股本结构

单位:万股
公告日期 2025-11-06 2025-11-06 2025-08-07 2025-08-07 2025-05-09 2025-02-28
证券总股本 2966.81 2965.20 2964.12 2989.70 3052.53 3043.43
普通股本 2966.81 2965.20 2964.12 2989.70 3052.53 3043.43
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 2025-11-03 2025-09-30 2025-08-04 2025-06-30 2025-03-31 2025-02-21
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
2025-11-06 2966.81 未披露 定期报告 2025-11-03
2025-11-06 2965.20 未披露
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From June 30, 2025 to September 30, 2025 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchases of common stock
2025-09-30
2025-08-07 2964.12 未披露 定期报告 2025-08-04
2025-08-07 2989.70 未披露
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From March 31, 2025 to June 30, 2025 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchases of common stock
2025-06-30
2025-05-09 3052.53 未披露
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From December 31, 2024 to March 31, 2025 Common stock issued under stock plans, net of shares withheld for employee taxes
2025-03-31
2025-02-28 3043.43 未披露 定期报告 2025-02-21
2025-02-28 3043.20 未披露
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From December 31, 2023 to December 31, 2024 Common stock issued under stock plans,net of shares withheld for employee taxes
2024-12-31
2024-10-24 3041.49 未披露 定期报告 2024-10-21
2024-10-24 3041.50 未披露
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From June 30, 2024 to September 30, 2024 Common stock issued under stock plans, net of shares withheld for employee taxes
2024-09-30
2024-07-25 3040.81 未披露 定期报告 2024-07-22
2024-07-25 3040.80 未披露
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From March 31, 2024 to June 30, 2024 Common stock issued under stock plans, net of shares withheld for employee taxes
2024-06-30
2024-04-11 3039.79 未披露 定期报告 2024-04-01
2024-04-11 3039.77 未披露 定期报告 2024-03-31
2024-02-26 3030.04 未披露 定期报告 2024-02-19
2024-02-26 3029.80 未披露
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From December 31, 2022 to December 31, 2023 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
2023-12-31
2023-10-26 3028.53 未披露 定期报告 2023-10-23
2023-10-26 3059.00 未披露
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From June 30,2023 to September 30,2023 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
2023-09-30
2023-07-27 3068.66 未披露 定期报告 2023-07-24
2023-04-27 3068.25 未披露 定期报告 2023-04-24
2023-04-27 3068.20 未披露
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From December 31, 2022 to March 31, 2023 Common stock issued under stock plans, net of shares withheld for employee taxes
2023-03-31
2023-04-10 3067.50 未披露 定期报告 2023-03-29
2023-02-28 3058.22 未披露 定期报告 2023-02-20
2023-02-28 3057.90 未披露
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From December 31, 2021 to December 31, 2022 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
2022-12-31
2022-10-27 3057.31 未披露 定期报告 2022-10-24
2022-10-27 3057.30 未披露
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From June 30, 2022 to September 30, 2022 Common stock issued under stock plans, net of shares withheld for employee taxes
2022-09-30
2022-07-28 3056.98 未披露 定期报告 2022-07-25
2022-07-28 3057.00 未披露
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From March 31, 2022 to June 30, 2022 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock Stock-based compensation
2022-06-30
2022-04-28 3039.16 未披露 定期报告 2022-04-25
2022-04-28 3051.83 未披露
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From December 31, 2021 to March 31, 2022 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
2022-03-31
2022-03-29 3055.68 未披露 定期报告 2022-03-29
2022-04-14 3058.24 未披露 定期报告 2022-03-28
2022-02-28 3093.70 未披露 定期报告 2022-02-21
2022-02-28 3132.70 未披露
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From December 31, 2020 to December 31, 2021 Stock donated to Company (held in treasury) Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
2021-12-31
2021-10-28 3156.22 未披露 定期报告 2021-10-25
2021-10-28 3156.20 未披露
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From June 30, 2021 to September 30, 2021 Common stock issued under stock plans, net of shares withheld for employee taxes Stock based compensation
2021-09-30
2021-07-29 3155.42 未披露 定期报告 2021-07-26
2021-07-29 3155.40 未披露
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From March 31, 2021 to June 30, 2021 Common stock issued under stock plans, net of shares withheld for employee taxes
2021-06-30
2021-04-29 3155.26 未披露
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From December 31, 2020 To March 31, 2021 Common stock issued under stock plans, net of shares withheld for employee taxes
2021-03-31
2021-04-06 3154.89 未披露 定期报告 2021-03-29
2021-02-26 3149.37 未披露 定期报告 2021-02-22
2021-02-26 3149.30 未披露
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From December 31, 2019 to December 31, 2020 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
2020-12-31
2020-10-29 3167.79 未披露 定期报告 2020-10-23
2020-10-29 3168.60 未披露
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From June 30, 2020 to September 30, 2020 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
2020-09-30
2020-07-31 3199.75 未披露 定期报告 2020-07-24
2020-07-31 3199.70 未披露
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From March 31, 2020 to June 30, 2020 Common stock issued under stock plans,net of shares withheld for employee taxes
2020-06-30
2020-04-30 3199.75 未披露 定期报告 2020-04-28
2020-04-30 3200.33 未披露
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From December 31, 2019 to March 31, 2020 Common stock issued under stock plans,net of shares withheld for employee taxes Repurchase of common stock
2020-03-31
2020-04-09 3202.70 未披露 定期报告 2020-03-27
2020-02-26 3237.97 未披露 定期报告 2020-02-24
2020-02-26 3237.90 未披露
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from December 31, 2018 to December 31, 2019 Stock donated to Company (held in treasury) Common stock issued under stock plans, net of shares withheld for employee taxes
2019-12-31
2019-10-28 3237.84 未披露 定期报告 2019-10-24
2019-10-28 3237.80 未披露
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from June 30,2019 to September 30, 2019 Common stock issued under stock plans,net of shares withheld for employee taxes
2019-09-30
2019-07-26 3237.35 未披露 定期报告 2019-07-24
2019-07-26 3237.40 未披露
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from March 31, 2019 to June 30,2019 Stock donated to Company (held in treasury) Common stock issued under stock plans,net of shares withheld for employee taxes
2019-06-30
2019-04-29 3238.83 未披露
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from December 31, 2018 to March 31, 2019 Common stock issued under stock plans,net of shares withheld for employee taxes
2019-03-31
2019-02-25 3232.94 未披露 定期报告 2019-02-21
2019-02-25 3232.50 未披露
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from December 31, 2017 to December 31, 2018 Common stock issued under stock plans, net of shares withheld for employee taxes
2018-12-31
2018-10-29 3232.54 未披露 定期报告 2018-10-26
2018-10-29 3232.50 未披露
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From December 31, 2017 to September 30, 2018 Common stock issued under stock plans, net of shares withheld for employee taxes
2018-09-30
2018-08-07 3232.28 未披露 定期报告 2018-08-03
2018-08-07 3231.70 未披露
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From December 31, 2017 to June 30, 2018 Common stock issued under stock plans, net of shares withheld for employee taxes
2018-06-30
2018-05-07 3230.26 未披露 定期报告 2018-05-03
2018-05-07 3230.20 未披露
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From December 31, 2017 to March 31, 2018 Common stock issued under stock plans, net of shares withheld for employee taxes
2018-03-31
2018-04-11 3229.95 未披露 定期报告 2018-03-29
2018-02-26 3204.01 未披露 定期报告 2018-02-22
2018-02-26 3190.80 未披露
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from December 31, 2016 to December 31, 2017 Common stock issued under stock plans, net of shares withheld for employee taxes
2017-12-31
2017-10-30 3189.63 未披露 定期报告 2017-10-26
2017-10-30 3189.60 未披露
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From December 31, 2016 To September 30, 2017 Common stock issued under stock plans, net of shares withheld for employee taxes
2017-09-30
2017-07-31 3188.68 未披露 定期报告 2017-07-27
2017-07-31 3188.70 未披露
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From December 31, 2016 to June 30, 2017 Common stock issued under stock plans, net of shares withheld for employee taxes
2017-06-30
2017-05-01 3188.22 未披露 定期报告 2017-04-28
2017-05-01 3183.98 未披露
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From December 31, 2016 to March 31, 2017 Common stock issued under stock plans, net of shares withheld for employee taxes
2017-03-31
2017-02-27 3177.71 未披露 定期报告 2017-02-24
2017-02-27 3174.80 未披露
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From December 31, 2015 to December 31, 2016 Stock based compensation
2016-12-31
2016-11-02 3173.97 未披露 定期报告 2016-11-02
2016-11-02 3173.90 未披露
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From December 31, 2015 to September 30, 2016 Common stock issued under stock plans, net of shares withheld for employee taxes
2016-09-30
2016-08-01 3173.90 未披露 定期报告 2016-07-27
2016-08-01 3173.90 未披露
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From December 31, 2015 to June 30, 2016 Common stock issued under stock plans, net of shares withheld for employee taxes
2016-06-30
2016-05-02 3172.94 未披露 定期报告 2016-04-29
2016-04-14 3172.40 未披露 定期报告 2016-04-01
2016-05-02 3172.40 未披露
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from December 31, 2015 to March 31, 2016 Common stock issued under stock plans, net of shares withheld for employee taxes
2016-03-31
2016-02-26 3165.19 未披露 定期报告 2016-02-23
2016-02-26 3164.70 未披露
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From December 31, 2014 to December 31, 2015 Issuance of common stock Stock donated to Company Common stock issued under stock plans, net of shares withheld for employee taxes
2015-12-31
2015-10-30 3164.59 未披露 定期报告 2015-10-26
2015-10-30 3164.60 未披露
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from December 31, 2014 to September 30, 2015 Issuance of common stock Stock donated to Company Common stock issued under stock plans, net of shares withheld for employee taxes
2015-09-30
2015-07-31 3163.99 未披露 定期报告 2015-07-27
2015-07-31 3164.00 未披露
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from December 31,2014 to June 30,2015 Issuance of common stock Stock donated to Company Common stock issued under stock plans, net of shares withheld for employee taxes
2015-06-30
2015-05-01 2778.44 未披露 定期报告 2015-04-27
2015-05-01 2778.17 未披露
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from December 31, 2014 to March 31, 2015 Common stock issued under stock plans, net of shares withheld for employee taxes
2015-03-31
2015-02-27 2768.34 未披露 定期报告 2015-02-24
2015-02-27 2767.70 未披露
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from December 31, 2013 to December 31, 2014 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
2014-12-31
2014-10-30 2763.44 未披露 定期报告 2014-10-27
2014-10-30 2763.40 未披露
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from December 31, 2013 to September 30, 2014 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
2014-09-30
2014-08-11 2757.07 未披露 定期报告 2014-08-05
2014-07-31 2757.05 未披露 定期报告 2014-07-28
2014-07-31 2757.00 未披露
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from December 31, 2013 to June 30, 2014 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
2014-06-30
2014-05-01 2756.46 未披露 定期报告 2014-04-28
2014-05-01 2756.50 未披露
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from December 31, 2013 to March 31, 2014 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
2014-03-31
2014-04-18 2755.45 未披露 定期报告 2014-03-21
2014-03-04 2742.01 未披露 定期报告 2014-02-28
2014-03-04 2732.70 未披露
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from December 31, 2012 to December 31, 2013 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
2013-12-31
2013-10-29 2725.66 未披露 定期报告 2013-10-23
2013-10-29 2724.20 未披露
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from December 31, 2012 to September 30, 2013 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
2013-09-30
2013-07-30 2681.90 未披露 定期报告 2013-07-25
2013-07-30 2680.50 未披露
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From December 31, 2012 to June 30, 2013 Common stock issued under stock plans, net of shares withheld for employee taxes
2013-06-30
2013-04-30 2662.40 未披露 定期报告 2013-04-25
2013-04-30 2655.50 未披露
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from December 31, 2012 to March 31, 2013 Common stock issued under stock plans, net of shares withheld for employee taxes
2013-03-31
2013-04-04 2652.75 未披露 定期报告 2013-03-21
2013-03-01 2637.30 未披露 定期报告 2013-02-26
2013-03-01 2623.30 未披露
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from December 31, 2011 to December 31, 2012 Issuance of common stock in acquisitions Exercise of stock options
2012-12-31
2012-10-30 2622.46 未披露 定期报告 2012-10-22
2012-10-30 2619.00 未披露
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from December 31, 2011 to September 30, 2012 Issuance of common stock in acquisition Exercise of stock options
2012-09-30
2012-07-30 2617.32 未披露 定期报告 2012-07-23
2012-07-30 2616.80 未披露
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from December 31, 2011 to June 30, 2012 Issuance of common stock in acquisition Exercise of stock options
2012-06-30
2012-04-30 2610.86 未披露 定期报告 2012-04-23
2012-04-30 2609.80 未披露
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from December 31, 2011 to March 31, 2012 Exercise of stock options
2012-03-31
2012-02-28 2600.56 未披露 定期报告 2012-02-21
2012-02-28 2589.60 未披露
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from December 31, 2010 to December 31, 2011 Exercise of stock options Issuance of common stock
2011-12-31
2011-10-31 2221.11 未披露 定期报告 2011-10-27
2011-10-31 2221.10 未披露
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from dec 31 2010 to sep 30 2011 Exercise of stock options
2011-09-30
2011-08-01 2211.87 未披露 定期报告 2011-07-28
2011-08-01 2206.17 未披露
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From Dec 31 2010 to Jun 30 2011 Exercise of stock options
2011-06-30
2011-03-23 2193.15 未披露 定期报告 2011-03-22
2011-03-23 2180.52 未披露
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Exercise of stock options Repurchase of common stock
2010-12-31
2010-11-08 2180.52 未披露 定期报告 2010-11-05
2010-11-08 2176.02 未披露
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Repurchase of common stock Exercise of stock options
2010-09-30
2010-08-09 2182.24 未披露
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Exercise of stock options
2010-06-30
2010-05-10 2179.22 未披露 定期报告 2010-05-07
2010-05-10 2174.39 未披露
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from December 31, 2009 to March 23, 2010 Exercise of stock options
2010-03-23
2010-03-26 2162.34 未披露
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From December 31, 2008 to December 31, 2009 Exercise of stock options
2009-12-31
2009-03-27 2138.21 未披露
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From December 31, 2007 to December 31, 2008 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan Repurchase of common stock
2008-12-31
2008-03-28 2233.15 未披露 定期报告 2008-03-25
2008-03-28 2231.55 未披露
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From December 31, 2006 to December 31, 2007 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan Issuance of common stock in connection with acquisition Repurchase of common stock
2007-12-31
2007-03-30 2218.21 未披露 定期报告 2007-03-26
2007-03-30 2192.87 未披露
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From December 31, 2005 to December 31, 2006 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan
2006-12-31
2006-03-30 2158.75 未披露 定期报告 2006-03-15
2006-03-30 2157.49 未披露
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From December 31, 2004 to December 31, 2005 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan Issuance of common stock in connection with acquisition
2005-12-31
2005-03-18 2070.06 未披露 定期报告 2005-03-15
2005-03-18 2066.75 未披露
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From December 31, 2003 to December 31, 2004 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan
2004-12-31
2004-03-25 2045.60 未披露 定期报告 2004-03-23
2004-03-25 2045.57 未披露
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From December 31, 2002 to December 31, 2003 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan
2003-12-31
2003-03-26 2032.27 未披露
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From December 31, 2001 to December 31, 2002 Issuance of common stock to Employee Stock Purchase Plan Retirement of common stock in connection with EMInet escrow resolution
2002-12-31
2002-03-22 2037.25 未披露 定期报告 2002-03-18
2002-03-22 2037.25 未披露
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From December 31, 2000 to December 31, 2001 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan Issuance of common stock in acquisitions Repurchase of shares in connection with WebMD renegotiation Cancellation of restricted stock
2001-12-31
2001-03-29 2031.25 未披露 定期报告 2001-03-23
2001-03-29 2124.23 未披露
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From December 31, 1999 to December 31, 2000 Issuance of common stock in acquisitions Exercise of stock options Issuance of common stock in initial public offering Issuance of common stock in private offering Conversion of Preferred Stock into common stock in connection with initial public offering Conversion of related party notes payable into common stock in connection with initial public offering Repurchase of common stock in connection with the initial public offering
2000-12-31
From June 30, 2025 to September 30, 2025 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchases of common stock
From March 31, 2025 to June 30, 2025 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchases of common stock
From December 31, 2024 to March 31, 2025 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2023 to December 31, 2024 Common stock issued under stock plans,net of shares withheld for employee taxes
From June 30, 2024 to September 30, 2024 Common stock issued under stock plans, net of shares withheld for employee taxes
From March 31, 2024 to June 30, 2024 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2022 to December 31, 2023 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
From June 30,2023 to September 30,2023 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
From December 31, 2022 to March 31, 2023 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2021 to December 31, 2022 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
From June 30, 2022 to September 30, 2022 Common stock issued under stock plans, net of shares withheld for employee taxes
From March 31, 2022 to June 30, 2022 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock Stock-based compensation
From December 31, 2021 to March 31, 2022 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
From December 31, 2020 to December 31, 2021 Stock donated to Company (held in treasury) Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
From June 30, 2021 to September 30, 2021 Common stock issued under stock plans, net of shares withheld for employee taxes Stock based compensation
From March 31, 2021 to June 30, 2021 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2020 To March 31, 2021 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2019 to December 31, 2020 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
From June 30, 2020 to September 30, 2020 Common stock issued under stock plans, net of shares withheld for employee taxes Repurchase of common stock
From March 31, 2020 to June 30, 2020 Common stock issued under stock plans,net of shares withheld for employee taxes
From December 31, 2019 to March 31, 2020 Common stock issued under stock plans,net of shares withheld for employee taxes Repurchase of common stock
from December 31, 2018 to December 31, 2019 Stock donated to Company (held in treasury) Common stock issued under stock plans, net of shares withheld for employee taxes
from June 30,2019 to September 30, 2019 Common stock issued under stock plans,net of shares withheld for employee taxes
from March 31, 2019 to June 30,2019 Stock donated to Company (held in treasury) Common stock issued under stock plans,net of shares withheld for employee taxes
from December 31, 2018 to March 31, 2019 Common stock issued under stock plans,net of shares withheld for employee taxes
from December 31, 2017 to December 31, 2018 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2017 to September 30, 2018 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2017 to June 30, 2018 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2017 to March 31, 2018 Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2016 to December 31, 2017 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2016 To September 30, 2017 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2016 to June 30, 2017 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2016 to March 31, 2017 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2015 to December 31, 2016 Stock based compensation
From December 31, 2015 to September 30, 2016 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2015 to June 30, 2016 Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2015 to March 31, 2016 Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2014 to December 31, 2015 Issuance of common stock Stock donated to Company Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2014 to September 30, 2015 Issuance of common stock Stock donated to Company Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31,2014 to June 30,2015 Issuance of common stock Stock donated to Company Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2014 to March 31, 2015 Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2013 to December 31, 2014 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2013 to September 30, 2014 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2013 to June 30, 2014 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2013 to March 31, 2014 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2012 to December 31, 2013 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2012 to September 30, 2013 Issuance of common stock in acquisition Common stock issued under stock plans, net of shares withheld for employee taxes
From December 31, 2012 to June 30, 2013 Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2012 to March 31, 2013 Common stock issued under stock plans, net of shares withheld for employee taxes
from December 31, 2011 to December 31, 2012 Issuance of common stock in acquisitions Exercise of stock options
from December 31, 2011 to September 30, 2012 Issuance of common stock in acquisition Exercise of stock options
from December 31, 2011 to June 30, 2012 Issuance of common stock in acquisition Exercise of stock options
from December 31, 2011 to March 31, 2012 Exercise of stock options
from December 31, 2010 to December 31, 2011 Exercise of stock options Issuance of common stock
from dec 31 2010 to sep 30 2011 Exercise of stock options
From Dec 31 2010 to Jun 30 2011 Exercise of stock options
Exercise of stock options Repurchase of common stock
Repurchase of common stock Exercise of stock options
Exercise of stock options
from December 31, 2009 to March 23, 2010 Exercise of stock options
From December 31, 2008 to December 31, 2009 Exercise of stock options
From December 31, 2007 to December 31, 2008 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan Repurchase of common stock
From December 31, 2006 to December 31, 2007 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan Issuance of common stock in connection with acquisition Repurchase of common stock
From December 31, 2005 to December 31, 2006 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan
From December 31, 2004 to December 31, 2005 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan Issuance of common stock in connection with acquisition
From December 31, 2003 to December 31, 2004 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan
From December 31, 2002 to December 31, 2003 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan
From December 31, 2001 to December 31, 2002 Issuance of common stock to Employee Stock Purchase Plan Retirement of common stock in connection with EMInet escrow resolution
From December 31, 2000 to December 31, 2001 Exercise of stock options Issuance of common stock to Employee Stock Purchase Plan Issuance of common stock in acquisitions Repurchase of shares in connection with WebMD renegotiation Cancellation of restricted stock
From December 31, 1999 to December 31, 2000 Issuance of common stock in acquisitions Exercise of stock options Issuance of common stock in initial public offering Issuance of common stock in private offering Conversion of Preferred Stock into common stock in connection with initial public offering Conversion of related party notes payable into common stock in connection with initial public offering Repurchase of common stock in connection with the initial public offering