股本结构
单位：万股
| 公告日期 | 2025-10-30 | 2025-07-25 | 2025-07-25 | 2025-04-30 | 2025-04-30 | 2025-04-01 |
|---|---|---|---|---|---|---|
| 证券总股本 | 4051.66 | 4093.82 | 4108.94 | 4187.01 | 4214.80 | 4228.72 |
| 普通股本 | 4051.66 | 4093.82 | 4108.94 | 4187.01 | 4214.80 | 4228.72 |
| 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 | 2025-09-30 | 2025-07-18 | 2025-06-30 | 2025-04-23 | 2025-03-31 | 2025-03-19 |
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 |
|---|---|---|---|---|
| 2025-10-30 | 4051.66 | 未披露 |
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From June 30, 2025 to September 30, 2025
Stock-based compensation
Stock repurchases
|
2025-09-30 |
| 2025-07-25 | 4093.82 | 未披露 | 定期报告 | 2025-07-18 |
| 2025-07-25 | 4108.94 | 未披露 |
更多>>
From March 31, 2025 to June 30, 2025
Stock-based compensation
Stock repurchases
|
2025-06-30 |
| 2025-04-30 | 4187.01 | 未披露 | 定期报告 | 2025-04-23 |
| 2025-04-30 | 4214.80 | 未披露 |
更多>>
From December 31, 2024 to March 31, 2025
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
|
2025-03-31 |
| 2025-04-01 | 4228.72 | 未披露 | 定期报告 | 2025-03-19 |
| 2025-04-01 | 4254.06 | 未披露 | 定期报告 | 2025-02-28 |
| 2025-02-18 | 4244.98 | 未披露 | 定期报告 | 2025-02-13 |
| 2025-02-18 | 4288.23 | 未披露 |
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From December 31, 2023 to December 31, 2024
Stock-based compensation
Stock repurchase
Stock option exercises
|
2024-12-31 |
| 2024-10-24 | 4333.70 | 未披露 | 定期报告 | 2024-10-17 |
| 2024-10-24 | 4333.68 | 未披露 |
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From June 30, 2024 to September 30, 2024
Stock-based compensation
Stock repurchase
|
2024-09-30 |
| 2024-07-24 | 4399.92 | 未披露 | 定期报告 | 2024-07-17 |
| 2024-07-24 | 4422.52 | 未披露 |
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From March 31, 2024 to June 30, 2024
Stock-based compensation
Stock repurchase
|
2024-06-30 |
| 2024-04-24 | 4502.26 | 未披露 | 定期报告 | 2024-04-17 |
| 2024-04-24 | 4513.96 | 未披露 |
更多>>
From December 31, 2023 to March 31, 2024
Stock-based compensation
Stock repurchase
Stock option exercises
|
2024-03-31 |
| 2024-04-09 | 4516.39 | 未披露 | 定期报告 | 2024-03-25 |
| 2024-02-22 | 4508.58 | 未披露 | 定期报告 | 2024-02-15 |
| 2024-02-22 | 4539.33 | 未披露 |
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From December 31, 2022 to December 31, 2023
Stock-based compensation
Stock repurchase
Stock option exercises
|
2023-12-31 |
| 2023-10-25 | 4608.73 | 未披露 | 定期报告 | 2023-10-18 |
| 2023-10-25 | 4629.73 | 未披露 |
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From June 30, 2023 to September 30, 2023
Stock-based compensation
Stock repurchase
|
2023-09-30 |
| 2023-07-26 | 4699.94 | 未披露 | 定期报告 | 2023-07-19 |
| 2023-07-26 | 4706.54 | 未披露 |
更多>>
From March 31, 2023 to June 30, 2023
Stock-based compensation
Stock repurchase
Stock option exercises
|
2023-06-30 |
| 2023-04-26 | 4748.00 | 未披露 | 定期报告 | 2023-04-19 |
| 2023-04-26 | 4762.61 | 未披露 |
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From December 31, 2022 to March 31, 2023
Stock-based compensation
Stock repurchase
Stock option exercises
|
2023-03-31 |
| 2023-03-28 | 4777.00 | 未披露 | 定期报告 | 2023-03-13 |
| 2023-02-23 | 4751.31 | 未披露 | 定期报告 | 2023-02-15 |
| 2023-02-23 | 4767.58 | 未披露 |
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From December 31, 2021 to December 31, 2022
Common stock issued in connection with:
Stock option exercises
Stock-based compensation
Stock repurchase
|
2022-12-31 |
| 2022-10-26 | 4794.41 | 未披露 | 定期报告 | 2022-10-19 |
| 2022-10-26 | 4806.53 | 未披露 |
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From June 30, 2022 to September 30, 2022
Stock-based compensation
Stock repurchase
|
2022-09-30 |
| 2022-07-27 | 4855.04 | 未披露 | 定期报告 | 2022-07-20 |
| 2022-07-27 | 4870.11 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Stock-based compensation
Stock repurchase
Stock option exercises
|
2022-06-30 |
| 2022-03-29 | 4903.26 | 未披露 | 定期报告 | 2022-03-14 |
| 2022-02-24 | 4875.55 | 未披露 | 定期报告 | 2022-02-16 |
| 2022-02-24 | 4895.45 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Stock-based compensation
Stock repurchase
Stock option exercises
|
2021-12-31 |
| 2021-11-09 | 4947.70 | 未披露 | 定期报告 | 2021-11-03 |
| 2021-11-09 | 4957.47 | 未披露 |
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From June 30, 2021 to September 30, 2021
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
|
2021-09-30 |
| 2021-07-28 | 5000.93 | 未披露 | 定期报告 | 2021-07-23 |
| 2021-07-28 | 5046.40 | 未披露 |
更多>>
From March 31, 2021 to June 30, 2021
Stock-based compensation
Stock repurchase
Common stock issued in connection with: Stock option exercises
|
2021-06-30 |
| 2021-04-28 | 5151.71 | 未披露 | 定期报告 | 2021-04-23 |
| 2021-04-28 | 5171.13 | 未披露 |
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From December 31, 2020 to March 31, 2021
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
|
2021-03-31 |
| 2021-03-29 | 5188.30 | 未披露 | 定期报告 | 2021-03-12 |
| 2021-02-25 | 5205.68 | 未披露 | 定期报告 | 2021-02-12 |
| 2021-02-25 | 5253.65 | 未披露 |
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From December 31, 2019 to December 31, 2020
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
|
2020-12-31 |
| 2020-11-05 | 5295.02 | 未披露 | 定期报告 | 2020-10-30 |
| 2020-07-29 | 5291.30 | 未披露 | 定期报告 | 2020-07-24 |
| 2020-07-29 | 5290.61 | 未披露 |
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From March 31, 2020 to June 30, 2020
Stock-based compensation
Stock repurchase
|
2020-06-30 |
| 2020-05-14 | 5284.98 | 未披露 | 定期报告 | 2020-04-24 |
| 2020-05-14 | 5284.87 | 未披露 |
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From December 31, 2019 to March 31, 2020
Stock-based compensation
Stock repurchase
|
2020-03-31 |
| 2020-03-30 | 5284.69 | 未披露 | 定期报告 | 2020-03-13 |
| 2020-02-25 | 5308.21 | 未披露 | 定期报告 | 2020-02-14 |
| 2020-02-25 | 5347.36 | 未披露 |
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from December 31, 2018 to December 31, 2019
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
|
2019-12-31 |
| 2019-11-06 | 5409.25 | 未披露 | 定期报告 | 2019-11-01 |
| 2019-11-06 | 5412.26 | 未披露 |
更多>>
from June 30, 2019 to September 30, 2019
Stock-based compensation
Stock repurchase
|
2019-09-30 |
| 2019-07-31 | 5445.66 | 未披露 | 定期报告 | 2019-07-25 |
| 2019-07-31 | 5467.57 | 未披露 |
更多>>
from March 31, 2019 to June 30,2019
Stock-based compensation
Stock repurchase
|
2019-06-30 |
| 2019-05-01 | 5542.64 | 未披露 | 定期报告 | 2019-04-25 |
| 2019-05-01 | 5542.41 | 未披露 |
更多>>
from December 31, 2018 to March 31, 2019
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
|
2019-03-31 |
| 2019-04-05 | 5542.25 | 未披露 | 定期报告 | 2019-03-22 |
| 2019-02-28 | 5515.10 | 未披露 | 定期报告 | 2019-02-15 |
| 2019-02-28 | 5513.58 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
|
2018-12-31 |
| 2018-10-30 | 5603.42 | 未披露 | 定期报告 | 2018-09-30 |
| 2018-08-08 | 5720.94 | 未披露 | 定期报告 | 2018-08-02 |
| 2018-08-08 | 5726.71 | 未披露 | 定期报告 | 2018-06-30 |
| 2018-05-01 | 5804.14 | 未披露 | 定期报告 | 2018-04-26 |
| 2018-04-06 | 5803.76 | 未披露 | 定期报告 | 2018-03-20 |
| 2018-02-28 | 5765.02 | 未披露 | 定期报告 | 2018-02-16 |
| 2018-02-28 | 5756.45 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Stock-based compensation
Stock repurchase
Common stock issued in connection with:Stock option exercises
|
2017-12-31 |
| 2017-10-31 | 5897.82 | 未披露 | 定期报告 | 2017-10-26 |
| 2017-10-31 | 5897.52 | 未披露 | 定期报告 | 2017-09-30 |
| 2017-07-25 | 5901.53 | 未披露 | 定期报告 | 2017-07-20 |
| 2017-07-25 | 5912.87 | 未披露 | 定期报告 | 2017-06-30 |
| 2017-04-24 | 6014.54 | 未披露 | 定期报告 | 2017-04-20 |
| 2017-04-24 | 6030.22 | 未披露 | 定期报告 | 2017-03-31 |
| 2017-04-06 | 6044.81 | 未披露 | 定期报告 | 2017-03-20 |
| 2017-02-27 | 5996.00 | 未披露 | 定期报告 | 2017-02-17 |
| 2017-02-27 | 6012.96 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Stock-based compensation
Stock repurchase
Common stock issued in connection with:Stock option exercises
|
2016-12-31 |
| 2016-10-24 | 6203.58 | 未披露 | 定期报告 | 2016-10-20 |
| 2016-10-24 | 6268.39 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-07-26 | 6391.85 | 未披露 | 定期报告 | 2016-07-21 |
| 2016-07-26 | 6422.70 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-04-26 | 6483.13 | 未披露 | 定期报告 | 2016-04-21 |
| 2016-04-26 | 6482.76 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-03-31 | 6531.59 | 未披露 | 定期报告 | 2016-03-14 |
| 2016-02-26 | 6493.59 | 未披露 | 定期报告 | 2016-02-18 |
| 2016-02-26 | 6492.95 | 未披露 |
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from December 31, 2014 to December 31, 2015
Stock-based compensation
Stock repurchase
Common stock issued in connection with:Stock option exercises
|
2015-12-31 |
| 2015-10-27 | 6649.67 | 未披露 | 定期报告 | 2015-09-30 |
| 2015-07-28 | 6658.39 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-04-27 | 6791.65 | 未披露 | 定期报告 | 2015-04-22 |
| 2015-04-27 | 6802.52 | 未披露 | 定期报告 | 2015-03-31 |
| 2015-04-01 | 6830.55 | 未披露 | 定期报告 | 2015-03-16 |
| 2015-02-27 | 6866.96 | 未披露 | 定期报告 | 2015-02-19 |
| 2015-02-27 | 6899.81 | 未披露 |
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From December 31,2013 to December 31,2014
Stock-based compensation
Stock repurchase
Stock option exercises
|
2014-12-31 |
| 2014-10-28 | 6898.37 | 未披露 | 定期报告 | 2014-09-30 |
| 2014-07-29 | 6897.44 | 未披露 | 定期报告 | 2014-06-30 |
| 2014-04-28 | 6891.69 | 未披露 | 定期报告 | 2014-04-23 |
| 2014-04-28 | 6890.80 | 未披露 | 定期报告 | 2014-03-31 |
| 2014-04-04 | 6888.82 | 未披露 | 定期报告 | 2014-03-17 |
| 2014-02-27 | 6855.35 | 未披露 | 定期报告 | 2014-02-20 |
| 2014-02-27 | 6852.34 | 未披露 |
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From December 31,2012 to December 31,2013
Stock-based compensation
Stock repurchase
|
2013-12-31 |
| 2013-10-29 | 6851.69 | 未披露 | 定期报告 | 2013-10-22 |
| 2013-10-29 | 6850.74 | 未披露 | 定期报告 | 2013-09-30 |
| 2013-07-30 | 6849.09 | 未披露 | 定期报告 | 2013-07-25 |
| 2013-07-30 | 6846.94 | 未披露 | 定期报告 | 2013-06-30 |
| 2013-04-30 | 6847.59 | 未披露 | 定期报告 | 2013-04-25 |
| 2013-04-30 | 6841.29 | 未披露 | 定期报告 | 2013-03-31 |
| 2013-04-05 | 6847.20 | 未披露 | 定期报告 | 2013-03-28 |
| 2013-02-28 | 6845.67 | 未披露 | 定期报告 | 2013-02-21 |
| 2013-02-28 | 6837.90 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Stock-based compensation
Stock repurchase
Stock option plan
|
2012-12-31 |
| 2012-11-01 | 6843.05 | 未披露 | 定期报告 | 2012-10-26 |
| 2012-11-01 | 6837.53 | 未披露 | 定期报告 | 2012-09-30 |
| 2012-08-02 | 6838.80 | 未披露 | 定期报告 | 2012-07-26 |
| 2012-08-02 | 6833.28 | 未披露 | 定期报告 | 2012-06-30 |
| 2012-05-01 | 6832.43 | 未披露 | 定期报告 | 2012-04-26 |
| 2012-05-01 | 6831.43 | 未披露 | 定期报告 | 2012-03-31 |
| 2012-02-29 | 6832.17 | 未披露 | 定期报告 | 2012-02-22 |
| 2012-02-29 | 6816.57 | 未披露 |
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from December 31, 2010 to December 31, 2011
Stock-based compensation
Stock repurchase
Common stock issued in connection with:Stock option plan
|
2011-12-31 |
| 2011-11-01 | 6852.77 | 未披露 | 定期报告 | 2011-10-26 |
| 2011-11-01 | 6812.23 | 未披露 | 定期报告 | 2011-09-30 |
| 2011-08-03 | 6851.94 | 未披露 | 定期报告 | 2011-07-28 |
| 2011-08-03 | 6811.21 | 未披露 | 定期报告 | 2011-06-30 |
| 2011-05-03 | 6849.63 | 未披露 | 定期报告 | 2011-04-28 |
| 2011-05-03 | 6806.48 | 未披露 | 定期报告 | 2011-03-31 |
| 2011-02-25 | 6830.36 | 未披露 | 定期报告 | 2011-02-21 |
| 2011-02-25 | 6793.08 | 未披露 |
更多>>
From Dec 31 2009 to Dec 31 2010
Stock-based compensation
Stock repurchase
Public offering
Exercise of warrant
Stock option plan
|
2010-12-31 |
| 2010-11-02 | 6829.48 | 未披露 | 定期报告 | 2010-10-28 |
| 2010-11-02 | 6785.41 | 未披露 | 定期报告 | 2010-09-30 |
| 2010-08-03 | 5894.63 | 未披露 | 定期报告 | 2010-07-28 |
| 2010-08-03 | 5850.31 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-05-04 | 3108.83 | 未披露 | 定期报告 | 2010-04-28 |
| 2010-05-04 | 3044.67 | 未披露 | 定期报告 | 2010-03-31 |
| 2010-03-26 | 3037.64 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Stock-based compensation
Stock repurchase
Common stock issued under:Outside directors' plan
|
2009-12-31 |
| 2009-04-14 | 3115.37 | 未披露 | 定期报告 | 2009-04-08 |
| 2009-04-14 | 3002.60 | 未披露 |
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from December 31, 2007 to December 31, 2008
Stock-based compensation
Stock repurchase
Common stock issued under:Stock option plan
Common stock issued under:Outside directors’plan
|
2008-12-31 |
| 2008-02-19 | 3069.79 | 未披露 | 定期报告 | 2008-02-11 |
| 2008-02-19 | 2984.29 | 未披露 |
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from December 31, 2006 to December 31, 2007
Stock-based compensation
Stock repurchase
Common stock issued under:Stock option plan
Common stock issued under:Outside directors’plan
|
2007-12-31 |
| 2007-03-12 | 3053.10 | 未披露 | 定期报告 | 2007-02-26 |
| 2007-03-12 | 3048.00 | 未披露 |
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from December 31, 2005 to December 31, 2006
Stock-based compensation
Stock repurchase
Common stock issued under:Employee stock bonus plan
Common stock issued under:Stock option plan
Common stock issued under:Outside directors’plan
|
2006-12-31 |
| 2006-02-27 | 3112.18 | 未披露 | 定期报告 | 2006-02-21 |
| 2006-02-27 | 3108.00 | 未披露 |
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from December 31, 2004 to December 31, 2005
Restricted stock amortization
Stock repurchase
Employee stock bonus plan
Stock option plan
Outside directors'plan
|
2005-12-31 |
| 2005-03-03 | 3085.28 | 未披露 | 定期报告 | 2005-02-23 |
| 2005-03-03 | 3080.74 | 未披露 |
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from December 31, 2003 to December 31, 2004
Restricted stock amortization
Common stock issued under:Equity offering
Common stock issued under:Employee stock bonus plan
Common stock issued under:Stock option plan
Common stock issued under:Outside directors' plan
|
2004-12-31 |
| 2004-02-12 | 2691.45 | 未披露 | 定期报告 | 2004-02-06 |
| 2004-02-12 | 2684.93 | 未披露 |
更多>>
from December 31 , 2002 to December 31 , 2003
Preferred stock conversion
Common stock issued under:Employee stock bonus plan
Common stock issued under:Stock option plan
Common stock issued under:Outside directors' plan
|
2003-12-31 |
| 2003-04-15 | 2566.16 | 未披露 | 定期报告 | 2003-04-04 |
| 2003-04-15 | 2564.71 | 35.20 |
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from December 31, 2001 to December 31, 2002
Preferred Stock Conversion
Common stock issued under:Employee stock purchase plan
Common stock issued under:Employee stock bonus plan
Common stock issued under:Stock option plan
Common stock issued under:Outside directors' compensation
|
2002-12-31 |
| 2002-04-15 | 2303.13 | 未披露 | 定期报告 | 2002-04-10 |
| 2002-04-15 | 2301.38 | 48.20 |
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from December 31, 2000 to December 31, 2001
Common stock issued under:Employee stock purchase plan
Common stock issued under:Employee stock bonus plan
Common stock issued under:Outside directors' compensation
|
2001-12-31 |
| 2001-03-29 | 2300.25 | 48.20 |
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from December 31, 1999 to December 31, 2000
Common stock issued under:Employee stock purchase plan
Employee stock bonus plan
|
2000-12-31 |
| 2000-03-29 | 2298.52 | 未披露 |
更多>>
from December 31, 1998 to December 31, 1999
Issuance of common stock under:employee stock purchase plan
Issuance of common stock under:employee stock bonus plan
Exercise of stock options
|
1999-12-31 |
| 1999-03-31 | 2296.51 | 未披露 |
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from December 31, 1997 to December 31, 1998
Preferred stock issued for acquisition
|
1998-12-31 |
| 1998-02-04 | 1995.49 | 未披露 |
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from December 31, 1996 to December 31,1997
Issuance of common stock under:employee stock purchase plan
employee stock bonus plan
Stock issued for acquisition:Common stock
Exercise of stock options
|
1997-12-31 |
| 1997-02-10 | 1891.09 | 未披露 |
更多>>
from December 31, 1995 to December 31, 1996
Issuance of common stock under employee stock purchase plan
Exercise of stock options
Purchase treasury stock
|
1996-12-31 |
| 1997-02-10 | 1894.32 | 未披露 |
更多>>
from December 31, 1994 to December 31, 1995
Issuance of common stock under employee stock purchase plan
Exercise of stock options
Purchase treasury stock
|
1995-12-31 |
From June 30, 2025 to September 30, 2025
Stock-based compensation
Stock repurchases
From March 31, 2025 to June 30, 2025
Stock-based compensation
Stock repurchases
From December 31, 2024 to March 31, 2025
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
From December 31, 2023 to December 31, 2024
Stock-based compensation
Stock repurchase
Stock option exercises
From June 30, 2024 to September 30, 2024
Stock-based compensation
Stock repurchase
From March 31, 2024 to June 30, 2024
Stock-based compensation
Stock repurchase
From December 31, 2023 to March 31, 2024
Stock-based compensation
Stock repurchase
Stock option exercises
From December 31, 2022 to December 31, 2023
Stock-based compensation
Stock repurchase
Stock option exercises
From June 30, 2023 to September 30, 2023
Stock-based compensation
Stock repurchase
From March 31, 2023 to June 30, 2023
Stock-based compensation
Stock repurchase
Stock option exercises
From December 31, 2022 to March 31, 2023
Stock-based compensation
Stock repurchase
Stock option exercises
From December 31, 2021 to December 31, 2022
Common stock issued in connection with:
Stock option exercises
Stock-based compensation
Stock repurchase
From June 30, 2022 to September 30, 2022
Stock-based compensation
Stock repurchase
From March 31, 2022 to June 30, 2022
Stock-based compensation
Stock repurchase
Stock option exercises
From December 31, 2020 to December 31, 2021
Stock-based compensation
Stock repurchase
Stock option exercises
From June 30, 2021 to September 30, 2021
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
From March 31, 2021 to June 30, 2021
Stock-based compensation
Stock repurchase
Common stock issued in connection with: Stock option exercises
From December 31, 2020 to March 31, 2021
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
From December 31, 2019 to December 31, 2020
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
From March 31, 2020 to June 30, 2020
Stock-based compensation
Stock repurchase
From December 31, 2019 to March 31, 2020
Stock-based compensation
Stock repurchase
from December 31, 2018 to December 31, 2019
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
from June 30, 2019 to September 30, 2019
Stock-based compensation
Stock repurchase
from March 31, 2019 to June 30,2019
Stock-based compensation
Stock repurchase
from December 31, 2018 to March 31, 2019
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
from December 31, 2017 to December 31, 2018
Stock-based compensation
Stock repurchase
Common stock issued in connection with:
Stock option exercises
from December 31, 2016 to December 31, 2017
Stock-based compensation
Stock repurchase
Common stock issued in connection with:Stock option exercises
from December 31, 2015 to December 31, 2016
Stock-based compensation
Stock repurchase
Common stock issued in connection with:Stock option exercises
from December 31, 2014 to December 31, 2015
Stock-based compensation
Stock repurchase
Common stock issued in connection with:Stock option exercises
From December 31,2013 to December 31,2014
Stock-based compensation
Stock repurchase
Stock option exercises
From December 31,2012 to December 31,2013
Stock-based compensation
Stock repurchase
from December 31, 2011 to December 31, 2012
Stock-based compensation
Stock repurchase
Stock option plan
from December 31, 2010 to December 31, 2011
Stock-based compensation
Stock repurchase
Common stock issued in connection with:Stock option plan
From Dec 31 2009 to Dec 31 2010
Stock-based compensation
Stock repurchase
Public offering
Exercise of warrant
Stock option plan
from December 31, 2008 to December 31, 2009
Stock-based compensation
Stock repurchase
Common stock issued under:Outside directors' plan
from December 31, 2007 to December 31, 2008
Stock-based compensation
Stock repurchase
Common stock issued under:Stock option plan
Common stock issued under:Outside directors’plan
from December 31, 2006 to December 31, 2007
Stock-based compensation
Stock repurchase
Common stock issued under:Stock option plan
Common stock issued under:Outside directors’plan
from December 31, 2005 to December 31, 2006
Stock-based compensation
Stock repurchase
Common stock issued under:Employee stock bonus plan
Common stock issued under:Stock option plan
Common stock issued under:Outside directors’plan
from December 31, 2004 to December 31, 2005
Restricted stock amortization
Stock repurchase
Employee stock bonus plan
Stock option plan
Outside directors'plan
from December 31, 2003 to December 31, 2004
Restricted stock amortization
Common stock issued under:Equity offering
Common stock issued under:Employee stock bonus plan
Common stock issued under:Stock option plan
Common stock issued under:Outside directors' plan
from December 31 , 2002 to December 31 , 2003
Preferred stock conversion
Common stock issued under:Employee stock bonus plan
Common stock issued under:Stock option plan
Common stock issued under:Outside directors' plan
from December 31, 2001 to December 31, 2002
Preferred Stock Conversion
Common stock issued under:Employee stock purchase plan
Common stock issued under:Employee stock bonus plan
Common stock issued under:Stock option plan
Common stock issued under:Outside directors' compensation
from December 31, 2000 to December 31, 2001
Common stock issued under:Employee stock purchase plan
Common stock issued under:Employee stock bonus plan
Common stock issued under:Outside directors' compensation
from December 31, 1999 to December 31, 2000
Common stock issued under:Employee stock purchase plan
Employee stock bonus plan
from December 31, 1998 to December 31, 1999
Issuance of common stock under:employee stock purchase plan
Issuance of common stock under:employee stock bonus plan
Exercise of stock options
from December 31, 1997 to December 31, 1998
Preferred stock issued for acquisition
from December 31, 1996 to December 31,1997
Issuance of common stock under:employee stock purchase plan
employee stock bonus plan
Stock issued for acquisition:Common stock
Exercise of stock options
from December 31, 1995 to December 31, 1996
Issuance of common stock under employee stock purchase plan
Exercise of stock options
Purchase treasury stock
from December 31, 1994 to December 31, 1995
Issuance of common stock under employee stock purchase plan
Exercise of stock options
Purchase treasury stock