股本结构

单位:万股
公告日期 2025-10-30 2025-10-30 2025-07-30 2025-07-30 2025-04-30 2025-04-30
证券总股本 7194.45 7194.40 7193.60 7193.50 7187.80 7190.00
普通股本 7194.45 7194.40 7193.60 7193.50 7187.80 7190.00
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 2025-10-24 2025-09-30 2025-07-25 2025-06-30 2025-04-25 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
2025-10-30 7194.45 未披露 定期报告 2025-10-24
2025-10-30 7194.40 未披露
更多>>
From June 30, 2025 to September 30, 2025 Employee stock purchase plan Vesting of equity compensation Shares withheld upon vesting of restricted stock units
2025-09-30
2025-07-30 7193.60 未披露 定期报告 2025-07-25
2025-07-30 7193.50 未披露
更多>>
From March 31, 2025 to June 30, 2025 Employee stock purchase plan Vesting of equity compensation Shares withheld upon vesting of equity compensation Purchase of common stock
2025-06-30
2025-04-30 7187.80 未披露 定期报告 2025-04-25
2025-04-30 7190.00 未披露
更多>>
From December 31, 2024 to March 31, 2025 Vesting of equity compensation Shares withheld upon vesting of equity compensation
2025-03-31
2025-04-15 7187.65 未披露 定期报告 2025-03-24
2025-02-27 7184.94 未披露 定期报告 2025-02-21
2025-02-27 7164.00 未披露
更多>>
From December 31, 2023 to December 31, 2024 Purchase of common stock
2024-12-31
2024-10-30 7162.11 未披露 定期报告 2024-10-25
2024-10-29 7170.00 未披露 定期报告 2024-09-30
2024-08-01 7162.11 未披露 定期报告 2024-07-26
2024-08-01 7170.00 未披露
更多>>
From March 31, 2024 to June 30, 2024 Purchase of common stock Shares issued restricted stock units and ESPP participants Vesting of equity compensation Shares withheld restricted stock units vesting
2024-06-30
2024-04-30 7154.37 未披露 定期报告 2024-04-26
2024-04-12 7227.54 未披露 定期报告 2024-04-01
2024-04-30 7230.50 未披露
更多>>
From December 31, 2023 to March 31, 2024 Purchase of common stock Vesting of equity compensation Shares withheld upon vesting of equity compensation
2024-03-31
2024-03-06 7299.58 未披露 定期报告 2024-03-01
2024-03-06 7310.00 未披露
更多>>
From December 31,2022 to December 31,2023 Purchase of common stock
2023-12-31
2023-11-02 7434.43 未披露 定期报告 2023-10-27
2023-11-02 7440.00 未披露
更多>>
From June 30, 2023 to September 30, 2023 Purchase of common stock Shares issued restricted stock units Shares withheld restricted stock units vesting
2023-09-30
2023-07-27 7434.43 未披露 定期报告 2023-07-21
2023-07-27 7440.00 未披露
更多>>
From March 31, 2023 to June 30, 2023 Purchase of common stock Shares issued restricted stock units and ESPP participants Shares withheld restricted stock units vesting
2023-06-30
2023-05-03 7612.91 未披露 定期报告 2023-04-28
2023-05-03 7620.00 未披露
更多>>
From December 31, 2022 to March 31, 2023 Shares issued restricted stock units Shares withheld restricted stock and restricted stock units vesting
2023-03-31
2023-02-23 7612.91 未披露 定期报告 2023-02-17
2023-02-23 7630.00 未披露
更多>>
From December 31, 2021 to December 31,2022 Purchase of common stock
2022-12-31
2022-11-02 8199.68 未披露 定期报告 2022-10-28
2022-11-02 8200.00 未披露
更多>>
From June 30, 2022 to September 30, 2022 Purchase of common stock
2022-09-30
2022-08-10 8872.62 未披露 定期报告 2022-08-09
2022-07-28 8885.13 未披露 定期报告 2022-07-22
2022-07-28 8890.00 未披露
更多>>
From March 31, 2022 to June 30, 2022 Purchase of common stock
2022-06-30
2022-05-04 8956.42 未披露 定期报告 2022-04-29
2022-05-04 8960.00 未披露 定期报告 2022-03-31
2022-02-24 8956.42 未披露 定期报告 2022-02-18
2022-02-24 8970.00 未披露
更多>>
From December 31, 2020 to December 31, 2021 Issuance of common stock in exchange for redeemable preferred stocks Conversion of non-redeemable preferred stock into common stock Issuance of restricted and unrestricted stock, net
2021-12-31
2021-11-02 8882.45 未披露 定期报告 2021-10-27
2021-10-12 3939.07 未披露
更多>>
a 13 for 10 split of it's common stock
2021-10-12
2021-08-26 3030.06 102.00 定期报告 2021-08-02
2021-07-29 3030.06 115.98
更多>>
From March 31, 2021 to June 30, 2021 Issuance of unrestricted stock
2021-06-30
2021-04-29 3003.77 115.98
更多>>
From December 31, 2020 to March 31, 2021 Issuance of restricted stock, net
2021-03-31
2021-02-25 3003.77 未披露 定期报告 2021-02-16
2021-02-25 2920.86 115.98
更多>>
From December 31, 2019 to December 31, 2020 Issuance of restricted and unrestricted stock, net Acquisition of shares withheld for employee taxes
2020-12-31
2020-07-31 2931.72 115.98 定期报告 2020-06-30
2020-05-07 2930.32 115.98 定期报告 2020-03-31
2020-04-14 2930.32 未披露 定期报告 2020-03-16
2020-02-25 2933.59 未披露 定期报告 2020-02-14
2020-02-25 2927.36 115.98
更多>>
From December 31, 2018 to December 31, 2019 Issuance of restricted stock, net
2019-12-31
2019-10-29 2878.24 115.98 定期报告 2019-09-30
2019-07-30 2878.35 未披露 定期报告 2019-07-19
2019-04-30 2876.96 115.98 定期报告 2019-03-31
2019-03-25 2874.80 102.00 定期报告 2019-03-04
2019-02-26 2880.91 未披露 定期报告 2019-02-22
2019-02-26 2884.49 115.98
更多>>
from December 31, 2017 to December 31, 2018 Issuance of restricted stock, net
2018-12-31
2018-10-24 2861.84 115.98 定期报告 2018-09-30
2018-07-25 2861.36 115.98 定期报告 2018-06-30
2018-04-25 2861.39 115.98 定期报告 2018-03-31
2018-04-23 2860.30 102.00 定期报告 2018-03-26
2018-02-26 2860.30 未披露 定期报告 2018-02-16
2018-02-26 2861.87 115.98
更多>>
from December 31, 2016 to December 31, 2017 Issuance of restricted stock, net
2017-12-31
2017-04-24 2840.51 115.98
更多>>
from December 31, 2016 to March 31, 2017 Issuance of restricted stock, net
2017-03-31
2017-02-27 2840.59 未披露 定期报告 2017-02-17
2017-02-27 2827.58 115.98
更多>>
From December 31, 2015 to December 31, 2016 Exercise of stock options Exercise of warrants, net Issuance of restricted stock, net
2016-12-31
2016-11-03 2791.15 115.98
更多>>
from December 31, 2015 to September 30, 2016 Exercise of stock options Exercise of warrants, net Issuance of restricted stock, net
2016-09-30
2016-08-08 2793.55 未披露 定期报告 2016-08-01
2016-08-08 2796.32 123.00
更多>>
from December 31, 2015 to June 30, 2016 Exercise of stock options Exercise of warrants Restricted stock granted from treasury stock
2016-06-30
2016-05-04 2386.55 未披露 定期报告 2016-04-28
2016-04-29 2386.05 102.00 定期报告 2016-04-15
2016-05-04 2385.45 123.00
更多>>
from December 31, 2015 to March 31, 2016 Exercise of stock options Restricted stock granted from treasury stock
2016-03-31
2016-02-29 2347.14 未披露 定期报告 2016-02-19
2016-02-29 2339.62 102.00
更多>>
from December 31, 2014 to December 31, 2015 Exercise of stock options Common stock issued for services Restricted stock granted from treasury stock
2015-12-31
2015-11-09 2281.13 102.00
更多>>
from December 31, 2014 to September 30, 2015 Exercise of stock options Common stock issued for services
2015-09-30
2015-08-07 2279.32 未披露 定期报告 2015-07-31
2015-08-07 2278.91 102.00
更多>>
from December 31, 2014 to June 30, 2015 Exercise of stock options Common stock issued for services
2015-06-30
2015-05-08 2273.34 未披露 定期报告 2015-04-30
2015-04-30 2273.28 未披露 定期报告 2015-04-27
2015-05-08 2272.44 102.00
更多>>
from December 31, 2014 to March 31, 2015 Exercise of stock options Common stock issued for services
2015-03-31
2015-03-02 2265.83 未披露 定期报告 2015-02-13
2015-03-02 2264.78 102.00
更多>>
from December 31, 2013 to December 31, 2014 Exercise of stock options
2014-12-31
2014-11-07 2261.18 未披露 定期报告 2014-10-31
2014-11-07 2259.96 102.00
更多>>
from December 31, 2013 to September 30, 2014 Exercise of stock options
2014-09-30
2014-08-08 2259.82 未披露 定期报告 2014-07-31
2014-08-08 2258.52 102.00
更多>>
from December 31, 2013 to June 30, 2014 Exercise of stock options
2014-06-30
2014-04-30 2253.58 102.00 定期报告 2014-04-28
2014-05-08 2253.50 102.00
更多>>
from December 31, 2013 to March 31, 2014 Exercise of stock options
2014-03-31
2014-02-27 2253.47 未披露 定期报告 2014-02-14
2014-02-27 2252.60 102.00
更多>>
from December 31, 2012 to December 31, 2013 Exercise of stock options
2013-12-31
2013-11-06 2251.95 未披露 定期报告 2013-10-31
2013-11-06 2251.06 102.00
更多>>
from December 31, 2012 to September 30, 2013 Exercise of stock options
2013-09-30
2013-08-09 2244.15 102.00
更多>>
from December 31, 2012 to June 30, 2013 Exercise of stock options
2013-06-30
2013-05-07 2243.57 102.00
更多>>
from December 31, 2012 to March 31, 2013 Exercise of stock options
2013-03-31
2013-02-28 2242.33 未披露 定期报告 2013-02-15
2013-02-28 2241.09 102.00
更多>>
from December 31, 2011 to December 31, 2012 Exercise of stock options Conversion of 68 shares of redeemable preferred stock to common stock
2012-12-31
2012-11-06 2239.64 未披露 定期报告 2012-10-31
2012-11-06 2238.51 102.00
更多>>
From December 31, 2011 to September 30, 2012 Exercise of stock options Conversion of redeemable preferred stock to common stock
2012-09-30
2012-08-08 2235.91 未披露 定期报告 2012-07-31
2012-08-08 2667.95 102.00
更多>>
from December 31,2011 to June 30, 2012 Exercise of stock options Conversion of redeemable preferred stock to common stock
2012-06-30
2012-05-09 2233.91 102.00
更多>>
from Dec 31,2011 to Mar 31,2012 Exercise of stock options Conversion of redeemable preferred stock to common stock
2012-03-31
2012-02-28 2231.82 未披露 定期报告 2012-02-15
2012-02-28 2231.78 102.00
更多>>
from December 31, 2010 to December 31, 2011 Conversion of convertible debt to common stock Exercise of stock options
2011-12-31
2011-11-07 2228.98 未披露 定期报告 2011-10-31
2011-11-07 2226.42 102.00
更多>>
from Dec 31,2010 to Sep 30,2011 Conversion of convertible debt to common stock Exercise of stock options
2011-09-30
2011-08-08 2225.42 未披露 定期报告 2011-07-29
2011-08-08 2217.62 102.00
更多>>
From Dec 31 2010 to Jun 30 2011 Conversion of debentures to common stock Exercise of stock options
2011-06-30
2011-05-05 2212.58 未披露 定期报告 2011-04-29
2011-05-05 2212.44 102.00
更多>>
From Dec 31 2010 to Mar 31 2011 Conversion of debentures to common stock Exercise of stock options
2011-03-31
2011-03-03 2115.69 未披露 定期报告 2011-02-28
2011-03-03 2115.61 102.00
更多>>
From Dec 31 2009 to Dec 31 2010 Exercise of stock options
2010-12-31
2010-11-04 2110.10 未披露 定期报告 2010-10-29
2010-11-04 2109.93 102.00
更多>>
From Dec 31 2009 to Sep 30 2010 Exercise of stock options
2010-09-30
2010-08-06 2109.37 未披露 定期报告 2010-07-30
2010-08-06 2109.27 102.00
更多>>
From Dec 31 2009 to Jun 30 2010 Exercise of stock options
2010-06-30
2010-05-06 2123.11 未披露 定期报告 2010-04-30
2010-05-06 2122.86 102.00
更多>>
From Dec 31 2009 to Mar 31 2010 Exercise of stock options Conversion of 13 shares of redeemable preferred stock to common stock
2010-03-31
2010-03-08 2122.61 未披露 定期报告 2010-02-28
2010-03-08 2122.57 102.00
更多>>
from December 31, 2008 to December 31, 2009 Exercise of stock options Acquisition of 275,900 shares of common stock
2009-12-31
2009-03-13 2110.98 102.00
更多>>
from December 31, 2007 to December 31, 2008 Exercise of stock options Acquisition of 400,000 shares of common stock
2008-12-31
2008-03-14 2110.63 未披露 定期报告 2008-03-07
2008-03-14 2101.80 102.00
更多>>
from December 31, 2006 to December 31, 2007 Conversion of debentures to common stock Exercise of stock options Exercise of warrant Exchange of 305,807 shares of non-redeemable preferred stock for 2,262,965 shares of common stock Conversion of 167,475 shares of non-redeemable preferred stock for 724,993 shares of common stock Redemption of 25,820 shares of non-redeemable preferred stock Cancellation of 18,300 shares of non-redeemable preferred stock
2007-12-31
2007-03-27 1947.91 未披露 定期报告 2007-03-19
2007-03-27 1676.68 151.91
更多>>
from December 31, 2005 to December 31, 2006 Conversion of debentures to common stock Exercise of stock options Exchange of 104,548 shares of non-redeemable preferred stock for 773,655 shares of common stock Conversion of 188 shares of redeemable preferred stock to common stock
2006-12-31
2006-03-31 1376.26 未披露 定期报告 2006-03-20
2006-03-31 1376.07 162.53
更多>>
from December 31, 2004 to December 31, 2005 Exercise of warrants Exercise of stock options Conversion of 156 shares of redeemable preferred stock to common stock Acquisition of 13,300 shares of non-redeemable preferred stock
2005-12-31
2005-03-28 1369.62 未披露 定期报告 2005-03-18
2005-03-28 1307.94 163.86
更多>>
from December 31, 2003 to December 31, 2004 Exercise of stock options Conversion of 57 shares of redeemable preferred stock to common stock
2004-12-31
2004-04-07 1274.75 未披露 定期报告 2004-04-02
2004-04-07 1254.78 164.36
更多>>
from December 31, 2002 to December 31, 2003 Issuance of 450,000 shares of common stock Exercise of stock options Conversion of 83 shares of redeemable preferred stock to common stock
2003-12-31
2003-04-02 1197.07 未披露 定期报告 2003-02-28
2003-04-02 1196.37 164.36
更多>>
from December 31, 2001 to December 31, 2002 Exercise of stock options Conversion of 128 shares of redeemable preferred stock to common stock
2002-12-31
2002-04-01 1193.36 未披露 定期报告 2002-02-28
2002-04-01 1193.36 164.36
更多>>
from December 31, 2000 to December 31, 2001 Exercise of stock options Conversion of 167 shares of redeemable preferred stock to common stock
2001-12-31
2001-04-17 1189.46 未披露 定期报告 2001-03-31
2001-04-17 1187.80 164.36
更多>>
from December 31, 1999 to December 31, 2000 Conversion of 12,750 shares of non-redeemable preferred stock to common stock Exchange of 4,000 shares of common stock held in treasury for Board of Directors fee
2000-12-31
2000-04-14 1187.74 未披露 定期报告 2000-04-07
1999-04-15 1186.65 未披露 定期报告 1999-02-28
1999-04-15 1190.60 93.65
更多>>
from December 31, 1997 to December 31, 1998 Conversion of 76.5 shares of redeemable preferred stock to common stock Exercise of stock options: Cash received Conversion of 76.5 shares of redeemable preferred stock to common stock Purchase of treasury stock
1998-12-31
1998-04-15 1275.92 未披露 定期报告 1998-02-28
1998-04-15 1274.90 193.50
更多>>
from December 31,1996 to December 31,1997 Exercise of stock options: Cash received Stock tendered and added to treasury at market value Dividends declared: Purchase of treasury stock Dividends declared: Series B 12% preferred stock ($12.00 per share) Dividends declared: Redeemable preferred stock ($10.00 per share) Dividends declared: Common stock ($.06 pershare) Dividends declared: Series 2 preferred stock($3.25 per share)
1997-12-31
1997-04-15 1294.94 未披露 定期报告 1997-02-28
1997-04-15 1297.54 91.50
更多>>
from December 31, 1995 to December 31, 1996 Conversion of 27 shares of redeemable preferred stock to common stock Exercise of stock options: Cash received Exercise of stock options: Stock tendered and added to treasury at market value Exercise of stock options: Stock tendered and added to treasury at market value Purchase of treasury stock
1996-12-31
1996-04-11 1291.14 93.50
更多>>
from December 31, 1994 to December 31, 1995 Exercise of stock options:Cash received Exercise of stock options: Stock tendered and added to treasury at market value Purchase of treasury stock
1995-12-31
1995-04-14 1304.49 未披露 定期报告 1995-03-31
1995-04-14 1306.06 93.66
更多>>
from December 31, 1993 to December 31, 1994 Exercise of stock options: Cash received Purchase of treasury stock
1994-12-31
1994-04-15 1363.47 未披露 定期报告 1994-03-14
1994-04-15 1367.40 94.17
更多>>
from December 31, 1992 to December 31, 1993 Conversion of 85 shares of redeemable preferred stock to common stock Conversion of 657,390 shares of Series 1 preferred to common stock Sale of common stock Exercise of stock options: Cash received Exercise of stock options: Stock tendered and added to treasury at market value Retirement of Series 1 preferred held in treasury Purchase of treasury stock
1993-12-31
From June 30, 2025 to September 30, 2025 Employee stock purchase plan Vesting of equity compensation Shares withheld upon vesting of restricted stock units
From March 31, 2025 to June 30, 2025 Employee stock purchase plan Vesting of equity compensation Shares withheld upon vesting of equity compensation Purchase of common stock
From December 31, 2024 to March 31, 2025 Vesting of equity compensation Shares withheld upon vesting of equity compensation
From December 31, 2023 to December 31, 2024 Purchase of common stock
From March 31, 2024 to June 30, 2024 Purchase of common stock Shares issued restricted stock units and ESPP participants Vesting of equity compensation Shares withheld restricted stock units vesting
From December 31, 2023 to March 31, 2024 Purchase of common stock Vesting of equity compensation Shares withheld upon vesting of equity compensation
From December 31,2022 to December 31,2023 Purchase of common stock
From June 30, 2023 to September 30, 2023 Purchase of common stock Shares issued restricted stock units Shares withheld restricted stock units vesting
From March 31, 2023 to June 30, 2023 Purchase of common stock Shares issued restricted stock units and ESPP participants Shares withheld restricted stock units vesting
From December 31, 2022 to March 31, 2023 Shares issued restricted stock units Shares withheld restricted stock and restricted stock units vesting
From December 31, 2021 to December 31,2022 Purchase of common stock
From June 30, 2022 to September 30, 2022 Purchase of common stock
From March 31, 2022 to June 30, 2022 Purchase of common stock
From December 31, 2020 to December 31, 2021 Issuance of common stock in exchange for redeemable preferred stocks Conversion of non-redeemable preferred stock into common stock Issuance of restricted and unrestricted stock, net
a 13 for 10 split of it's common stock
From March 31, 2021 to June 30, 2021 Issuance of unrestricted stock
From December 31, 2020 to March 31, 2021 Issuance of restricted stock, net
From December 31, 2019 to December 31, 2020 Issuance of restricted and unrestricted stock, net Acquisition of shares withheld for employee taxes
From December 31, 2018 to December 31, 2019 Issuance of restricted stock, net
from December 31, 2017 to December 31, 2018 Issuance of restricted stock, net
from December 31, 2016 to December 31, 2017 Issuance of restricted stock, net
from December 31, 2016 to March 31, 2017 Issuance of restricted stock, net
From December 31, 2015 to December 31, 2016 Exercise of stock options Exercise of warrants, net Issuance of restricted stock, net
from December 31, 2015 to September 30, 2016 Exercise of stock options Exercise of warrants, net Issuance of restricted stock, net
from December 31, 2015 to June 30, 2016 Exercise of stock options Exercise of warrants Restricted stock granted from treasury stock
from December 31, 2015 to March 31, 2016 Exercise of stock options Restricted stock granted from treasury stock
from December 31, 2014 to December 31, 2015 Exercise of stock options Common stock issued for services Restricted stock granted from treasury stock
from December 31, 2014 to September 30, 2015 Exercise of stock options Common stock issued for services
from December 31, 2014 to June 30, 2015 Exercise of stock options Common stock issued for services
from December 31, 2014 to March 31, 2015 Exercise of stock options Common stock issued for services
from December 31, 2013 to December 31, 2014 Exercise of stock options
from December 31, 2013 to September 30, 2014 Exercise of stock options
from December 31, 2013 to June 30, 2014 Exercise of stock options
from December 31, 2013 to March 31, 2014 Exercise of stock options
from December 31, 2012 to December 31, 2013 Exercise of stock options
from December 31, 2012 to September 30, 2013 Exercise of stock options
from December 31, 2012 to June 30, 2013 Exercise of stock options
from December 31, 2012 to March 31, 2013 Exercise of stock options
from December 31, 2011 to December 31, 2012 Exercise of stock options Conversion of 68 shares of redeemable preferred stock to common stock
From December 31, 2011 to September 30, 2012 Exercise of stock options Conversion of redeemable preferred stock to common stock
from December 31,2011 to June 30, 2012 Exercise of stock options Conversion of redeemable preferred stock to common stock
from Dec 31,2011 to Mar 31,2012 Exercise of stock options Conversion of redeemable preferred stock to common stock
from December 31, 2010 to December 31, 2011 Conversion of convertible debt to common stock Exercise of stock options
from Dec 31,2010 to Sep 30,2011 Conversion of convertible debt to common stock Exercise of stock options
From Dec 31 2010 to Jun 30 2011 Conversion of debentures to common stock Exercise of stock options
From Dec 31 2010 to Mar 31 2011 Conversion of debentures to common stock Exercise of stock options
From Dec 31 2009 to Dec 31 2010 Exercise of stock options
From Dec 31 2009 to Sep 30 2010 Exercise of stock options
From Dec 31 2009 to Jun 30 2010 Exercise of stock options
From Dec 31 2009 to Mar 31 2010 Exercise of stock options Conversion of 13 shares of redeemable preferred stock to common stock
from December 31, 2008 to December 31, 2009 Exercise of stock options Acquisition of 275,900 shares of common stock
from December 31, 2007 to December 31, 2008 Exercise of stock options Acquisition of 400,000 shares of common stock
from December 31, 2006 to December 31, 2007 Conversion of debentures to common stock Exercise of stock options Exercise of warrant Exchange of 305,807 shares of non-redeemable preferred stock for 2,262,965 shares of common stock Conversion of 167,475 shares of non-redeemable preferred stock for 724,993 shares of common stock Redemption of 25,820 shares of non-redeemable preferred stock Cancellation of 18,300 shares of non-redeemable preferred stock
from December 31, 2005 to December 31, 2006 Conversion of debentures to common stock Exercise of stock options Exchange of 104,548 shares of non-redeemable preferred stock for 773,655 shares of common stock Conversion of 188 shares of redeemable preferred stock to common stock
from December 31, 2004 to December 31, 2005 Exercise of warrants Exercise of stock options Conversion of 156 shares of redeemable preferred stock to common stock Acquisition of 13,300 shares of non-redeemable preferred stock
from December 31, 2003 to December 31, 2004 Exercise of stock options Conversion of 57 shares of redeemable preferred stock to common stock
from December 31, 2002 to December 31, 2003 Issuance of 450,000 shares of common stock Exercise of stock options Conversion of 83 shares of redeemable preferred stock to common stock
from December 31, 2001 to December 31, 2002 Exercise of stock options Conversion of 128 shares of redeemable preferred stock to common stock
from December 31, 2000 to December 31, 2001 Exercise of stock options Conversion of 167 shares of redeemable preferred stock to common stock
from December 31, 1999 to December 31, 2000 Conversion of 12,750 shares of non-redeemable preferred stock to common stock Exchange of 4,000 shares of common stock held in treasury for Board of Directors fee
from December 31, 1997 to December 31, 1998 Conversion of 76.5 shares of redeemable preferred stock to common stock Exercise of stock options: Cash received Conversion of 76.5 shares of redeemable preferred stock to common stock Purchase of treasury stock
from December 31,1996 to December 31,1997 Exercise of stock options: Cash received Stock tendered and added to treasury at market value Dividends declared: Purchase of treasury stock Dividends declared: Series B 12% preferred stock ($12.00 per share) Dividends declared: Redeemable preferred stock ($10.00 per share) Dividends declared: Common stock ($.06 pershare) Dividends declared: Series 2 preferred stock($3.25 per share)
from December 31, 1995 to December 31, 1996 Conversion of 27 shares of redeemable preferred stock to common stock Exercise of stock options: Cash received Exercise of stock options: Stock tendered and added to treasury at market value Exercise of stock options: Stock tendered and added to treasury at market value Purchase of treasury stock
from December 31, 1994 to December 31, 1995 Exercise of stock options:Cash received Exercise of stock options: Stock tendered and added to treasury at market value Purchase of treasury stock
from December 31, 1993 to December 31, 1994 Exercise of stock options: Cash received Purchase of treasury stock
from December 31, 1992 to December 31, 1993 Conversion of 85 shares of redeemable preferred stock to common stock Conversion of 657,390 shares of Series 1 preferred to common stock Sale of common stock Exercise of stock options: Cash received Exercise of stock options: Stock tendered and added to treasury at market value Retirement of Series 1 preferred held in treasury Purchase of treasury stock