股本结构

单位:万股
公告日期 2025-10-24 2025-10-24 2025-07-25 2025-07-25 2025-04-25 2025-04-25
证券总股本 7045.55 7067.10 7241.27 7241.00 7291.86 7291.90
普通股本 7045.55 7067.10 7241.27 7241.00 7291.86 7291.90
优先股 未披露 未披露 未披露 未披露 未披露 未披露
其他 未披露 未披露 未披露 未披露 未披露 未披露
变动日期 2025-10-22 2025-09-30 2025-07-23 2025-06-30 2025-04-23 2025-03-31
注释:中概股证券总股本=普通股股本/ 存托凭证比例

历史变动

公告日期 变动后普通股本(万股) 变动后优先股(万股) 变动原因 变动日期
2025-10-24 7045.55 未披露 定期报告 2025-10-22
2025-10-24 7067.10 未披露
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From June 30, 2025 to September 30, 2025 Shares issued in connection with equity incentive plans, net of taxes
2025-09-30
2025-07-25 7241.27 未披露 定期报告 2025-07-23
2025-07-25 7241.00 未披露
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From March 31, 2025 to June 30, 2025 Shares issued in connection with equity incentive plans, net of taxes Shares issued for Deferred Compensation Plan, net Purchases of treasury stock
2025-06-30
2025-04-25 7291.86 未披露 定期报告 2025-04-23
2025-04-25 7291.90 未披露
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From January 1, 2025 to March 31, 2025 Shares issued in connection with equity incentive plans, net of taxes
2025-03-31
2025-02-14 7348.77 未披露 定期报告 2025-02-12
2025-02-14 7320.30 未披露
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From December 31, 2023 to December 31, 2024 Shares issued in connection with equity incentive plans, net of taxes Purchases of treasury stock Shares issued for Deferred Compensation Plan, net Shares issued for Employee Stock Purchase Plan
2024-12-31
2024-10-25 7329.11 未披露 定期报告 2024-10-23
2024-10-25 7329.10 未披露
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From June 30, 2024 to September 30, 2024 Purchases of treasury stock Shares issued for Deferred Compensation Plan, net
2024-09-30
2024-07-26 7338.32 未披露 定期报告 2024-07-24
2024-07-26 7338.30 未披露
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From March 31, 2024 to June 30, 2024 Purchases of treasury stock Shares issued for Deferred Compensation Plan, net
2024-06-30
2024-04-26 7364.65 未披露 定期报告 2024-04-24
2024-04-26 7364.50 未披露 定期报告 2024-04-01
2024-04-26 7364.60 未披露
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From December 31, 2023 to March 31, 2024 Shares issued in connection with equity incentive plans, net of taxes Shares issued for Deferred Compensation Plan, net Shares issued for Employee Stock Purchase Plan
2024-03-31
2024-02-16 7358.31 未披露 定期报告 2024-02-14
2024-02-16 7334.10 未披露
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From December 31, 2022 to December 31, 2023 Treasury shares issued for Deferred Compensation Plan funding, net Exercise of stock options and other share-based compensation, net of shares tendered for payment Purchases of treasury stock Shares issued pursuant to Employee Stock Plan
2023-12-31
2023-10-27 7384.90 未披露
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From June 30, 2023 to September 30, 2023 Purchases of treasury stock Treasury shares issued for Deferred Compensation Plan, net
2023-09-30
2023-04-28 7419.50 未披露 定期报告 2023-04-26
2023-04-28 7419.40 未披露
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From December 31, 2022 to March 29, 2023 Other share-based compensation, net Purchases of treasury stock Treasury shares issued for Deferred Compensation Plan, net Shares issued pursuant to Employee Stock Plan
2023-03-29
2023-02-17 7439.04 未披露 定期报告 2023-02-15
2022-10-21 7408.80 未披露
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From June 30, 2022 to September 30, 2022 Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
2022-09-30
2022-07-22 7405.40 未披露
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From March 31, 2022 to June 30, 2022 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
2022-06-30
2022-04-22 7403.60 未披露
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From December 31, 2021 to March 30, 2022 Exercise of stock options and other share-based compensation, net of shares tendered for payment
2022-03-30
2022-02-18 7399.90 未披露 定期报告 2022-02-16
2022-02-18 7376.90 未披露
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From December 31, 2020 to December 31, 2021 Exercise of stock options and other share-based compensation, net of shares tendered for payment Purchases of treasury stock Treasury shares issued for Deferred Compensation Plan funding Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2021-12-31
2021-10-22 7453.90 未披露 定期报告 2021-10-20
2021-10-22 7456.50 未披露
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From June 30, 2021 to September 30, 2021 Exercise of stock options and other share-based compensation, net of shares tendered for payment
2021-09-30
2021-07-23 7465.80 未披露 定期报告 2021-07-21
2021-07-23 7467.00 未披露
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From March 31, 2021 to June 30, 2021 Exercise of stock options and other share-based compensation, net of shares tendered for payment
2021-06-30
2021-04-23 7471.70 未披露 定期报告 2021-04-21
2021-04-23 7472.10 未披露
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from December 31, 2020 to March 31, 2021 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2021-03-31
2021-02-25 7471.70 未披露 定期报告 2021-02-24
2021-02-25 7448.50 未披露
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From January 1, 2020 to December 31,2020 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2020-12-31
2020-10-23 7442.40 未披露 定期报告 2020-10-22
2020-10-23 7442.30 未披露
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From June 30,2020 to July 23,2020 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
2020-07-23
2020-07-24 7442.10 未披露
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From March 31, 2020 to June 30, 2020 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
2020-06-30
2020-04-24 7441.47 未披露 定期报告 2020-04-01
2020-04-24 7441.60 未披露
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From January 1, 2020 to March 31, 2020 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2020-03-31
2020-02-21 7440.40 未披露 定期报告 2020-02-19
2020-02-21 7414.90 未披露
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From December 31, 2018 To December 31, 2019 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2019-12-31
2019-10-25 7411.90 未披露 定期报告 2019-10-23
2019-10-25 7411.70 未披露
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from June 30, 2019 to September 30, 2019 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
2019-09-30
2019-07-26 7411.40 未披露 定期报告 2019-07-24
2019-07-26 7411.20 未披露
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from March 31, 2019 to June 30,2019 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
2019-06-30
2019-05-03 7407.40 未披露 定期报告 2019-05-01
2019-05-03 7405.80 未披露
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From December 31, 2018 To March 31, 2019 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2019-03-31
2019-03-18 7403.60 未披露 定期报告 2019-03-14
2019-03-18 7387.70 未披露
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From December 31, 2017 To December 31, 2018 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2018-12-31
2018-10-19 7379.80 未披露 定期报告 2018-10-17
2018-10-19 7378.80 未披露
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From December 31, 2017 To September 30, 2018 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2018-09-30
2018-07-27 7374.00 未披露 定期报告 2018-07-25
2018-07-27 7373.30 未披露
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From December 31, 2017 To June 30, 2018 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2018-06-30
2018-04-27 7371.20 未披露 定期报告 2018-04-25
2018-04-26 7373.90 未披露 定期报告 2018-04-02
2018-04-27 7370.10 未披露
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From December 31, 2017 To March 31, 2018 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
2018-03-31
2018-02-23 7367.90 未披露 定期报告 2018-02-21
2018-02-23 7343.60 未披露
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From December 31, 2016 To December 31, 2017 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plans
2017-12-31
2017-10-27 7327.30 未披露 定期报告 2017-10-26
2017-10-27 7326.50 未披露
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From December 31, 2016 to September 30, 2017 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plans
2017-09-30
2017-07-28 7318.50 未披露 定期报告 2017-07-26
2017-07-28 7307.60 未披露
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From December 31, 2016 to June 30, 2017 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plans
2017-06-30
2017-04-28 7298.90 未披露 定期报告 2017-04-26
2017-04-17 7299.70 未披露 定期报告 2017-04-03
2017-04-28 7288.20 未披露
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from December 31, 2016 to March 31, 2017 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plans
2017-03-31
2017-02-24 7281.20 未披露 定期报告 2017-02-21
2017-02-24 7260.10 未披露
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From December 31, 2015 to December 31, 2016 Exercise of stock options and other stock-based compensation, net of shares tendered Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to previous settlement
2016-12-31
2016-10-28 7258.70 未披露 定期报告 2016-10-26
2016-10-28 7251.00 未披露
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From December 31, 2015 to September 30, 2016 Exercise of stock options and other stock-based compensation, net of shares tendered Shares issued pursuant to settlement Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
2016-09-30
2016-07-22 7246.10 未披露 定期报告 2016-07-20
2016-07-22 7245.30 未披露
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From December 31, 2015 to June 30, 2016 Exercise of stock options and other stock-based compensation, net of shares tendered Shares issued pursuant to settlement Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
2016-06-30
2016-04-22 7236.30 未披露 定期报告 2016-04-20
2016-04-22 7233.80 未披露
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From December 31, 2015 to March 31, 2016 Exercise of stock options and other stock-based compensation, net of shares tendered Shares issued pursuant to settlement Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to Employee Stock Purchase Plan Treasury shares issued for Deferred Compensation Plan funding and redemptions
2016-03-31
2016-02-19 7217.70 未披露 定期报告 2016-02-16
2016-02-19 7203.40 未披露
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from December 31, 2014 to December 31, 2015 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to previous acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan
2015-12-31
2015-10-23 7196.70 未披露 定期报告 2015-10-21
2015-10-23 7193.40 未披露
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from December 31, 2014 to September 30, 2015 Exercise of stock options, net of shares tendered for payment Shares issued pursuant to prior year acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
2015-09-30
2015-07-22 7190.00 未披露 定期报告 2015-07-20
2015-07-22 7153.20 未披露
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from December 31, 2014 to June 30, 2015 Exercise of stock options, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to prior year acquisition
2015-06-30
2015-04-23 7148.50 未披露 定期报告 2015-04-20
2015-04-23 7145.90 未披露
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from December 31, 2014 to March 31, 2015 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to prior year acquisition
2015-03-31
2015-02-19 7126.10 未披露 定期报告 2015-02-17
2015-02-19 7105.70 未披露
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from December 31, 2013 to December 31, 2014 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to prior year acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to Employee Stock Plans
2014-12-31
2014-10-30 7067.10 未披露 定期报告 2014-10-29
2014-10-30 7065.60 未披露
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from December 31, 2013 to September 30, 2014 Exercise of stock options, net of shares tendered for payment Shares issued pursuant to prior year acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
2014-09-30
2014-07-24 7033.00 未披露 定期报告 2014-07-22
2014-07-24 7030.90 未披露
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from December 31, 2013 to June 30, 2014 Exercise of stock options, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
2014-06-30
2014-04-24 7026.80 未披露 定期报告 2014-04-22
2014-04-14 7024.20 未披露 定期报告 2014-04-04
2014-04-24 7022.10 未披露
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from December 31, 2013 to March 31, 2014 Exercise of stock options, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
2014-03-31
2014-02-21 7011.00 未披露 定期报告 2014-02-19
2014-02-21 6997.60 未披露
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from December 31, 2012 to December 31, 2013 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan
2013-12-31
2013-10-24 6980.50 未披露 定期报告 2013-10-22
2013-10-24 6979.00 未披露
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from December 31, 2012 to September 30, 2013 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Shares issued pursuant to Dividend Reinvestment Plan Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans
2013-09-30
2013-07-25 6978.50 未披露 定期报告 2013-07-22
2013-07-25 6850.80 未披露
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From December 31, 2012 to June 30, 2013 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan
2013-06-30
2013-04-26 6842.40 未披露 定期报告 2013-04-24
2013-04-16 6841.70 未披露 定期报告 2013-04-05
2013-04-26 6841.10 未披露
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from December 31, 2012 to March 31, 2013 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan
2013-03-31
2013-02-21 6825.30 未披露 定期报告 2013-02-19
2013-02-21 6805.30 未披露
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from December 31, 2011 to December 31, 2012 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to prior year acquisitions
2012-12-31
2012-10-22 6773.40 未披露 定期报告 2012-10-17
2012-10-22 6770.10 未披露
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from December 31, 2011 to September 30, 2012 Exercise of stock options and other share-based compensation, net of 13,000 shares tendered for payment Shares issued pursuant to Employee Stock Plans Treasury shares issued for Deferred Compensation Plan funding and redemptions (10,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (4,000 shares) Shares issued pursuant to acquisition (396,000 shares)
2012-09-30
2012-07-27 6725.20 未披露 定期报告 2012-07-25
2012-07-27 6719.30 未披露
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from December 31, 2011 to June 30, 2012 Exercise of stock options and other share- based compensation, net of 13,000 shares tendered for payment Shares issued pursuant to Employee Stock Plans Treasury shares issued for Deferred Compensation Plan funding and redemptions (10,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (1,000 shares)
2012-06-30
2012-04-27 6715.00 未披露 定期报告 2012-04-24
2012-04-27 6705.40 未披露
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from December 31, 2011 to March 31, 2012 Exercise of stock options and other share-based compensation Shares issued pursuant to Employee Stock Plans
2012-03-31
2012-02-23 6687.20 未披露 定期报告 2012-02-22
2012-02-23 6678.90 未披露
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from December 31, 2010 to December 31, 2011 Exercise of stock options and other stock-based compensation, net of 7,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (5,000 shares) Shares issued pursuant to Employee Stock Plans (76,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (8,000 shares) Shares issue pursuant to acquisition (27,000 shares)
2011-12-31
2011-10-21 6675.80 未披露 定期报告 2011-10-20
2011-10-21 6675.30 未披露
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from dec 31 2010 to sep 30 2011 Exercise of stock options and other share-based compensation, net of 7,000 shares tendered for payment
2011-09-30
2011-07-22 6643.00 未披露 定期报告 2011-07-21
2011-07-22 6642.50 未披露
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from December 31 2010 to June 30 2011 Exercise of stock options and other share-based compensation, net of 7,000 shares tendered for payment Shares issued pursuant to Dividend Reinvestment Plan (4,000 shares) Treasury shares issued for Deferred Compensation Plan funding and redemptions (5,000 shares) Shares issued pursuant to Employee Stock Plans (76,000 shares)
2011-06-30
2011-04-25 6637.50 未披露 定期报告 2011-04-22
2011-04-25 6636.60 未披露
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Exercise of stock options and other share-based compensation, net of 7,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (3,000 shares) Shares issued pursuant to Employee Stock Plans (76,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (2,000 shares)
2011-03-31
2011-02-18 6621.40 未披露 定期报告 2011-02-16
2011-02-18 6617.60 未披露
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Exercise of stock options and other stock-based compensation, net of 14,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (15,000 shares) Shares issued pursuant to Employee Stock Plans (73,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (8,000 shares)
2010-12-31
2010-10-13 6590.40 未披露
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3 for 2 split of it's common stock
2010-11-15
2010-10-22 4393.60 未披露 定期报告 2010-10-22
2010-10-22 4392.60 未披露
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Exercise of stock options and other stock- based compensation, net of 9,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (6,000 shares) Shares issued pursuant to Employee Stock Plans (49,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (4,000 shares)
2010-09-30
2010-07-23 4382.30 未披露 定期报告 2010-07-23
2010-07-23 4381.80 未披露
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Exercise of stock options and other stock-based compensation, net of 6,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (6,000 shares) Shares issued pursuant to Employee Stock Plans (49,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (3,000 shares)
2010-06-30
2010-04-19 4377.70 未披露 定期报告 2010-04-16
2010-04-19 4377.20 未披露
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Exercise of stock options and other stock-based compensation, net of 2,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (6,000 shares) Shares issued pursuant to Employee Stock Plans (49,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (1,000 shares)
2010-03-31
2010-02-16 4060.00 未披露 定期报告 2010-02-15
2010-02-16 4358.10 未披露
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from December 31,2008 to December 31,2009 Exercise of stock options and other stock-based compensation, net of 9,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (3,000 shares) Shares issued pursuant to Employee Stock Plans (49,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (5,000 shares) Shares issued pursuant to acquisition (66,000 shares)
2009-12-31
2009-02-20 3960.00 未披露 定期报告 2009-02-16
2009-02-20 4322.80 未披露
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from December 31,2007 to December 31,2008 Exercise of stock options and other stock-based compensation, net of 7,000 shares tendered for payment Purchase of common stock for treasury (296,000 shares) Treasury shares issued for Deferred Compensation Plan funding and redemptions (35,000 shares) Shares issued pursuant to Employee Stock Plans (61,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (4,000 shares)
2008-12-31
2008-02-19 4292.20 未披露 定期报告 2008-02-15
2008-02-19 4259.60 未披露
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from December 31,2006 to December 31,2007 Exercise of stock options and other stock-based compensation, net of 23,000 shares tendered for payment Shares purchased and shares sold in employee Deferred Compensation Plan and other benefit plans (89,000 shares) Shares issued pursuant to Employee Stock Plans (65,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (3,000 shares) On July 17, 2007 our Board of Directors declared a three-for-two stock split in the form of a 50% common stock dividend which was paid on August 10, 2007 to shareholders of record at the close of business on August 3, 2007.
2007-12-31
2007-02-23 2762.10 未披露 定期报告 2007-02-20
2007-02-23 2748.20 未披露
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from December 31,2005 to December 31,2006 Exercise of stock options and other stock-based compensation, net of 4,000 shares tendered for payment Tax benefit arising from stock option transactions Shares issued pursuant to acquisition (369,000 shares) Acquisition of treasury stock (335,000 shares) Shares purchased and shares sold in employee Deferred Compensation Plan and other benefit plans (1,000 shares) Shares issued pursuant to Employee Stock Plans (64,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (2,000 shares)
2006-12-31
2006-02-22 2491.20 未披露 定期报告 2006-02-14
2006-02-22 2706.10 未披露
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from December 31,2004 to December 31,2005 Exercise of stock options and other stock-based compensation, net of 14,000 shares tendered for payment Purchase of treasury stock (218,000 shares) Shares Issued pursuant to Employee Stock Plans(90,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (2,000 shares) On April 19, 2005, our Board of Directors approved a three-for-two stock split in the form of a 50% common stock dividend which was paid on May 2, 2005 to shareholders of record on April 29, 2005.
2005-12-31
2005-03-11 1764.80 未披露 定期报告 2005-03-09
2005-03-11 1751.49 未披露
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from December 31,2003 to December 31,2004 Exercise of stock options Purchase of common stock for treasury (386,000 shares) Shares issued pursuant to dividend reinvestment plan (528 shares) Issued pursuant to Employee Stock Plans(48,000 shares) On February 12, 2004, our Board of Directors approved a three-for-two stock split in the form of a 50% common stock dividend which was paid on March 1, 2004 to shareholders of record on February 23, 2004.
2004-12-31
2004-02-27 1161.62 未披露 定期报告 2004-02-25
2004-02-27 1152.43 未披露
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from December 31,2002 to December 31,2003 Exercise of stock options Purchase of common stock for treasury (14,400 shares) Shares issued pursuant to dividend reinvestment plan (89 shares) Issued pursuant to Employee Stock Plans(24,536 shares)
2003-12-31
2003-03-12 1118.60 未披露 定期报告 2003-03-07
2003-03-12 1116.75 未披露
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from December 31,2001 to December 31,2002 Exercise of stock options Purchase of common stock for treasury (182,550 shares) Issued pursuant to Employee Stock Purchase Plan
2002-12-31
2002-03-21 1115.99 未披露 定期报告 2002-03-15
2002-03-21 1107.52 未披露
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from December 31,2000 to December 31,2001 Exercise of stock options Issued pursuant to Employee Stock Purchase Plan Purchase of common stock for treasury (135,000 shares)
2001-12-31
2001-03-21 1089.91 未披露 定期报告 2001-03-12
2001-03-21 1093.91 未披露
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from December 31,1999 to December 31,2000 Exercise of stock options Purchase of common stock for treasury (127,500 shares)
2000-12-31
2000-03-20 1101.16 未披露 定期报告 2000-03-07
2000-03-20 1106.41 未披露
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from December 31, 1998 to December 31, 1999 Exercise of stock options
1999-12-31
1999-03-30 1105.80 未披露 定期报告 1999-03-19
1999-03-30 1103.42 未披露
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from December 31, 1997 to December 31, 1998 Exercise of stock options On August 5, 1998, the Board of Directors declared a three-for-two stock split of the Company's Common Stock effected in the form of a 50% stock dividend payable on August 27, 1998 to Common Stock stockholders of record on August 17, 1998.
1998-12-31
1998-03-19 744.85 未披露 定期报告 1998-03-13
1998-03-19 738.69 未披露
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from December 31, 1996 to December 31, 1997 Exercise of stock options
1997-12-31
1997-03-26 809.62 未披露 定期报告 1997-03-07
1997-03-26 809.07 未披露
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from December 31, 1995 to December 31, 1996 Exercise of stock options Tax benefit arising from stock transactions
1996-12-31
1996-03-29 814.36 未披露 定期报告 1996-03-22
1996-03-29 814.31 未披露
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from December 31, 1994 to December 31, 1995 Exercise of stock options Shares issued in connection with class action settlement
1995-12-31
1996-03-29 793.59 未披露
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from December 31, 1993 to December 31, 1994 Exercise of stock options
1994-12-31
From June 30, 2025 to September 30, 2025 Shares issued in connection with equity incentive plans, net of taxes
From March 31, 2025 to June 30, 2025 Shares issued in connection with equity incentive plans, net of taxes Shares issued for Deferred Compensation Plan, net Purchases of treasury stock
From January 1, 2025 to March 31, 2025 Shares issued in connection with equity incentive plans, net of taxes
From December 31, 2023 to December 31, 2024 Shares issued in connection with equity incentive plans, net of taxes Purchases of treasury stock Shares issued for Deferred Compensation Plan, net Shares issued for Employee Stock Purchase Plan
From June 30, 2024 to September 30, 2024 Purchases of treasury stock Shares issued for Deferred Compensation Plan, net
From March 31, 2024 to June 30, 2024 Purchases of treasury stock Shares issued for Deferred Compensation Plan, net
From December 31, 2023 to March 31, 2024 Shares issued in connection with equity incentive plans, net of taxes Shares issued for Deferred Compensation Plan, net Shares issued for Employee Stock Purchase Plan
From December 31, 2022 to December 31, 2023 Treasury shares issued for Deferred Compensation Plan funding, net Exercise of stock options and other share-based compensation, net of shares tendered for payment Purchases of treasury stock Shares issued pursuant to Employee Stock Plan
From June 30, 2023 to September 30, 2023 Purchases of treasury stock Treasury shares issued for Deferred Compensation Plan, net
From December 31, 2022 to March 29, 2023 Other share-based compensation, net Purchases of treasury stock Treasury shares issued for Deferred Compensation Plan, net Shares issued pursuant to Employee Stock Plan
From June 30, 2022 to September 30, 2022 Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
From March 31, 2022 to June 30, 2022 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2021 to March 30, 2022 Exercise of stock options and other share-based compensation, net of shares tendered for payment
From December 31, 2020 to December 31, 2021 Exercise of stock options and other share-based compensation, net of shares tendered for payment Purchases of treasury stock Treasury shares issued for Deferred Compensation Plan funding Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From June 30, 2021 to September 30, 2021 Exercise of stock options and other share-based compensation, net of shares tendered for payment
From March 31, 2021 to June 30, 2021 Exercise of stock options and other share-based compensation, net of shares tendered for payment
from December 31, 2020 to March 31, 2021 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From January 1, 2020 to December 31,2020 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From June 30,2020 to July 23,2020 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
From March 31, 2020 to June 30, 2020 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
From January 1, 2020 to March 31, 2020 Exercise of stock options and other share-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2018 To December 31, 2019 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
from June 30, 2019 to September 30, 2019 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
from March 31, 2019 to June 30,2019 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2018 To March 31, 2019 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2017 To December 31, 2018 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2017 To September 30, 2018 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2017 To June 30, 2018 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2017 To March 31, 2018 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2016 To December 31, 2017 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plans
From December 31, 2016 to September 30, 2017 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plans
From December 31, 2016 to June 30, 2017 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plans
from December 31, 2016 to March 31, 2017 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plan Shares issued pursuant to Dividend Reinvestment Plans
From December 31, 2015 to December 31, 2016 Exercise of stock options and other stock-based compensation, net of shares tendered Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to previous settlement
From December 31, 2015 to September 30, 2016 Exercise of stock options and other stock-based compensation, net of shares tendered Shares issued pursuant to settlement Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2015 to June 30, 2016 Exercise of stock options and other stock-based compensation, net of shares tendered Shares issued pursuant to settlement Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
From December 31, 2015 to March 31, 2016 Exercise of stock options and other stock-based compensation, net of shares tendered Shares issued pursuant to settlement Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to Employee Stock Purchase Plan Treasury shares issued for Deferred Compensation Plan funding and redemptions
from December 31, 2014 to December 31, 2015 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to previous acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan
from December 31, 2014 to September 30, 2015 Exercise of stock options, net of shares tendered for payment Shares issued pursuant to prior year acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
from December 31, 2014 to June 30, 2015 Exercise of stock options, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to prior year acquisition
from December 31, 2014 to March 31, 2015 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to prior year acquisition
from December 31, 2013 to December 31, 2014 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to prior year acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to Employee Stock Plans
from December 31, 2013 to September 30, 2014 Exercise of stock options, net of shares tendered for payment Shares issued pursuant to prior year acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
from December 31, 2013 to June 30, 2014 Exercise of stock options, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
from December 31, 2013 to March 31, 2014 Exercise of stock options, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Purchase Plan Shares issued pursuant to Dividend Reinvestment Plan
from December 31, 2012 to December 31, 2013 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan
from December 31, 2012 to September 30, 2013 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Shares issued pursuant to acquisition Shares issued pursuant to Dividend Reinvestment Plan Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans
From December 31, 2012 to June 30, 2013 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan
from December 31, 2012 to March 31, 2013 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan
from December 31, 2011 to December 31, 2012 Exercise of stock options and other stock-based compensation, net of shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions Shares issued pursuant to Employee Stock Plans Shares issued pursuant to Dividend Reinvestment Plan Shares issued pursuant to prior year acquisitions
from December 31, 2011 to September 30, 2012 Exercise of stock options and other share-based compensation, net of 13,000 shares tendered for payment Shares issued pursuant to Employee Stock Plans Treasury shares issued for Deferred Compensation Plan funding and redemptions (10,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (4,000 shares) Shares issued pursuant to acquisition (396,000 shares)
from December 31, 2011 to June 30, 2012 Exercise of stock options and other share- based compensation, net of 13,000 shares tendered for payment Shares issued pursuant to Employee Stock Plans Treasury shares issued for Deferred Compensation Plan funding and redemptions (10,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (1,000 shares)
from December 31, 2011 to March 31, 2012 Exercise of stock options and other share-based compensation Shares issued pursuant to Employee Stock Plans
from December 31, 2010 to December 31, 2011 Exercise of stock options and other stock-based compensation, net of 7,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (5,000 shares) Shares issued pursuant to Employee Stock Plans (76,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (8,000 shares) Shares issue pursuant to acquisition (27,000 shares)
from dec 31 2010 to sep 30 2011 Exercise of stock options and other share-based compensation, net of 7,000 shares tendered for payment
from December 31 2010 to June 30 2011 Exercise of stock options and other share-based compensation, net of 7,000 shares tendered for payment Shares issued pursuant to Dividend Reinvestment Plan (4,000 shares) Treasury shares issued for Deferred Compensation Plan funding and redemptions (5,000 shares) Shares issued pursuant to Employee Stock Plans (76,000 shares)
Exercise of stock options and other share-based compensation, net of 7,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (3,000 shares) Shares issued pursuant to Employee Stock Plans (76,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (2,000 shares)
Exercise of stock options and other stock-based compensation, net of 14,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (15,000 shares) Shares issued pursuant to Employee Stock Plans (73,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (8,000 shares)
3 for 2 split of it's common stock
Exercise of stock options and other stock- based compensation, net of 9,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (6,000 shares) Shares issued pursuant to Employee Stock Plans (49,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (4,000 shares)
Exercise of stock options and other stock-based compensation, net of 6,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (6,000 shares) Shares issued pursuant to Employee Stock Plans (49,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (3,000 shares)
Exercise of stock options and other stock-based compensation, net of 2,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (6,000 shares) Shares issued pursuant to Employee Stock Plans (49,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (1,000 shares)
from December 31,2008 to December 31,2009 Exercise of stock options and other stock-based compensation, net of 9,000 shares tendered for payment Treasury shares issued for Deferred Compensation Plan funding and redemptions (3,000 shares) Shares issued pursuant to Employee Stock Plans (49,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (5,000 shares) Shares issued pursuant to acquisition (66,000 shares)
from December 31,2007 to December 31,2008 Exercise of stock options and other stock-based compensation, net of 7,000 shares tendered for payment Purchase of common stock for treasury (296,000 shares) Treasury shares issued for Deferred Compensation Plan funding and redemptions (35,000 shares) Shares issued pursuant to Employee Stock Plans (61,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (4,000 shares)
from December 31,2006 to December 31,2007 Exercise of stock options and other stock-based compensation, net of 23,000 shares tendered for payment Shares purchased and shares sold in employee Deferred Compensation Plan and other benefit plans (89,000 shares) Shares issued pursuant to Employee Stock Plans (65,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (3,000 shares) On July 17, 2007 our Board of Directors declared a three-for-two stock split in the form of a 50% common stock dividend which was paid on August 10, 2007 to shareholders of record at the close of business on August 3, 2007.
from December 31,2005 to December 31,2006 Exercise of stock options and other stock-based compensation, net of 4,000 shares tendered for payment Tax benefit arising from stock option transactions Shares issued pursuant to acquisition (369,000 shares) Acquisition of treasury stock (335,000 shares) Shares purchased and shares sold in employee Deferred Compensation Plan and other benefit plans (1,000 shares) Shares issued pursuant to Employee Stock Plans (64,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (2,000 shares)
from December 31,2004 to December 31,2005 Exercise of stock options and other stock-based compensation, net of 14,000 shares tendered for payment Purchase of treasury stock (218,000 shares) Shares Issued pursuant to Employee Stock Plans(90,000 shares) Shares issued pursuant to Dividend Reinvestment Plan (2,000 shares) On April 19, 2005, our Board of Directors approved a three-for-two stock split in the form of a 50% common stock dividend which was paid on May 2, 2005 to shareholders of record on April 29, 2005.
from December 31,2003 to December 31,2004 Exercise of stock options Purchase of common stock for treasury (386,000 shares) Shares issued pursuant to dividend reinvestment plan (528 shares) Issued pursuant to Employee Stock Plans(48,000 shares) On February 12, 2004, our Board of Directors approved a three-for-two stock split in the form of a 50% common stock dividend which was paid on March 1, 2004 to shareholders of record on February 23, 2004.
from December 31,2002 to December 31,2003 Exercise of stock options Purchase of common stock for treasury (14,400 shares) Shares issued pursuant to dividend reinvestment plan (89 shares) Issued pursuant to Employee Stock Plans(24,536 shares)
from December 31,2001 to December 31,2002 Exercise of stock options Purchase of common stock for treasury (182,550 shares) Issued pursuant to Employee Stock Purchase Plan
from December 31,2000 to December 31,2001 Exercise of stock options Issued pursuant to Employee Stock Purchase Plan Purchase of common stock for treasury (135,000 shares)
from December 31,1999 to December 31,2000 Exercise of stock options Purchase of common stock for treasury (127,500 shares)
from December 31, 1998 to December 31, 1999 Exercise of stock options
from December 31, 1997 to December 31, 1998 Exercise of stock options On August 5, 1998, the Board of Directors declared a three-for-two stock split of the Company's Common Stock effected in the form of a 50% stock dividend payable on August 27, 1998 to Common Stock stockholders of record on August 17, 1998.
from December 31, 1996 to December 31, 1997 Exercise of stock options
from December 31, 1995 to December 31, 1996 Exercise of stock options Tax benefit arising from stock transactions
from December 31, 1994 to December 31, 1995 Exercise of stock options Shares issued in connection with class action settlement
from December 31, 1993 to December 31, 1994 Exercise of stock options