股本结构
单位：万股
| 公告日期 | 2026-03-13 | 2025-12-12 | 2025-09-12 | 2025-08-15 | 2024-12-06 | 2024-09-06 |
|---|---|---|---|---|---|---|
| 证券总股本 | 1266.28 | 1266.28 | 1260.53 | 1260.53 | 1255.91 | 1249.03 |
| 普通股本 | 1266.28 | 1266.28 | 1260.53 | 1260.53 | 1255.91 | 1249.03 |
| 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 | 2026-02-01 | 2025-11-02 | 2025-08-03 | 2025-07-29 | 2024-10-27 | 2024-09-05 |
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 |
|---|---|---|---|---|
| 2026-03-13 | 1266.28 | 未披露 | 定期报告 | 2026-02-01 |
| 2025-12-12 | 1266.28 | 未披露 |
更多>>
From August 3,2025 to November 2,2025
Common stock issued in connection with the vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
|
2025-11-02 |
| 2025-09-12 | 1260.53 | 未披露 |
更多>>
From April 27, 2025 to August 3, 2025
Common stock issued in connection with the vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
|
2025-08-03 |
| 2025-08-15 | 1260.53 | 未披露 | 定期报告 | 2025-07-29 |
| 2024-12-06 | 1255.91 | 未披露 |
更多>>
From July 28, 2024 to October 27, 2024
Common stock issued in connection with the vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
|
2024-10-27 |
| 2024-09-06 | 1249.03 | 未披露 | 定期报告 | 2024-09-05 |
| 2024-07-12 | 1246.99 | 未披露 |
更多>>
From April 30, 2023 to April 28, 2024
Common stock issued in connection with vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes immediately vested common stock awards
|
2024-04-28 |
| 2023-12-08 | 1246.99 | 未披露 |
更多>>
From July 30, 2023 to October 29, 2023
Common stock issued in connection with the vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
|
2023-10-29 |
| 2023-09-08 | 1245.73 | 未披露 | 定期报告 | 2023-09-05 |
| 2023-08-24 | 1245.62 | 未披露 | 定期报告 | 2023-08-08 |
| 2023-07-14 | 1234.40 | 未披露 | 定期报告 | 2023-07-11 |
| 2023-07-14 | 1232.74 | 未披露 |
更多>>
From May 1,2023 to April 30, 2023
Common stock issued in connection with vesting of performance-based restricted stock units
Common stock issued in connection with vesting of time-based restricted stock units
Immediately vested common stock awards
Common stock surrendered in connection with payroll withholding taxes
|
2023-04-30 |
| 2023-03-09 | 1231.16 | 未披露 |
更多>>
From October 30, 2022 to January 29, 2023
Fully vested common stock award
|
2023-01-29 |
| 2022-12-09 | 1229.38 | 未披露 |
更多>>
From July 31, 2022 to October 30, 2022
Common stock issued in connection with the vesting of performance-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
Fully vested common stock award
|
2022-10-30 |
| 2022-08-24 | 1227.48 | 未披露 | 定期报告 | 2022-07-28 |
| 2022-07-15 | 1224.84 | 未披露 | 定期报告 | 2022-07-13 |
| 2022-07-15 | 1222.86 | 未披露 |
更多>>
From May 2, 2021 to May 1, 2022
common stock issued in connection with vesting of performance-based restricted stock units
immediately vested common stock awards
common stock surrendered in connection with payroll withholding taxes
common stock repurchased
|
2022-05-01 |
| 2022-03-11 | 1221.81 | 未披露 |
更多>>
From October 31, 2021 to January 30, 2022
Immediately vested common stock award
|
2022-01-30 |
| 2021-12-10 | 1220.97 | 未披露 |
更多>>
From August 1, 2021 to October 31, 2021
Common stock repurchased
Immediately vested common stock award
|
2021-10-31 |
| 2021-09-10 | 1220.33 | 未披露 | 定期报告 | 2021-09-08 |
| 2021-09-10 | 1227.63 | 未披露 |
更多>>
From May 2, 2021 to August 1, 2021
Common stock issued in connection with vesting of performance-based restricted stock units
Common stock surrendered for withholding taxes payable
Fully vested common stock award
Common stock repurchased
|
2021-08-01 |
| 2021-08-25 | 1227.81 | 未披露 | 定期报告 | 2021-07-29 |
| 2021-07-16 | 1232.27 | 未披露 | 定期报告 | 2021-07-09 |
| 2021-07-16 | 1231.28 | 未披露 |
更多>>
From May 3, 2020 To May 2, 2021
Common stock issued in connection with vesting of performance-based restricted stock units
Immediately vested common stock awards
Common stock surrendered in connection with payroll withholding taxes
|
2021-05-02 |
| 2021-03-12 | 1230.84 | 未披露 |
更多>>
From November 1, 2020 to January 31, 2021
Fully vested common stock award
Common stock issued in connection with vesting of performance-based restricted stock units
Common stock surrendered for withholding taxes payable
|
2021-01-31 |
| 2020-12-11 | 1230.38 | 未披露 | 定期报告 | 2020-12-10 |
| 2020-12-11 | 1230.30 | 未披露 |
更多>>
From August 2, 2020 to November 1, 2020
Fully vested common stock award
Common stock issued in connection with vesting of performance-based restricted stock units
Common stock surrendered for withholding taxes payable
|
2020-11-01 |
| 2020-09-11 | 1229.78 | 未披露 | 定期报告 | 2020-09-08 |
| 2020-09-11 | 1229.19 | 未披露 |
更多>>
From May 3, 2020 to July 30, 2020
Fully vested common stock award
|
2020-07-30 |
| 2020-07-17 | 1228.49 | 未披露 |
更多>>
From April 28, 2019 to May 3, 2020
Common stock issued in connection with vesting of performance-based restricted stock units
Fully vested common stock award
Common stock surrendered for withholding taxes payable
Common stock repurchased
|
2020-05-03 |
| 2020-03-13 | 1227.44 | 未披露 | 定期报告 | 2020-03-12 |
| 2020-03-13 | 1236.12 | 未披露 |
更多>>
from November 3, 2019 to February 2, 2020
Fully vested common stock award
Common stock repurchased
|
2020-02-02 |
| 2019-12-13 | 1241.20 | 未披露 |
更多>>
from August 4, 2019 to November 3, 2019
Common stock issued in connection with vesting of performance based restricted stock units
Fully vested common stock award
Common stock surrendered for withholding taxes payable
|
2019-11-03 |
| 2019-08-22 | 1240.50 | 未披露 | 定期报告 | 2019-07-26 |
| 2019-07-12 | 1239.12 | 未披露 |
更多>>
from April 29, 2018 to April 28, 2019
Common stock issued in connection with vesting of performance based restricted stock units
Fully vested common stock award
Common stock issued in connection with vesting of time-based restricted stock units
Common stock surrendered for withholding taxes payable
Common stock repurchased
|
2019-04-28 |
| 2019-03-08 | 1236.84 | 未披露 |
更多>>
From October 28, 2018 To January 27, 2019
Common stock repurchased
|
2019-01-27 |
| 2018-12-07 | 1249.20 | 未披露 |
更多>>
From April 29, 2018 To October 28, 2018
Common stock issued in connection with vesting of performance based restricted stock units
Common stock issued in connection with vesting of time-based restricted stock unit
Fully vested common stock award
Common stock surrendered for withholding taxes payable
Common stock repurcchased
|
2018-10-28 |
| 2018-09-07 | 1252.22 | 未披露 |
更多>>
From April 29, 2018 To July 29, 2018
Common stock issued in connection with vesting of performance based restricted stock units
Common stock issued in connection with vesting of time-based restricted stock unit
Common stock surrendered for withholding taxes payable
Common stock repurcchased
|
2018-07-29 |
| 2018-08-17 | 1252.52 | 未披露 | 定期报告 | 2018-07-20 |
| 2018-03-09 | 1245.03 | 未披露 |
更多>>
From April 30, 2017 To January 28, 2018
Common stock issued in connection with vesting of performance based restricted stock units
Fully vested common stock award
Common stock issued in connection with vesting of time-based restricted stock unit
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2018-01-28 |
| 2017-12-08 | 1243.53 | 未披露 |
更多>>
From April 30, 2017 To October 29, 2017
Common stock issued in connection with vesting of performance based restricted stock units
Fully vested common stock award
Common stock issued in connection with vesting of time-based restricted stock unit
Common stock issued in connection with exercise of stock options of stock options withholding taxes payable
|
2017-10-29 |
| 2017-09-08 | 1244.12 | 未披露 |
更多>>
From May 1, 2016 to July 20, 2017
Common stock issued in connection with performance based units
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2017-07-20 |
| 2017-07-14 | 1235.66 | 未披露 |
更多>>
From May 1, 2016 to April 30, 2017
Common stock issued in connection with vesting of performance-based restricted stock units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock issued surrendered for withholding taxes payable
|
2017-04-30 |
| 2017-03-10 | 1231.48 | 未披露 |
更多>>
from May 1, 2016 to January 29, 2017
Common stock issued in connection with performance based units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2017-01-29 |
| 2016-12-09 | 1231.18 | 未披露 |
更多>>
From May 1, 2016 to October 30, 2016
Common stock issued in connection with performance based units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2016-10-30 |
| 2016-09-09 | 1230.70 | 未披露 |
更多>>
From May 1,2016 to July 31,2016
Common stock issued in connection with performance based units
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2016-07-31 |
| 2016-07-15 | 1226.55 | 未披露 |
更多>>
From May 3, 2015 to May 1, 2016
Common stock repurchased
Common stock issued in connection with vesting of performance-based restricted stock units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock issued surrendered for withholding taxes payable
|
2016-05-01 |
| 2016-03-11 | 1225.05 | 未披露 |
更多>>
from May 3, 2015 to January 31, 2016
Common stock repurchased
Common stock issued in connection with performance based units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2016-01-31 |
| 2016-03-01 | 1225.00 | 未披露 | 定期报告 | 2015-12-31 |
| 2015-12-11 | 1235.03 | 未披露 |
更多>>
from May 3, 2015 to November 1, 2015
Common stock issued in connection with performance based units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2015-11-01 |
| 2015-09-11 | 1233.88 | 未披露 |
更多>>
from May 3, 2015 to August 2, 2015
Common stock issued in connection with performance based units
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2015-08-02 |
| 2015-03-13 | 1221.91 | 未披露 |
更多>>
from April 27, 2014 to February 1, 2015
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2015-02-01 |
| 2014-12-12 | 1221.85 | 未披露 |
更多>>
from April 27, 2014 to November 2, 2014
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
|
2014-11-02 |
| 2014-09-12 | 1221.68 | 未披露 |
更多>>
from April 27, 2014 to August 3, 2014
Common stock repurchased
Common stock surrendered for withholding taxes payable
|
2014-08-03 |
| 2013-12-06 | 1225.00 | 未披露 |
更多>>
from April 28, 2013 to October 27, 2013
Common stock issued in connection with stock option plans
Fully vested common stock award
Common stock surrendered for withholding taxes payable
|
2013-10-27 |
| 2013-09-06 | 1224.14 | 未披露 |
更多>>
from April 28, 2013 to July 17, 2013
Common stock issued in connection with stock option plans
Common stock surrendered for withholding taxes payable
|
2013-07-17 |
| 2013-03-08 | 1222.49 | 未披露 |
更多>>
from April 29, 2012 to January 27, 2013
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
|
2013-01-27 |
| 2012-12-07 | 1220.87 | 未披露 |
更多>>
from April 29, 2012 to October 28, 2012
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
|
2012-10-28 |
| 2012-09-07 | 1220.02 | 未披露 | 定期报告 | 2012-08-31 |
| 2012-09-07 | 1265.55 | 未披露 |
更多>>
from April 29, 2012 to July 29, 2012
Common stock repurchased
|
2012-07-29 |
| 2012-08-15 | 1267.88 | 未披露 | 定期报告 | 2012-07-17 |
| 2012-07-12 | 1270.28 | 未披露 |
更多>>
from May 1, 2011 to April 29, 2012
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
|
2012-04-29 |
| 2012-03-09 | 1269.26 | 未披露 |
更多>>
from May 1, 2011 to January 29, 2012
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
|
2012-01-29 |
| 2011-12-09 | 1276.68 | 未披露 |
更多>>
from May 1,2011 to Oct 30,2011
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
|
2011-10-30 |
| 2011-09-09 | 1318.13 | 未披露 |
更多>>
from May 1, 2011 to July 31, 2011
Common stock repurchased
Common stock issued in connection with stock option plans
|
2011-07-31 |
| 2011-07-15 | 1326.45 | 未披露 |
更多>>
from May 2 2010 to May 1 2011
Common stock issued in connection with performance based units
Common stock surrendered for withholding taxes payable and cost of option exercises
Fully vested common stock award
Common stock issued in connection with stock option plans
|
2011-05-01 |
| 2011-03-11 | 1321.39 | 未披露 |
更多>>
from May 2, 2010 to January 30, 2011
Common stock issued in connection with performance based units
Common stock issued in connection with stock option exercises
Fully vested common stock award
Common stock surrendered for withholding taxes payable and cost of option exercises
|
2011-01-30 |
| 2010-12-10 | 1319.89 | 未披露 |
更多>>
from May 2, 2010 to October 31, 2010
Common stock issued in connection with performance based units
Common stock issued in connection with stock option exercises
Fully vested common stock award
Common stock surrendered for withholding taxes payable and cost of option exercises
|
2010-10-31 |
| 2010-09-10 | 1308.41 | 未披露 |
更多>>
from May 2, 2010 to August 1, 2010
Common stock issued in connection with stock option plans
|
2010-08-01 |
| 2010-07-15 | 1305.18 | 未披露 |
更多>>
from May 3, 2009 to May 2, 2010
Restricted stock granted
Common stock issued in connection with performance based units
Common stock surrendered for withholding taxes payable
Common stock issued in connection with stock option plans
|
2010-05-02 |
| 2009-07-16 | 1276.75 | 未披露 |
更多>>
from April 27, 2008 to May 3, 2009
restricted stock granted
common stock issued in connection with stock option plans
|
2009-05-03 |
| 2008-07-10 | 1264.80 | 未披露 |
更多>>
from April 29, 2007 to April 27, 2008
common stock issued in connection with stock option plans
|
2008-04-27 |
| 2007-07-19 | 1256.93 | 未披露 |
更多>>
from April 30, 2006 to April 29, 2007
common stock issued in connection with the acquisition of assets
common stock issued in connection with stock option plans
|
2007-04-29 |
| 2006-07-26 | 1165.50 | 未披露 |
更多>>
from May 1, 2005 to April 30, 2006
common stock issued in connection with stock option plans
|
2006-04-30 |
| 2005-07-12 | 1155.08 | 未披露 |
更多>>
from May 2, 2004 to May 1, 2005
common stock issued in connection with stock option plans
|
2005-05-01 |
| 2004-07-16 | 1154.66 | 未披露 |
更多>>
from April 27, 2003 to May 2, 2004
common stock issued in connection with stock option plans
|
2004-05-02 |
| 2003-07-28 | 1151.55 | 未披露 |
更多>>
from April 28, 2002 to April 27, 2003
common stock issued in connection with stock option plans
|
2003-04-27 |
| 2002-07-26 | 1148.30 | 未披露 | 定期报告 | 2002-07-24 |
| 2002-07-26 | 1131.96 | 未披露 |
更多>>
from April 29, 2001 to April 28, 2002
common stock issued in connection with stock option plans
|
2002-04-28 |
| 2001-07-26 | 1122.12 | 未披露 |
更多>>
from April 30, 2000 to April 29, 2001
common stock issued in connection with stock option plans
|
2001-04-29 |
| 2000-07-28 | 1120.87 | 未披露 |
更多>>
from May 2, 1999 to April 30, 2000
common stock issued in connection with stock option plans
common stock purchased
|
2000-04-30 |
| 1999-07-30 | 1204.05 | 未披露 | 定期报告 | 1999-07-19 |
| 1999-07-30 | 1207.92 | 未披露 |
更多>>
from May 3, 1998 to May 2, 1999
common stock purchased
common stock issued in connection with stock option plans
|
1999-05-02 |
| 1998-07-31 | 1299.50 | 未披露 | 定期报告 | 1998-07-22 |
| 1998-07-31 | 1300.70 | 未披露 |
更多>>
from April 27, 1997 to May 3, 1998
common stock issued in connection with acquisition of Artee Industries, Incorporated's assets
common stock issued in connection with stock option plans
|
1998-05-03 |
| 1997-07-25 | 1264.37 | 未披露 | 定期报告 | 1997-07-08 |
| 1997-07-25 | 1260.88 | 未披露 |
更多>>
from April 28, 1996 to April 27, 1997
proceeds from public offering of 1,200,000 shares
common stock issued in connection with stock option plan
|
1997-04-27 |
| 1996-07-25 | 1130.26 | 未披露 | 定期报告 | 1996-07-11 |
| 1996-07-25 | 1129.03 | 未披露 |
更多>>
from April 30, 1995 to April 28, 1996
Common stock issued in connection with stock option plan
|
1996-04-28 |
| 1996-07-25 | 1120.48 | 未披露 |
更多>>
from May 1, 1994 to April 30, 1995
common stock issued in connection with stock option plan
|
1995-04-30 |
From August 3,2025 to November 2,2025
Common stock issued in connection with the vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
From April 27, 2025 to August 3, 2025
Common stock issued in connection with the vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
From July 28, 2024 to October 27, 2024
Common stock issued in connection with the vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
From April 30, 2023 to April 28, 2024
Common stock issued in connection with vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes immediately vested common stock awards
From July 30, 2023 to October 29, 2023
Common stock issued in connection with the vesting of time-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
From May 1,2023 to April 30, 2023
Common stock issued in connection with vesting of performance-based restricted stock units
Common stock issued in connection with vesting of time-based restricted stock units
Immediately vested common stock awards
Common stock surrendered in connection with payroll withholding taxes
From October 30, 2022 to January 29, 2023
Fully vested common stock award
From July 31, 2022 to October 30, 2022
Common stock issued in connection with the vesting of performance-based restricted stock units
Common stock surrendered in connection with payroll withholding taxes
Fully vested common stock award
From May 2, 2021 to May 1, 2022
common stock issued in connection with vesting of performance-based restricted stock units
immediately vested common stock awards
common stock surrendered in connection with payroll withholding taxes
common stock repurchased
From October 31, 2021 to January 30, 2022
Immediately vested common stock award
From August 1, 2021 to October 31, 2021
Common stock repurchased
Immediately vested common stock award
From May 2, 2021 to August 1, 2021
Common stock issued in connection with vesting of performance-based restricted stock units
Common stock surrendered for withholding taxes payable
Fully vested common stock award
Common stock repurchased
From May 3, 2020 To May 2, 2021
Common stock issued in connection with vesting of performance-based restricted stock units
Immediately vested common stock awards
Common stock surrendered in connection with payroll withholding taxes
From November 1, 2020 to January 31, 2021
Fully vested common stock award
Common stock issued in connection with vesting of performance-based restricted stock units
Common stock surrendered for withholding taxes payable
From August 2, 2020 to November 1, 2020
Fully vested common stock award
Common stock issued in connection with vesting of performance-based restricted stock units
Common stock surrendered for withholding taxes payable
From May 3, 2020 to July 30, 2020
Fully vested common stock award
From April 28, 2019 to May 3, 2020
Common stock issued in connection with vesting of performance-based restricted stock units
Fully vested common stock award
Common stock surrendered for withholding taxes payable
Common stock repurchased
from November 3, 2019 to February 2, 2020
Fully vested common stock award
Common stock repurchased
from August 4, 2019 to November 3, 2019
Common stock issued in connection with vesting of performance based restricted stock units
Fully vested common stock award
Common stock surrendered for withholding taxes payable
from April 29, 2018 to April 28, 2019
Common stock issued in connection with vesting of performance based restricted stock units
Fully vested common stock award
Common stock issued in connection with vesting of time-based restricted stock units
Common stock surrendered for withholding taxes payable
Common stock repurchased
From October 28, 2018 To January 27, 2019
Common stock repurchased
From April 29, 2018 To October 28, 2018
Common stock issued in connection with vesting of performance based restricted stock units
Common stock issued in connection with vesting of time-based restricted stock unit
Fully vested common stock award
Common stock surrendered for withholding taxes payable
Common stock repurcchased
From April 29, 2018 To July 29, 2018
Common stock issued in connection with vesting of performance based restricted stock units
Common stock issued in connection with vesting of time-based restricted stock unit
Common stock surrendered for withholding taxes payable
Common stock repurcchased
From April 30, 2017 To January 28, 2018
Common stock issued in connection with vesting of performance based restricted stock units
Fully vested common stock award
Common stock issued in connection with vesting of time-based restricted stock unit
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
From April 30, 2017 To October 29, 2017
Common stock issued in connection with vesting of performance based restricted stock units
Fully vested common stock award
Common stock issued in connection with vesting of time-based restricted stock unit
Common stock issued in connection with exercise of stock options of stock options withholding taxes payable
From May 1, 2016 to July 20, 2017
Common stock issued in connection with performance based units
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
From May 1, 2016 to April 30, 2017
Common stock issued in connection with vesting of performance-based restricted stock units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock issued surrendered for withholding taxes payable
from May 1, 2016 to January 29, 2017
Common stock issued in connection with performance based units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
From May 1, 2016 to October 30, 2016
Common stock issued in connection with performance based units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
From May 1,2016 to July 31,2016
Common stock issued in connection with performance based units
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
From May 3, 2015 to May 1, 2016
Common stock repurchased
Common stock issued in connection with vesting of performance-based restricted stock units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock issued surrendered for withholding taxes payable
from May 3, 2015 to January 31, 2016
Common stock repurchased
Common stock issued in connection with performance based units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
from May 3, 2015 to November 1, 2015
Common stock issued in connection with performance based units
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
from May 3, 2015 to August 2, 2015
Common stock issued in connection with performance based units
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
from April 27, 2014 to February 1, 2015
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
from April 27, 2014 to November 2, 2014
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with exercise of stock options
Common stock surrendered for withholding taxes payable
from April 27, 2014 to August 3, 2014
Common stock repurchased
Common stock surrendered for withholding taxes payable
from April 28, 2013 to October 27, 2013
Common stock issued in connection with stock option plans
Fully vested common stock award
Common stock surrendered for withholding taxes payable
from April 28, 2013 to July 17, 2013
Common stock issued in connection with stock option plans
Common stock surrendered for withholding taxes payable
from April 29, 2012 to January 27, 2013
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
from April 29, 2012 to October 28, 2012
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
from April 29, 2012 to July 29, 2012
Common stock repurchased
from May 1, 2011 to April 29, 2012
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
from May 1, 2011 to January 29, 2012
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
from May 1,2011 to Oct 30,2011
Common stock repurchased
Fully vested common stock award
Common stock issued in connection with stock option plans
from May 1, 2011 to July 31, 2011
Common stock repurchased
Common stock issued in connection with stock option plans
from May 2 2010 to May 1 2011
Common stock issued in connection with performance based units
Common stock surrendered for withholding taxes payable and cost of option exercises
Fully vested common stock award
Common stock issued in connection with stock option plans
from May 2, 2010 to January 30, 2011
Common stock issued in connection with performance based units
Common stock issued in connection with stock option exercises
Fully vested common stock award
Common stock surrendered for withholding taxes payable and cost of option exercises
from May 2, 2010 to October 31, 2010
Common stock issued in connection with performance based units
Common stock issued in connection with stock option exercises
Fully vested common stock award
Common stock surrendered for withholding taxes payable and cost of option exercises
from May 2, 2010 to August 1, 2010
Common stock issued in connection with stock option plans
from May 3, 2009 to May 2, 2010
Restricted stock granted
Common stock issued in connection with performance based units
Common stock surrendered for withholding taxes payable
Common stock issued in connection with stock option plans
from April 27, 2008 to May 3, 2009
restricted stock granted
common stock issued in connection with stock option plans
from April 29, 2007 to April 27, 2008
common stock issued in connection with stock option plans
from April 30, 2006 to April 29, 2007
common stock issued in connection with the acquisition of assets
common stock issued in connection with stock option plans
from May 1, 2005 to April 30, 2006
common stock issued in connection with stock option plans
from May 2, 2004 to May 1, 2005
common stock issued in connection with stock option plans
from April 27, 2003 to May 2, 2004
common stock issued in connection with stock option plans
from April 28, 2002 to April 27, 2003
common stock issued in connection with stock option plans
from April 29, 2001 to April 28, 2002
common stock issued in connection with stock option plans
from April 30, 2000 to April 29, 2001
common stock issued in connection with stock option plans
from May 2, 1999 to April 30, 2000
common stock issued in connection with stock option plans
common stock purchased
from May 3, 1998 to May 2, 1999
common stock purchased
common stock issued in connection with stock option plans
from April 27, 1997 to May 3, 1998
common stock issued in connection with acquisition of Artee Industries, Incorporated's assets
common stock issued in connection with stock option plans
from April 28, 1996 to April 27, 1997
proceeds from public offering of 1,200,000 shares
common stock issued in connection with stock option plan
from April 30, 1995 to April 28, 1996
Common stock issued in connection with stock option plan
from May 1, 1994 to April 30, 1995
common stock issued in connection with stock option plan