股本结构
单位：万股
| 公告日期 | 2025-10-31 | 2025-10-31 | 2025-07-31 | 2025-07-31 | 2025-05-01 | 2025-05-01 |
|---|---|---|---|---|---|---|
| 证券总股本 | 7462.36 | 7462.31 | 7462.02 | 7460.36 | 7458.68 | 7458.20 |
| 普通股本 | 7462.36 | 7462.31 | 7462.02 | 7460.36 | 7458.68 | 7458.20 |
| 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 | 2025-10-27 | 2025-09-30 | 2025-07-28 | 2025-06-30 | 2025-04-28 | 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 |
|---|---|---|---|---|
| 2025-10-31 | 7462.36 | 未披露 | 定期报告 | 2025-10-27 |
| 2025-10-31 | 7462.31 | 未披露 | 定期报告 | 2025-09-30 |
| 2025-07-31 | 7462.02 | 未披露 | 定期报告 | 2025-07-28 |
| 2025-07-31 | 7460.36 | 未披露 | 定期报告 | 2025-06-30 |
| 2025-05-01 | 7458.68 | 未披露 | 定期报告 | 2025-04-28 |
| 2025-05-01 | 7458.20 | 未披露 | 定期报告 | 2025-03-31 |
| 2025-03-24 | 7458.20 | 未披露 | 定期报告 | 2025-03-07 |
| 2025-02-24 | 7458.20 | 未披露 | 定期报告 | 2025-02-10 |
| 2025-02-24 | 7442.10 | 未披露 |
更多>>
From December 31, 2023 to December 31, 2024
Issuance of non-employee director restricted stock
SSARs exercised
Issuance of stock awards
Purchases and retirement of common stock
|
2024-12-31 |
| 2024-11-07 | 7464.53 | 未披露 | 定期报告 | 2024-11-01 |
| 2024-11-07 | 7464.49 | 未披露 | 定期报告 | 2024-09-30 |
| 2024-08-08 | 7464.23 | 未披露 | 定期报告 | 2024-08-02 |
| 2024-08-08 | 7463.45 | 未披露 | 定期报告 | 2024-06-30 |
| 2024-05-03 | 7461.95 | 未披露 | 定期报告 | 2024-04-30 |
| 2024-05-03 | 7461.90 | 未披露 | 定期报告 | 2024-03-31 |
| 2024-03-25 | 7461.80 | 未披露 | 定期报告 | 2024-03-15 |
| 2024-02-27 | 7461.79 | 未披露 | 定期报告 | 2024-02-20 |
| 2024-02-27 | 7451.80 | 未披露 |
更多>>
From December 31,2022 to December 31,2023
Issuance of non-employee director restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
|
2023-12-31 |
| 2023-11-08 | 7487.99 | 未披露 | 定期报告 | 2023-11-03 |
| 2023-11-08 | 7487.98 | 未披露 | 定期报告 | 2023-09-30 |
| 2023-08-08 | 7487.97 | 未披露 | 定期报告 | 2023-08-04 |
| 2023-08-08 | 7487.64 | 未披露 | 定期报告 | 2023-06-30 |
| 2023-05-09 | 7486.42 | 未披露 | 定期报告 | 2023-05-05 |
| 2023-05-09 | 7484.62 | 未披露 | 定期报告 | 2023-03-31 |
| 2023-03-27 | 7484.62 | 未披露 | 定期报告 | 2023-03-17 |
| 2023-03-01 | 7484.59 | 未披露 | 定期报告 | 2023-02-23 |
| 2023-03-01 | 7460.08 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Issuance of non-employee director restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
|
2022-12-31 |
| 2022-11-09 | 7459.81 | 未披露 | 定期报告 | 2022-09-30 |
| 2022-08-09 | 7459.81 | 未披露 | 定期报告 | 2022-08-03 |
| 2022-08-09 | 7459.75 | 未披露 | 定期报告 | 2022-06-30 |
| 2022-05-10 | 7454.37 | 未披露 | 定期报告 | 2022-05-05 |
| 2022-05-10 | 7454.28 | 未披露 | 定期报告 | 2022-03-31 |
| 2022-03-28 | 7454.15 | 未披露 | 定期报告 | 2022-03-18 |
| 2022-02-25 | 7453.68 | 未披露 | 定期报告 | 2022-02-22 |
| 2022-02-25 | 7444.13 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
|
2021-12-31 |
| 2021-11-08 | 7483.42 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Purchases and retirement of common stock
|
2021-09-30 |
| 2021-08-06 | 7538.58 | 未披露 | 定期报告 | 2021-06-30 |
| 2021-05-07 | 7535.15 | 未披露 | 定期报告 | 2021-05-03 |
| 2021-05-07 | 7533.04 | 未披露 | 定期报告 | 2021-03-31 |
| 2021-03-22 | 7529.31 | 未披露 | 定期报告 | 2021-03-12 |
| 2021-03-01 | 7522.01 | 未披露 | 定期报告 | 2021-02-22 |
| 2021-03-01 | 7496.22 | 未披露 |
更多>>
From December 31, 2019 to December 31, 2020
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
|
2020-12-31 |
| 2020-11-09 | 7489.95 | 未披露 | 定期报告 | 2020-11-02 |
| 2020-11-09 | 7489.93 | 未披露 | 定期报告 | 2020-09-30 |
| 2020-08-07 | 7489.64 | 未披露 | 定期报告 | 2020-08-03 |
| 2020-08-07 | 7489.59 | 未披露 | 定期报告 | 2020-06-30 |
| 2020-05-08 | 7486.78 | 未披露 | 定期报告 | 2020-05-04 |
| 2020-05-08 | 7486.21 | 未披露 | 定期报告 | 2020-03-31 |
| 2020-03-30 | 7505.41 | 未披露 | 定期报告 | 2020-03-20 |
| 2020-02-28 | 7546.54 | 未披露 | 定期报告 | 2020-02-24 |
| 2020-02-28 | 7547.16 | 未披露 |
更多>>
from December 31, 2018 to December 31, 2019
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
|
2019-12-31 |
| 2019-11-08 | 7552.23 | 未披露 | 定期报告 | 2019-11-04 |
| 2019-11-08 | 7591.57 | 未披露 | 定期报告 | 2019-09-30 |
| 2019-08-09 | 7624.03 | 未披露 | 定期报告 | 2019-08-05 |
| 2019-08-09 | 7631.37 | 未披露 | 定期报告 | 2019-06-30 |
| 2019-05-09 | 7678.50 | 未披露 | 定期报告 | 2019-05-03 |
| 2019-05-09 | 7674.29 | 未披露 | 定期报告 | 2019-03-31 |
| 2019-03-25 | 7671.33 | 未披露 | 定期报告 | 2019-03-15 |
| 2019-03-01 | 7651.25 | 未披露 | 定期报告 | 2019-02-22 |
| 2019-03-01 | 7653.68 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
|
2018-12-31 |
| 2018-11-08 | 7828.42 | 未披露 | 定期报告 | 2018-11-05 |
| 2018-11-08 | 7848.18 | 未披露 | 定期报告 | 2018-09-30 |
| 2018-08-08 | 7911.87 | 未披露 | 定期报告 | 2018-08-03 |
| 2018-08-08 | 7911.76 | 未披露 | 定期报告 | 2018-06-30 |
| 2018-05-09 | 7953.98 | 未披露 | 定期报告 | 2018-05-04 |
| 2018-05-09 | 7952.56 | 未披露 | 定期报告 | 2018-03-31 |
| 2018-03-26 | 7952.34 | 未披露 | 定期报告 | 2018-03-16 |
| 2018-02-28 | 7961.49 | 未披露 | 定期报告 | 2018-02-23 |
| 2018-02-28 | 7955.38 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
|
2017-12-31 |
| 2017-11-08 | 7954.94 | 未披露 | 定期报告 | 2017-11-03 |
| 2017-11-08 | 7954.91 | 未披露 | 定期报告 | 2017-09-30 |
| 2017-08-08 | 7953.92 | 未披露 | 定期报告 | 2017-08-04 |
| 2017-08-08 | 7950.24 | 未披露 | 定期报告 | 2017-06-30 |
| 2017-05-09 | 7949.43 | 未披露 | 定期报告 | 2017-05-05 |
| 2017-05-09 | 7947.54 | 未披露 | 定期报告 | 2017-03-31 |
| 2017-03-27 | 7947.28 | 未披露 | 定期报告 | 2017-03-17 |
| 2017-02-28 | 7944.93 | 未披露 | 定期报告 | 2017-02-24 |
| 2017-02-28 | 7946.54 | 未披露 |
更多>>
From December 31, 2015 to December 31, 2016
Issuance of restricted stock
Issuance of performance award stock
SSARs exercised
Purchases and retirement of common stock
|
2016-12-31 |
| 2016-11-08 | 8026.67 | 未披露 | 定期报告 | 2016-11-04 |
| 2016-11-08 | 8026.45 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-08-09 | 8111.50 | 未披露 | 定期报告 | 2016-08-05 |
| 2016-08-09 | 8111.49 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-05-06 | 8247.42 | 未披露 | 定期报告 | 2016-04-29 |
| 2016-05-06 | 8245.81 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-03-28 | 8245.71 | 未披露 | 定期报告 | 2016-03-18 |
| 2016-02-26 | 8244.99 | 未披露 | 定期报告 | 2016-02-19 |
| 2016-02-26 | 8381.48 | 未披露 |
更多>>
from December 31, 2014 to December 31, 2015
Issuance of restricted stock
Issuance of performance award stock
SSARs exercised
Purchases and retirement of common stock
|
2015-12-31 |
| 2015-11-09 | 8551.98 | 未披露 | 定期报告 | 2015-10-30 |
| 2015-11-09 | 8586.34 | 未披露 | 定期报告 | 2015-09-30 |
| 2015-08-07 | 8714.45 | 未披露 | 定期报告 | 2015-07-31 |
| 2015-08-07 | 8714.25 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-05-07 | 8805.21 | 未披露 | 定期报告 | 2015-04-30 |
| 2015-05-07 | 8803.34 | 未披露 | 定期报告 | 2015-03-31 |
| 2015-03-23 | 8844.23 | 未披露 | 定期报告 | 2015-03-13 |
| 2015-02-27 | 8841.21 | 未披露 | 定期报告 | 2015-02-20 |
| 2015-02-27 | 8914.61 | 未披露 |
更多>>
from December 31,2013 to December 31,2014
Issuance of restricted stock
Issuance of performance award stock
SSARs exercised
Conversion of 11/4% convertible senior subordinated notes
Purchases and retirement of common stock
|
2014-12-31 |
| 2014-11-07 | 9197.84 | 未披露 | 定期报告 | 2014-10-31 |
| 2014-11-07 | 9274.71 | 未披露 |
更多>>
from December 31, 2013 to September 30, 2014
Purchases and retirement of common stock
|
2014-09-30 |
| 2014-08-08 | 9379.54 | 未披露 | 定期报告 | 2014-07-31 |
| 2014-08-08 | 9394.62 | 未披露 |
更多>>
from December 31, 2013 to June 30, 2014
Purchases and retirement of common stock
|
2014-06-30 |
| 2014-05-09 | 9392.54 | 未披露 | 定期报告 | 2014-04-30 |
| 2014-05-09 | 9391.85 | 未披露 |
更多>>
from December 31, 2013 to March 31, 2014
Purchases and retirement of common stock
|
2014-03-31 |
| 2014-03-24 | 9390.92 | 未披露 | 定期报告 | 2014-03-14 |
| 2014-02-28 | 9368.92 | 未披露 | 定期报告 | 2014-02-14 |
| 2014-02-28 | 9736.25 | 未披露 |
更多>>
from December 31,2012 to December 31,2013
Issuance of restricted stock
Issuance of performance award stock
SSARs exercised
Conversion of 11/4% convertible senior subordinated notes
Purchases and retirement of common stock
|
2013-12-31 |
| 2013-11-07 | 9735.89 | 未披露 | 定期报告 | 2013-10-31 |
| 2013-11-07 | 9735.88 | 未披露 | 定期报告 | 2013-09-30 |
| 2013-08-08 | 9734.43 | 未披露 | 定期报告 | 2013-06-30 |
| 2013-05-08 | 9731.36 | 未披露 | 定期报告 | 2013-04-30 |
| 2013-05-08 | 9725.09 | 未披露 | 定期报告 | 2013-03-31 |
| 2013-03-25 | 9723.52 | 未披露 | 定期报告 | 2013-03-15 |
| 2013-02-27 | 9703.58 | 未披露 | 定期报告 | 2013-02-15 |
| 2013-02-27 | 9681.60 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Issuance of restricted stock
Stock options and SSARs exercised
Purchases and retirement of common stock
|
2012-12-31 |
| 2012-11-07 | 9699.89 | 未披露 | 定期报告 | 2012-09-30 |
| 2012-08-07 | 9722.17 | 未披露 | 定期报告 | 2012-06-30 |
| 2012-05-09 | 9721.83 | 未披露 | 定期报告 | 2012-04-30 |
| 2012-05-09 | 9720.43 | 未披露 | 定期报告 | 2012-03-31 |
| 2012-02-27 | 9719.47 | 未披露 |
更多>>
from Dec 31,2010 to Dec 31,2011
Issuance of restricted stock
Issuance of performance award stock
Stock options and SSARs exercised
Conversion of 13/4% convertible senior subordinated notes
|
2011-12-31 |
| 2011-11-04 | 9718.73 | 未披露 | 定期报告 | 2011-10-31 |
| 2011-11-04 | 9718.69 | 未披露 | 定期报告 | 2011-09-30 |
| 2011-08-05 | 9647.28 | 未披露 | 定期报告 | 2011-07-31 |
| 2011-08-05 | 9483.00 | 未披露 | 定期报告 | 2011-06-30 |
| 2011-05-06 | 9480.70 | 未披露 | 定期报告 | 2011-04-30 |
| 2011-05-06 | 9478.71 | 未披露 | 定期报告 | 2011-03-31 |
| 2011-02-25 | 9441.25 | 未披露 | 定期报告 | 2011-02-12 |
| 2011-02-25 | 9314.35 | 未披露 |
更多>>
from dec 31 2009 to dec 31 2010
Issuance of restricted stock
Issuance of performance award stock
Stock options and SSARs exercised
Conversion of 13/4% convertible senior subordinated notes
|
2010-12-31 |
| 2010-11-05 | 9304.58 | 未披露 | 定期报告 | 2010-10-31 |
| 2010-11-05 | 9304.41 | 未披露 | 定期报告 | 2010-09-30 |
| 2010-08-06 | 9303.31 | 未披露 | 定期报告 | 2010-07-31 |
| 2010-08-06 | 9303.15 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-05-07 | 9302.85 | 未披露 | 定期报告 | 2010-04-30 |
| 2010-05-07 | 9299.58 | 未披露 | 定期报告 | 2010-03-31 |
| 2010-02-26 | 9245.37 | 未披露 | 定期报告 | 2010-02-12 |
| 2010-02-26 | 9245.37 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Issuance of restricted stock
Issuance of performance award stock
Stock options and SSARs exercised
|
2009-12-31 |
| 2009-02-27 | 9184.42 | 未披露 |
更多>>
from December 31, 2007 to December 31, 2008
Issuance of restricted stock
Issuance of performance award stock
Stock options and SSARs exercised
|
2008-12-31 |
| 2008-02-29 | 9161.19 | 未披露 | 定期报告 | 2008-02-15 |
| 2008-02-29 | 9160.99 | 未披露 |
更多>>
from December 31, 2006 to December 31, 2007
Issuance of restricted stock
Stock options and SSARs exercised
|
2007-12-31 |
| 2007-03-01 | 9133.43 | 未披露 | 定期报告 | 2007-02-16 |
| 2007-03-01 | 9117.79 | 未披露 |
更多>>
from January 1, 2006 to December 31, 2006
Issuance of restricted stock
Stock options exercised
|
2006-12-31 |
| 2006-03-13 | 9053.41 | 未披露 | 定期报告 | 2006-03-06 |
| 2006-03-13 | 9050.82 | 未披露 |
更多>>
from December 31, 2004 to December 31, 2005
Issuance of restricted stock
Stock options exercised
|
2005-12-31 |
| 2005-03-16 | 9039.43 | 未披露 |
更多>>
from December 31, 2003 to December 31, 2004
Issuance of common stock, net of offering expenses
Issuance of restricted stock
Stock options exercised
|
2004-12-31 |
| 2005-03-16 | 9024.09 | 未披露 | 定期报告 | 2004-06-30 |
| 2004-03-15 | 7540.97 | 未披露 |
更多>>
from December 31, 2002 to December 31, 2003
Issuance of restricted stock
Stock options exercised
|
2003-12-31 |
| 2004-03-15 | 7521.85 | 未披露 | 定期报告 | 2003-06-30 |
| 2003-03-17 | 7519.73 | 未披露 |
更多>>
from December 31, 2001 to December 31, 2002
Issuance of common stock, net of offering expenses
Issuance of restricted stock
Stock options exercised
|
2002-12-31 |
| 2003-03-17 | 7455.02 | 未披露 | 定期报告 | 2002-06-30 |
| 2002-03-29 | 7414.78 | 未披露 | 定期报告 | 2002-03-15 |
| 2002-03-29 | 7231.11 | 未披露 |
更多>>
from December 31, 2000 to December 31, 2001
Issuance of preferred shares
Conversion of preferred shares into common stock
Issuance of common stock, net of offering expenses
Issuance of restricted stock
Stock options exercised
|
2001-12-31 |
| 2001-04-02 | 5959.18 | 未披露 | 定期报告 | 2001-03-12 |
| 2001-04-02 | 5958.94 | 未披露 |
更多>>
from December 31, 1999 to December 31, 2000
Forfeitures of restricted stock
Stock options exercised
|
2000-12-31 |
| 2000-03-28 | 5958.78 | 未披露 | 定期报告 | 2000-03-06 |
| 2000-03-28 | 5957.96 | 未披露 |
更多>>
from December 31, 1998 to December 31, 1999
Issuance of restricted stock
Stock options exercised
|
1999-12-31 |
| 1999-03-31 | 5953.59 | 未披露 |
更多>>
from December 31, 1997 to December 31, 1998
Repurchases of common stock
Stock options exercised
|
1998-12-31 |
| 1998-03-31 | 6299.13 | 未披露 | 定期报告 | 1998-03-10 |
| 1998-03-31 | 6297.24 | 未披露 |
更多>>
from December 31, 1996 to December 31, 1997
Issuance of common stock, net of offering expenses
Issuance of restricted stock
Stock options exercised
|
1997-12-31 |
| 1997-03-28 | 6245.89 | 未披露 | 定期报告 | 1997-03-14 |
| 1997-03-28 | 5726.02 | 未披露 |
更多>>
from December 31, 1995 to December 31, 1996
Issuance of restricted stock
Conversions of subordinated debentures into common stock
Stock options exercised
|
1996-12-31 |
| 1997-03-28 | 5055.70 | 未披露 |
更多>>
from December 31, 1994 to December 31, 1995
Issuance of restricted stock
Two-for-one common stock split
Conversions of subordinated debentures into common stock
Conversions of preferred stock into common stock
Stock options exercised
Conversions of preferred stock into subordinated debentures
Conversions of preferred stock into common stock
|
1995-12-31 |
From December 31, 2023 to December 31, 2024
Issuance of non-employee director restricted stock
SSARs exercised
Issuance of stock awards
Purchases and retirement of common stock
From December 31,2022 to December 31,2023
Issuance of non-employee director restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
From December 31, 2021 to December 31, 2022
Issuance of non-employee director restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
From December 31, 2020 to December 31, 2021
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
From June 30, 2021 to September 30, 2021
Purchases and retirement of common stock
From December 31, 2019 to December 31, 2020
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
from December 31, 2018 to December 31, 2019
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
from December 31, 2017 to December 31, 2018
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
from December 31, 2016 to December 31, 2017
Issuance of restricted stock
Issuance of stock awards
SSARs exercised
Purchases and retirement of common stock
From December 31, 2015 to December 31, 2016
Issuance of restricted stock
Issuance of performance award stock
SSARs exercised
Purchases and retirement of common stock
from December 31, 2014 to December 31, 2015
Issuance of restricted stock
Issuance of performance award stock
SSARs exercised
Purchases and retirement of common stock
from December 31,2013 to December 31,2014
Issuance of restricted stock
Issuance of performance award stock
SSARs exercised
Conversion of 11/4% convertible senior subordinated notes
Purchases and retirement of common stock
from December 31, 2013 to September 30, 2014
Purchases and retirement of common stock
from December 31, 2013 to June 30, 2014
Purchases and retirement of common stock
from December 31, 2013 to March 31, 2014
Purchases and retirement of common stock
from December 31,2012 to December 31,2013
Issuance of restricted stock
Issuance of performance award stock
SSARs exercised
Conversion of 11/4% convertible senior subordinated notes
Purchases and retirement of common stock
from December 31, 2011 to December 31, 2012
Issuance of restricted stock
Stock options and SSARs exercised
Purchases and retirement of common stock
from Dec 31,2010 to Dec 31,2011
Issuance of restricted stock
Issuance of performance award stock
Stock options and SSARs exercised
Conversion of 13/4% convertible senior subordinated notes
from dec 31 2009 to dec 31 2010
Issuance of restricted stock
Issuance of performance award stock
Stock options and SSARs exercised
Conversion of 13/4% convertible senior subordinated notes
from December 31, 2008 to December 31, 2009
Issuance of restricted stock
Issuance of performance award stock
Stock options and SSARs exercised
from December 31, 2007 to December 31, 2008
Issuance of restricted stock
Issuance of performance award stock
Stock options and SSARs exercised
from December 31, 2006 to December 31, 2007
Issuance of restricted stock
Stock options and SSARs exercised
from January 1, 2006 to December 31, 2006
Issuance of restricted stock
Stock options exercised
from December 31, 2004 to December 31, 2005
Issuance of restricted stock
Stock options exercised
from December 31, 2003 to December 31, 2004
Issuance of common stock, net of offering expenses
Issuance of restricted stock
Stock options exercised
from December 31, 2002 to December 31, 2003
Issuance of restricted stock
Stock options exercised
from December 31, 2001 to December 31, 2002
Issuance of common stock, net of offering expenses
Issuance of restricted stock
Stock options exercised
from December 31, 2000 to December 31, 2001
Issuance of preferred shares
Conversion of preferred shares into common stock
Issuance of common stock, net of offering expenses
Issuance of restricted stock
Stock options exercised
from December 31, 1999 to December 31, 2000
Forfeitures of restricted stock
Stock options exercised
from December 31, 1998 to December 31, 1999
Issuance of restricted stock
Stock options exercised
from December 31, 1997 to December 31, 1998
Repurchases of common stock
Stock options exercised
from December 31, 1996 to December 31, 1997
Issuance of common stock, net of offering expenses
Issuance of restricted stock
Stock options exercised
from December 31, 1995 to December 31, 1996
Issuance of restricted stock
Conversions of subordinated debentures into common stock
Stock options exercised
from December 31, 1994 to December 31, 1995
Issuance of restricted stock
Two-for-one common stock split
Conversions of subordinated debentures into common stock
Conversions of preferred stock into common stock
Stock options exercised
Conversions of preferred stock into subordinated debentures
Conversions of preferred stock into common stock