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股本结构

单位：万股
公告日期 2022-05-05 2022-05-05 2022-02-03 2022-01-28 2022-01-19 2022-02-03
证券总股本 2861.10 2861.20 2857.76 2857.50 2856.90 2856.80
普通股本 2861.10 2861.20 2857.76 2857.50 2856.90 2856.80
优先股 未披露 未披露 未披露 未披露 未披露 未披露
其他 未披露 未披露 未披露 未披露 未披露 未披露
变动日期 2022-04-29 2022-03-31 2022-01-31 2022-01-25 2022-01-07 2021-12-31
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
2022-05-05 2861.10 未披露 定期报告 2022-04-29
2022-05-05 2861.20 未披露
更多>>
From March 31, 2021 to March 31, 2022 Issuance of common stock under stock plans Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
2022-03-31
2022-02-03 2857.76 未披露 定期报告 2022-01-31
2022-01-28 2857.50 未披露 定期报告 2022-01-25
2022-01-19 2856.90 未披露 定期报告 2022-01-07
2022-02-03 2856.80 未披露
更多>>
From September 30, 2021 to December 31, 2021 Proceeds from issuance of stock Repurchases of common stock under Share Repurchase Program Repurchases of common stock withheld for taxes Repayment of long-term debt Other financing activities
2021-12-31
2021-11-12 2842.55 未披露 定期报告 2021-10-31
2021-11-12 2842.60 未披露
更多>>
From September 30, 2020 to September 30, 2021 Exercise of stock options Restricted stock Common stock under Employee Stock Purchase Plan Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
2021-09-30
2021-08-05 2922.24 未披露 定期报告 2021-07-31
2021-08-05 2924.40 未披露
更多>>
From March 31,2021 to June 30,2021 Issuance of common stock under stock plans Repurchases of common stock under Share Repurchase Program
2021-06-30
2021-05-06 2925.38 未披露 定期报告 2021-04-30
2021-05-06 2924.90 未披露
更多>>
From December 31, 2020 to March 31, 2021 Issuance of common stock under stock plans Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
2021-03-31
2021-02-04 2916.67 未披露 定期报告 2021-01-29
2021-01-19 2915.57 未披露 定期报告 2021-01-07
2021-02-04 2916.10 未披露
更多>>
From September 30, 2020 to December 31, 2020 Issuance of common stock under stock plans Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
2020-12-31
2020-11-17 2908.16 未披露 定期报告 2020-10-31
2020-11-17 2908.00 未披露
更多>>
From September 30, 2019 to September 30, 2020 Exercise of stock options Issuance of restricted stock under Deposit Share Program Issuance of stock under Employee Stock Purchase Plan Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
2020-09-30
2020-08-06 2905.53 未披露 定期报告 2020-07-31
2020-08-06 2903.40 未披露
更多>>
From March 31, 2020 to June 30, 2020 Repurchases of common stock under Share Repurchase Program, at cost Repurchases of common stock - other, at cost
2020-06-30
2020-05-08 2906.33 未披露 定期报告 2020-04-30
2020-05-08 2918.19 未披露
更多>>
From December 31, 2019 to March 31, 2020 Repurchases of common stock under Share Repurchase Program, at cost Repurchases of common stock - other, at cost
2020-03-31
2020-02-07 2922.72 未披露 定期报告 2020-01-31
2020-01-23 2921.55 未披露 定期报告 2020-01-09
2020-02-07 2920.55 未披露
更多>>
from September 30, 2019 to December 31, 2019 Repurchases of common stock - other, at cost
2019-12-31
2019-11-27 2910.42 未披露 定期报告 2019-10-31
2019-11-27 2910.12 未披露
更多>>
from September 30, 2018 to September 30, 2019 Exercise of stock options Issuance of common stock in connection with the Acquisition Repurchases of common stock - other, at cost Repurchases of common stock, at cost under share Repurchase Program
2019-09-30
2019-08-09 2903.64 未披露 定期报告 2019-07-31
2019-08-09 2902.34 未披露
更多>>
from March 31, 2019 to June 30, 2019 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost
2019-06-30
2019-05-10 2906.18 未披露 定期报告 2019-04-30
2019-05-10 2904.51 未披露
更多>>
from December 31, 2018 to March 31, 2019 Repurchases of common stock - other, at cost
2019-03-31
2019-02-11 2895.53 未披露 定期报告 2019-01-31
2019-01-24 2891.87 未披露 定期报告 2019-01-11
2019-02-11 2888.91 未披露
更多>>
from September 30, 2018 to December 31, 2018 Issuance of common stock in connection with acquisition of KMG Chemicals, Inc. Repurchases of common stock - other, at cost
2018-12-31
2018-11-13 2550.67 未披露 定期报告 2018-10-31
2018-11-13 2550.63 未披露
更多>>
from September 30, 2017 to September 30, 2018 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost Exercise of stock options
2018-09-30
2018-08-06 2555.13 未披露 定期报告 2018-07-31
2018-08-06 2554.39 未披露 定期报告 2018-06-30
2018-05-07 2568.26 未披露 定期报告 2018-04-30
2018-05-07 2569.59 未披露 定期报告 2018-03-31
2018-02-07 2560.91 未披露 定期报告 2018-01-31
2018-01-23 2554.10 未披露 定期报告 2018-01-12
2018-02-07 2547.24 未披露 定期报告 2017-12-31
2017-11-15 2535.69 未披露 定期报告 2017-10-31
2017-11-15 2528.26 未披露
更多>>
from September 30, 2016 to September 30, 2017 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost Exercise of stock options
2017-09-30
2017-08-07 2530.61 未披露 定期报告 2017-07-31
2017-08-07 2530.88 未披露 定期报告 2017-06-30
2017-05-05 2525.46 未披露 定期报告 2017-04-30
2017-05-05 2525.63 未披露 定期报告 2017-03-31
2017-02-07 2502.91 未披露 定期报告 2017-01-31
2017-01-25 2495.39 未披露 定期报告 2017-01-13
2017-02-07 2489.85 未披露 定期报告 2016-12-31
2016-11-16 2461.78 未披露 定期报告 2016-10-31
2016-11-16 2451.67 未披露
更多>>
From September 30, 2015 to September 30, 2016 Exercise of stock options Restricted stock under EIP and OIP, net of forfeitures Restricted stock under Deposit Share Plan, net of forfeitures Common stock under ESPP Repurchases of common stock under share repurchase plans Repurchases of common stock – other
2016-09-30
2016-08-05 2413.76 未披露 定期报告 2016-07-31
2016-08-05 2407.22 未披露 定期报告 2016-06-30
2016-05-06 2404.70 未披露 定期报告 2016-04-30
2016-05-06 2401.80 未披露 定期报告 2016-03-31
2016-02-08 2419.57 未披露 定期报告 2016-01-31
2016-01-22 2427.29 未披露 定期报告 2016-01-15
2016-02-08 2427.77 未披露 定期报告 2015-12-31
2015-11-18 2445.65 未披露 定期报告 2015-10-31
2015-11-18 2444.75 未披露
更多>>
from September 30, 2014 to September 30, 2015 Exercise of stock options Restricted stock under EIP and OIP, net of forfeitures Restricted stock under Deposit Share Plan, net of forfeitures Common stock under ESPP Repurchases of common stock under share repurchase plans Repurchases of common stock – other
2015-09-30
2015-08-07 2443.75 未披露 定期报告 2015-07-31
2015-08-07 2441.09 未披露 定期报告 2015-06-30
2015-05-08 2471.97 未披露 定期报告 2015-04-30
2015-05-08 2476.29 未披露 定期报告 2015-03-31
2015-02-06 2407.43 未披露 定期报告 2015-01-31
2015-01-20 2408.65 未披露 定期报告 2015-01-09
2015-02-06 2401.45 未披露 定期报告 2014-12-31
2014-11-19 2379.30 未披露 定期报告 2014-10-31
2014-11-19 2378.49 未披露
更多>>
from September 30, 2013 to September 30, 2014 Exercise of stock options Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost
2014-09-30
2014-08-08 2377.87 未披露 定期报告 2014-07-31
2014-08-08 2389.21 未披露 定期报告 2014-06-30
2014-05-09 2411.54 未披露 定期报告 2014-04-30
2014-05-09 2408.08 未披露 定期报告 2014-03-31
2014-02-07 2443.80 未披露 定期报告 2014-01-31
2014-01-17 2447.18 未披露 定期报告 2014-01-10
2014-02-07 2440.64 未披露 定期报告 2013-12-31
2013-11-20 2358.49 未披露 定期报告 2013-10-31
2013-11-20 2334.69 未披露
更多>>
from September 30, 2012 to September 30, 2013 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost Exercise of stock options
2013-09-30
2013-08-08 2329.20 未披露 定期报告 2013-07-31
2013-08-08 2323.48 未披露 定期报告 2013-06-30
2013-05-09 2327.19 未披露 定期报告 2013-04-30
2013-05-09 2327.09 未披露 定期报告 2013-03-31
2013-02-08 2333.40 未披露 定期报告 2013-01-31
2013-01-18 2327.68 未披露 定期报告 2013-01-11
2013-02-08 2321.82 未披露 定期报告 2012-12-31
2012-11-20 2319.36 未披露 定期报告 2012-10-31
2012-11-20 2318.22 未披露
更多>>
from September 30, 2011 to September 30, 2012 Exercise of stock options Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost
2012-09-30
2012-08-08 2331.82 未披露 定期报告 2012-07-31
2012-08-08 2327.92 未披露 定期报告 2012-06-30
2012-05-09 2355.87 未披露 定期报告 2012-04-30
2012-05-09 2353.47 未披露 定期报告 2012-03-31
2012-02-08 2279.90 未披露 定期报告 2012-01-31
2012-02-08 2274.72 未披露 定期报告 2011-12-31
2011-11-22 2293.75 未披露 定期报告 2011-10-31
2011-11-22 2293.68 未披露
更多>>
from Sep 30,2010 to Sep 30,2011 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost Exercise of stock options
2011-09-30
2011-08-08 2330.38 未披露 定期报告 2011-07-29
2011-08-08 2329.79 未披露 定期报告 2011-06-30
2011-05-09 2351.53 未披露 定期报告 2011-04-30
2011-05-09 2348.61 未披露 定期报告 2011-03-31
2011-02-08 2324.53 未披露 定期报告 2011-01-31
2011-02-08 2322.59 未披露 定期报告 2010-12-31
2010-11-23 2293.95 未披露 定期报告 2010-10-31
2010-11-23 2293.86 未披露
更多>>
from September 30, 2009 to September 30, 2010 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost
2010-09-30
2010-08-06 2330.70 未披露 定期报告 2010-07-31
2010-08-06 2337.23 未披露 定期报告 2010-06-30
2009-11-24 2344.57 未披露 定期报告 2009-10-31
2009-11-24 2344.49 未披露
更多>>
From September 30, 2008 to September 30, 2009 Repurchases of common stock - other, at cost
2009-09-30
2008-11-25 2322.31 未披露 定期报告 2008-10-31
2008-11-25 2322.32 未披露
更多>>
From September 30, 2007 to September 30, 2008 Exercise of stock options Repurchases of common stock, at cost
2008-09-30
2007-11-27 2401.00 未披露 定期报告 2007-10-31
2007-11-27 2400.84 未披露
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From September 30, 2006 to September 30, 2007 Repurchases of common stock, at cost
2007-09-30
2006-11-29 2395.76 未披露
更多>>
From September 30, 2005 to September 30, 2006 Purchase of treasury stock, at cost
2006-09-30
2005-12-07 2429.10 未披露 定期报告 2005-11-30
2005-12-07 2442.48 未披露
更多>>
From September 30, 2004 to September 30, 2005 Purchase of treasury stock, at cost
2005-09-30
2004-12-08 2464.95 未披露 定期报告 2004-11-30
2004-12-08 2461.36 未披露
更多>>
From September 30, 2003 to September 30, 2004 Purchase of treasury stock, at cost
2004-09-30
2003-12-10 2474.46 未披露 定期报告 2003-11-28
2003-12-10 2471.27 未披露
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From September 30, 2002 to September 30, 2003 Exercise of stock options
2003-09-30
2002-12-10 2433.46 未披露 定期报告 2002-11-29
2002-12-10 2425.48 未披露 定期报告 2002-09-30
2001-12-14 2409.23 未披露 定期报告 2001-11-30
2001-12-14 2408.00 未披露 定期报告 2001-09-30
2000-12-28 2361.68 未披露 定期报告 2000-12-08
2000-12-28 2359.03 未披露
更多>>
From SEPTEMBER 30, 1999 to SEPTEMBER 30, 2000 Capitalization of Cabot Microelectronics Proceeds from initial public offering (net)
2000-09-30
From March 31, 2021 to March 31, 2022 Issuance of common stock under stock plans Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
From September 30, 2021 to December 31, 2021 Proceeds from issuance of stock Repurchases of common stock under Share Repurchase Program Repurchases of common stock withheld for taxes Repayment of long-term debt Other financing activities
From September 30, 2020 to September 30, 2021 Exercise of stock options Restricted stock Common stock under Employee Stock Purchase Plan Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
From March 31,2021 to June 30,2021 Issuance of common stock under stock plans Repurchases of common stock under Share Repurchase Program
From December 31, 2020 to March 31, 2021 Issuance of common stock under stock plans Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
From September 30, 2020 to December 31, 2020 Issuance of common stock under stock plans Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
From September 30, 2019 to September 30, 2020 Exercise of stock options Issuance of restricted stock under Deposit Share Program Issuance of stock under Employee Stock Purchase Plan Repurchases of common stock under Share Repurchase Program Repurchases of common stock - other
From March 31, 2020 to June 30, 2020 Repurchases of common stock under Share Repurchase Program, at cost Repurchases of common stock - other, at cost
From December 31, 2019 to March 31, 2020 Repurchases of common stock under Share Repurchase Program, at cost Repurchases of common stock - other, at cost
from September 30, 2019 to December 31, 2019 Repurchases of common stock - other, at cost
from September 30, 2018 to September 30, 2019 Exercise of stock options Issuance of common stock in connection with the Acquisition Repurchases of common stock - other, at cost Repurchases of common stock, at cost under share Repurchase Program
from March 31, 2019 to June 30, 2019 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost
from December 31, 2018 to March 31, 2019 Repurchases of common stock - other, at cost
from September 30, 2018 to December 31, 2018 Issuance of common stock in connection with acquisition of KMG Chemicals, Inc. Repurchases of common stock - other, at cost
from September 30, 2017 to September 30, 2018 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost Exercise of stock options
from September 30, 2016 to September 30, 2017 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost Exercise of stock options
From September 30, 2015 to September 30, 2016 Exercise of stock options Restricted stock under EIP and OIP, net of forfeitures Restricted stock under Deposit Share Plan, net of forfeitures Common stock under ESPP Repurchases of common stock under share repurchase plans Repurchases of common stock – other
from September 30, 2014 to September 30, 2015 Exercise of stock options Restricted stock under EIP and OIP, net of forfeitures Restricted stock under Deposit Share Plan, net of forfeitures Common stock under ESPP Repurchases of common stock under share repurchase plans Repurchases of common stock – other
from September 30, 2013 to September 30, 2014 Exercise of stock options Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost
from September 30, 2012 to September 30, 2013 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost Exercise of stock options
from September 30, 2011 to September 30, 2012 Exercise of stock options Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost
from Sep 30,2010 to Sep 30,2011 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost Exercise of stock options
from September 30, 2009 to September 30, 2010 Repurchases of common stock under share repurchase plans, at cost Repurchases of common stock - other, at cost
From September 30, 2008 to September 30, 2009 Repurchases of common stock - other, at cost
From September 30, 2007 to September 30, 2008 Exercise of stock options Repurchases of common stock, at cost
From September 30, 2006 to September 30, 2007 Repurchases of common stock, at cost
From September 30, 2005 to September 30, 2006 Purchase of treasury stock, at cost
From September 30, 2004 to September 30, 2005 Purchase of treasury stock, at cost
From September 30, 2003 to September 30, 2004 Purchase of treasury stock, at cost
From September 30, 2002 to September 30, 2003 Exercise of stock options
From SEPTEMBER 30, 1999 to SEPTEMBER 30, 2000 Capitalization of Cabot Microelectronics Proceeds from initial public offering (net)