股本结构
单位：万股
| 公告日期 | 2025-11-10 | 2025-11-10 | 2025-08-04 | 2025-08-04 | 2025-05-05 | 2025-05-05 |
|---|---|---|---|---|---|---|
| 证券总股本 | 4956.32 | 4956.20 | 4949.23 | 4948.10 | 4947.63 | 5085.23 |
| 普通股本 | 4956.32 | 4956.20 | 4949.23 | 4948.10 | 4947.63 | 5085.23 |
| 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 | 2025-10-31 | 2025-09-30 | 2025-07-31 | 2025-06-30 | 2025-04-30 | 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 |
|---|---|---|---|---|
| 2025-11-10 | 4956.32 | 未披露 | 定期报告 | 2025-10-31 |
| 2025-11-10 | 4956.20 | 未披露 |
更多>>
From December 31, 2024 to September 30, 2025
Issuance of common stock
Repurchase and retirement of common stock
|
2025-09-30 |
| 2025-08-04 | 4949.23 | 未披露 | 定期报告 | 2025-07-31 |
| 2025-08-04 | 4948.10 | 未披露 |
更多>>
From March 31, 2025 to June 30, 2025
Repurchase and retirement of common stock
|
2025-06-30 |
| 2025-05-05 | 4947.63 | 未披露 | 定期报告 | 2025-04-30 |
| 2025-04-24 | 5085.34 | 未披露 | 定期报告 | 2025-04-11 |
| 2025-05-05 | 5085.23 | 未披露 |
更多>>
From December 31, 2024 to March 31, 2025
Repurchase and retirement of common stock
|
2025-03-31 |
| 2025-02-27 | 5147.02 | 未披露 | 定期报告 | 2025-02-14 |
| 2025-02-27 | 5146.15 | 未披露 |
更多>>
From December 31, 2023 to December 31, 2024
Issuance of common stock
Repurchase and retirement of common stock
|
2024-12-31 |
| 2024-11-07 | 5232.30 | 未披露 | 定期报告 | 2024-10-31 |
| 2024-11-07 | 5232.25 | 未披露 | 定期报告 | 2024-09-30 |
| 2024-08-06 | 5249.15 | 未披露 | 定期报告 | 2024-07-31 |
| 2024-08-06 | 5248.79 | 未披露 |
更多>>
From March 31, 2024 to June 30, 2024
Repurchase and retirement of common stock
|
2024-06-30 |
| 2024-05-02 | 5276.22 | 未披露 | 定期报告 | 2024-04-30 |
| 2024-04-26 | 5268.12 | 未披露 | 定期报告 | 2024-04-19 |
| 2024-05-02 | 5275.92 | 未披露 |
更多>>
From December 31, 2023 to March 31, 2024
Issuance of common stock
|
2024-03-31 |
| 2024-02-29 | 5227.11 | 未披露 | 定期报告 | 2024-02-15 |
| 2024-02-29 | 5225.93 | 未披露 |
更多>>
From December 31, 2022 to December 31, 2023
Exercise of warrants into common stock
Repurchase and retirement of common stock
|
2023-12-31 |
| 2023-11-06 | 5284.18 | 未披露 | 定期报告 | 2023-10-31 |
| 2023-11-06 | 5283.99 | 未披露 |
更多>>
From June 30, 2023 to September 30, 2023
Exercise of warrants into common stock
|
2023-09-30 |
| 2023-08-07 | 5266.69 | 未披露 | 定期报告 | 2023-07-31 |
| 2023-08-07 | 5089.52 | 未披露 | 定期报告 | 2023-06-30 |
| 2023-05-01 | 5086.46 | 未披露 | 定期报告 | 2023-04-28 |
| 2023-05-01 | 5086.44 | 未披露 | 定期报告 | 2023-04-24 |
| 2023-05-08 | 5078.08 | 未披露 | 定期报告 | 2023-03-31 |
| 2023-02-28 | 5056.69 | 未披露 | 定期报告 | 2023-02-15 |
| 2023-02-28 | 5055.42 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Issuance of common stock
|
2022-12-31 |
| 2022-11-09 | 5049.36 | 未披露 |
更多>>
Common Stock Being Offered 3,987,914 shares
|
2022-11-10 |
| 2022-11-03 | 4650.56 | 未披露 | 定期报告 | 2022-10-31 |
| 2022-11-03 | 4649.43 | 未披露 | 定期报告 | 2022-09-30 |
| 2022-08-10 | 4571.00 | 未披露 | 定期报告 | 2022-08-09 |
| 2022-08-04 | 4206.58 | 未披露 | 定期报告 | 2022-07-31 |
| 2022-08-04 | 4202.99 | 未披露 | 定期报告 | 2022-06-30 |
| 2022-05-09 | 4181.45 | 未披露 | 定期报告 | 2022-04-30 |
| 2022-04-26 | 4170.00 | 未披露 | 定期报告 | 2022-04-22 |
| 2022-05-02 | 4172.68 | 未披露 | 定期报告 | 2022-04-18 |
| 2022-05-09 | 4171.69 | 未披露 |
更多>>
From December 31, 2021 to March 31, 2022
Issuance of common stock
|
2022-03-31 |
| 2022-03-10 | 4151.81 | 未披露 | 定期报告 | 2022-03-08 |
| 2022-03-09 | 4132.22 | 未披露 | 定期报告 | 2022-02-28 |
| 2022-03-09 | 4130.76 | 未披露 | 定期报告 | 2021-12-31 |
| 2021-11-09 | 4127.93 | 未披露 | 定期报告 | 2021-10-31 |
| 2021-11-09 | 4127.74 | 未披露 | 定期报告 | 2021-09-30 |
| 2021-08-09 | 4114.02 | 未披露 | 定期报告 | 2021-07-31 |
| 2021-08-09 | 4100.06 | 未披露 | 定期报告 | 2021-06-30 |
| 2021-05-06 | 4085.12 | 未披露 | 定期报告 | 2021-04-30 |
| 2021-05-06 | 4073.18 | 未披露 | 定期报告 | 2021-03-31 |
| 2021-03-04 | 4071.56 | 未披露 | 定期报告 | 2021-02-28 |
| 2021-03-04 | 4070.50 | 未披露 |
更多>>
From December 31,2019 to December 31,2020
Issuance of common stock from exercise of warrants
|
2020-12-31 |
| 2020-11-05 | 4054.66 | 未披露 | 定期报告 | 2020-10-29 |
| 2020-11-05 | 4046.10 | 未披露 | 定期报告 | 2020-09-30 |
| 2020-07-30 | 4036.22 | 未披露 | 定期报告 | 2020-07-24 |
| 2020-07-30 | 4033.60 | 未披露 | 定期报告 | 2020-06-30 |
| 2020-06-18 | 4032.33 | 未披露 | 定期报告 | 2020-06-05 |
| 2020-04-29 | 4028.29 | 未披露 | 定期报告 | 2020-04-20 |
| 2020-05-11 | 4025.99 | 未披露 | 定期报告 | 2020-03-31 |
| 2020-03-02 | 4011.12 | 未披露 | 定期报告 | 2020-02-18 |
| 2020-03-02 | 3994.13 | 未披露 |
更多>>
From December 31, 2018 to December 31, 2019
Issuance of common stock from exercise of warrants
|
2019-12-31 |
| 2019-11-12 | 3923.10 | 未披露 | 定期报告 | 2019-11-04 |
| 2019-11-12 | 3911.09 | 未披露 |
更多>>
from June 30, 2019 to September 30, 2019
Issuance of common stock from exercise of warrants
|
2019-09-30 |
| 2019-08-09 | 3829.85 | 未披露 | 定期报告 | 2019-07-26 |
| 2019-08-09 | 3784.52 | 未披露 |
更多>>
from December 31, 2018 to June 30, 2019
Issuance of common stock from exercise of warrants
|
2019-06-30 |
| 2019-05-06 | 3751.43 | 未披露 | 定期报告 | 2019-04-26 |
| 2019-05-06 | 3738.20 | 未披露 | 定期报告 | 2019-03-31 |
| 2019-03-18 | 3728.97 | 未披露 | 定期报告 | 2019-03-06 |
| 2019-02-28 | 3716.90 | 未披露 | 定期报告 | 2019-02-15 |
| 2019-02-28 | 3697.83 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Issuance of common stock from exercise of warrants
Issuance of common stock for GulfMark business combination
|
2018-12-31 |
| 2018-11-13 | 2784.45 | 未披露 | 定期报告 | 2018-11-09 |
| 2018-11-13 | 2726.33 | 未披露 | 定期报告 | 2018-11-02 |
| 2018-10-29 | 2718.75 | 未披露 | 定期报告 | 2018-10-23 |
| 2018-10-15 | 2717.69 | 未披露 | 定期报告 | 2018-10-09 |
| 2018-11-13 | 2681.60 | 未披露 |
更多>>
from December 31, 2017 to September 30, 2018
Issuance of common stock
|
2018-09-30 |
| 2018-08-30 | 2643.58 | 未披露 | 定期报告 | 2018-08-20 |
| 2018-08-14 | 2608.52 | 未披露 | 定期报告 | 2018-07-27 |
| 2018-08-14 | 2608.53 | 未披露 |
更多>>
From December 31, 2017 to June 30, 2018
Issuance of common stock
|
2018-06-30 |
| 2018-05-15 | 2410.21 | 未披露 | 定期报告 | 2018-04-27 |
| 2018-05-15 | 2211.59 | 未披露 |
更多>>
From December 31, 2017 to March 31, 2018
Issuance of common stock
|
2018-03-31 |
| 2018-03-22 | 2373.06 | 未披露 | 定期报告 | 2018-03-09 |
| 2018-03-15 | 2365.82 | 未披露 | 定期报告 | 2018-02-28 |
| 2018-03-15 | 2211.59 | 未披露 |
更多>>
from August 1, 2017 to December 31, 2017
Issuance of common stock
|
2017-12-31 |
| 2017-11-09 | 2191.54 | 未披露 | 定期报告 | 2017-10-27 |
| 2017-11-09 | 2073.81 | 未披露 |
更多>>
from August 1, 2017 to September 30, 2017
Issuance of common stock
|
2017-09-30 |
| 2017-08-09 | 4712.14 | 未披露 | 定期报告 | 2017-07-28 |
| 2017-07-18 | 4711.77 | 未披露 | 定期报告 | 2017-07-14 |
| 2017-06-13 | 4712.13 | 未披露 |
更多>>
from March 31, 2016 to March 31, 2017
Amortization/cancellation of restricted stock units
|
2017-03-31 |
| 2017-02-08 | 4706.85 | 未披露 | 定期报告 | 2016-12-31 |
| 2016-11-08 | 4706.81 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-08-09 | 4706.78 | 未披露 | 定期报告 | 2016-07-29 |
| 2016-08-09 | 4706.77 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-07-25 | 4706.77 | 未披露 | 定期报告 | 2016-05-31 |
| 2016-05-26 | 4706.77 | 未披露 |
更多>>
From March 31, 2015 to March 31, 2016
Amortization of restricted stock units
Amortization/cancellation of restricted stock
|
2016-03-31 |
| 2016-02-03 | 4696.96 | 未披露 |
更多>>
from March 31, 2015 to December 31, 2015
Amortization of restricted stock units
Amortization/cancellation of restricted stock
|
2015-12-31 |
| 2015-11-04 | 4696.78 | 未披露 |
更多>>
from March 31, 2015 to September 30, 2015
Amortization of restricted stock units
Amortization/cancellation of restricted stock
|
2015-09-30 |
| 2015-08-10 | 4696.76 | 未披露 | 定期报告 | 2015-07-31 |
| 2015-08-10 | 4696.55 | 未披露 |
更多>>
from March 31, 2015 to June 08, 2015
Amortization/cancellation of restricted stock
|
2015-06-08 |
| 2015-05-28 | 4702.94 | 未披露 |
更多>>
from March 31, 2014 to March 31, 2015
Stock option activity
Retirement of common stock
Amortization of restricted stock units
Amortization/cancellation of restricted stock
|
2015-03-31 |
| 2015-02-09 | 4688.56 | 未披露 | 定期报告 | 2015-01-23 |
| 2015-02-09 | 4688.65 | 未披露 |
更多>>
from March 31, 2014 to December 31, 2014
Exercise of stock options
Retirement of common stock
Amortization of restricted stock units
Amortization/cancellation of restricted stock
|
2014-12-31 |
| 2014-11-04 | 4972.81 | 未披露 |
更多>>
from March 31, 2014 to September 30, 2014
Exercise of stock options
Amortization of restricted stock units
Amortization/cancellation of restricted stock
|
2014-09-30 |
| 2014-08-06 | 4972.07 | 未披露 |
更多>>
from March 31, 2014 to June 30, 2014
Exercise of stock options
Amortization/cancellation of restricted stock
|
2014-06-30 |
| 2014-06-27 | 4971.87 | 未披露 | 定期报告 | 2014-06-13 |
| 2014-05-21 | 4973.04 | 未披露 |
更多>>
from March 31, 2013 to March 31, 2014
Stock option activity
Amortization of restricted stock units
Amortization/cancellation of restricted stock
|
2014-03-31 |
| 2014-02-05 | 4963.97 | 未披露 | 定期报告 | 2014-01-24 |
| 2014-02-05 | 4962.10 | 未披露 |
更多>>
from March 31, 2013 to December 31, 2013
Stock option activity
Amortization/cancellation of restricted stock
|
2013-12-31 |
| 2013-11-05 | 4958.42 | 未披露 | 定期报告 | 2013-10-25 |
| 2013-11-05 | 4957.73 | 未披露 |
更多>>
from March 31, 2013 to September 30, 2013
Stock option activity
Amortization/cancellation of restricted stock
|
2013-09-30 |
| 2013-08-06 | 4953.84 | 未披露 | 定期报告 | 2013-07-19 |
| 2013-08-06 | 4950.71 | 未披露 |
更多>>
from March 31, 2013 to June 30, 2013
Stock option activity
Amortization/cancellation of restricted stock
|
2013-06-30 |
| 2013-06-28 | 4947.61 | 未披露 | 定期报告 | 2013-06-13 |
| 2013-05-21 | 4949.47 | 未披露 | 定期报告 | 2013-04-30 |
| 2013-05-21 | 4948.58 | 未披露 |
更多>>
From March 31, 2012 to March 31, 2013
Stock option activity
Retirement of common stock
Amortization of restricted stock units
Amortization/cancellation of restricted stock
|
2013-03-31 |
| 2013-02-01 | 4939.76 | 未披露 |
更多>>
from March 31, 2012 to December 31, 2012
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
|
2012-12-31 |
| 2012-11-06 | 4982.37 | 未披露 |
更多>>
from March 31, 2012 to September 30, 2012
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
|
2012-09-30 |
| 2012-08-08 | 4982.62 | 未披露 | 定期报告 | 2012-07-27 |
| 2012-08-08 | 4982.01 | 未披露 |
更多>>
from March 31, 2012 to June 30, 2012
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
|
2012-06-30 |
| 2012-06-15 | 4991.70 | 未披露 | 定期报告 | 2012-06-01 |
| 2012-05-21 | 5125.21 | 未披露 | 定期报告 | 2012-04-30 |
| 2012-05-21 | 5125.10 | 未披露 |
更多>>
from March 31, 2011 to March 31, 2012
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
|
2012-03-31 |
| 2012-02-02 | 5116.27 | 未披露 | 定期报告 | 2011-12-31 |
| 2011-11-04 | 5189.86 | 未披露 | 定期报告 | 2011-09-30 |
| 2011-08-04 | 5187.92 | 未披露 | 定期报告 | 2011-06-30 |
| 2011-05-19 | 5187.60 | 未披露 |
更多>>
from March 31 2010 to March 31 2011
Issuance of restricted stock
Retirement of common stock
Amortization/cancellation of restricted stock
Stock option activity
|
2011-03-31 |
| 2011-02-04 | 5144.10 | 未披露 | 定期报告 | 2010-12-31 |
| 2010-11-03 | 5142.12 | 未披露 | 定期报告 | 2010-09-30 |
| 2010-08-05 | 5137.60 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-05-20 | 5185.85 | 未披露 | 定期报告 | 2010-05-11 |
| 2010-05-20 | 5183.00 | 未披露 |
更多>>
from March 31 2009 to March 31 2010
Issuance of restricted stock
Stock option activity
Amortization/cancellation of restricted stock
|
2010-03-31 |
| 2009-05-14 | 5169.98 | 未披露 | 定期报告 | 2009-05-05 |
| 2009-05-14 | 5169.62 | 未披露 |
更多>>
from March 31, 2008 to March 31, 2009
Issuance of restricted stock
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
|
2009-03-31 |
| 2008-05-30 | 5145.08 | 未披露 | 定期报告 | 2008-05-13 |
| 2008-05-30 | 5231.88 | 未披露 |
更多>>
from March 31, 2007 to March 31, 2008
Issuance of restricted stock
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
|
2008-03-31 |
| 2007-05-25 | 5627.64 | 未披露 | 定期报告 | 2007-04-06 |
| 2007-05-25 | 5747.69 | 未披露 |
更多>>
from March 31, 2006 to March 31, 2007
Issuance of restricted stock
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
|
2007-03-31 |
| 2006-05-30 | 5816.12 | 未披露 | 定期报告 | 2006-04-07 |
| 2006-05-30 | 6031.02 | 未披露 |
更多>>
from March 31, 2005 to March 31, 2006
Issuance of restricted stock
Exercise of stock options
|
2006-03-31 |
| 2005-06-14 | 5751.84 | 未披露 | 定期报告 | 2005-04-08 |
| 2005-06-14 | 6071.82 | 未披露 |
更多>>
from March 31, 2004 to March 31, 2005
Issuance of restricted stock
|
2005-03-31 |
| 2004-04-21 | 5703.53 | 未披露 | 定期报告 | 2004-04-09 |
| 2004-04-21 | 6069.94 | 未披露 |
更多>>
from March 31, 2003 to March 31, 2004
Issuance of restricted stock
Exercise of stock options
|
2004-03-31 |
| 2003-04-22 | 5663.98 | 未披露 | 定期报告 | 2003-04-11 |
| 2003-04-22 | 6057.89 | 未披露 | 定期报告 | 2003-03-31 |
| 2002-04-25 | 5623.12 | 未披露 | 定期报告 | 2002-04-15 |
| 2002-04-25 | 6058.07 | 未披露 |
更多>>
from March 31, 2001 to March 31, 2002
Issuance of restricted stock
|
2002-03-31 |
| 2001-05-01 | 5604.76 | 未披露 | 定期报告 | 2001-04-23 |
| 2001-05-01 | 6054.32 | 未披露 |
更多>>
from March 31, 2000 to March 31, 2001
Exercise of stock options
|
2001-03-31 |
| 2000-05-04 | 5565.60 | 未披露 | 定期报告 | 2000-04-24 |
| 2000-05-04 | 6056.19 | 未披露 |
更多>>
from March 31, 1999 to March 31, 2000
Exercise of stock options
|
2000-03-31 |
| 1999-04-29 | 5558.10 | 未披露 | 定期报告 | 1999-04-22 |
| 1999-04-29 | 6056.69 | 未披露 |
更多>>
from March 31, 1998 to March 31, 1999
Exercise of stock options
Common stock purchased
Establishment of GSOP
|
1999-03-31 |
| 1998-05-04 | 5949.47 | 未披露 | 定期报告 | 1998-04-28 |
| 1998-05-04 | 5948.28 | 未披露 |
更多>>
from March 31, 1997 to March 31, 1998
Issuance of restricted stock
Exercise of stock options
Common stock purchased
|
1998-03-31 |
| 1997-05-01 | 6034.16 | 未披露 | 定期报告 | 1997-04-25 |
| 1997-05-01 | 6033.49 | 未披露 |
更多>>
from March 31, 1996 to March 31, 1997
Exercise of stock options
Stock repurchases
|
1997-03-31 |
| 1996-05-09 | 6191.98 | 未披露 | 定期报告 | 1996-05-02 |
| 1996-05-09 | 6188.27 | 未披露 |
更多>>
from March 31, 1995 to March 31, 1996
Exercise of stock options
|
1996-03-31 |
| 1995-05-02 | 5323.78 | 未披露 |
更多>>
from March 31, 1994 to March 31, 1995
Exercise of stock options
Issuance of restricted stock
|
1995-03-31 |
| 1994-05-06 | 5307.27 | 未披露 | 定期报告 | 1994-05-02 |
| 1994-05-06 | 5302.30 | 未披露 |
更多>>
from March 31, 1993 to March 31, 1994
Treasury stock changes
Exercise of stock options
|
1994-03-31 |
| 1994-05-06 | 5288.38 | 未披露 |
更多>>
from March 31, 1992 to March 31, 1993
Exercise of stock options and issuance of restricted stock
Contribution of treasury stock to employee benefit plans
Treasury stock additions
|
1993-03-31 |
From December 31, 2024 to September 30, 2025
Issuance of common stock
Repurchase and retirement of common stock
From March 31, 2025 to June 30, 2025
Repurchase and retirement of common stock
From December 31, 2024 to March 31, 2025
Repurchase and retirement of common stock
From December 31, 2023 to December 31, 2024
Issuance of common stock
Repurchase and retirement of common stock
From March 31, 2024 to June 30, 2024
Repurchase and retirement of common stock
From December 31, 2023 to March 31, 2024
Issuance of common stock
From December 31, 2022 to December 31, 2023
Exercise of warrants into common stock
Repurchase and retirement of common stock
From June 30, 2023 to September 30, 2023
Exercise of warrants into common stock
From December 31, 2021 to December 31, 2022
Issuance of common stock
Common Stock Being Offered 3,987,914 shares
From December 31, 2021 to March 31, 2022
Issuance of common stock
From December 31,2019 to December 31,2020
Issuance of common stock from exercise of warrants
From December 31, 2018 to December 31, 2019
Issuance of common stock from exercise of warrants
from June 30, 2019 to September 30, 2019
Issuance of common stock from exercise of warrants
from December 31, 2018 to June 30, 2019
Issuance of common stock from exercise of warrants
from December 31, 2017 to December 31, 2018
Issuance of common stock from exercise of warrants
Issuance of common stock for GulfMark business combination
from December 31, 2017 to September 30, 2018
Issuance of common stock
From December 31, 2017 to June 30, 2018
Issuance of common stock
From December 31, 2017 to March 31, 2018
Issuance of common stock
from August 1, 2017 to December 31, 2017
Issuance of common stock
from August 1, 2017 to September 30, 2017
Issuance of common stock
from March 31, 2016 to March 31, 2017
Amortization/cancellation of restricted stock units
From March 31, 2015 to March 31, 2016
Amortization of restricted stock units
Amortization/cancellation of restricted stock
from March 31, 2015 to December 31, 2015
Amortization of restricted stock units
Amortization/cancellation of restricted stock
from March 31, 2015 to September 30, 2015
Amortization of restricted stock units
Amortization/cancellation of restricted stock
from March 31, 2015 to June 08, 2015
Amortization/cancellation of restricted stock
from March 31, 2014 to March 31, 2015
Stock option activity
Retirement of common stock
Amortization of restricted stock units
Amortization/cancellation of restricted stock
from March 31, 2014 to December 31, 2014
Exercise of stock options
Retirement of common stock
Amortization of restricted stock units
Amortization/cancellation of restricted stock
from March 31, 2014 to September 30, 2014
Exercise of stock options
Amortization of restricted stock units
Amortization/cancellation of restricted stock
from March 31, 2014 to June 30, 2014
Exercise of stock options
Amortization/cancellation of restricted stock
from March 31, 2013 to March 31, 2014
Stock option activity
Amortization of restricted stock units
Amortization/cancellation of restricted stock
from March 31, 2013 to December 31, 2013
Stock option activity
Amortization/cancellation of restricted stock
from March 31, 2013 to September 30, 2013
Stock option activity
Amortization/cancellation of restricted stock
from March 31, 2013 to June 30, 2013
Stock option activity
Amortization/cancellation of restricted stock
From March 31, 2012 to March 31, 2013
Stock option activity
Retirement of common stock
Amortization of restricted stock units
Amortization/cancellation of restricted stock
from March 31, 2012 to December 31, 2012
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
from March 31, 2012 to September 30, 2012
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
from March 31, 2012 to June 30, 2012
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
from March 31, 2011 to March 31, 2012
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
from March 31 2010 to March 31 2011
Issuance of restricted stock
Retirement of common stock
Amortization/cancellation of restricted stock
Stock option activity
from March 31 2009 to March 31 2010
Issuance of restricted stock
Stock option activity
Amortization/cancellation of restricted stock
from March 31, 2008 to March 31, 2009
Issuance of restricted stock
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
from March 31, 2007 to March 31, 2008
Issuance of restricted stock
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
from March 31, 2006 to March 31, 2007
Issuance of restricted stock
Stock option activity
Retirement of common stock
Amortization/cancellation of restricted stock
from March 31, 2005 to March 31, 2006
Issuance of restricted stock
Exercise of stock options
from March 31, 2004 to March 31, 2005
Issuance of restricted stock
from March 31, 2003 to March 31, 2004
Issuance of restricted stock
Exercise of stock options
from March 31, 2001 to March 31, 2002
Issuance of restricted stock
from March 31, 2000 to March 31, 2001
Exercise of stock options
from March 31, 1999 to March 31, 2000
Exercise of stock options
from March 31, 1998 to March 31, 1999
Exercise of stock options
Common stock purchased
Establishment of GSOP
from March 31, 1997 to March 31, 1998
Issuance of restricted stock
Exercise of stock options
Common stock purchased
from March 31, 1996 to March 31, 1997
Exercise of stock options
Stock repurchases
from March 31, 1995 to March 31, 1996
Exercise of stock options
from March 31, 1994 to March 31, 1995
Exercise of stock options
Issuance of restricted stock
from March 31, 1993 to March 31, 1994
Treasury stock changes
Exercise of stock options
from March 31, 1992 to March 31, 1993
Exercise of stock options and issuance of restricted stock
Contribution of treasury stock to employee benefit plans
Treasury stock additions