股本结构
单位:万股
| 公告日期 | 2022-04-11 | 2022-04-11 | 2021-11-10 | 2021-08-12 | 2021-05-13 | 2021-03-25 |
|---|---|---|---|---|---|---|
| 证券总股本 | 1233.32 | 1225.82 | 1225.77 | 1225.72 | 1222.66 | 1225.82 |
| 普通股本 | 1233.32 | 1225.82 | 1225.77 | 1225.72 | 1222.66 | 1225.82 |
| 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 | 2022-04-07 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2021-03-24 |
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 |
|---|---|---|---|---|
| 2022-04-11 | 1233.32 | 未披露 | 定期报告 | 2022-04-07 |
| 2022-04-11 | 1225.82 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Restricted stock vested
|
2021-12-31 |
| 2021-11-10 | 1225.77 | 未披露 |
更多>>
From January 1, 2021 to September 30, 2021
Restricted stock vested
|
2021-09-30 |
| 2021-08-12 | 1225.72 | 未披露 |
更多>>
From March 31, 2021 to June 30, 2021
Restricted stock vested
|
2021-06-30 |
| 2021-05-13 | 1222.66 | 未披露 |
更多>>
From January 1, 2021 To March 31, 2021
Restricted stock vested
|
2021-03-31 |
| 2021-03-25 | 1225.82 | 未披露 | 定期报告 | 2021-03-24 |
| 2021-03-17 | 1225.82 | 未披露 | 定期报告 | 2021-03-15 |
| 2021-03-17 | 1219.59 | 未披露 |
更多>>
from December 31, 2019 to December 31, 2020
Restricted stock vested
|
2020-12-31 |
| 2020-11-12 | 1219.54 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2020
Restricted stock vested
|
2020-09-30 |
| 2020-08-12 | 1219.50 | 未披露 |
更多>>
From March 31, 2020 to June 30, 2020
Restricted stock vested
|
2020-06-30 |
| 2020-04-29 | 1231.36 | 未披露 | 定期报告 | 2020-04-20 |
| 2020-05-14 | 1219.45 | 未披露 |
更多>>
From January 1, 2020 to March 31, 2020
Restricted stock vested
|
2020-03-31 |
| 2020-03-30 | 1216.38 | 未披露 |
更多>>
from December 31, 2018 to December 31, 2019
Restricted stock vested
|
2019-12-31 |
| 2019-11-12 | 1216.31 | 未披露 |
更多>>
from June 30, 2019 to September 30, 2019
Restricted stock vested
|
2019-09-30 |
| 2019-08-19 | 1216.23 | 未披露 |
更多>>
from January 1, 2019 to June 30, 2019
Restricted stock vested
|
2019-06-30 |
| 2019-05-15 | 1216.15 | 未披露 | 定期报告 | 2019-05-13 |
| 2019-04-30 | 1219.66 | 未披露 | 定期报告 | 2019-04-22 |
| 2019-04-04 | 1216.12 | 未披露 | 定期报告 | 2019-04-03 |
| 2019-05-15 | 1216.15 | 未披露 |
更多>>
from January 1, 2019 to March 31, 2019
Restricted stock vested
|
2019-03-31 |
| 2019-04-04 | 1212.67 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock vested
|
2018-12-31 |
| 2018-08-14 | 1211.70 | 未披露 |
更多>>
From December 31, 2017 to June 30, 2018
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock vested
|
2018-06-30 |
| 2018-05-15 | 1211.54 | 未披露 |
更多>>
From December 31, 2017 to March 31, 2018
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock vested
|
2018-03-31 |
| 2018-04-02 | 1252.89 | 未披露 | 定期报告 | 2018-03-29 |
| 2018-04-02 | 1194.11 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
|
2017-12-31 |
| 2017-11-14 | 1252.79 | 未披露 | 定期报告 | 2017-11-07 |
| 2017-11-14 | 1194.03 | 未披露 |
更多>>
From December 31, 2016 to September 30, 2017
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2017-09-30 |
| 2017-08-08 | 1252.36 | 未披露 | 定期报告 | 2017-08-02 |
| 2017-08-08 | 1193.92 | 未披露 |
更多>>
From December 31, 2016 to June 30, 2017
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2017-06-30 |
| 2017-05-11 | 1247.53 | 未披露 | 定期报告 | 2017-05-05 |
| 2017-04-28 | 1246.49 | 未披露 | 定期报告 | 2017-04-17 |
| 2017-05-11 | 1192.27 | 未披露 |
更多>>
from December 31, 2016 to March 31, 2017
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
|
2017-03-31 |
| 2017-03-28 | 1246.27 | 未披露 | 定期报告 | 2017-03-23 |
| 2017-03-28 | 1190.74 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
|
2016-12-31 |
| 2016-11-08 | 1190.74 | 未披露 | 定期报告 | 2016-11-03 |
| 2016-11-08 | 1190.68 | 未披露 |
更多>>
from December 31, 2015 to September 30, 2016
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2016-09-30 |
| 2016-08-02 | 1180.54 | 未披露 | 定期报告 | 2016-07-28 |
| 2016-08-02 | 1180.50 | 未披露 |
更多>>
from December 31, 2015 to June 30, 2016
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2016-06-30 |
| 2016-05-03 | 1179.88 | 未披露 | 定期报告 | 2016-04-27 |
| 2016-04-29 | 1181.88 | 未披露 | 定期报告 | 2016-04-18 |
| 2016-05-03 | 1179.77 | 未披露 |
更多>>
from December 31, 2015 to March 31, 2016
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2016-03-31 |
| 2016-03-15 | 1179.53 | 未披露 | 定期报告 | 2016-03-09 |
| 2016-03-15 | 1179.18 | 未披露 |
更多>>
From December 31, 2014 to December 31, 2015
Common Stock issued pursuant to the Employee Stock Purchase Plan
Stock option exercises
Restricted stock issuance, net of cancellations
|
2015-12-31 |
| 2015-11-10 | 1170.28 | 未披露 | 定期报告 | 2015-11-05 |
| 2015-11-10 | 1170.05 | 未披露 |
更多>>
from December 31, 2014 to September 30, 2015
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
|
2015-09-30 |
| 2015-08-04 | 1168.05 | 未披露 | 定期报告 | 2015-07-30 |
| 2015-08-04 | 1167.91 | 未披露 |
更多>>
from December 31, 2014 to June 30, 2015
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock cancellations
|
2015-06-30 |
| 2015-04-30 | 1167.44 | 未披露 | 定期报告 | 2015-04-20 |
| 2015-05-05 | 1167.15 | 未披露 |
更多>>
from December 31, 2014 to March 31, 2015
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
|
2015-03-31 |
| 2015-03-17 | 1166.64 | 未披露 | 定期报告 | 2015-03-12 |
| 2015-03-17 | 1166.47 | 未披露 |
更多>>
from December 31, 2013 to December 31, 2014
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock cancellations
|
2014-12-31 |
| 2014-11-04 | 1166.34 | 未披露 | 定期报告 | 2014-10-30 |
| 2014-11-04 | 1165.42 | 未披露 |
更多>>
from December 31, 2013 to September 30, 2014
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock issuance, net of cancellations
Stock option exercises
|
2014-09-30 |
| 2014-08-05 | 1163.96 | 未披露 | 定期报告 | 2014-07-31 |
| 2014-08-05 | 1163.74 | 未披露 |
更多>>
from December 31, 2013 to June 30, 2014
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock issuance, net of cancellations
Stock option exercises
|
2014-06-30 |
| 2014-04-24 | 1163.20 | 未披露 | 定期报告 | 2014-04-15 |
| 2014-05-06 | 1162.88 | 未披露 |
更多>>
From December 31, 2013 to March 31, 2014
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock issuance, net of cancellations
|
2014-03-31 |
| 2014-03-11 | 1161.84 | 未披露 | 定期报告 | 2014-03-06 |
| 2014-03-11 | 1160.06 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock issuance, net of cancellations
|
2013-12-31 |
| 2013-11-12 | 1149.29 | 未披露 | 定期报告 | 2013-11-06 |
| 2013-11-12 | 1147.68 | 未披露 |
更多>>
from December 31, 2012 to September 30, 2013
Stock option exercises
Purchase Plan
Restricted stock issuance, net of cancellations
|
2013-09-30 |
| 2013-08-13 | 1143.97 | 未披露 | 定期报告 | 2013-08-07 |
| 2013-08-13 | 1143.93 | 未披露 |
更多>>
from December 31, 2012 to June 30, 2013
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
|
2013-06-30 |
| 2013-05-07 | 1141.45 | 未披露 | 定期报告 | 2013-05-02 |
| 2013-04-29 | 1141.64 | 未披露 | 定期报告 | 2013-04-22 |
| 2013-05-07 | 1141.60 | 未披露 |
更多>>
from December 31, 2012 to March 31, 2013
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
|
2013-03-31 |
| 2013-03-12 | 1140.55 | 未披露 | 定期报告 | 2013-03-08 |
| 2013-03-12 | 1138.72 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
|
2012-12-31 |
| 2012-11-13 | 1135.66 | 未披露 | 定期报告 | 2012-11-07 |
| 2012-11-13 | 1133.39 | 未披露 |
更多>>
from December 31, 2011 to September 30, 2012
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
|
2012-09-30 |
| 2012-08-07 | 1128.91 | 未披露 | 定期报告 | 2012-08-01 |
| 2012-08-07 | 1128.66 | 未披露 |
更多>>
from December 31, 2011 to June 30, 2012
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
|
2012-06-30 |
| 2012-05-08 | 1122.19 | 未披露 | 定期报告 | 2012-05-03 |
| 2012-05-08 | 1122.15 | 未披露 |
更多>>
from December 31, 2011 to March 22, 2012
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
|
2012-03-22 |
| 2012-03-30 | 1113.56 | 未披露 |
更多>>
from December 31, 2010 to December 31, 2011
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock cancellations, net of issuance
Treasury stock
|
2011-12-31 |
| 2011-11-10 | 1109.49 | 未披露 | 定期报告 | 2011-11-04 |
| 2011-11-10 | 1090.55 | 未披露 |
更多>>
FROM December 31, 2010 TO September 30, 2011
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
Treasury stock
|
2011-09-30 |
| 2011-08-12 | 1086.30 | 未披露 | 定期报告 | 2011-08-05 |
| 2011-08-12 | 1088.49 | 未披露 |
更多>>
from dec 31 2010 to jun 30 2011
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
Treasury stock
|
2011-06-30 |
| 2011-05-11 | 1076.28 | 未披露 | 定期报告 | 2011-05-06 |
| 2011-06-24 | 1078.31 | 未披露 | 定期报告 | 2011-04-21 |
| 2011-05-11 | 1076.45 | 未披露 |
更多>>
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
|
2011-03-31 |
| 2011-03-08 | 1076.41 | 未披露 | 定期报告 | 2011-03-03 |
| 2011-03-08 | 1065.14 | 未披露 |
更多>>
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance
|
2010-12-31 |
| 2010-11-04 | 1030.97 | 未披露 | 定期报告 | 2010-10-28 |
| 2010-11-04 | 1025.11 | 未披露 |
更多>>
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance
|
2010-09-30 |
| 2010-08-05 | 1010.80 | 未披露 | 定期报告 | 2010-08-02 |
| 2010-08-05 | 1010.34 | 未披露 |
更多>>
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance
|
2010-06-30 |
| 2010-05-06 | 1002.15 | 未披露 | 定期报告 | 2010-05-03 |
| 2010-05-06 | 1001.91 | 未披露 |
更多>>
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance
|
2010-03-31 |
| 2010-03-08 | 998.22 | 未披露 | 定期报告 | 2010-03-04 |
| 2010-03-08 | 993.07 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
The company's Board of Directors approved a one-for-two reverse split of its common stock, as previously authorized and approved by the stockholders at the June 9, 2009 annual meeting, which took effect at 11:59 p.m. (Eastern time) on July 20, 2009 (the “Effective Time”).
|
2009-12-31 |
| 2009-03-11 | 1952.94 | 未披露 | 定期报告 | 2009-03-09 |
| 2009-03-11 | 1950.68 | 未披露 |
更多>>
from December 31, 2007 to December 31, 2008
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Preferred stock conversion
Restricted stock issuance
|
2008-12-31 |
| 2008-03-13 | 1931.09 | 未披露 | 定期报告 | 2008-03-05 |
| 2008-03-13 | 1791.48 | 47.88 |
更多>>
from December 31, 2006 to December 31, 2007
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
Preferred stock conversion
Restricted stock issuance
|
2007-12-31 |
| 2007-03-15 | 1625.32 | 未披露 | 定期报告 | 2007-03-01 |
| 2007-03-15 | 1623.36 | 96.67 |
更多>>
from December 31, 2005 to December 31, 2006
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2006-12-31 |
| 2006-03-24 | 1616.95 | 未披露 | 定期报告 | 2006-03-08 |
| 2006-03-24 | 1613.78 | 96.67 |
更多>>
from December 31, 2004 to December 31, 2005
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2005-12-31 |
| 2005-03-31 | 1602.41 | 未披露 | 定期报告 | 2005-03-18 |
| 2005-03-31 | 1598.72 | 96.67 |
更多>>
from December 31, 2003 to December 31, 2004
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2004-12-31 |
| 2004-03-22 | 1585.94 | 未披露 | 定期报告 | 2004-03-10 |
| 2004-03-22 | 1577.85 | 未披露 |
更多>>
from December 31, 2002 to December 31, 2003
Common stock issued pursuant to the employee stock purchase plan
Common stock issued in conjunction with the acquisition of CMS Communications, Inc.
Stock option and warrant exercises
|
2003-12-31 |
| 2003-03-28 | 1384.65 | 未披露 | 定期报告 | 2003-03-17 |
| 2003-03-28 | 1330.51 | 未披露 |
更多>>
from December 31, 2001 to December 31,2002
Common Stock issued pursuant to the Employee Stock Purchase Plan
|
2002-12-31 |
| 2002-04-01 | 1329.23 | 未披露 | 定期报告 | 2002-03-01 |
| 2002-04-01 | 1329.23 | 未披露 |
更多>>
from December 31, 2000 to December 31, 2001
Stock option exercises and other
Common stock issued pursuant to the Employee Stock Purchase Plan
|
2001-12-31 |
| 2001-03-23 | 1295.34 | 未披露 | 定期报告 | 2001-03-01 |
| 2001-03-23 | 1295.06 | 未披露 |
更多>>
from December 31, 1999 to December 31, 2000
Compensation related to stock options
Common Stock issued pursuant to the Employee Stock Purchase Plan
|
2000-12-31 |
| 2000-03-21 | 1249.41 | 未披露 | 定期报告 | 2000-03-01 |
| 2000-03-21 | 1244.70 | 未披露 |
更多>>
from December 31, 1998 to December 31, 1999
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
|
1999-12-31 |
| 1999-03-31 | 1208.18 | 未披露 | 定期报告 | 1999-03-18 |
| 1999-03-31 | 1188.80 | 未披露 |
更多>>
from December 31, 1997 to December 31, 1998
Issuance of shares in initial public offering, net, and conversion of preferred stock
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
|
1998-12-31 |
From December 31, 2020 to December 31, 2021
Restricted stock vested
From January 1, 2021 to September 30, 2021
Restricted stock vested
From March 31, 2021 to June 30, 2021
Restricted stock vested
From January 1, 2021 To March 31, 2021
Restricted stock vested
from December 31, 2019 to December 31, 2020
Restricted stock vested
From June 30, 2020 to September 30, 2020
Restricted stock vested
From March 31, 2020 to June 30, 2020
Restricted stock vested
From January 1, 2020 to March 31, 2020
Restricted stock vested
from December 31, 2018 to December 31, 2019
Restricted stock vested
from June 30, 2019 to September 30, 2019
Restricted stock vested
from January 1, 2019 to June 30, 2019
Restricted stock vested
from January 1, 2019 to March 31, 2019
Restricted stock vested
from December 31, 2017 to December 31, 2018
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock vested
From December 31, 2017 to June 30, 2018
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock vested
From December 31, 2017 to March 31, 2018
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock vested
from December 31, 2016 to December 31, 2017
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
From December 31, 2016 to September 30, 2017
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
From December 31, 2016 to June 30, 2017
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2016 to March 31, 2017
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2015 to December 31, 2016
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2015 to September 30, 2016
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2015 to June 30, 2016
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2015 to March 31, 2016
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
From December 31, 2014 to December 31, 2015
Common Stock issued pursuant to the Employee Stock Purchase Plan
Stock option exercises
Restricted stock issuance, net of cancellations
from December 31, 2014 to September 30, 2015
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
from December 31, 2014 to June 30, 2015
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock cancellations
from December 31, 2014 to March 31, 2015
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2013 to December 31, 2014
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock cancellations
from December 31, 2013 to September 30, 2014
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock issuance, net of cancellations
Stock option exercises
from December 31, 2013 to June 30, 2014
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock issuance, net of cancellations
Stock option exercises
From December 31, 2013 to March 31, 2014
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock issuance, net of cancellations
from December 31, 2012 to December 31, 2013
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Issuance of common stock related to acquisition
Restricted stock issuance, net of cancellations
from December 31, 2012 to September 30, 2013
Stock option exercises
Purchase Plan
Restricted stock issuance, net of cancellations
from December 31, 2012 to June 30, 2013
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
from December 31, 2012 to March 31, 2013
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
from December 31, 2011 to December 31, 2012
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
from December 31, 2011 to September 30, 2012
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
from December 31, 2011 to June 30, 2012
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
from December 31, 2011 to March 22, 2012
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
from December 31, 2010 to December 31, 2011
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock cancellations, net of issuance
Treasury stock
FROM December 31, 2010 TO September 30, 2011
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
Treasury stock
from dec 31 2010 to jun 30 2011
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
Treasury stock
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance, net of cancellations
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Restricted stock issuance
from December 31, 2008 to December 31, 2009
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
The company's Board of Directors approved a one-for-two reverse split of its common stock, as previously authorized and approved by the stockholders at the June 9, 2009 annual meeting, which took effect at 11:59 p.m. (Eastern time) on July 20, 2009 (the “Effective Time”).
from December 31, 2007 to December 31, 2008
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
Preferred stock conversion
Restricted stock issuance
from December 31, 2006 to December 31, 2007
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
Preferred stock conversion
Restricted stock issuance
from December 31, 2005 to December 31, 2006
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2004 to December 31, 2005
Stock option exercises
Common stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2003 to December 31, 2004
Common stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2002 to December 31, 2003
Common stock issued pursuant to the employee stock purchase plan
Common stock issued in conjunction with the acquisition of CMS Communications, Inc.
Stock option and warrant exercises
from December 31, 2001 to December 31,2002
Common Stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 2000 to December 31, 2001
Stock option exercises and other
Common stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 1999 to December 31, 2000
Compensation related to stock options
Common Stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 1998 to December 31, 1999
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan
from December 31, 1997 to December 31, 1998
Issuance of shares in initial public offering, net, and conversion of preferred stock
Stock option exercises
Common Stock issued pursuant to the Employee Stock Purchase Plan