股本结构
单位：万股
| 公告日期 | 2026-11-06 | 2026-11-06 | 2026-08-07 | 2026-08-07 | 2026-05-07 | 2026-05-07 |
|---|---|---|---|---|---|---|
| 证券总股本 | 966.16 | 962.60 | 955.10 | 953.10 | 953.22 | 953.20 |
| 普通股本 | 966.16 | 962.60 | 955.10 | 953.10 | 953.22 | 953.20 |
| 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 | 2026-10-26 | 2026-09-30 | 2026-07-27 | 2026-06-30 | 2026-04-27 | 2026-03-31 |
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 |
|---|---|---|---|---|
| 2026-11-06 | 966.16 | 未披露 | 定期报告 | 2026-10-26 |
| 2026-11-06 | 962.60 | 未披露 |
更多>>
From June 30, 2026 to September 30, 2026
Restricted stock forfeited
Stock options exercised, net of shares withheld for employee taxes and strike price
Issuance of restricted stock
Net share settlement of restricted stock
|
2026-09-30 |
| 2026-08-07 | 955.10 | 未披露 | 定期报告 | 2026-07-27 |
| 2026-08-07 | 953.10 | 未披露 |
更多>>
From March 31,2026 to June 30,2026
Restricted stock forfeited
Stock options exercised, net of shares withheld for employee taxes and strike price
|
2026-06-30 |
| 2026-05-07 | 953.22 | 未披露 | 定期报告 | 2026-04-27 |
| 2026-05-07 | 953.20 | 未披露 |
更多>>
From January 1, 2026 to March 31, 2026
Stock options exercised, net of shares withheld for employee taxes and strike price
Restricted stock forfeited
Shares purchased and retired
|
2026-03-31 |
| 2026-04-02 | 953.12 | 未披露 | 定期报告 | 2026-03-13 |
| 2026-03-13 | 953.15 | 未披露 | 定期报告 | 2026-03-01 |
| 2026-03-13 | 953.22 | 未披露 |
更多>>
From December 31, 2024 to December 31, 2025
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
Issuance of restricted stock
Net share settlement of restricted stock
Restricted stock forfeited
Shares purchased and retired
|
2025-12-31 |
| 2025-11-07 | 954.84 | 未披露 | 定期报告 | 2025-10-27 |
| 2025-08-07 | 953.94 | 未披露 | 定期报告 | 2025-07-28 |
| 2025-08-07 | 953.90 | 未披露 |
更多>>
From March 31, 2025 to June 30, 2025
Shares purchased and retired
|
2025-06-30 |
| 2025-05-09 | 957.87 | 未披露 | 定期报告 | 2025-04-28 |
| 2025-04-04 | 963.88 | 未披露 | 定期报告 | 2025-03-14 |
| 2025-03-14 | 964.34 | 未披露 | 定期报告 | 2025-03-01 |
| 2025-03-14 | 964.26 | 未披露 |
更多>>
From December 31, 2023 to December 31, 2024
Issuance of restricted stock
Shares purchased and retired
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
|
2024-12-31 |
| 2024-11-08 | 955.93 | 未披露 | 定期报告 | 2024-10-28 |
| 2024-08-08 | 949.07 | 未披露 | 定期报告 | 2024-07-31 |
| 2024-05-09 | 949.99 | 未披露 | 定期报告 | 2024-04-29 |
| 2024-04-05 | 950.73 | 未披露 | 定期报告 | 2024-03-15 |
| 2024-03-14 | 950.74 | 未披露 | 定期报告 | 2024-03-01 |
| 2024-03-14 | 949.67 | 未披露 |
更多>>
From December 31, 2022 to December 31, 2023
Restricted stock forfeited
Issuance of restricted stock
Shares purchased and retired
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
|
2023-12-31 |
| 2023-11-09 | 949.76 | 未披露 | 定期报告 | 2023-10-27 |
| 2023-08-09 | 952.09 | 未披露 | 定期报告 | 2023-07-31 |
| 2023-08-09 | 952.90 | 未披露 |
更多>>
From March 31, 2023 to June 30, 2023
Shares purchased and retired
Stock options exercised, net of shares withheld for employee taxes and strike price
|
2023-06-30 |
| 2023-05-10 | 950.94 | 未披露 | 定期报告 | 2023-04-24 |
| 2023-05-10 | 952.30 | 未披露 |
更多>>
From December 31, 2022 to March 31, 2023
Stock options exercised, net of shares withheld for employee taxes and strike price
Shares purchased and retired
|
2023-03-31 |
| 2023-04-06 | 953.77 | 未披露 | 定期报告 | 2023-03-17 |
| 2023-03-13 | 954.63 | 未披露 | 定期报告 | 2023-03-01 |
| 2023-03-13 | 958.43 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Issuance of restricted stock
Shares purchased and retired
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
|
2022-12-31 |
| 2022-11-07 | 962.22 | 未披露 | 定期报告 | 2022-10-28 |
| 2022-11-07 | 962.10 | 未披露 |
更多>>
From June 30, 2022 to September 30, 2022
Stock option exercised, net of shares withheld for emloyee taxes and strike price
Issuance of restricted stock
Shares purchased and retired
|
2022-09-30 |
| 2022-08-08 | 959.09 | 未披露 | 定期报告 | 2022-07-31 |
| 2022-08-08 | 962.00 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Stock option exercised, net of shares withheld for emloyee taxes and strike price
Shares purchased and retired
|
2022-06-30 |
| 2022-05-09 | 963.54 | 未披露 | 定期报告 | 2022-04-22 |
| 2022-04-04 | 965.06 | 未披露 | 定期报告 | 2022-03-18 |
| 2022-03-11 | 966.48 | 未披露 | 定期报告 | 2022-03-01 |
| 2022-03-11 | 970.87 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Issuance of restricted stock
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
|
2021-12-31 |
| 2021-11-09 | 975.04 | 未披露 | 定期报告 | 2021-10-29 |
| 2021-08-09 | 971.37 | 未披露 | 定期报告 | 2021-07-30 |
| 2021-05-10 | 973.55 | 未披露 | 定期报告 | 2021-04-23 |
| 2021-05-10 | 973.50 | 未披露 |
更多>>
From December 31, 2020 to March 31, 2021
Shares purchased and retired
|
2021-03-31 |
| 2021-04-05 | 973.29 | 未披露 | 定期报告 | 2021-03-19 |
| 2021-03-12 | 973.74 | 未披露 | 定期报告 | 2021-03-01 |
| 2021-03-12 | 979.72 | 未披露 |
更多>>
From December 31, 2019 to December 31, 2020
Issuance of restricted stock
Shares purchased and retired
|
2020-12-31 |
| 2020-11-09 | 982.05 | 未披露 | 定期报告 | 2020-10-30 |
| 2020-05-11 | 981.34 | 未披露 | 定期报告 | 2020-04-24 |
| 2020-04-02 | 981.76 | 未披露 | 定期报告 | 2020-03-20 |
| 2020-03-12 | 984.46 | 未披露 | 定期报告 | 2020-03-02 |
| 2020-03-12 | 987.29 | 未披露 |
更多>>
from December 31, 2018 to December 31, 2019
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
Issuance of restricted stock
Shares purchased and retired
|
2019-12-31 |
| 2019-11-07 | 988.78 | 未披露 | 定期报告 | 2019-10-31 |
| 2019-08-08 | 997.88 | 未披露 | 定期报告 | 2019-07-31 |
| 2019-05-09 | 999.85 | 未披露 | 定期报告 | 2019-04-26 |
| 2019-03-28 | 999.53 | 未披露 | 定期报告 | 2019-03-15 |
| 2019-03-14 | 999.94 | 未披露 | 定期报告 | 2019-03-01 |
| 2019-03-14 | 1005.69 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
|
2018-12-31 |
| 2018-11-08 | 1013.57 | 未披露 | 定期报告 | 2018-10-31 |
| 2018-08-08 | 1016.01 | 未披露 | 定期报告 | 2018-07-31 |
| 2018-05-08 | 1028.05 | 未披露 | 定期报告 | 2018-04-27 |
| 2018-04-04 | 1026.00 | 未披露 | 定期报告 | 2018-03-16 |
| 2018-03-13 | 1024.39 | 未披露 | 定期报告 | 2018-03-01 |
| 2018-03-13 | 1016.22 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2017-12-31 |
| 2017-11-06 | 1019.29 | 未披露 | 定期报告 | 2017-10-31 |
| 2017-08-09 | 1023.74 | 未披露 | 定期报告 | 2017-07-31 |
| 2017-05-04 | 1040.39 | 未披露 | 定期报告 | 2017-04-28 |
| 2017-03-31 | 1046.80 | 未披露 | 定期报告 | 2017-03-20 |
| 2017-03-09 | 1048.83 | 未披露 | 定期报告 | 2017-03-01 |
| 2017-03-09 | 1050.50 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
|
2016-12-31 |
| 2016-11-08 | 1044.98 | 未披露 | 定期报告 | 2016-10-31 |
| 2016-08-05 | 1053.95 | 未披露 | 定期报告 | 2016-07-29 |
| 2016-05-05 | 1062.09 | 未披露 | 定期报告 | 2016-04-30 |
| 2016-03-31 | 1067.67 | 未披露 | 定期报告 | 2016-03-21 |
| 2016-03-10 | 1069.43 | 未披露 | 定期报告 | 2016-03-01 |
| 2016-03-10 | 1076.74 | 未披露 |
更多>>
from December 31, 2014 to December 31, 2015
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2015-12-31 |
| 2015-11-05 | 1079.58 | 未披露 | 定期报告 | 2015-10-31 |
| 2015-08-06 | 1086.66 | 未披露 | 定期报告 | 2015-08-01 |
| 2015-05-07 | 1085.29 | 未披露 | 定期报告 | 2015-04-30 |
| 2015-04-02 | 1084.23 | 未披露 | 定期报告 | 2015-03-16 |
| 2015-03-11 | 1081.33 | 未披露 | 定期报告 | 2015-03-02 |
| 2015-03-11 | 1082.11 | 未披露 |
更多>>
from December 31, 2013 to December 31, 2014
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2014-12-31 |
| 2014-11-06 | 1077.80 | 未披露 | 定期报告 | 2014-10-31 |
| 2014-11-06 | 1080.60 | 未披露 |
更多>>
from December 31, 2013 to September 30, 2014
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2014-09-30 |
| 2014-08-07 | 1082.23 | 未披露 | 定期报告 | 2014-08-01 |
| 2014-05-08 | 1088.05 | 未披露 | 定期报告 | 2014-04-30 |
| 2014-03-12 | 1088.06 | 未披露 | 定期报告 | 2014-03-03 |
| 2014-03-12 | 1087.62 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2013-12-31 |
| 2013-11-07 | 1083.88 | 未披露 | 定期报告 | 2013-10-31 |
| 2013-08-07 | 1082.85 | 未披露 | 定期报告 | 2013-08-01 |
| 2013-05-09 | 1080.29 | 未披露 | 定期报告 | 2013-04-30 |
| 2013-04-05 | 1080.48 | 未披露 | 定期报告 | 2013-03-18 |
| 2013-03-14 | 1078.38 | 未披露 | 定期报告 | 2013-03-01 |
| 2013-03-14 | 1083.13 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2012-12-31 |
| 2012-11-07 | 1084.47 | 未披露 | 定期报告 | 2012-10-31 |
| 2012-08-09 | 1087.36 | 未披露 | 定期报告 | 2012-08-01 |
| 2012-05-08 | 1090.11 | 未披露 | 定期报告 | 2012-04-30 |
| 2012-05-03 | 1092.46 | 未披露 | 定期报告 | 2012-03-19 |
| 2012-03-13 | 1093.04 | 未披露 | 定期报告 | 2012-03-02 |
| 2012-03-13 | 1092.25 | 未披露 |
更多>>
from December 31, 2010 to December 31, 2011
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2011-12-31 |
| 2011-11-04 | 1091.51 | 未披露 | 定期报告 | 2011-10-31 |
| 2011-09-22 | 1095.42 | 未披露 | 定期报告 | 2011-09-19 |
| 2011-08-04 | 1100.62 | 未披露 | 定期报告 | 2011-08-02 |
| 2011-05-06 | 1135.35 | 未披露 | 定期报告 | 2011-04-30 |
| 2011-03-15 | 1135.73 | 未披露 | 定期报告 | 2011-03-01 |
| 2011-03-15 | 1135.66 | 未披露 |
更多>>
from dec 31 2009 to dec 31 2010
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
|
2010-12-31 |
| 2010-11-04 | 1130.74 | 未披露 | 定期报告 | 2010-11-01 |
| 2010-08-05 | 1132.32 | 未披露 | 定期报告 | 2010-08-02 |
| 2010-05-07 | 1138.20 | 未披露 | 定期报告 | 2010-04-30 |
| 2010-03-12 | 1133.74 | 未披露 | 定期报告 | 2010-03-01 |
| 2010-03-12 | 1133.32 | 未披露 |
更多>>
From December 31, 2008 to December 31, 2009
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2009-12-31 |
| 2009-03-12 | 1133.83 | 未披露 | 定期报告 | 2009-03-02 |
| 2009-03-12 | 1135.31 | 未披露 |
更多>>
From December 31, 2007 to December 31, 2008
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
|
2008-12-31 |
| 2008-03-13 | 1150.38 | 未披露 | 定期报告 | 2008-02-19 |
| 2008-03-13 | 1153.41 | 未披露 |
更多>>
From December 31, 2006 to December 31, 2007
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
|
2007-12-31 |
| 2007-03-15 | 1171.19 | 未披露 | 定期报告 | 2007-02-20 |
| 2007-03-15 | 1171.43 | 未披露 |
更多>>
From December 31, 2005 to December 31, 2006
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
|
2006-12-31 |
| 2006-03-13 | 1157.50 | 未披露 | 定期报告 | 2006-02-15 |
| 2006-03-13 | 1157.43 | 未披露 |
更多>>
From December 31, 2004 to December 31, 2005
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
On January 31, 2005, the Company’s Board of Directors approved a two-for-one split of the Company’s Common Stock and Class B Common Stock without a change in par value of either class.
|
2005-12-31 |
| 2005-01-31 | 1151.26 | 未披露 |
更多>>
2:1 stock split
|
2005-04-04 |
| 2005-03-14 | 575.63 | 未披露 | 定期报告 | 2005-02-16 |
| 2005-03-14 | 574.09 | 未披露 |
更多>>
From December 31, 2003 to December 31, 2004
Conversions of Class B Common Stock to Common Stock
Stock options exercised
|
2004-12-31 |
| 2004-03-12 | 564.09 | 未披露 | 定期报告 | 2004-03-08 |
| 2004-03-12 | 563.04 | 未披露 |
更多>>
From December 31, 2002 to December 31, 2003
Common stock dividend
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
2003-12-31 |
| 2003-07-30 | 568.74 | 未披露 |
更多>>
3:2 stock split
|
2003-10-02 |
| 2003-03-24 | 379.16 | 未披露 | 定期报告 | 2003-03-03 |
| 2003-03-24 | 378.91 | 未披露 |
更多>>
From December 31, 2001 to December 31, 2002
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
2002-12-31 |
| 2002-03-25 | 374.38 | 未披露 | 定期报告 | 2002-03-04 |
| 2002-03-25 | 374.88 | 未披露 |
更多>>
From December 31, 2000 to December 31, 2001
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
2001-12-31 |
| 2001-03-23 | 394.66 | 未披露 | 定期报告 | 2001-03-05 |
| 2001-03-23 | 397.29 | 未披露 |
更多>>
From December 31, 1999 to December 31, 2000
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
2000-12-31 |
| 2000-03-24 | 412.00 | 未披露 | 定期报告 | 2000-03-06 |
| 2000-03-24 | 416.10 | 未披露 |
更多>>
From December 31, 1998 to December 31, 1999
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
1999-12-31 |
| 1999-03-30 | 437.26 | 未披露 | 定期报告 | 1999-03-03 |
| 1999-03-30 | 442.39 | 未披露 |
更多>>
From December 31, 1997 to December 31, 1998
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
1998-12-31 |
| 1998-03-30 | 479.94 | 未披露 | 定期报告 | 1998-03-03 |
| 1998-03-30 | 477.49 | 未披露 |
更多>>
From December 31, 1996 to December 31, 1997
Common Stock Dividend
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
1997-12-31 |
| 1997-07-21 | 476.24 | 未披露 |
更多>>
3:1 stock split
|
1997-10-02 |
| 1997-03-25 | 158.75 | 未披露 |
更多>>
From December 31, 1995 to December 31, 1996
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
1996-12-31 |
| 1996-03-26 | 163.08 | 未披露 | 定期报告 | 1996-03-05 |
| 1996-03-26 | 188.40 | 未披露 |
更多>>
From December 31, 1994 to December 31, 1995
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
1995-12-31 |
| 1996-03-26 | 189.40 | 未披露 |
更多>>
From December 31, 1993 to December 31, 1994
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
|
1994-12-31 |
From June 30, 2026 to September 30, 2026
Restricted stock forfeited
Stock options exercised, net of shares withheld for employee taxes and strike price
Issuance of restricted stock
Net share settlement of restricted stock
From March 31,2026 to June 30,2026
Restricted stock forfeited
Stock options exercised, net of shares withheld for employee taxes and strike price
From January 1, 2026 to March 31, 2026
Stock options exercised, net of shares withheld for employee taxes and strike price
Restricted stock forfeited
Shares purchased and retired
From December 31, 2024 to December 31, 2025
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
Issuance of restricted stock
Net share settlement of restricted stock
Restricted stock forfeited
Shares purchased and retired
From March 31, 2025 to June 30, 2025
Shares purchased and retired
From December 31, 2023 to December 31, 2024
Issuance of restricted stock
Shares purchased and retired
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
From December 31, 2022 to December 31, 2023
Restricted stock forfeited
Issuance of restricted stock
Shares purchased and retired
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
From March 31, 2023 to June 30, 2023
Shares purchased and retired
Stock options exercised, net of shares withheld for employee taxes and strike price
From December 31, 2022 to March 31, 2023
Stock options exercised, net of shares withheld for employee taxes and strike price
Shares purchased and retired
From December 31, 2021 to December 31, 2022
Issuance of restricted stock
Shares purchased and retired
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
From June 30, 2022 to September 30, 2022
Stock option exercised, net of shares withheld for emloyee taxes and strike price
Issuance of restricted stock
Shares purchased and retired
From March 31, 2022 to June 30, 2022
Stock option exercised, net of shares withheld for emloyee taxes and strike price
Shares purchased and retired
From December 31, 2020 to December 31, 2021
Issuance of restricted stock
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
From December 31, 2020 to March 31, 2021
Shares purchased and retired
From December 31, 2019 to December 31, 2020
Issuance of restricted stock
Shares purchased and retired
from December 31, 2018 to December 31, 2019
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price
Issuance of restricted stock
Shares purchased and retired
from December 31, 2017 to December 31, 2018
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
from December 31, 2016 to December 31, 2017
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
from December 31, 2015 to December 31, 2016
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
from December 31, 2014 to December 31, 2015
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
from December 31, 2013 to December 31, 2014
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
from December 31, 2013 to September 30, 2014
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
from December 31, 2012 to December 31, 2013
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
from December 31, 2011 to December 31, 2012
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
from December 31, 2010 to December 31, 2011
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
from dec 31 2009 to dec 31 2010
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
From December 31, 2008 to December 31, 2009
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
From December 31, 2007 to December 31, 2008
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
From December 31, 2006 to December 31, 2007
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Issuance of restricted stock
Restricted stock forfeited
Shares purchased and retired
From December 31, 2005 to December 31, 2006
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Issuance of restricted stock
Shares purchased and retired
From December 31, 2004 to December 31, 2005
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
On January 31, 2005, the Company’s Board of Directors approved a two-for-one split of the Company’s Common Stock and Class B Common Stock without a change in par value of either class.
2:1 stock split
From December 31, 2003 to December 31, 2004
Conversions of Class B Common Stock to Common Stock
Stock options exercised
From December 31, 2002 to December 31, 2003
Common stock dividend
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
3:2 stock split
From December 31, 2001 to December 31, 2002
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
From December 31, 2000 to December 31, 2001
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
From December 31, 1999 to December 31, 2000
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
From December 31, 1998 to December 31, 1999
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
From December 31, 1997 to December 31, 1998
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
From December 31, 1996 to December 31, 1997
Common Stock Dividend
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
3:1 stock split
From December 31, 1995 to December 31, 1996
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
From December 31, 1994 to December 31, 1995
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired
From December 31, 1993 to December 31, 1994
Conversions of Class B Common Stock to Common Stock
Stock options exercised
Shares purchased and retired