股本结构
单位：万股
| 公告日期 | 2024-03-27 | 2024-03-27 | 2023-11-27 | 2023-11-03 | 2023-08-10 | 2023-08-10 |
|---|---|---|---|---|---|---|
| 证券总股本 | 1216.47 | 1216.62 | 1220.00 | 1216.13 | 1215.75 | 1214.67 |
| 普通股本 | 1216.47 | 1216.62 | 1220.00 | 1216.13 | 1215.75 | 1214.67 |
| 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 | 2024-03-01 | 2023-12-31 | 2023-10-31 | 2023-09-30 | 2023-07-31 | 2023-06-30 |
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 |
|---|---|---|---|---|
| 2024-03-27 | 1216.47 | 未披露 | 定期报告 | 2024-03-01 |
| 2024-03-27 | 1216.62 | 未披露 |
更多>>
From December 31, 2022 to December 31, 2023
Stock options exercised
Shares issued pursuant to At-the-Market Offering
Forfeiture of unvested shares of restricted stock
Shares surrendered to satisfy tax liability at vesting of stock-based awards
Issuance of unvested shares of restricted stock
Issuance of additional shares of restricted sock related to performance-based awards which vested in the period
Shares issued under Employee Stock Purchase Plan
|
2023-12-31 |
| 2023-11-27 | 1220.00 | 未披露 | 定期报告 | 2023-10-31 |
| 2023-11-03 | 1216.13 | 未披露 | 定期报告 | 2023-09-30 |
| 2023-08-10 | 1215.75 | 未披露 | 定期报告 | 2023-07-31 |
| 2023-08-10 | 1214.67 | 未披露 |
更多>>
From March 31,2023 to June 30,2023
Issuance of unvested shares of restricted stock
Stock options exercised
Shares issued under Employee Stock Purchase Plan
Shares surrendered to satisfy tax liability at vesting of stock-based awards
|
2023-06-30 |
| 2023-05-11 | 1113.14 | 未披露 | 定期报告 | 2023-05-01 |
| 2023-04-27 | 1113.36 | 未披露 | 定期报告 | 2023-04-24 |
| 2023-05-11 | 1113.18 | 未披露 |
更多>>
From January 1, 2023 to March 31, 2023
Shares issued under Employee Stock Purchase Plan
Issuance of unvested shares of restricted stock
Stock options exercised
Forfeiture of unvested shares of restricted stock
Shares surrendered by employees to satisfy tax liability at vesting of stock-based awards
|
2023-03-31 |
| 2023-03-22 | 1112.14 | 未披露 | 定期报告 | 2023-03-15 |
| 2023-03-22 | 1102.90 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Stock options exercised
Shares issued under Employee Stock Purchase Plan
|
2022-12-31 |
| 2022-11-14 | 1102.29 | 未披露 | 定期报告 | 2022-10-31 |
| 2022-11-14 | 1102.36 | 未披露 |
更多>>
From June 30, 2022 to September 30, 2022
Forfeiture of unvested shares of restricted stock
Stock options exercised
Shares issued under Employee Stock Purchase Plan
|
2022-09-30 |
| 2022-08-11 | 1102.04 | 未披露 | 定期报告 | 2022-07-31 |
| 2022-08-11 | 1101.44 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Issuance of unvested shares of restricted stock
Shares issued under Employee Stock Purchase Plan
Shares redeemed into treasury stock
|
2022-06-30 |
| 2022-05-16 | 1100.52 | 未披露 | 定期报告 | 2022-05-02 |
| 2022-05-16 | 1096.21 | 未披露 |
更多>>
From January 1, 2022 to March 31, 2022
Issuance of unvested shares of restricted stock
Shares issued under Employee Stock Purchase Plan
|
2022-03-31 |
| 2022-03-23 | 1095.69 | 未披露 | 定期报告 | 2022-03-15 |
| 2022-03-23 | 1087.74 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Stock options exercised
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Shares issued under Employee Stock Purchase Plan
|
2021-12-31 |
| 2021-11-12 | 1087.34 | 未披露 | 定期报告 | 2021-11-03 |
| 2021-11-12 | 1078.62 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Stock options exercised
|
2021-09-30 |
| 2021-08-12 | 1078.28 | 未披露 |
更多>>
From March 31, 2021 to June 30, 2021
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Stock options exercised
|
2021-06-30 |
| 2021-05-13 | 1074.71 | 未披露 | 定期报告 | 2021-04-30 |
| 2021-05-13 | 1071.03 | 未披露 |
更多>>
From January 1, 2021 To March 31, 2021
Issuance of unvested shares of restricted stock
Stock options exercised
|
2021-03-31 |
| 2021-03-23 | 1070.31 | 未披露 | 定期报告 | 2021-03-15 |
| 2020-11-12 | 1052.91 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2020
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
|
2020-09-30 |
| 2020-08-12 | 1043.96 | 未披露 | 定期报告 | 2020-07-31 |
| 2020-08-12 | 1042.61 | 未披露 |
更多>>
From March 31, 2020 to June 30, 2020
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
|
2020-06-30 |
| 2020-05-13 | 1043.28 | 未披露 | 定期报告 | 2020-04-30 |
| 2020-05-13 | 1041.70 | 未披露 |
更多>>
From January 1, 2020 to March 31, 2020
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2020-03-31 |
| 2020-03-23 | 1042.98 | 未披露 | 定期报告 | 2020-03-16 |
| 2020-03-23 | 1038.09 | 未披露 |
更多>>
From December 31, 2018 to December 31, 2019
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2019-12-31 |
| 2019-11-13 | 1049.48 | 未披露 | 定期报告 | 2019-10-31 |
| 2019-11-13 | 1057.11 | 未披露 |
更多>>
From June 30, 2019 to September 30, 2019
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2019-09-30 |
| 2019-08-13 | 1061.02 | 未披露 | 定期报告 | 2019-07-31 |
| 2019-08-13 | 1059.33 | 未披露 |
更多>>
From March 31, 2019 to June 30, 2019
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
|
2019-06-30 |
| 2019-04-30 | 1056.57 | 未披露 | 定期报告 | 2019-04-26 |
| 2019-05-15 | 1057.03 | 未披露 |
更多>>
From January 1, 2019 to March 31, 2019
Issuance of unvested shares of restricted stock
|
2019-03-31 |
| 2019-03-26 | 1057.03 | 未披露 | 定期报告 | 2019-03-15 |
| 2018-11-13 | 1049.00 | 未披露 |
更多>>
From January 1, 2018 to September 30, 2018
Issuance of unvested shares of restricted stock
|
2018-09-30 |
| 2018-08-13 | 1049.00 | 未披露 | 定期报告 | 2018-07-31 |
| 2018-08-13 | 1048.55 | 未披露 |
更多>>
From January 1, 2018 to June 30, 2018
Issuance of unvested shares of restricted stock
|
2018-06-30 |
| 2018-05-14 | 1047.36 | 未披露 |
更多>>
From January 1, 2018 to March 31, 2018
Issuance of unvested shares of restricted stock
|
2018-03-31 |
| 2018-03-28 | 1047.36 | 未披露 | 定期报告 | 2018-03-16 |
| 2018-03-28 | 1039.44 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2017-12-31 |
| 2017-11-14 | 1041.31 | 未披露 | 定期报告 | 2017-10-31 |
| 2017-11-14 | 1041.11 | 未披露 |
更多>>
from January 1, 2017 to September 30, 2017
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2017-09-30 |
| 2017-05-12 | 1040.21 | 未披露 |
更多>>
from January 1, 2017 to March 31, 2017
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2017-03-31 |
| 2017-03-27 | 1040.21 | 未披露 | 定期报告 | 2017-03-17 |
| 2017-03-27 | 1036.09 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2016-12-31 |
| 2016-11-14 | 1037.68 | 未披露 | 定期报告 | 2016-10-31 |
| 2016-11-14 | 1039.35 | 未披露 |
更多>>
from January 1, 2016 to September 30, 2016
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2016-09-30 |
| 2016-08-12 | 1038.95 | 未披露 |
更多>>
from January 1, 2016 to June 30, 2016
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2016-06-30 |
| 2016-05-13 | 1042.53 | 未披露 | 定期报告 | 2016-04-29 |
| 2016-05-13 | 1046.56 | 未披露 |
更多>>
from January 1, 2016 to March 31, 2016
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2016-03-31 |
| 2016-03-29 | 1049.52 | 未披露 | 定期报告 | 2016-03-18 |
| 2016-03-29 | 1051.63 | 未披露 |
更多>>
from December 31, 2014 to December 31, 2015
Forfeiture of unvested shares of restricted stock
Repurchase and retirement of common stock
|
2015-12-31 |
| 2014-11-13 | 1056.27 | 未披露 |
更多>>
from January 1, 2014 to September 30, 2014
Forfeiture of non-vested shares of restricted stock
Issuance of non-vested shares of restricted stock
|
2014-09-30 |
| 2014-05-14 | 1055.27 | 未披露 |
更多>>
from January 1, 2014 to March 31, 2014
Forfeiture of non-vested shares of restricted stock
|
2014-03-31 |
| 2014-03-27 | 1055.77 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Issuance of non-vested
shares of restricted stock
Stock options exercised
|
2013-12-31 |
| 2013-08-12 | 1047.27 | 未披露 |
更多>>
from January 1, 2013 to April 30, 2013
Issuance of non-vested shares of restricted stock
Stock options exercised
|
2013-04-30 |
| 2013-05-15 | 1045.02 | 未披露 |
更多>>
from January 1, 2013 to March 15, 2013
Issuance of non-vested shares of restricted stock
Stock options exercised
|
2013-03-15 |
| 2013-03-29 | 1042.02 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Forfeiture of non-vested shares of restricted stock
Issuance of 43,251 shares to satisfy profit sharing expense
|
2012-12-31 |
| 2012-11-14 | 1042.52 | 未披露 | 定期报告 | 2012-10-31 |
| 2012-11-14 | 1043.02 | 未披露 |
更多>>
from January 1, 2012 to July 31,2012
Issuance of 43,251 shares to satisfy profit sharing liability
|
2012-07-31 |
| 2012-08-10 | 1040.81 | 未披露 |
更多>>
from January 1, 2012 to April 27, 2012
Issuance of 21,127 shares to satisfy profit sharing liability
|
2012-04-27 |
| 2011-08-12 | 1038.69 | 未披露 |
更多>>
from December 31, 2010 to July 31, 2011
Stock options exercised
Forfeiture of non-vested shares of restricted stock
|
2011-07-31 |
| 2011-08-12 | 1036.46 | 未披露 |
更多>>
from January 1, 2011 to June 30, 2011
Stock options exercised
Forfeiture of non-vested shares of restricted stock
|
2011-06-30 |
| 2011-05-13 | 1034.42 | 未披露 |
更多>>
from January 1, 2011 to March 15, 2011
Stock options exercised
Forfeiture of non-vested shares of restricted stock
|
2011-03-15 |
| 2010-11-12 | 1034.55 | 未披露 |
更多>>
from January 1, 2010 to July 31, 2010
Issuance of non-vested shares of restricted stock
Forfeiture of non-vested shares of restricted stock
|
2010-07-31 |
| 2010-07-09 | 1030.15 | 未披露 | 定期报告 | 2010-07-02 |
| 2010-08-13 | 1031.52 | 未披露 |
更多>>
from January 1, 2010 to June 30, 2010
Issuance of non-vested shares of restricted stock
Forfeiture of non-vested shares of restricted stock
|
2010-06-30 |
| 2010-05-14 | 1030.15 | 未披露 |
更多>>
from January 1, 2010 to March 31, 2010
Issuance of non-vested shares of restricted stock
Forfeiture of non-vested shares of restricted stock
|
2010-03-31 |
| 2010-03-31 | 1030.15 | 未披露 | 定期报告 | 2010-03-15 |
| 2010-03-31 | 1005.40 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Forfeiture of non-vested shares of restricted stock
|
2009-12-31 |
| 2009-07-10 | 1005.77 | 未披露 | 定期报告 | 2009-06-15 |
| 2009-07-10 | 1006.97 | 未披露 |
更多>>
from December 31, 2007 to December 31, 2008
Forfeiture of non-vested shares of restricted stock
Issuance of common stock in connection with Acquisition
|
2008-12-31 |
| 2008-03-31 | 952.72 | 未披露 |
更多>>
from December 31, 2006 to December 31, 2007
Options exercised
Issuance of non-vested shares of restricted stock
Forfeiture of non-vested shares of restricted stock
Issuance of 72,751 shares of treasury stock to satisfy profit sharing liability
|
2007-12-31 |
| 2007-03-30 | 938.96 | 未披露 | 定期报告 | 2007-03-16 |
| 2007-03-30 | 929.87 | 未披露 |
更多>>
from December 31, 2005 to December 31, 2006
Stock options exercised
Issuance of 72,527 shares of Treasury stock to satisfy profit sharing liability
|
2006-12-31 |
| 2006-03-31 | 919.82 | 未披露 | 定期报告 | 2006-03-17 |
| 2006-03-31 | 917.57 | 未披露 |
更多>>
from December 31, 2004 to December 31, 2005
Deferred stock compensation related to issuance of restricted stock
Elimination of deferred stock compensation related to restricted stock forfeited
Stock options exercised
Issuance of shares in connection with acquisition of Intestlogic
Issuance of 91,071 shares of treasury stock to satisfy profit sharing liability
|
2005-12-31 |
| 2005-03-31 | 905.87 | 未披露 | 定期报告 | 2005-03-15 |
| 2005-03-31 | 892.45 | 未披露 |
更多>>
from December 31, 2003 to December 31, 2004
Stock options exercised
Issuance of shares in connection with acquisition of Intestlogic
Deferred stock compensation related to issuance of restricted stock
|
2004-12-31 |
| 2004-03-30 | 856.29 | 未披露 | 定期报告 | 2004-03-15 |
| 2004-03-30 | 836.19 | 未披露 |
更多>>
from December 31, 2002 to December 31, 2003
Stock options exercised
|
2003-12-31 |
| 2003-03-31 | 832.44 | 未披露 |
更多>>
from December 31, 2001 to December 31, 2002
Stock options exercised
Adjustment for termination of Equity Participation Plan
|
2002-12-31 |
| 2002-04-01 | 868.52 | 未披露 | 定期报告 | 2002-03-15 |
| 2002-04-01 | 830.92 | 未披露 |
更多>>
from December 31, 2000 to December 31, 2001
Stock options exercised
Acquisition and retirement of treasury stock
Cancellation of escrow shares
Termination of Equity Participation Plan and acquisition of treasury stock
|
2001-12-31 |
| 2001-03-30 | 865.68 | 未披露 | 定期报告 | 2001-03-15 |
| 2001-03-30 | 865.85 | 未披露 |
更多>>
from December 31, 1999 to December 31, 2000
Stock options exercised
Retirement of treasury stock
|
2000-12-31 |
| 2000-03-30 | 858.28 | 未披露 | 定期报告 | 2000-03-22 |
| 1999-03-26 | 653.60 | 未披露 |
更多>>
from December 31, 1997 to December 31, 1998
Issuance of common stock in connection with Acquisition
|
1998-12-31 |
| 1998-03-30 | 591.10 | 未披露 |
更多>>
from December 31, 1996 to December 31, 1997
Issuance of common stock, net
Acquisition of minority interest
|
1997-12-31 |
From December 31, 2022 to December 31, 2023
Stock options exercised
Shares issued pursuant to At-the-Market Offering
Forfeiture of unvested shares of restricted stock
Shares surrendered to satisfy tax liability at vesting of stock-based awards
Issuance of unvested shares of restricted stock
Issuance of additional shares of restricted sock related to performance-based awards which vested in the period
Shares issued under Employee Stock Purchase Plan
From March 31,2023 to June 30,2023
Issuance of unvested shares of restricted stock
Stock options exercised
Shares issued under Employee Stock Purchase Plan
Shares surrendered to satisfy tax liability at vesting of stock-based awards
From January 1, 2023 to March 31, 2023
Shares issued under Employee Stock Purchase Plan
Issuance of unvested shares of restricted stock
Stock options exercised
Forfeiture of unvested shares of restricted stock
Shares surrendered by employees to satisfy tax liability at vesting of stock-based awards
From December 31, 2021 to December 31, 2022
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Stock options exercised
Shares issued under Employee Stock Purchase Plan
From June 30, 2022 to September 30, 2022
Forfeiture of unvested shares of restricted stock
Stock options exercised
Shares issued under Employee Stock Purchase Plan
From March 31, 2022 to June 30, 2022
Issuance of unvested shares of restricted stock
Shares issued under Employee Stock Purchase Plan
Shares redeemed into treasury stock
From January 1, 2022 to March 31, 2022
Issuance of unvested shares of restricted stock
Shares issued under Employee Stock Purchase Plan
From December 31, 2020 to December 31, 2021
Stock options exercised
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Shares issued under Employee Stock Purchase Plan
From June 30, 2021 to September 30, 2021
Stock options exercised
From March 31, 2021 to June 30, 2021
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Stock options exercised
From January 1, 2021 To March 31, 2021
Issuance of unvested shares of restricted stock
Stock options exercised
From June 30, 2020 to September 30, 2020
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
From March 31, 2020 to June 30, 2020
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
From January 1, 2020 to March 31, 2020
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Repurchase and retirement of common stock
From December 31, 2018 to December 31, 2019
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Repurchase and retirement of common stock
From June 30, 2019 to September 30, 2019
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
From March 31, 2019 to June 30, 2019
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
From January 1, 2019 to March 31, 2019
Issuance of unvested shares of restricted stock
From January 1, 2018 to September 30, 2018
Issuance of unvested shares of restricted stock
From January 1, 2018 to June 30, 2018
Issuance of unvested shares of restricted stock
From January 1, 2018 to March 31, 2018
Issuance of unvested shares of restricted stock
from December 31, 2016 to December 31, 2017
Issuance of unvested shares of restricted stock
Forfeiture of unvested shares of restricted stock
Repurchase and retirement of common stock
from January 1, 2017 to September 30, 2017
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
from January 1, 2017 to March 31, 2017
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
from December 31, 2015 to December 31, 2016
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
from January 1, 2016 to September 30, 2016
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
from January 1, 2016 to June 30, 2016
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
from January 1, 2016 to March 31, 2016
Issuance of unvested shares of restricted stock
Repurchase and retirement of common stock
from December 31, 2014 to December 31, 2015
Forfeiture of unvested shares of restricted stock
Repurchase and retirement of common stock
from January 1, 2014 to September 30, 2014
Forfeiture of non-vested shares of restricted stock
Issuance of non-vested shares of restricted stock
from January 1, 2014 to March 31, 2014
Forfeiture of non-vested shares of restricted stock
from December 31, 2012 to December 31, 2013
Issuance of non-vested
shares of restricted stock
Stock options exercised
from January 1, 2013 to April 30, 2013
Issuance of non-vested shares of restricted stock
Stock options exercised
from January 1, 2013 to March 15, 2013
Issuance of non-vested shares of restricted stock
Stock options exercised
from December 31, 2011 to December 31, 2012
Forfeiture of non-vested shares of restricted stock
Issuance of 43,251 shares to satisfy profit sharing expense
from January 1, 2012 to July 31,2012
Issuance of 43,251 shares to satisfy profit sharing liability
from January 1, 2012 to April 27, 2012
Issuance of 21,127 shares to satisfy profit sharing liability
from December 31, 2010 to July 31, 2011
Stock options exercised
Forfeiture of non-vested shares of restricted stock
from January 1, 2011 to June 30, 2011
Stock options exercised
Forfeiture of non-vested shares of restricted stock
from January 1, 2011 to March 15, 2011
Stock options exercised
Forfeiture of non-vested shares of restricted stock
from January 1, 2010 to July 31, 2010
Issuance of non-vested shares of restricted stock
Forfeiture of non-vested shares of restricted stock
from January 1, 2010 to June 30, 2010
Issuance of non-vested shares of restricted stock
Forfeiture of non-vested shares of restricted stock
from January 1, 2010 to March 31, 2010
Issuance of non-vested shares of restricted stock
Forfeiture of non-vested shares of restricted stock
from December 31, 2008 to December 31, 2009
Forfeiture of non-vested shares of restricted stock
from December 31, 2007 to December 31, 2008
Forfeiture of non-vested shares of restricted stock
Issuance of common stock in connection with Acquisition
from December 31, 2006 to December 31, 2007
Options exercised
Issuance of non-vested shares of restricted stock
Forfeiture of non-vested shares of restricted stock
Issuance of 72,751 shares of treasury stock to satisfy profit sharing liability
from December 31, 2005 to December 31, 2006
Stock options exercised
Issuance of 72,527 shares of Treasury stock to satisfy profit sharing liability
from December 31, 2004 to December 31, 2005
Deferred stock compensation related to issuance of restricted stock
Elimination of deferred stock compensation related to restricted stock forfeited
Stock options exercised
Issuance of shares in connection with acquisition of Intestlogic
Issuance of 91,071 shares of treasury stock to satisfy profit sharing liability
from December 31, 2003 to December 31, 2004
Stock options exercised
Issuance of shares in connection with acquisition of Intestlogic
Deferred stock compensation related to issuance of restricted stock
from December 31, 2002 to December 31, 2003
Stock options exercised
from December 31, 2001 to December 31, 2002
Stock options exercised
Adjustment for termination of Equity Participation Plan
from December 31, 2000 to December 31, 2001
Stock options exercised
Acquisition and retirement of treasury stock
Cancellation of escrow shares
Termination of Equity Participation Plan and acquisition of treasury stock
from December 31, 1999 to December 31, 2000
Stock options exercised
Retirement of treasury stock
from December 31, 1997 to December 31, 1998
Issuance of common stock in connection with Acquisition
from December 31, 1996 to December 31, 1997
Issuance of common stock, net
Acquisition of minority interest