股本结构

单位:万股
公告日期 2026-01-29 2026-01-29 2025-10-30 2025-10-30 2025-08-25 2025-08-25
证券总股本 1647.25 1645.11 1697.79 1697.76 1682.59 1679.44
普通股本 1647.25 1645.11 1697.79 1697.76 1682.59 1679.44
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 2026-01-22 2025-12-31 2025-10-24 2025-09-30 2025-08-18 2025-06-30
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
2026-01-29 1647.25 未披露 定期报告 2026-01-22
2026-01-29 1645.11 未披露
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From September 30, 2025 to December 31, 2025 Vesting of RSUs Repurchase of common stock Exercise of stock options Taxes paid related to net share settlement of equity awards
2025-12-31
2025-10-30 1697.79 未披露 定期报告 2025-10-24
2025-10-30 1697.76 未披露
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From June 30, 2025 to September 30, 2025 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase plan Taxes paid related to net share settlement of equity awards
2025-09-30
2025-08-25 1682.59 未披露 定期报告 2025-08-18
2025-08-25 1679.44 未披露
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From June 30, 2024 to June 30, 2025 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase plan Repurchase of common stock Taxes paid related to net share settlement of equity awards
2025-06-30
2025-05-02 1678.86 未披露
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From December 31, 2024 to March 31, 2025 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
2025-03-31
2025-01-24 1679.93 未披露 定期报告 2025-01-21
2025-01-24 1674.58 未披露
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From September 30, 2024 to December 31, 2024 Exercise of stock options Vesting of RSUs Taxes paid related to net share settlement of equity awards
2024-12-31
2024-10-25 1671.07 未披露
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From June 30, 2024 to September 30, 2024 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase plan Repurchase of common stock Taxes paid related to net share settlement of equity awards
2024-09-30
2024-08-29 1656.97 未披露 定期报告 2024-08-26
2024-08-29 1705.55 未披露
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From June 30, 2023 to June 30, 2024 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
2024-06-30
2024-04-30 1704.87 未披露
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From December 31, 2023 to March 31, 2024 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
2024-03-31
2024-01-26 1704.62 未披露 定期报告 2024-01-22
2024-01-26 1701.16 未披露
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From September 30,2023 to December 31,2023 Exercise of stock options Vesting of RSUs Taxes paid related to net share settlement of equity awards
2023-12-31
2023-10-27 1698.78 未披露
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From June 30, 2023 to September 30, 2023 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
2023-09-30
2023-08-29 1679.93 未披露 定期报告 2023-08-25
2023-08-29 1675.58 未披露
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From June 30, 2022 to June 30, 2023 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2023-06-30
2023-04-28 1672.79 未披露 定期报告 2023-04-25
2023-04-28 1672.71 未披露
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From December 31, 2022 to March 31, 2023 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2023-03-31
2023-01-27 1685.34 未披露 定期报告 2023-01-24
2023-01-27 1681.96 未披露
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From September 30, 2022 to December 31, 2022 Exercise of stock options Vesting of RSUs Repurchase of common stock Taxes paid related to net share settlement of equity awards
2022-12-31
2022-10-28 1685.48 未披露 定期报告 2022-10-24
2022-10-28 1685.42 未披露 定期报告 2022-09-30
2022-08-19 1691.43 未披露 定期报告 2022-08-16
2022-08-19 1687.01 未披露
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From June 30, 2021 to June 30, 2022 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2022-06-30
2022-04-29 1704.39 未披露 定期报告 2022-04-26
2022-04-29 1704.39 未披露
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from December 31, 2021 to March 31, 2022 Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2022-03-31
2022-01-28 1767.90 未披露 定期报告 2022-01-25
2022-01-28 1764.39 未披露
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From September 30, 2021 to December 31, 2021 Exercise of stock options Vesting of RSUs Repurchase of common stock Taxes paid related to net share settlement of equity awards
2021-12-31
2021-10-29 1794.21 未披露 定期报告 2021-10-25
2021-10-29 1794.14 未披露
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From June 30, 2021 to September 30, 2021 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2021-09-30
2021-08-23 1789.18 未披露 定期报告 2021-08-18
2021-08-23 1785.41 未披露
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From June 30, 2020 to June 30, 2021 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2021-06-30
2021-04-30 1798.02 未披露
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From December 31, 2020 to March 31, 2021 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2021-03-31
2021-01-29 1797.21 未披露 定期报告 2021-01-25
2021-01-29 1793.33 未披露
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From September 30, 2020 to December 31, 2020 Exercise of stock options Vesting of RSUs Taxes paid related to net share settlement of equity awards
2020-12-31
2020-10-30 1792.08 未披露 定期报告 2020-10-27
2020-10-21 1791.92 未披露 定期报告 2020-10-15
2020-10-30 1791.25 未披露
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From June 30, 2020 to September 30, 2020 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2020-09-30
2020-08-21 1808.04 未披露 定期报告 2020-08-20
2020-08-21 1801.20 未披露
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From June 30, 2019 to June 30, 2020 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2020-06-30
2020-05-01 1801.12 未披露 定期报告 2020-04-28
2020-05-01 1801.06 未披露
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From December 31, 2019 to March 31, 2020 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2020-03-31
2020-01-29 1830.50 未披露 定期报告 2020-01-24
2020-01-29 1826.76 未披露
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from September 30, 2019 to December 31, 2019 Exercise of stock options Vesting of RSUs Repurchase of common stock Taxes paid related to net share settlement of equity awards
2019-12-31
2019-10-22 1835.75 未披露 定期报告 2019-10-17
2019-10-25 1835.75 未披露
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from June 30, 2019 to September 30, 2019 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards Repurchase of common stock
2019-09-30
2019-08-27 1821.89 未披露 定期报告 2019-08-22
2019-08-27 1816.70 未披露
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From June 30, 2018 to June 30, 2019 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards Repurchase of common stock
2019-06-30
2019-05-02 1810.48 未披露 定期报告 2019-04-26
2019-05-02 1810.08 未披露
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From December 31, 2018 to March 31, 2019 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
2019-03-31
2019-01-28 1807.14 未披露 定期报告 2019-01-22
2019-01-28 1802.09 未披露
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From September 30, 2018 to December 31, 2018 Exercise of stock options Vesting of RSUs Repurchase of common stock Taxes paid related to net share settlement of equity awards
2018-12-31
2018-10-26 1815.31 未披露 定期报告 2018-10-22
2018-10-19 1815.31 未披露 定期报告 2018-10-17
2018-10-26 1815.31 未披露 定期报告 2018-09-30
2018-08-28 1809.34 未披露 定期报告 2018-08-24
2018-08-28 1803.24 未披露
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from June 30, 2017 to June 30, 2018 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2018-06-30
2018-04-30 1807.26 未披露 定期报告 2018-04-27
2018-04-30 1806.54 未披露 定期报告 2018-03-31
2018-02-06 1901.94 未披露 定期报告 2018-01-31
2018-02-06 1897.80 未披露 定期报告 2017-12-31
2017-10-31 1896.85 未披露 定期报告 2017-10-26
2017-10-23 1896.80 未披露 定期报告 2017-10-17
2017-10-31 1895.88 未披露 定期报告 2017-09-30
2017-09-07 1877.68 未披露 定期报告 2017-09-05
2017-09-07 1868.96 未披露
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from June 30, 2016 to June 30, 2017 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2017-06-30
2017-04-27 1867.90 未披露 定期报告 2017-04-25
2017-04-27 1867.62 未披露 定期报告 2017-03-31
2017-02-01 1914.38 未披露 定期报告 2017-01-30
2017-02-01 1909.17 未披露 定期报告 2016-12-31
2016-10-31 1906.40 未披露 定期报告 2016-10-27
2016-10-21 1892.63 未披露 定期报告 2016-10-12
2016-10-31 1892.42 未披露 定期报告 2016-09-30
2016-08-19 1895.64 未披露 定期报告 2016-08-16
2016-08-19 1891.22 未披露
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From June 30, 2015 to June 30, 2016 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2016-06-30
2016-04-28 1889.53 未披露 定期报告 2016-04-26
2016-04-28 1889.31 未披露 定期报告 2016-03-31
2016-01-28 1979.02 未披露 定期报告 2016-01-27
2016-01-28 1975.94 未披露 定期报告 2015-12-31
2015-10-30 1972.21 未披露 定期报告 2015-09-30
2015-08-24 1975.88 未披露 定期报告 2015-08-19
2015-08-24 1971.65 未披露
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From June 30, 2014 to June 30, 2015 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2015-06-30
2015-04-28 1980.99 未披露 定期报告 2015-04-27
2015-04-28 1980.74 未披露 定期报告 2015-03-31
2015-01-27 1980.49 未披露 定期报告 2015-01-26
2015-01-27 1978.85 未披露 定期报告 2014-12-31
2014-10-17 1982.90 未披露 定期报告 2014-10-14
2014-10-24 1980.27 未披露 定期报告 2014-09-30
2014-08-27 1979.66 未披露 定期报告 2014-08-25
2014-08-27 1994.29 未披露
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from June 30, 2013 to June 30, 2014 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2014-06-30
2014-05-02 1994.20 未披露 定期报告 2014-05-01
2014-05-02 1993.89 未披露 定期报告 2014-03-31
2014-01-30 1993.31 未披露 定期报告 2014-01-29
2014-01-30 1993.29 未披露 定期报告 2013-12-31
2013-10-15 2005.35 未披露 定期报告 2013-10-08
2013-08-16 1997.97 未披露 定期报告 2013-08-15
2013-08-16 1991.41 未披露
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from June 30, 2012 to June 30, 2013 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
2013-06-30
2013-05-09 1993.74 未披露 定期报告 2013-05-07
2013-05-09 1993.36 未披露 定期报告 2013-03-31
2013-01-25 2005.39 未披露 定期报告 2013-01-23
2013-01-25 2001.29 未披露 定期报告 2012-12-31
2012-10-23 1999.07 未披露 定期报告 2012-10-15
2012-08-13 1986.63 未披露 定期报告 2012-08-07
2012-08-13 1982.11 未披露
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from June 30, 2011 to June 30, 2012 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock
2012-06-30
2012-04-25 1985.48 未披露 定期报告 2012-04-23
2012-04-25 1985.39 未披露 定期报告 2012-03-31
2012-01-25 1977.35 未披露 定期报告 2012-01-23
2012-01-25 1972.84 未披露 定期报告 2011-12-31
2011-10-26 1964.51 未披露 定期报告 2011-09-30
2011-08-26 1960.20 未披露 定期报告 2011-08-23
2011-08-26 1950.71 未披露
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from June 30, 2010 to June 30, 2011 Exercise of stock options Vesting of restricted shares Shares purchased under employee stock purchase program Shares issued—exercise of warrants Repurchase of common stock
2011-06-30
2011-04-27 1905.18 未披露 定期报告 2011-04-25
2011-04-27 1904.79 未披露 定期报告 2011-03-31
2011-01-26 1893.20 未披露 定期报告 2011-01-25
2011-01-26 1885.31 未披露 定期报告 2010-12-31
2010-10-27 1866.10 未披露 定期报告 2010-10-25
2010-10-27 1865.39 未披露 定期报告 2010-09-30
2010-08-27 1840.46 未披露 定期报告 2010-08-24
2010-08-27 1832.61 未披露
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from June 30, 2009 to June 30, 2010 Exercise of stock options Vesting of restricted shares Shares purchased under employee stock purchase program
2010-06-30
2010-04-27 1824.67 未披露 定期报告 2010-03-31
2009-10-28 1755.15 未披露 定期报告 2009-10-26
2009-08-28 1748.33 未披露 定期报告 2009-08-26
2009-08-28 1741.16 未披露
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from June 30, 2008 to June 30, 2009 Exercise of stock options Vesting of restricted shares Shares purchased under employee stock purchase program Treasury shares
2009-06-30
2008-08-28 1782.93 未披露 定期报告 2008-08-25
2008-08-28 1774.01 未披露
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from June 30, 2007 to June 30, 2008 Exercise of stock options and vesting restricted shares Issuance of restricted shares Shares purchased under employee stock purchase program Shares issued for the purchase of Spacelabs Healthcare shares
2008-06-30
2007-09-13 1713.65 未披露 定期报告 2007-09-10
2007-09-13 1708.70 未披露
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from June 30, 2006 to June 30, 2007 Exercise of stock options Shares purchased under employee stock purchase program
2007-06-30
2006-09-22 1669.62 未披露 定期报告 2006-09-20
2006-09-22 1659.84 未披露
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from June 30, 2005 to June 30, 2006 Exercise of stock options Shares purchased under employee stock purchase program Exercise of stock warrants
2006-06-30
2005-09-29 1624.52 未披露 定期报告 2005-09-23
2005-09-29 1619.32 未披露
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from June 30, 2004 to June 30, 2005 Exercise of stock options Shares purchased under employee stock purchase program Stock repurchased and retired
2005-06-30
2004-09-13 1624.03 未披露 定期报告 2004-09-09
2004-09-13 1621.34 未披露
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from JUNE 30, 2003 to JUNE 30, 2004 Exercise of stock options Shares purchased under employee stock purchase program Issuance of common stock and warrants under private placement
2004-06-30
2003-09-29 1454.53 未披露 定期报告 2003-09-22
2003-09-29 1451.99 未披露
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from JUNE 30, 2002 to JUNE 30, 2003 Exercise of stock options Shares purchased under employee stock purchase program Issuance of common stock and warrants under private placement Issuance of common stock as purchase consideration
2003-06-30
2002-09-30 1282.23 未披露 定期报告 2002-09-24
2002-09-30 1280.69 未披露
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from JUNE 30, 2001 to JUNE 30, 2002 Exercise of stock options Stock option compensation Shares purchased under employee stock purchase program Issuance of common stock and warrants under private placement
2002-06-30
2001-09-28 847.86 未披露 定期报告 2001-09-17
2001-09-28 846.30 未披露
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from JUNE 30, 2000 to JUNE 30, 2001 Exercise of stock options Shares purchased under the employee stock purchase program Treasury stock purchased
2001-06-30
2000-09-28 935.48 未披露 定期报告 2000-09-20
2000-09-28 934.98 未披露
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from JUNE 30, 1999 to JUNE 30, 2000 Exercise of stock options Tax benefit of stock options exercised Shares purchased under the employee stock purchase program Treasury stock purchased
2000-06-30
1999-09-28 973.39 未披露 定期报告 1999-09-23
1999-09-28 973.24 未披露
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from June 30, 1998 to June 30,1999 Exercise of stock options
1999-06-30
1998-09-28 969.42 未披露 定期报告 1998-09-18
1998-09-28 969.19 未披露
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from JUNE 30, 1997 to JUNE 30, 1998 Initial public offering Exercise of stock options Tax benefit of stock options exercised
1998-06-30
From September 30, 2025 to December 31, 2025 Vesting of RSUs Repurchase of common stock Exercise of stock options Taxes paid related to net share settlement of equity awards
From June 30, 2025 to September 30, 2025 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase plan Taxes paid related to net share settlement of equity awards
From June 30, 2024 to June 30, 2025 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase plan Repurchase of common stock Taxes paid related to net share settlement of equity awards
From December 31, 2024 to March 31, 2025 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
From September 30, 2024 to December 31, 2024 Exercise of stock options Vesting of RSUs Taxes paid related to net share settlement of equity awards
From June 30, 2024 to September 30, 2024 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase plan Repurchase of common stock Taxes paid related to net share settlement of equity awards
From June 30, 2023 to June 30, 2024 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
From December 31, 2023 to March 31, 2024 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
From September 30,2023 to December 31,2023 Exercise of stock options Vesting of RSUs Taxes paid related to net share settlement of equity awards
From June 30, 2023 to September 30, 2023 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
From June 30, 2022 to June 30, 2023 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From December 31, 2022 to March 31, 2023 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From September 30, 2022 to December 31, 2022 Exercise of stock options Vesting of RSUs Repurchase of common stock Taxes paid related to net share settlement of equity awards
From June 30, 2021 to June 30, 2022 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
from December 31, 2021 to March 31, 2022 Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From September 30, 2021 to December 31, 2021 Exercise of stock options Vesting of RSUs Repurchase of common stock Taxes paid related to net share settlement of equity awards
From June 30, 2021 to September 30, 2021 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From June 30, 2020 to June 30, 2021 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From December 31, 2020 to March 31, 2021 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From September 30, 2020 to December 31, 2020 Exercise of stock options Vesting of RSUs Taxes paid related to net share settlement of equity awards
From June 30, 2020 to September 30, 2020 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From June 30, 2019 to June 30, 2020 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From December 31, 2019 to March 31, 2020 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
from September 30, 2019 to December 31, 2019 Exercise of stock options Vesting of RSUs Repurchase of common stock Taxes paid related to net share settlement of equity awards
from June 30, 2019 to September 30, 2019 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards Repurchase of common stock
From June 30, 2018 to June 30, 2019 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards Repurchase of common stock
From December 31, 2018 to March 31, 2019 Exercise of stock options Vesting of RSUs Shares issued under employee stock purchase program Taxes paid related to net share settlement of equity awards
From September 30, 2018 to December 31, 2018 Exercise of stock options Vesting of RSUs Repurchase of common stock Taxes paid related to net share settlement of equity awards
from June 30, 2017 to June 30, 2018 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
from June 30, 2016 to June 30, 2017 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From June 30, 2015 to June 30, 2016 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
From June 30, 2014 to June 30, 2015 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
from June 30, 2013 to June 30, 2014 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
from June 30, 2012 to June 30, 2013 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock Taxes paid related to net share settlement of equity awards
from June 30, 2011 to June 30, 2012 Exercise of stock options Vesting of restricted shares Shares issued under employee stock purchase program Repurchase of common stock
from June 30, 2010 to June 30, 2011 Exercise of stock options Vesting of restricted shares Shares purchased under employee stock purchase program Shares issued—exercise of warrants Repurchase of common stock
from June 30, 2009 to June 30, 2010 Exercise of stock options Vesting of restricted shares Shares purchased under employee stock purchase program
from June 30, 2008 to June 30, 2009 Exercise of stock options Vesting of restricted shares Shares purchased under employee stock purchase program Treasury shares
from June 30, 2007 to June 30, 2008 Exercise of stock options and vesting restricted shares Issuance of restricted shares Shares purchased under employee stock purchase program Shares issued for the purchase of Spacelabs Healthcare shares
from June 30, 2006 to June 30, 2007 Exercise of stock options Shares purchased under employee stock purchase program
from June 30, 2005 to June 30, 2006 Exercise of stock options Shares purchased under employee stock purchase program Exercise of stock warrants
from June 30, 2004 to June 30, 2005 Exercise of stock options Shares purchased under employee stock purchase program Stock repurchased and retired
from JUNE 30, 2003 to JUNE 30, 2004 Exercise of stock options Shares purchased under employee stock purchase program Issuance of common stock and warrants under private placement
from JUNE 30, 2002 to JUNE 30, 2003 Exercise of stock options Shares purchased under employee stock purchase program Issuance of common stock and warrants under private placement Issuance of common stock as purchase consideration
from JUNE 30, 2001 to JUNE 30, 2002 Exercise of stock options Stock option compensation Shares purchased under employee stock purchase program Issuance of common stock and warrants under private placement
from JUNE 30, 2000 to JUNE 30, 2001 Exercise of stock options Shares purchased under the employee stock purchase program Treasury stock purchased
from JUNE 30, 1999 to JUNE 30, 2000 Exercise of stock options Tax benefit of stock options exercised Shares purchased under the employee stock purchase program Treasury stock purchased
from June 30, 1998 to June 30,1999 Exercise of stock options
from JUNE 30, 1997 to JUNE 30, 1998 Initial public offering Exercise of stock options Tax benefit of stock options exercised