股本结构
单位：万股
| 公告日期 | 2025-03-25 | 2023-11-09 | 2023-11-08 | 2023-08-07 | 2023-08-08 | 2023-05-09 |
|---|---|---|---|---|---|---|
| 证券总股本 | 0.0013 | 3521.55 | 3520.25 | 3519.83 | 3518.19 | 3515.09 |
| 普通股本 | 0.0013 | 3521.55 | 3520.25 | 3519.83 | 3518.19 | 3515.09 |
| 优先股 | 0.60 | 未披露 | 0.60 | 未披露 | 0.60 | 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 | 2024-12-31 | 2023-11-07 | 2023-09-30 | 2023-08-03 | 2023-06-30 | 2023-03-31 |
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 |
|---|---|---|---|---|
| 2025-03-25 | 0.0013 | 0.60 |
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From December 31, 2023 to December 31, 2024
Changes in common stock due to merger with AGIH Merger Sub, Inc.
Capital contributions
|
2024-12-31 |
| 2023-11-09 | 3521.55 | 未披露 | 定期报告 | 2023-11-07 |
| 2023-11-08 | 3520.25 | 0.60 | 定期报告 | 2023-09-30 |
| 2023-08-07 | 3519.83 | 未披露 | 定期报告 | 2023-08-03 |
| 2023-08-08 | 3518.19 | 0.60 | 定期报告 | 2023-06-30 |
| 2023-04-28 | 3516.95 | 未披露 | 定期报告 | 2023-04-27 |
| 2023-05-09 | 3515.09 | 0.60 |
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From December 31, 2022 to March 31, 2023
Activity under stock incentive plans
|
2023-03-31 |
| 2023-03-20 | 3509.78 | 0.60 | 定期报告 | 2023-03-16 |
| 2023-03-06 | 3509.33 | 未披露 | 定期报告 | 2023-03-02 |
| 2023-03-06 | 3506.10 | 0.60 |
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From December 31, 2021 to December 31, 2022
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
Employee stock purchase plan
|
2022-12-31 |
| 2022-11-09 | 3505.55 | 未披露 | 定期报告 | 2022-11-07 |
| 2022-10-31 | 3505.19 | 未披露 | 定期报告 | 2022-10-26 |
| 2022-11-09 | 3502.14 | 0.60 |
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From June 30, 2022 to September 30, 2022
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
|
2022-09-30 |
| 2022-08-09 | 3502.02 | 未披露 | 定期报告 | 2022-08-05 |
| 2022-08-09 | 3497.57 | 0.60 | 定期报告 | 2022-06-30 |
| 2022-04-29 | 3495.82 | 未披露 | 定期报告 | 2022-04-27 |
| 2022-05-06 | 3494.46 | 0.60 |
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From December 31, 2021 to March 31, 2022
Activity under stock incentive plans
|
2022-03-31 |
| 2022-03-16 | 3488.89 | 未披露 | 定期报告 | 2022-03-14 |
| 2022-03-16 | 3487.70 | 0.60 |
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From December 31, 2020 to December 31, 2021
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
Employee stock purchase plan
|
2021-12-31 |
| 2021-11-09 | 3487.27 | 未披露 | 定期报告 | 2021-11-04 |
| 2021-11-09 | 3486.28 | 0.60 | 定期报告 | 2021-09-30 |
| 2021-08-06 | 3485.24 | 未披露 | 定期报告 | 2021-08-04 |
| 2021-08-06 | 3484.30 | 0.60 |
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From March 31, 2021 to June 30, 2021
Activity under stock incentive plans
|
2021-06-30 |
| 2021-05-07 | 3480.28 | 未披露 | 定期报告 | 2021-05-04 |
| 2021-05-07 | 3476.86 | 0.60 |
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From December 31, 2020 To March 31, 2021
Activity under stock incentive plans
|
2021-03-31 |
| 2021-03-25 | 3470.83 | 未披露 | 定期报告 | 2021-03-15 |
| 2021-03-15 | 3470.68 | 未披露 | 定期报告 | 2021-03-09 |
| 2021-03-15 | 3469.41 | 0.60 |
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from December 31, 2019 to December 31, 2020
Preferred shares issued
Activity under stock incentive plans
Retirement of common shares(tax payments on equity compensation)
|
2020-12-31 |
| 2020-11-04 | 3468.47 | 未披露 | 定期报告 | 2020-11-02 |
| 2020-11-04 | 3466.98 | 未披露 | 定期报告 | 2020-09-30 |
| 2020-08-06 | 3466.53 | 未披露 | 定期报告 | 2020-08-03 |
| 2020-08-06 | 3464.49 | 未披露 |
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From March 31, 2020 to June 30, 2020
Activity under stock incentive plans
|
2020-06-30 |
| 2020-07-07 | 3463.97 | 未披露 | 定期报告 | 2020-05-31 |
| 2020-05-08 | 3463.48 | 未披露 | 定期报告 | 2020-05-06 |
| 2020-05-08 | 3455.19 | 未披露 |
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From December 31, 2019 to March 31, 2020
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
|
2020-03-31 |
| 2020-03-16 | 3449.95 | 未披露 | 定期报告 | 2020-03-02 |
| 2020-02-28 | 3450.19 | 未披露 | 定期报告 | 2020-02-26 |
| 2020-02-28 | 3438.26 | 未披露 |
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from December 31, 2018 to December 31, 2019
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
Employee stock purchase plan
|
2019-12-31 |
| 2019-11-08 | 3432.34 | 未披露 | 定期报告 | 2019-11-05 |
| 2019-11-08 | 3431.38 | 未披露 |
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from December 31, 2018 to September 30, 2019
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
|
2019-09-30 |
| 2019-08-06 | 3428.87 | 未披露 | 定期报告 | 2019-08-01 |
| 2019-08-06 | 3427.82 | 未披露 |
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from December 31, 2018 to June 30,2019
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
|
2019-06-30 |
| 2019-05-08 | 3410.51 | 未披露 | 定期报告 | 2019-05-06 |
| 2019-05-08 | 3404.93 | 未披露 |
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from December 31, 2018 to March 31, 2019
Activity under stock incentive plans
|
2019-03-31 |
| 2019-02-26 | 3396.99 | 未披露 | 定期报告 | 2019-02-21 |
| 2019-02-26 | 3396.11 | 未披露 |
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from December 31, 2017 to December 31, 2018
Repurchase of common shares (530,882 at a weighted average price of $59.83)
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
15% Stock Dividend
|
2018-12-31 |
| 2018-11-06 | 3389.12 | 未披露 | 定期报告 | 2018-11-01 |
| 2018-11-06 | 3390.27 | 未披露 |
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From December 31, 2017 to September 30, 2018
Repurchase of common shares (500,989 at a weighted average price of $59.83)Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
15% Stock Dividend
|
2018-09-30 |
| 2018-09-21 | 3395.31 | 未披露 | 定期报告 | 2018-09-20 |
| 2018-08-07 | 3398.64 | 未披露 | 定期报告 | 2018-08-02 |
| 2018-08-07 | 3401.51 | 未披露 |
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From December 31, 2017 to June 30, 2018
Repurchase of common shares (344,533 at a weighted average price of $59.20)
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
15% Stock Dividend
|
2018-06-30 |
| 2018-05-09 | 3388.97 | 未披露 | 定期报告 | 2018-05-03 |
| 2018-05-09 | 3381.22 | 未披露 |
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From December 31, 2017 to March 31, 2018
Repurchase of common shares (314,586 at a weighted average price of $59.23)
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
15% Stock Dividend
|
2018-03-31 |
| 2018-03-21 | 2932.10 | 未披露 | 定期报告 | 2018-03-07 |
| 2018-02-27 | 2936.03 | 未披露 | 定期报告 | 2018-02-21 |
| 2018-02-27 | 2960.03 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
Employee stock purchase plan
Repurchase of common shares (756,252 at a weighted average price of $59.76)
|
2017-12-31 |
| 2017-11-07 | 2968.09 | 未披露 | 定期报告 | 2017-11-02 |
| 2017-11-07 | 2965.96 | 未披露 | 定期报告 | 2017-09-30 |
| 2017-08-08 | 3014.00 | 未披露 | 定期报告 | 2017-08-04 |
| 2017-08-08 | 3018.72 | 未披露 | 定期报告 | 2017-06-30 |
| 2017-05-05 | 3019.00 | 未披露 | 定期报告 | 2017-05-01 |
| 2017-04-11 | 3015.23 | 未披露 | 定期报告 | 2017-04-03 |
| 2017-05-05 | 3015.48 | 未披露 | 定期报告 | 2017-03-31 |
| 2017-02-24 | 3001.90 | 未披露 | 定期报告 | 2017-02-21 |
| 2017-02-24 | 3001.36 | 未披露 |
更多>>
From December 31, 2015 to December 31, 2016
Repurchase of common shares (847,111 at a weighted average price of $55.64)
Activity under stock incentive plans
10% stock dividend
|
2016-12-31 |
| 2016-11-04 | 2996.60 | 未披露 | 定期报告 | 2016-10-31 |
| 2016-11-04 | 2998.33 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-08-04 | 3004.64 | 未披露 | 定期报告 | 2016-08-01 |
| 2016-08-04 | 3004.22 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-05-05 | 2749.25 | 未披露 | 定期报告 | 2016-05-02 |
| 2016-05-05 | 2763.68 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-03-11 | 2761.50 | 未披露 | 定期报告 | 2016-03-04 |
| 2016-02-26 | 2761.14 | 未披露 | 定期报告 | 2016-02-22 |
| 2016-02-26 | 2792.43 | 未披露 |
更多>>
from December 31, 2014 to December 31, 2015
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
10% stock dividend
Repurchase of common shares (575,155 at a weighted average price of $51.58)
|
2015-12-31 |
| 2015-11-06 | 2787.55 | 未披露 | 定期报告 | 2015-11-04 |
| 2015-11-06 | 2787.50 | 未披露 | 定期报告 | 2015-09-30 |
| 2015-09-22 | 2792.44 | 未披露 | 定期报告 | 2015-09-11 |
| 2015-08-07 | 2792.58 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-05-08 | 2793.27 | 未披露 | 定期报告 | 2015-05-05 |
| 2015-05-08 | 2795.63 | 未披露 | 定期报告 | 2015-03-31 |
| 2015-03-20 | 2555.49 | 未披露 | 定期报告 | 2015-03-09 |
| 2015-02-27 | 2572.17 | 未披露 | 定期报告 | 2015-02-23 |
| 2015-02-27 | 2571.17 | 未披露 |
更多>>
from December 31,2013 to December 31,2014
Repurchase of common shares (1,048,144 at a weighted average price of $48.48)
Activity under stock incentive plans
|
2014-12-31 |
| 2014-11-10 | 2568.52 | 未披露 | 定期报告 | 2014-10-31 |
| 2014-11-10 | 2582.86 | 未披露 | 定期报告 | 2014-09-30 |
| 2014-08-06 | 2600.56 | 未披露 | 定期报告 | 2014-06-30 |
| 2014-05-08 | 2616.99 | 未披露 | 定期报告 | 2014-04-28 |
| 2014-05-08 | 2645.74 | 未披露 | 定期报告 | 2014-03-31 |
| 2014-03-07 | 2651.02 | 未披露 | 定期报告 | 2014-03-03 |
| 2014-02-28 | 2650.70 | 未披露 | 定期报告 | 2014-02-21 |
| 2014-02-28 | 2650.85 | 未披露 |
更多>>
from December 31,2012 to December 31,2013
Activity under stock incentive plans
Employee stock purchase plan
10% stock dividend
Repurchase of common shares (1,098,732 at a weighted average price of $41.04)
|
2013-12-31 |
| 2013-11-12 | 2662.57 | 未披露 | 定期报告 | 2013-11-05 |
| 2013-11-12 | 2661.94 | 未披露 | 定期报告 | 2013-09-30 |
| 2013-08-09 | 2666.31 | 未披露 | 定期报告 | 2013-07-31 |
| 2013-08-09 | 2675.69 | 未披露 | 定期报告 | 2013-06-30 |
| 2013-05-09 | 2471.04 | 未披露 | 定期报告 | 2013-05-01 |
| 2013-05-09 | 2467.80 | 未披露 | 定期报告 | 2013-03-31 |
| 2013-03-22 | 2479.39 | 未披露 | 定期报告 | 2013-03-04 |
| 2013-02-28 | 2477.55 | 未披露 | 定期报告 | 2013-02-21 |
| 2013-02-28 | 2492.47 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Activity under stock incentive plans
Repurchase of common shares (1,488,308 at a weighted average price of $29.92)
|
2012-12-31 |
| 2012-11-09 | 2511.96 | 未披露 | 定期报告 | 2012-11-05 |
| 2012-11-09 | 2510.99 | 未披露 | 定期报告 | 2012-09-30 |
| 2012-08-09 | 2526.51 | 未披露 | 定期报告 | 2012-08-02 |
| 2012-08-09 | 2542.51 | 未披露 | 定期报告 | 2012-06-30 |
| 2012-05-10 | 2579.16 | 未披露 | 定期报告 | 2012-05-02 |
| 2012-05-10 | 2600.97 | 未披露 | 定期报告 | 2012-03-31 |
| 2012-02-29 | 3130.04 | 未披露 | 定期报告 | 2012-02-17 |
| 2012-02-29 | 3128.55 | 未披露 |
更多>>
from December 31, 2010 to December 31, 2011
Activity under stock incentive plans
Repurchase of common shares (1,607,745 at a weighted average price of $30.72)
|
2011-12-31 |
| 2011-11-08 | 3128.25 | 未披露 | 定期报告 | 2011-11-01 |
| 2011-11-08 | 3127.42 | 未披露 | 定期报告 | 2011-09-30 |
| 2011-08-09 | 3125.98 | 未披露 | 定期报告 | 2011-07-28 |
| 2011-08-09 | 3125.95 | 未披露 | 定期报告 | 2011-06-30 |
| 2011-05-10 | 3124.52 | 未披露 | 定期报告 | 2011-04-28 |
| 2011-05-10 | 3124.15 | 未披露 | 定期报告 | 2011-03-31 |
| 2011-02-28 | 3123.05 | 未披露 | 定期报告 | 2011-02-16 |
| 2011-02-28 | 3120.68 | 未披露 |
更多>>
Activity under stock incentive plans
|
2010-12-31 |
| 2010-11-05 | 3111.17 | 未披露 | 定期报告 | 2010-10-28 |
| 2010-11-05 | 3111.17 | 未披露 | 定期报告 | 2010-09-30 |
| 2010-08-09 | 3107.12 | 未披露 | 定期报告 | 2010-07-30 |
| 2010-08-09 | 3106.38 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-05-07 | 3105.01 | 未披露 | 定期报告 | 2010-05-06 |
| 2010-05-07 | 3101.63 | 未披露 | 定期报告 | 2010-03-31 |
| 2010-03-01 | 3100.46 | 未披露 | 定期报告 | 2010-02-25 |
| 2010-03-01 | 3083.68 | 未披露 |
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From December 31,2008 to December 31,2009
Activity under stock incentive plans
|
2009-12-31 |
| 2009-03-02 | 3067.88 | 未披露 | 定期报告 | 2009-02-26 |
| 2009-03-02 | 3062.29 | 未披露 |
更多>>
From December 31,2007 to December 31,2008
Activity under stock incentive plans
Repurchase of common shares
|
2008-12-31 |
| 2008-03-05 | 3067.81 | 未披露 | 定期报告 | 2008-02-25 |
| 2008-03-05 | 3066.30 | 未披露 |
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From December 31,2006 to December 31,2007
Series A preferred stock conversion
Activity under stock incentive plans
In connection with and immediately following completion of the Merger, on August 7, 2007 the Company’s common shares were split 1-for-10 in a reverse stock split. All references in the accompanying consolidated financial statements to share and per share amounts have been retroactively restated to reflect the 1-for-10 reverse stock split.
|
2007-12-31 |
| 2007-03-16 | 7234.21 | 未披露 | 定期报告 | 2007-03-12 |
| 2007-03-16 | 7240.00 | 1.00 |
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From December 31,2005 to December 31,2006
Issuance of common shares
|
2006-12-31 |
| 2006-03-16 | 7227.24 | 未披露 | 定期报告 | 2006-03-13 |
| 2006-03-16 | 7230.00 | 1.00 |
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From December 31,2004 to December 31,2005
Conversion of convertible preferred shares
Issuance of common shares
Dividends to convertible preferred shareholders
|
2005-12-31 |
| 2005-03-01 | 2058.64 | 未披露 | 定期报告 | 2005-02-25 |
| 2005-03-01 | 2050.00 | 1000.00 |
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From December 31,2003 to December 31,2004
Conversion of convertible preferred shares
Issuance of common shares
Dividends to convertible preferred shareholders
|
2004-12-31 |
| 2004-03-12 | 1406.39 | 未披露 | 定期报告 | 2004-03-11 |
| 2004-03-12 | 1330.00 | 2.00 |
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From December 31,2002 to December 31,2003
Dividends to convertible preferred shareholders
Issuance of common shares
|
2003-12-31 |
| 2003-03-21 | 1218.48 | 未披露 | 定期报告 | 2003-03-14 |
| 2003-03-21 | 1200.00 | 2.00 |
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From December 31, 2001 to December 31, 2002
Issuance of common stock
Issuance of preferred stock
Dividends to preferred stockholders
|
2002-12-31 |
| 2002-03-27 | 1194.43 | 未披露 | 定期报告 | 2002-03-22 |
| 2002-03-27 | 1187.28 | 未披露 |
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From December 31, 2000 to December 31, 2001
Issuance of common stock
|
2001-12-31 |
| 2001-03-29 | 1189.95 | 未披露 | 定期报告 | 2001-03-23 |
| 2001-03-29 | 1182.01 | 未披露 |
更多>>
From December 31, 1999 to December 31, 2000
Issuance of common stock
|
2000-12-31 |
| 2000-03-29 | 1175.82 | 未披露 | 定期报告 | 2000-03-24 |
| 2000-03-29 | 1167.98 | 未披露 |
更多>>
From December 31, 1998 to December 31, 1999
Increase in par value upon redomestication
Issuance of common stock
Repurchase of common stock
Cancellation of treasury stock
|
1999-12-31 |
From December 31, 2023 to December 31, 2024
Changes in common stock due to merger with AGIH Merger Sub, Inc.
Capital contributions
From December 31, 2022 to March 31, 2023
Activity under stock incentive plans
From December 31, 2021 to December 31, 2022
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
Employee stock purchase plan
From June 30, 2022 to September 30, 2022
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
From December 31, 2021 to March 31, 2022
Activity under stock incentive plans
From December 31, 2020 to December 31, 2021
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
Employee stock purchase plan
From March 31, 2021 to June 30, 2021
Activity under stock incentive plans
From December 31, 2020 To March 31, 2021
Activity under stock incentive plans
from December 31, 2019 to December 31, 2020
Preferred shares issued
Activity under stock incentive plans
Retirement of common shares(tax payments on equity compensation)
From March 31, 2020 to June 30, 2020
Activity under stock incentive plans
From December 31, 2019 to March 31, 2020
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
from December 31, 2018 to December 31, 2019
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
Employee stock purchase plan
from December 31, 2018 to September 30, 2019
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
from December 31, 2018 to June 30,2019
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
from December 31, 2018 to March 31, 2019
Activity under stock incentive plans
from December 31, 2017 to December 31, 2018
Repurchase of common shares (530,882 at a weighted average price of $59.83)
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
15% Stock Dividend
From December 31, 2017 to September 30, 2018
Repurchase of common shares (500,989 at a weighted average price of $59.83)Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
15% Stock Dividend
From December 31, 2017 to June 30, 2018
Repurchase of common shares (344,533 at a weighted average price of $59.20)
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
15% Stock Dividend
From December 31, 2017 to March 31, 2018
Repurchase of common shares (314,586 at a weighted average price of $59.23)
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
15% Stock Dividend
from December 31, 2016 to December 31, 2017
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
Employee stock purchase plan
Repurchase of common shares (756,252 at a weighted average price of $59.76)
From December 31, 2015 to December 31, 2016
Repurchase of common shares (847,111 at a weighted average price of $55.64)
Activity under stock incentive plans
10% stock dividend
from December 31, 2014 to December 31, 2015
Activity under stock incentive plans
Retirement of common shares (tax payments on equity compensation)
10% stock dividend
Repurchase of common shares (575,155 at a weighted average price of $51.58)
from December 31,2013 to December 31,2014
Repurchase of common shares (1,048,144 at a weighted average price of $48.48)
Activity under stock incentive plans
from December 31,2012 to December 31,2013
Activity under stock incentive plans
Employee stock purchase plan
10% stock dividend
Repurchase of common shares (1,098,732 at a weighted average price of $41.04)
from December 31, 2011 to December 31, 2012
Activity under stock incentive plans
Repurchase of common shares (1,488,308 at a weighted average price of $29.92)
from December 31, 2010 to December 31, 2011
Activity under stock incentive plans
Repurchase of common shares (1,607,745 at a weighted average price of $30.72)
Activity under stock incentive plans
From December 31,2008 to December 31,2009
Activity under stock incentive plans
From December 31,2007 to December 31,2008
Activity under stock incentive plans
Repurchase of common shares
From December 31,2006 to December 31,2007
Series A preferred stock conversion
Activity under stock incentive plans
In connection with and immediately following completion of the Merger, on August 7, 2007 the Company’s common shares were split 1-for-10 in a reverse stock split. All references in the accompanying consolidated financial statements to share and per share amounts have been retroactively restated to reflect the 1-for-10 reverse stock split.
From December 31,2005 to December 31,2006
Issuance of common shares
From December 31,2004 to December 31,2005
Conversion of convertible preferred shares
Issuance of common shares
Dividends to convertible preferred shareholders
From December 31,2003 to December 31,2004
Conversion of convertible preferred shares
Issuance of common shares
Dividends to convertible preferred shareholders
From December 31,2002 to December 31,2003
Dividends to convertible preferred shareholders
Issuance of common shares
From December 31, 2001 to December 31, 2002
Issuance of common stock
Issuance of preferred stock
Dividends to preferred stockholders
From December 31, 2000 to December 31, 2001
Issuance of common stock
From December 31, 1999 to December 31, 2000
Issuance of common stock
From December 31, 1998 to December 31, 1999
Increase in par value upon redomestication
Issuance of common stock
Repurchase of common stock
Cancellation of treasury stock