股本结构
单位：万股
| 公告日期 | 2025-11-13 | 2025-10-31 | 2025-10-31 | 2025-11-17 | 2025-10-01 | 2025-08-26 |
|---|---|---|---|---|---|---|
| 证券总股本 | 1372.13 | 1339.91 | 1340.00 | 1333.32 | 1331.92 | 696.20 |
| 普通股本 | 1372.13 | 1339.91 | 1340.00 | 1333.32 | 1331.92 | 696.20 |
| 优先股 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 其他 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 变动日期 | 2025-11-11 | 2025-10-20 | 2025-10-07 | 2025-09-30 | 2025-06-30 | 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 |
|---|---|---|---|---|
| 2025-11-13 | 1372.13 | 未披露 | 定期报告 | 2025-11-11 |
| 2025-10-31 | 1339.91 | 未披露 | 定期报告 | 2025-10-20 |
| 2025-10-31 | 1340.00 | 未披露 | 定期报告 | 2025-10-07 |
| 2025-11-17 | 1333.32 | 未披露 |
更多>>
From June 30, 2025 to September 30, 2025
Shares issued under employee incentive plans, net
|
2025-09-30 |
| 2025-10-01 | 1331.92 | 未披露 |
更多>>
From March 31, 2025 to June 30, 2025
Shares issued under employee incentive plans, net
Shares issued related to the SEPA, net
|
2025-06-30 |
| 2025-08-26 | 696.20 | 未披露 |
更多>>
From March 31, 2024 to March 31, 2025
Shares issued under employee incentive plans, net
Warrants exercised related to long-term debt
Shares issued related to the SEPA, net
|
2025-03-31 |
| 2025-04-18 | 694.98 | 未披露 | 定期报告 | 2025-03-18 |
| 2025-03-27 | 652.68 | 未披露 | 定期报告 | 2025-03-13 |
| 2025-02-12 | 583.42 | 未披露 | 定期报告 | 2025-02-11 |
| 2025-02-11 | 583.08 | 未披露 | 定期报告 | 2025-02-03 |
| 2025-01-27 | 575.67 | 未披露 | 定期报告 | 2025-01-06 |
| 2025-02-12 | 530.70 | 未披露 |
更多>>
From September 30, 2024 to December 31, 2024
Shares issued related to warrants
Shares issued under employee incentive plans, net
|
2024-12-31 |
| 2024-11-14 | 484.85 | 未披露 | 定期报告 | 2024-11-10 |
| 2024-11-13 | 479.30 | 未披露 | 定期报告 | 2024-09-30 |
| 2024-09-06 | 479.27 | 未披露 | 定期报告 | 2024-09-05 |
| 2024-08-26 | 479.25 | 未披露 |
更多>>
a 1-for-20 reverse stock split of its issued and outstanding shares of common stock
|
2024-08-27 |
| 2024-08-14 | 9584.99 | 未披露 | 定期报告 | 2024-08-14 |
| 2024-08-13 | 9585.00 | 未披露 | 定期报告 | 2024-06-30 |
| 2024-05-29 | 9584.99 | 未披露 | 定期报告 | 2024-05-23 |
| 2024-09-06 | 9585.00 | 未披露 | 定期报告 | 2023-12-31 |
| 2024-09-06 | 9551.90 | 未披露 |
更多>>
From June 30, 202 to September 30, 2023
Shares issued under employee incentive plans, net
|
2023-09-30 |
| 2023-08-08 | 9504.06 | 未披露 | 定期报告 | 2023-08-04 |
| 2023-07-27 | 9443.75 | 未披露 | 定期报告 | 2023-07-17 |
| 2023-08-08 | 9370.50 | 未披露 |
更多>>
From March 31, 2023 to June 30, 2023
Shares issued under employee incentive plans, net
|
2023-06-30 |
| 2023-06-06 | 9369.83 | 未披露 | 定期报告 | 2023-05-30 |
| 2023-06-06 | 9357.40 | 未披露 |
更多>>
From March 31, 2022 to March 31, 2023
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
Shares issued in connection with rights offering, net
Shares issued in connection with business acquisition
|
2023-03-31 |
| 2023-02-02 | 10521.46 | 未披露 | 定期报告 | 2023-01-30 |
| 2023-02-02 | 9314.40 | 未披露 |
更多>>
From September 30, 2022 to December 31, 2022
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
|
2022-12-31 |
| 2022-11-02 | 10384.00 | 未披露 | 定期报告 | 2022-10-30 |
| 2022-11-02 | 9215.80 | 未披露 |
更多>>
From June 30, 2022 to September 30, 2022
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
|
2022-09-30 |
| 2022-08-04 | 10266.77 | 未披露 | 定期报告 | 2022-08-01 |
| 2022-08-04 | 9060.60 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Shares issued under employee stock purchase plan
Shares issued in connection with rights offering, net
|
2022-06-30 |
| 2022-07-05 | 9060.58 | 未披露 | 定期报告 | 2022-06-24 |
| 2022-06-08 | 10181.38 | 未披露 | 定期报告 | 2022-06-01 |
| 2022-04-27 | 9043.30 | 未披露 |
更多>>
On April 22, 2022, Quantum Corporation (the “Company”) closed its previously announced rights offering (the “Rights Offering”). The Rights Offering was fully subscribed, and the Company issued 30,000,000 shares of the Company’s common stock, $0.01 par value per share, for net proceeds of approximately $66.1 million after deducting estimated offering expenses.
|
2022-04-22 |
| 2022-06-08 | 6043.30 | 未披露 |
更多>>
From March 31, 2021 to March 31, 2022
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
Shares issued in connection with business acquisition
|
2022-03-31 |
| 2022-03-17 | 6043.30 | 未披露 | 定期报告 | 2022-03-14 |
| 2022-02-09 | 6011.55 | 未披露 | 定期报告 | 2022-02-04 |
| 2022-02-09 | 5981.60 | 未披露 |
更多>>
From September 30, 2021 to December 31, 2021
Shares issued under employee incentive plans, net
Shares issued in connection with business acquisition
|
2021-12-31 |
| 2021-12-17 | 5942.00 | 未披露 | 定期报告 | 2021-11-30 |
| 2021-11-03 | 5928.14 | 未披露 | 定期报告 | 2021-11-01 |
| 2021-11-03 | 5927.20 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
Shares issued in connection with business acquisition
|
2021-09-30 |
| 2021-08-09 | 5821.27 | 未披露 | 定期报告 | 2021-08-05 |
| 2021-07-28 | 5817.55 | 未披露 | 定期报告 | 2021-07-26 |
| 2021-08-19 | 5789.22 | 未披露 | 定期报告 | 2021-07-18 |
| 2021-08-09 | 5728.00 | 未披露 |
更多>>
From March 31, 2021 to June 30, 2021
Shares issued under employee incentive plans, net
|
2021-06-30 |
| 2021-05-26 | 5708.70 | 未披露 | 定期报告 | 2021-05-21 |
| 2021-05-26 | 5691.50 | 未披露 |
更多>>
From March 31, 2020 to March 31, 2021
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
Shares surrendered for employees' tax liability upon settlement of restricted stock units
Shares issued in connection with business acquisition
Shares issued in connection with secondary equity offering, net
|
2021-03-31 |
| 2021-02-08 | 5469.24 | 未披露 |
更多>>
1.Common stock offered by the company 13,138,686 shares.
2.The number of shares of common stock to be outstanding immediately after this offering is based on 41,553,718 shares of common stock issued and outstanding as of December 31, 2020.
|
2021-02-08 |
| 2021-02-03 | 4155.37 | 未披露 |
更多>>
From September 30, 2020 to December 31, 2020
Shares issued under employee incentive plans, net
Shares issued in connection with business acquisition
|
2020-12-31 |
| 2021-02-01 | 4086.94 | 未披露 | 定期报告 | 2020-12-12 |
| 2020-11-25 | 4074.02 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2020
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans,net
|
2020-09-30 |
| 2020-08-05 | 3990.80 | 未披露 | 定期报告 | 2020-07-31 |
| 2020-08-05 | 3990.50 | 未披露 | 定期报告 | 2020-06-30 |
| 2020-07-02 | 3990.51 | 未披露 | 定期报告 | 2020-06-15 |
| 2020-06-24 | 3990.50 | 未披露 |
更多>>
From March 31, 2019 to March 31, 2020
Shares issued under employee incentive plans, net
Shares issued from warrants exercised, net
|
2020-03-31 |
| 2020-01-29 | 3985.87 | 未披露 | 定期报告 | 2020-01-27 |
| 2020-01-29 | 3985.50 | 未披露 |
更多>>
from September 30, 2019 to December 31, 2019
Shares issued under employee incentive plans, net
Warrants exercised related to long-term debt, net
|
2019-12-31 |
| 2018-12-28 | 3555.31 | 未披露 | 定期报告 | 2018-12-26 |
| 2017-11-09 | 3467.39 | 未披露 | 定期报告 | 2017-11-03 |
| 2017-11-09 | 3466.30 | 未披露 | 定期报告 | 2017-09-30 |
| 2017-08-09 | 3447.22 | 未披露 | 定期报告 | 2017-08-04 |
| 2017-07-12 | 3444.85 | 未披露 | 定期报告 | 2017-07-06 |
| 2017-08-09 | 3410.10 | 未披露 | 定期报告 | 2017-06-30 |
| 2017-07-12 | 3409.88 | 未披露 | 定期报告 | 2017-05-31 |
| 2017-06-01 | 3409.25 | 未披露 | 定期报告 | 2017-05-25 |
| 2017-06-01 | 3406.30 | 未披露 |
更多>>
from March 31, 2016 to April 19, 2017
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
On April 3, 2017,Quantum Corp. announced that its board of directors has approved a 1-for-8 reverse stock split of its common stock. The split to become effective following the close of trading on April 18, 2017, and its common stock to begin trading on a split-adjusted basis on April 19, 2017.
|
2017-04-19 |
| 2017-02-03 | 27132.30 | 未披露 | 定期报告 | 2017-01-27 |
| 2017-02-03 | 27118.80 | 未披露 | 定期报告 | 2016-12-31 |
| 2016-11-04 | 27118.43 | 未披露 | 定期报告 | 2016-10-28 |
| 2016-11-04 | 27117.10 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-08-05 | 26919.65 | 未披露 | 定期报告 | 2016-07-29 |
| 2016-08-05 | 26646.90 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-06-03 | 26627.81 | 未披露 | 定期报告 | 2016-05-27 |
| 2016-06-03 | 26620.90 | 未披露 |
更多>>
From March 31, 2015 to March 31, 2016
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
|
2016-03-31 |
| 2016-02-05 | 26423.36 | 未披露 | 定期报告 | 2016-01-29 |
| 2016-02-05 | 26414.00 | 未披露 | 定期报告 | 2015-12-31 |
| 2015-11-06 | 26391.95 | 未披露 | 定期报告 | 2015-10-30 |
| 2015-11-06 | 26389.30 | 未披露 | 定期报告 | 2015-09-30 |
| 2015-07-21 | 26183.36 | 未披露 | 定期报告 | 2015-07-08 |
| 2015-08-07 | 25870.40 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-06-12 | 25840.49 | 未披露 | 定期报告 | 2015-05-29 |
| 2015-06-12 | 25820.80 | 未披露 |
更多>>
from March 31, 2014 to March 31, 2015
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
|
2015-03-31 |
| 2015-02-06 | 25638.84 | 未披露 | 定期报告 | 2015-01-31 |
| 2015-02-06 | 25624.40 | 未披露 | 定期报告 | 2014-12-31 |
| 2014-11-07 | 25549.52 | 未披露 | 定期报告 | 2014-10-31 |
| 2014-11-07 | 25547.90 | 未披露 | 定期报告 | 2014-09-30 |
| 2014-08-08 | 25384.01 | 未披露 | 定期报告 | 2014-08-01 |
| 2014-07-29 | 25382.72 | 未披露 | 定期报告 | 2014-07-14 |
| 2014-08-08 | 25081.00 | 未披露 | 定期报告 | 2014-06-30 |
| 2014-07-29 | 25074.81 | 未披露 | 定期报告 | 2014-06-02 |
| 2014-06-06 | 25062.96 | 未披露 | 定期报告 | 2014-05-30 |
| 2014-06-06 | 25041.00 | 未披露 |
更多>>
from March 31, 2013 to March 31, 2014
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
|
2014-03-31 |
| 2014-02-07 | 24863.14 | 未披露 | 定期报告 | 2014-01-31 |
| 2014-02-07 | 24822.00 | 未披露 | 定期报告 | 2013-12-31 |
| 2013-11-12 | 24811.44 | 未披露 | 定期报告 | 2013-11-06 |
| 2013-11-12 | 24790.40 | 未披露 | 定期报告 | 2013-09-30 |
| 2013-08-09 | 24758.53 | 未披露 | 定期报告 | 2013-08-05 |
| 2013-08-09 | 24349.30 | 未披露 | 定期报告 | 2013-06-30 |
| 2013-06-24 | 24340.48 | 未披露 | 定期报告 | 2013-06-13 |
| 2013-06-07 | 24329.71 | 未披露 | 定期报告 | 2013-05-31 |
| 2013-06-07 | 24308.00 | 未披露 |
更多>>
From March 31, 2012 to March 31, 2013
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
|
2013-03-31 |
| 2013-02-08 | 24096.25 | 未披露 | 定期报告 | 2013-02-01 |
| 2013-02-08 | 24087.90 | 未披露 | 定期报告 | 2012-12-31 |
| 2012-11-09 | 24076.50 | 未披露 | 定期报告 | 2012-11-02 |
| 2012-11-09 | 24071.50 | 未披露 | 定期报告 | 2012-09-30 |
| 2012-08-09 | 24050.00 | 未披露 | 定期报告 | 2012-08-03 |
| 2012-08-09 | 23693.50 | 未披露 | 定期报告 | 2012-06-30 |
| 2012-06-28 | 23694.17 | 未披露 | 定期报告 | 2012-06-18 |
| 2012-06-14 | 23670.00 | 未披露 | 定期报告 | 2012-06-08 |
| 2012-06-14 | 23640.20 | 未披露 |
更多>>
from March 31, 2011 to March 31, 2012
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
Shares issued in connection with business acquisition
|
2012-03-31 |
| 2012-02-09 | 23430.00 | 未披露 | 定期报告 | 2012-02-03 |
| 2012-02-09 | 23412.70 | 未披露 | 定期报告 | 2011-12-31 |
| 2011-11-09 | 23370.00 | 未披露 | 定期报告 | 2011-11-03 |
| 2011-11-09 | 23349.60 | 未披露 | 定期报告 | 2011-09-30 |
| 2011-08-09 | 23190.00 | 未披露 | 定期报告 | 2011-08-02 |
| 2011-08-09 | 23011.80 | 未披露 | 定期报告 | 2011-06-30 |
| 2011-06-14 | 22731.10 | 未披露 |
更多>>
From Mar 31 2010 to Mar 31 2011
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
|
2011-03-31 |
| 2011-02-08 | 22540.00 | 未披露 | 定期报告 | 2011-01-31 |
| 2011-02-08 | 22503.10 | 未披露 | 定期报告 | 2010-12-31 |
| 2010-11-05 | 22100.00 | 未披露 | 定期报告 | 2010-10-29 |
| 2010-11-05 | 21970.50 | 未披露 | 定期报告 | 2010-09-30 |
| 2010-08-06 | 21770.00 | 未披露 | 定期报告 | 2010-07-30 |
| 2010-08-06 | 21604.10 | 未披露 | 定期报告 | 2010-06-30 |
| 2010-06-11 | 21590.00 | 未披露 | 定期报告 | 2010-06-04 |
| 2010-06-11 | 21494.60 | 未披露 |
更多>>
From Mar 31 2009 to Mar 31 2010
Shares issued under employee stock incentive plans, net
|
2010-03-31 |
| 2009-06-30 | 21023.10 | 未披露 |
更多>>
from March 31,2008 to March 31,2009
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
|
2009-03-31 |
| 2008-06-13 | 20692.70 | 未披露 |
更多>>
from March 31,2007 to March 31,2008
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
|
2008-03-31 |
| 2007-06-13 | 19781.69 | 未披露 |
更多>>
from March 31,2006 to March 31,2007
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Shares issued in connection with business acquisitions
|
2007-03-31 |
| 2006-06-12 | 18884.06 | 未披露 |
更多>>
from March 31,2005 to March 31,2006
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
|
2006-03-31 |
| 2005-06-08 | 18387.53 | 未披露 |
更多>>
from March 31,2004 to March 31,2005
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
|
2005-03-31 |
| 2004-06-14 | 18031.80 | 未披露 |
更多>>
from March 31,2003 to March 31,2004
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Shares issued in connection with business acquisitions
|
2004-03-31 |
| 2003-06-30 | 17545.18 | 未披露 |
更多>>
from March 31,2002 to March 31,2003
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Shares issued in connection with business acquisitions
|
2003-03-31 |
| 2002-07-01 | 15661.42 | 未披露 | 定期报告 | 2002-06-25 |
| 2002-07-01 | 15696.79 | 未披露 |
更多>>
from March 31,2001 to March 31,2002
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Treasury shares repurchased and retired common stock
Disposition of HDD group
|
2002-03-31 |
| 2001-06-29 | 15444.44 | 未披露 | 定期报告 | 2001-05-27 |
| 2001-06-29 | 23214.62 | 未披露 |
更多>>
from March 31,2000 to March 31,2001
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Treasury shares repurchased and retired common stock
|
2001-03-31 |
| 2000-06-28 | 23306.97 | 未披露 | 定期报告 | 2000-05-28 |
| 2000-06-28 | 24120.71 | 未披露 |
更多>>
from March 31, 1999 to March 31,2000
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Treasury shares repurchased--Quantum common stock
Recapitalization (August 3, 1999)
Treasury shares reissued for Meridian acquisition
New shares issued for Meridian acquisition
Treasury shares repurchased and retired--DSSG and HDDG common stock
|
2000-03-31 |
From June 30, 2025 to September 30, 2025
Shares issued under employee incentive plans, net
From March 31, 2025 to June 30, 2025
Shares issued under employee incentive plans, net
Shares issued related to the SEPA, net
From March 31, 2024 to March 31, 2025
Shares issued under employee incentive plans, net
Warrants exercised related to long-term debt
Shares issued related to the SEPA, net
From September 30, 2024 to December 31, 2024
Shares issued related to warrants
Shares issued under employee incentive plans, net
a 1-for-20 reverse stock split of its issued and outstanding shares of common stock
From June 30, 202 to September 30, 2023
Shares issued under employee incentive plans, net
From March 31, 2023 to June 30, 2023
Shares issued under employee incentive plans, net
From March 31, 2022 to March 31, 2023
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
Shares issued in connection with rights offering, net
Shares issued in connection with business acquisition
From September 30, 2022 to December 31, 2022
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
From June 30, 2022 to September 30, 2022
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
From March 31, 2022 to June 30, 2022
Shares issued under employee stock purchase plan
Shares issued in connection with rights offering, net
On April 22, 2022, Quantum Corporation (the “Company”) closed its previously announced rights offering (the “Rights Offering”). The Rights Offering was fully subscribed, and the Company issued 30,000,000 shares of the Company’s common stock, $0.01 par value per share, for net proceeds of approximately $66.1 million after deducting estimated offering expenses.
From March 31, 2021 to March 31, 2022
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
Shares issued in connection with business acquisition
From September 30, 2021 to December 31, 2021
Shares issued under employee incentive plans, net
Shares issued in connection with business acquisition
From June 30, 2021 to September 30, 2021
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
Shares issued in connection with business acquisition
From March 31, 2021 to June 30, 2021
Shares issued under employee incentive plans, net
From March 31, 2020 to March 31, 2021
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans, net
Shares surrendered for employees' tax liability upon settlement of restricted stock units
Shares issued in connection with business acquisition
Shares issued in connection with secondary equity offering, net
1.Common stock offered by the company 13,138,686 shares.
2.The number of shares of common stock to be outstanding immediately after this offering is based on 41,553,718 shares of common stock issued and outstanding as of December 31, 2020.
From September 30, 2020 to December 31, 2020
Shares issued under employee incentive plans, net
Shares issued in connection with business acquisition
From June 30, 2020 to September 30, 2020
Shares issued under employee stock purchase plan
Shares issued under employee incentive plans,net
From March 31, 2019 to March 31, 2020
Shares issued under employee incentive plans, net
Shares issued from warrants exercised, net
from September 30, 2019 to December 31, 2019
Shares issued under employee incentive plans, net
Warrants exercised related to long-term debt, net
from March 31, 2016 to April 19, 2017
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
On April 3, 2017,Quantum Corp. announced that its board of directors has approved a 1-for-8 reverse stock split of its common stock. The split to become effective following the close of trading on April 18, 2017, and its common stock to begin trading on a split-adjusted basis on April 19, 2017.
From March 31, 2015 to March 31, 2016
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
from March 31, 2014 to March 31, 2015
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
from March 31, 2013 to March 31, 2014
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
From March 31, 2012 to March 31, 2013
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
from March 31, 2011 to March 31, 2012
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
Shares issued in connection with business acquisition
From Mar 31 2010 to Mar 31 2011
Shares issued under employee stock purchase plan
Shares issued under employee stock incentive plans, net
From Mar 31 2009 to Mar 31 2010
Shares issued under employee stock incentive plans, net
from March 31,2008 to March 31,2009
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
from March 31,2007 to March 31,2008
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
from March 31,2006 to March 31,2007
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Shares issued in connection with business acquisitions
from March 31,2005 to March 31,2006
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
from March 31,2004 to March 31,2005
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
from March 31,2003 to March 31,2004
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Shares issued in connection with business acquisitions
from March 31,2002 to March 31,2003
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Shares issued in connection with business acquisitions
from March 31,2001 to March 31,2002
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Treasury shares repurchased and retired common stock
Disposition of HDD group
from March 31,2000 to March 31,2001
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Treasury shares repurchased and retired common stock
from March 31, 1999 to March 31,2000
Shares issued under employee stock purchase plan
Shares issued under employee stock option plans, net
Treasury shares repurchased--Quantum common stock
Recapitalization (August 3, 1999)
Treasury shares reissued for Meridian acquisition
New shares issued for Meridian acquisition
Treasury shares repurchased and retired--DSSG and HDDG common stock