股本结构

单位:万股
公告日期 2025-11-05 2025-08-06 2025-08-06 2025-05-07 2025-05-07 2025-03-25
证券总股本 2261.90 2261.64 2261.64 2257.84 2257.73 2255.49
普通股本 2261.90 2261.64 2261.64 2257.84 2257.73 2255.49
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 2025-09-30 2025-08-05 2025-06-30 2025-04-28 2025-03-31 2025-03-03
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
2025-11-05 2261.90 未披露
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From June 30, 2025 to September 30, 2025 Stock-based and deferred compensation
2025-09-30
2025-08-06 2261.64 未披露 定期报告 2025-08-05
2025-08-06 2261.64 未披露
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From March 31, 2025 to June 30, 2025 Stock-based and deferred compensation
2025-06-30
2025-05-07 2257.84 未披露 定期报告 2025-04-28
2025-05-07 2257.73 未披露
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From December 31, 2024 to March 31, 2025 Issuance of 1,943 shares of common stock under incentive compensation plan Stock-based and deferred compensation
2025-03-31
2025-03-25 2255.49 未披露 定期报告 2025-03-03
2025-02-27 2250.41 未披露 定期报告 2025-01-31
2025-02-27 2250.06 未披露
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From December 31, 2023 to December 31, 2024 Issuance of 26,735 shares of common stock under stock option plan Stock-based and deferred compensation
2024-12-31
2024-11-06 2249.47 未披露 定期报告 2024-10-31
2024-11-06 2249.45 未披露
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From June 30, 2024 to September 30, 2024 Stock-based and deferred compensation Issuance of 1,037 shares of common stock under incentive compensation plan
2024-09-30
2024-08-08 2249.37 未披露 定期报告 2024-07-31
2024-08-08 2248.98 未披露
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From March 31, 2024 to June 30, 2024 Stock-based and deferred compensation Issuance of 2,456 shares of common stock under incentive compensation plan
2024-06-30
2024-05-08 2247.49 未披露 定期报告 2024-04-26
2024-05-08 2247.38 未披露
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From December 31, 2023 to March 31, 2024 Stock-based and deferred compensation Issuance of 20,668 shares of common stock under incentive compensation plan
2024-03-31
2024-03-26 2246.41 未披露 定期报告 2024-03-04
2024-02-29 2238.14 未披露 定期报告 2024-01-31
2024-02-29 2237.78 未披露
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From December 31, 2022 to December 31, 2023 Issuance of 52,999 shares of common stock under stock option plan Stock-based and deferred compensation
2023-12-31
2023-11-02 2236.74 未披露 定期报告 2023-10-26
2023-11-02 2236.14 未披露
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From June 30, 2023 to September 30, 2023 Issuance of 10,730 shares of common stock under incentive compensation plan Stock-based and deferred compensation
2023-09-30
2023-08-03 2235.12 未披露 定期报告 2023-07-26
2023-08-03 2235.06 未披露
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From March 31, 2023 to June 30, 2023 Issuance of 6,791 shares of common stock under incentive compensation plan Stock-based and deferred compensation
2023-06-30
2023-05-04 2234.12 未披露 定期报告 2023-04-27
2023-05-04 2233.21 未披露
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From December 31, 2022 to March 31, 2023 Stock-based and deferred compensation Issuance of 25,981 shares of common stock under incentive compensation plan
2023-03-31
2023-03-20 2230.66 未披露 定期报告 2023-03-03
2023-02-28 2224.00 未披露 定期报告 2023-01-31
2023-02-28 2223.50 未披露
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From December 31, 2021 to December 31, 2022 Purchase of 251,120 shares of common stock Stock-based and deferred compensation Issuance of 11,888 shares of common stock under stock option plan
2022-12-31
2022-11-03 2222.83 未披露 定期报告 2022-10-28
2022-11-03 2225.40 未披露
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From June 30, 2022 to September 30, 2022 Issuance of 2,734 shares of common stock under stock option plan Purchase of 54,780 shares of common stock Stock-based and deferred compensation
2022-09-30
2022-08-04 2230.49 未披露
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From March 31, 2022 to June 30, 2022 Stock-based and deferred compensation Purchase of 69,734 shares of common stock Issuance of 1,133 shares of common stock under stock option plan
2022-06-30
2022-05-05 2236.40 未披露 定期报告 2022-04-22
2022-05-05 2236.38 未披露
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From December 31, 2021 to March 31, 2022 Issuance of 1,514 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 98,206 shares of common stock
2022-03-31
2022-03-25 2242.31 未披露 定期报告 2022-03-04
2022-02-25 2242.11 未披露 定期报告 2022-01-31
2022-02-25 2242.00 未披露
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From December 31, 2020 to December 31, 2021 Issuance of 20,435 shares of common stock under stock option plan Purchase of 135,103 shares of common stock Stock-based and deferred compensation
2021-12-31
2021-11-04 2241.58 未披露 定期报告 2021-10-29
2021-11-04 2241.28 未披露
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From June 30, 2021 to September 30, 2021 Purchase of 53,058 shares of common stock Stock-based and deferred compensation Net income Other comprehensive income Common stock ($0.305 per share)
2021-09-30
2021-08-05 2246.59 未披露 定期报告 2021-07-28
2021-08-05 2246.55 未披露
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From March 31, 2021 to June 30, 2021 Issuance of 10,779 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 73,745 shares of common stock
2021-06-30
2021-05-06 2251.69 未披露 定期报告 2021-04-23
2021-05-06 2251.68 未披露
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From December 31, 2020 to March 31, 2021 Issuance of 5,786 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 8,300 shares of common stock
2021-03-31
2021-03-25 2249.18 未披露 定期报告 2021-03-05
2021-02-26 2247.68 未披露 定期报告 2021-01-31
2021-02-26 2247.28 未披露
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From December 31, 2019 to December 31, 2020 Issuance of 48,389 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 173,956 shares of common stock
2020-12-31
2020-10-29 2246.14 未披露
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From June 30, 2020 to September 30, 2020 Issuance of 40,435 shares of common stock under stock option plan Stock-based and deferred compensation
2020-09-30
2020-07-30 2241.38 未披露 定期报告 2020-07-24
2020-07-30 2240.51 未披露
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From March 31, 2020 to June 30, 2020 Issuance of 3,933 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 71,555 shares of common stock
2020-06-30
2020-04-30 2247.26 未披露 定期报告 2020-04-24
2020-04-30 2246.56 未披露
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From December 31, 2019 to March 31, 2020 Issuance of 2,747 shares of common stock under stock option plan Purchase of 89,225 shares of common stock Stock-based and deferred compensation
2020-03-31
2020-03-20 2253.74 未披露 定期报告 2020-02-28
2020-02-27 2251.70 未披露 定期报告 2020-01-31
2020-02-27 2251.36 未披露
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From December 31, 2018 to December 31, 2019 Issuance of 59,799 shares of common stock under stock option plan Purchase of 144,457 shares of common stock Purchase of 73,821 shares of common stock Stock-based and deferred compensation
2019-12-31
2019-10-30 2250.51 未披露
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from June 30, 2019 to September 30, 2019 Issuance of 13,256 shares of common stock under stock option plan Purchase of 73,821 shares of common stock Stock-based and deferred compensation
2019-09-30
2019-07-31 2255.70 未披露 定期报告 2019-07-23
2019-07-31 2255.62 未披露
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from March 31, 2019 to June 30, 2019 Issuance of 4,423 shares of common stock under stock option plan Purchase of 69,736 shares of common stock Stock-based and deferred compensation
2019-06-30
2019-05-07 2261.40 未披露
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from December 31, 2018 to March 31, 2019 Issuance of 38,706 shares of common stock under stock option plan Purchase of 900 shares of common stock Stock-based and deferred compensation
2019-03-31
2019-03-29 2261.41 未披露 定期报告 2019-03-08
2019-03-29 2256.17 未披露 定期报告 2019-03-05
2019-02-27 2251.51 未披露 定期报告 2019-01-31
2019-02-27 2250.56 未披露
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from December 31, 2017 to December 31, 2018 Issuance of 97,471 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 205,983 shares of common stock
2018-12-31
2018-11-01 2251.61 未披露 定期报告 2018-10-22
2018-11-01 2251.26 未披露 定期报告 2018-09-30
2018-08-01 2252.25 未披露 定期报告 2018-06-30
2018-05-01 2264.40 未披露 定期报告 2018-04-20
2018-05-01 2264.58 未披露 定期报告 2018-03-31
2018-03-29 2256.76 未披露 定期报告 2018-03-02
2018-03-29 2253.63 未披露 定期报告 2018-02-26
2018-02-27 2251.41 未披露 定期报告 2018-01-31
2018-02-27 2250.93 未披露
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from December 31, 2016 to December 31, 2017 Issuance of 104,277 shares of common stock under stock option plan Purchase of 76,790 shares of common stock Stock-based and deferred compensation Net income Other comprehensive income Cash dividends paid:Common stock ($0.86 per share) Payment of cash dividends to noncontrolling interest
2017-12-31
2017-10-27 2252.26 未披露 定期报告 2017-10-19
2017-10-27 2252.13 未披露 定期报告 2017-09-30
2017-07-28 2253.53 未披露 定期报告 2017-06-30
2017-04-27 2246.98 未披露 定期报告 2017-04-20
2017-04-27 2246.87 未披露 定期报告 2017-03-31
2017-03-24 2245.55 未披露 定期报告 2017-03-08
2017-03-24 2244.10 未披露 定期报告 2017-02-24
2017-02-24 2242.47 未披露
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from December 31, 2015 to December 31, 2016 Issuance of 167,675 shares of common stock under stock option plan Purchase of 43,835 shares of common stock Stock-based and deferred compensation
2016-12-31
2016-10-28 2240.46 未披露 定期报告 2016-10-24
2016-10-28 2240.26 未披露 定期报告 2016-09-30
2016-07-29 2236.43 未披露 定期报告 2016-07-21
2016-07-29 2232.27 未披露 定期报告 2016-06-30
2016-04-29 2232.16 未披露 定期报告 2016-04-20
2016-04-29 2228.96 未披露 定期报告 2016-03-31
2016-03-24 2229.69 未披露 定期报告 2016-02-26
2016-02-24 2228.24 未披露 定期报告 2016-01-30
2016-02-24 2228.09 未披露
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from December 31, 2014 to December 31, 2015 Issuance of 45,289 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 41,915 shares of common stock
2015-12-31
2015-10-28 2226.03 未披露 定期报告 2015-10-21
2015-10-28 2226.03 未披露 定期报告 2015-09-30
2015-07-29 2229.87 未披露 定期报告 2015-06-30
2015-04-29 2228.13 未披露 定期报告 2015-04-17
2015-04-29 2227.98 未披露 定期报告 2015-03-31
2015-03-26 2227.38 未披露 定期报告 2015-02-27
2015-02-27 2225.56 未披露
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From December 31,2013 to December 31,2014 Issuance of 67,029 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 154,633 shares of common stock
2014-12-31
2014-10-29 2224.86 未披露 定期报告 2014-10-27
2014-10-29 2227.86 未披露 定期报告 2014-09-30
2014-07-30 2230.00 未披露 定期报告 2014-07-30
2014-07-30 2230.81 未披露 定期报告 2014-06-30
2014-04-30 2236.60 未披露 定期报告 2014-04-29
2014-04-30 2236.34 未披露 定期报告 2014-03-31
2014-03-27 2235.50 未披露 定期报告 2014-02-28
2014-02-26 2233.76 未披露 定期报告 2014-01-31
2014-02-26 2233.26 未披露
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From December 31,2012 to December 31,2013 Issuance of 227,410 shares of common stock under stock option plan Conversion of preferred stock to common stock Stock-based compensation Deferred compensation Redemption of preferred stock Purchase of 60,595 shares of common stock
2013-12-31
2013-10-30 2231.87 未披露 定期报告 2013-10-24
2013-10-30 2231.49 未披露 定期报告 2013-09-30
2013-07-31 2219.31 未披露 定期报告 2013-07-25
2013-07-31 2216.95 5.97 定期报告 2013-06-30
2013-05-02 2209.09 未披露 定期报告 2013-04-29
2013-05-02 2208.95 6.19 定期报告 2013-03-31
2013-03-27 2204.21 未披露 定期报告 2013-03-01
2013-02-27 2196.60 6.19
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from December 31, 2011 to December 31, 2012 Issuance of 582,730 shares of common stock under stock option plan Conversion of preferred stock to common stock Stock-based compensation Deferred compensation Two-for-one stock split
2012-12-31
2012-10-24 2078.49 未披露
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Two-for-one stock split of Stepan's common stock
2012-12-17
2012-11-02 1039.24 未披露 定期报告 2012-10-30
2012-11-02 1039.23 51.58 定期报告 2012-09-30
2012-08-03 1036.97 未披露 定期报告 2012-07-31
2012-08-03 1034.93 51.83 定期报告 2012-06-30
2012-05-07 1034.28 未披露 定期报告 2012-04-30
2012-05-07 1033.46 51.83 定期报告 2012-03-31
2012-02-27 1026.60 未披露 定期报告 2012-01-31
2012-02-27 1024.63 51.83
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from December 31, 2010 to December 31, 2011 Issuance of 134,489 shares of common stock under stock option plan Purchase of 57,730 shares of common stock Conversion of preferred stock to common stock Stock-based compensation Deferred compensation
2011-12-31
2011-10-28 1022.81 未披露 定期报告 2011-10-25
2011-10-28 1022.66 51.83 定期报告 2011-09-30
2011-07-29 1016.33 未披露 定期报告 2011-07-26
2011-07-29 1015.66 52.01 定期报告 2011-06-30
2011-05-05 1016.76 未披露 定期报告 2011-04-29
2011-05-05 1016.25 52.01 定期报告 2011-03-31
2011-02-28 1010.79 未披露 定期报告 2011-01-31
2011-02-28 1010.57 52.01
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from December 31, 2009 to December 31, 2010 Issuance of 187,254 shares of common stock under stock option plan Conversion of preferred stock to common stock Stock-based compensation Purchase of 125,035 shares of common stock, net of re-issuances
2010-12-31
2010-11-04 1004.53 未披露 定期报告 2010-10-31
2010-11-04 1003.76 53.80 定期报告 2010-09-30
2010-07-30 1005.01 未披露 定期报告 2010-07-23
2010-07-30 1005.01 54.09 定期报告 2010-06-30
2010-04-29 1000.83 未披露 定期报告 2010-04-26
2010-04-29 992.94 54.64 定期报告 2010-03-31
2010-02-26 994.82 54.64
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from December 31, 2008 to December 31, 2009 Conversion of preferred stock to common stock Issuance of 335,644 shares of common stock under stock option plan Equity based compensation Purchase of 99,561 shares of common stock Profit sharing (transfer of 27,372 shares of treasury stock)
2009-12-31
2009-02-27 963.27 未披露 定期报告 2009-01-31
2009-02-27 963.21 55.04
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from December 31, 2007 to December 31, 2008 Conversion of preferred stock to common stock Issuance of 364,009 shares of common stock under stock option plan Purchase of 77,685 shares of common stock, net of sales Profit sharing (transfer of 16,859 shares of treasury stock)
2008-12-31
2008-03-05 936.01 未披露 定期报告 2008-02-29
2008-03-05 930.92 56.78
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from December 31, 2006 to December 31, 2007 Conversion of preferred stock to common stock Issuance of 108,601 shares of common stock under stock option plan Purchase of 24,600 shares of common stock, net of sales Profit sharing (transfer of 11,527 shares of treasury stock)
2007-12-31
2007-03-08 923.85 未披露 定期报告 2007-02-28
2007-03-08 920.78 57.29
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from December 31, 2005 to December 31, 2006 Conversion of preferred stock to common stock Sale of 197,171 shares of common stock under stock option plan Purchase of 33,220 shares of common stock, net of sales Deferred compensation
2006-12-31
2006-03-06 904.47 未披露 定期报告 2006-02-28
2006-03-06 904.05 57.53
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from December 31, 2004 to December 31, 2005 Conversion of preferred stock to common stock Sale of 103,194 shares of common stock under stock option plan Purchase of 62,864 shares of common stock,net of sales
2005-12-31
2005-03-04 899.41 未披露 定期报告 2005-02-28
2005-03-04 899.31 58.15
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from December 31, 2003 to December 31, 2004 Conversion of preferred stock to common stock Sale of 131,605 shares of common stock under stock option plan Purchase of 72,774 shares of common stock, net of sales
2004-12-31
2004-03-15 894.54 未披露 定期报告 2004-02-29
2004-03-15 893.36 58.21
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from December 31, 2002 to December 31, 2003 Conversion of preferred stock to common stock Sale of 157,427 shares of common stock under stock option plan Purchase of 105,195 shares of common stock, net of sales
2003-12-31
2003-03-21 888.12 未披露 定期报告 2003-02-28
2003-03-21 888.07 58.26
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from December 31, 2001 to December 31, 2002 Conversion of preferred stock to common stock Sale of 137,501 shares of common stock under stock option plan Purchase of 79,244 shares of common stock, net of sales
2002-12-31
2002-03-25 926.31 未披露 定期报告 2002-02-28
2002-03-25 942.04 58.33
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from December 31, 2000 to December 31, 2001 Conversion of preferred stock to common stock Sale of 192,650 shares under stock option plan Purchase of 189,214 shares of common stock,net of sales
2001-12-31
2001-03-13 925.37 未披露 定期报告 2001-02-28
2001-03-13 922.75 58.35
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from December 31, 1999 to December 31, 2000 Retirement of shares of treasury stock:188,535 shares of preferred stock Conversion of preferred stock to common stock Retirement of shares of treasury stock:400,000 shares of common stock Sale of 113,950 shares under stock option plan Purchase of 386,709 shares of common and 16,015 shares of preferred treasury stock, net of sales
2000-12-31
2000-03-30 951.69 未披露 定期报告 2000-02-29
2000-03-30 948.77 61.05
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from December 31, 1998 to December 31, 1999 Conversion of preferred stock to common stock Retirement of 400,000 shares of common treasury stock Sale of 85,250 shares under stock option plan Purchase of 317,048 shares of common and 38,646 shares of preferred treasury stock, net of sales Retirement of 400,000 shares of common treasury stock
1999-12-31
1999-03-29 967.82 未披露 定期报告 1999-02-28
1999-03-29 969.27 65.05
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from December 31, 1997 to December 31, 1998 Conversion of preferred stock to common stock Sale of 151,200 shares under stock option plan Retirement of 500,000 shares of common treasury stock Purchase of 288,744 shares of common treasury stock, net of sales Retirement of 500,000 shares of common treasury stock
1998-12-31
1998-03-30 988.10 未披露 定期报告 1998-02-28
1998-03-30 982.56 65.46
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from December 31, 1996 to December 31, 1997 Conversion of preferred stock to common stock Sale of 200,500 shares under stock option plan Purchase of 246,901 shares of common and 113,666 shares of preferred treasury stock, net of sales
1997-12-31
1997-03-25 986.10 未披露 定期报告 1997-02-28
1997-03-25 986.23 77.68
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from December 31, 1995 to December 31, 1996 Conversion of preferred stock to common stock Sale of 44,826 shares under stock option plan Purchase of 184,587 shares of common treasury stock, net of sales
1996-12-31
1996-03-25 1003.90 未披露 定期报告 1996-02-29
1996-03-25 1000.18 77.70
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from December 31, 1994 to December 31, 1995 Conversion of preferred stock to common stock Sale of 55,800 shares under stock option plan Purchase of 536 shares of common treasury stock,net of sales
1995-12-31
1995-03-29 996.40 未披露 定期报告 1995-02-28
1995-03-29 994.43 77.90
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from December 31, 1993 to December 31, 1994 Conversion of preferred stock to common stock Sale of 51,940 shares under stock option plan Retirement of 250,000 shares of common treasury stock Two-for-one common stock split Purchase of 4,222 shares of common and 11,508 shares of preferred treasury stock,net of sales Retirement of 250,000 shares of common treasury stock
1994-12-31
1994-03-24 495.30 未披露 定期报告 1994-02-28
1994-03-24 494.80 79.10
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from December 31, 1992 to December 31, 1993 Conversion of preferred stock to common stock Sale of 11,900 shares under stock option plan Purchase of 22 shares of common and 8,700 shares of preferred treasury stock, net of sales
1993-12-31
1994-03-24 493.59 80.00
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from December 31, 1991 to December 31, 1992 Issuance of preferred stock in exchange and retirement of 529,801 shares of common stock Sale of 80,066 shares under stock option plan Purchase of 52,423 shares ofcommon treasury stock,net of sales
1992-12-31
From June 30, 2025 to September 30, 2025 Stock-based and deferred compensation
From March 31, 2025 to June 30, 2025 Stock-based and deferred compensation
From December 31, 2024 to March 31, 2025 Issuance of 1,943 shares of common stock under incentive compensation plan Stock-based and deferred compensation
From December 31, 2023 to December 31, 2024 Issuance of 26,735 shares of common stock under stock option plan Stock-based and deferred compensation
From June 30, 2024 to September 30, 2024 Stock-based and deferred compensation Issuance of 1,037 shares of common stock under incentive compensation plan
From March 31, 2024 to June 30, 2024 Stock-based and deferred compensation Issuance of 2,456 shares of common stock under incentive compensation plan
From December 31, 2023 to March 31, 2024 Stock-based and deferred compensation Issuance of 20,668 shares of common stock under incentive compensation plan
From December 31, 2022 to December 31, 2023 Issuance of 52,999 shares of common stock under stock option plan Stock-based and deferred compensation
From June 30, 2023 to September 30, 2023 Issuance of 10,730 shares of common stock under incentive compensation plan Stock-based and deferred compensation
From March 31, 2023 to June 30, 2023 Issuance of 6,791 shares of common stock under incentive compensation plan Stock-based and deferred compensation
From December 31, 2022 to March 31, 2023 Stock-based and deferred compensation Issuance of 25,981 shares of common stock under incentive compensation plan
From December 31, 2021 to December 31, 2022 Purchase of 251,120 shares of common stock Stock-based and deferred compensation Issuance of 11,888 shares of common stock under stock option plan
From June 30, 2022 to September 30, 2022 Issuance of 2,734 shares of common stock under stock option plan Purchase of 54,780 shares of common stock Stock-based and deferred compensation
From March 31, 2022 to June 30, 2022 Stock-based and deferred compensation Purchase of 69,734 shares of common stock Issuance of 1,133 shares of common stock under stock option plan
From December 31, 2021 to March 31, 2022 Issuance of 1,514 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 98,206 shares of common stock
From December 31, 2020 to December 31, 2021 Issuance of 20,435 shares of common stock under stock option plan Purchase of 135,103 shares of common stock Stock-based and deferred compensation
From June 30, 2021 to September 30, 2021 Purchase of 53,058 shares of common stock Stock-based and deferred compensation Net income Other comprehensive income Common stock ($0.305 per share)
From March 31, 2021 to June 30, 2021 Issuance of 10,779 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 73,745 shares of common stock
From December 31, 2020 to March 31, 2021 Issuance of 5,786 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 8,300 shares of common stock
From December 31, 2019 to December 31, 2020 Issuance of 48,389 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 173,956 shares of common stock
From June 30, 2020 to September 30, 2020 Issuance of 40,435 shares of common stock under stock option plan Stock-based and deferred compensation
From March 31, 2020 to June 30, 2020 Issuance of 3,933 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 71,555 shares of common stock
From December 31, 2019 to March 31, 2020 Issuance of 2,747 shares of common stock under stock option plan Purchase of 89,225 shares of common stock Stock-based and deferred compensation
From December 31, 2018 to December 31, 2019 Issuance of 59,799 shares of common stock under stock option plan Purchase of 144,457 shares of common stock Purchase of 73,821 shares of common stock Stock-based and deferred compensation
from June 30, 2019 to September 30, 2019 Issuance of 13,256 shares of common stock under stock option plan Purchase of 73,821 shares of common stock Stock-based and deferred compensation
from March 31, 2019 to June 30, 2019 Issuance of 4,423 shares of common stock under stock option plan Purchase of 69,736 shares of common stock Stock-based and deferred compensation
from December 31, 2018 to March 31, 2019 Issuance of 38,706 shares of common stock under stock option plan Purchase of 900 shares of common stock Stock-based and deferred compensation
from December 31, 2017 to December 31, 2018 Issuance of 97,471 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 205,983 shares of common stock
from December 31, 2016 to December 31, 2017 Issuance of 104,277 shares of common stock under stock option plan Purchase of 76,790 shares of common stock Stock-based and deferred compensation Net income Other comprehensive income Cash dividends paid:Common stock ($0.86 per share) Payment of cash dividends to noncontrolling interest
from December 31, 2015 to December 31, 2016 Issuance of 167,675 shares of common stock under stock option plan Purchase of 43,835 shares of common stock Stock-based and deferred compensation
from December 31, 2014 to December 31, 2015 Issuance of 45,289 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 41,915 shares of common stock
From December 31,2013 to December 31,2014 Issuance of 67,029 shares of common stock under stock option plan Stock-based and deferred compensation Purchase of 154,633 shares of common stock
From December 31,2012 to December 31,2013 Issuance of 227,410 shares of common stock under stock option plan Conversion of preferred stock to common stock Stock-based compensation Deferred compensation Redemption of preferred stock Purchase of 60,595 shares of common stock
from December 31, 2011 to December 31, 2012 Issuance of 582,730 shares of common stock under stock option plan Conversion of preferred stock to common stock Stock-based compensation Deferred compensation Two-for-one stock split
Two-for-one stock split of Stepan's common stock
from December 31, 2010 to December 31, 2011 Issuance of 134,489 shares of common stock under stock option plan Purchase of 57,730 shares of common stock Conversion of preferred stock to common stock Stock-based compensation Deferred compensation
from December 31, 2009 to December 31, 2010 Issuance of 187,254 shares of common stock under stock option plan Conversion of preferred stock to common stock Stock-based compensation Purchase of 125,035 shares of common stock, net of re-issuances
from December 31, 2008 to December 31, 2009 Conversion of preferred stock to common stock Issuance of 335,644 shares of common stock under stock option plan Equity based compensation Purchase of 99,561 shares of common stock Profit sharing (transfer of 27,372 shares of treasury stock)
from December 31, 2007 to December 31, 2008 Conversion of preferred stock to common stock Issuance of 364,009 shares of common stock under stock option plan Purchase of 77,685 shares of common stock, net of sales Profit sharing (transfer of 16,859 shares of treasury stock)
from December 31, 2006 to December 31, 2007 Conversion of preferred stock to common stock Issuance of 108,601 shares of common stock under stock option plan Purchase of 24,600 shares of common stock, net of sales Profit sharing (transfer of 11,527 shares of treasury stock)
from December 31, 2005 to December 31, 2006 Conversion of preferred stock to common stock Sale of 197,171 shares of common stock under stock option plan Purchase of 33,220 shares of common stock, net of sales Deferred compensation
from December 31, 2004 to December 31, 2005 Conversion of preferred stock to common stock Sale of 103,194 shares of common stock under stock option plan Purchase of 62,864 shares of common stock,net of sales
from December 31, 2003 to December 31, 2004 Conversion of preferred stock to common stock Sale of 131,605 shares of common stock under stock option plan Purchase of 72,774 shares of common stock, net of sales
from December 31, 2002 to December 31, 2003 Conversion of preferred stock to common stock Sale of 157,427 shares of common stock under stock option plan Purchase of 105,195 shares of common stock, net of sales
from December 31, 2001 to December 31, 2002 Conversion of preferred stock to common stock Sale of 137,501 shares of common stock under stock option plan Purchase of 79,244 shares of common stock, net of sales
from December 31, 2000 to December 31, 2001 Conversion of preferred stock to common stock Sale of 192,650 shares under stock option plan Purchase of 189,214 shares of common stock,net of sales
from December 31, 1999 to December 31, 2000 Retirement of shares of treasury stock:188,535 shares of preferred stock Conversion of preferred stock to common stock Retirement of shares of treasury stock:400,000 shares of common stock Sale of 113,950 shares under stock option plan Purchase of 386,709 shares of common and 16,015 shares of preferred treasury stock, net of sales
from December 31, 1998 to December 31, 1999 Conversion of preferred stock to common stock Retirement of 400,000 shares of common treasury stock Sale of 85,250 shares under stock option plan Purchase of 317,048 shares of common and 38,646 shares of preferred treasury stock, net of sales Retirement of 400,000 shares of common treasury stock
from December 31, 1997 to December 31, 1998 Conversion of preferred stock to common stock Sale of 151,200 shares under stock option plan Retirement of 500,000 shares of common treasury stock Purchase of 288,744 shares of common treasury stock, net of sales Retirement of 500,000 shares of common treasury stock
from December 31, 1996 to December 31, 1997 Conversion of preferred stock to common stock Sale of 200,500 shares under stock option plan Purchase of 246,901 shares of common and 113,666 shares of preferred treasury stock, net of sales
from December 31, 1995 to December 31, 1996 Conversion of preferred stock to common stock Sale of 44,826 shares under stock option plan Purchase of 184,587 shares of common treasury stock, net of sales
from December 31, 1994 to December 31, 1995 Conversion of preferred stock to common stock Sale of 55,800 shares under stock option plan Purchase of 536 shares of common treasury stock,net of sales
from December 31, 1993 to December 31, 1994 Conversion of preferred stock to common stock Sale of 51,940 shares under stock option plan Retirement of 250,000 shares of common treasury stock Two-for-one common stock split Purchase of 4,222 shares of common and 11,508 shares of preferred treasury stock,net of sales Retirement of 250,000 shares of common treasury stock
from December 31, 1992 to December 31, 1993 Conversion of preferred stock to common stock Sale of 11,900 shares under stock option plan Purchase of 22 shares of common and 8,700 shares of preferred treasury stock, net of sales
from December 31, 1991 to December 31, 1992 Issuance of preferred stock in exchange and retirement of 529,801 shares of common stock Sale of 80,066 shares under stock option plan Purchase of 52,423 shares ofcommon treasury stock,net of sales