股本结构
暂无数据
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 |
|---|---|---|---|---|
| 2025-11-03 | 28735.37 | 未披露 | 定期报告 | 2025-10-30 |
| 2025-11-03 | 28710.87 | 未披露 |
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From June 30, 2025 to September 30, 2025
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
|
2025-09-30 |
| 2025-07-21 | 28355.29 | 未披露 | 定期报告 | 2025-07-18 |
| 2025-07-31 | 28095.86 | 未披露 | 定期报告 | 2025-06-30 |
| 2025-06-03 | 27934.20 | 未披露 | 定期报告 | 2025-06-01 |
| 2025-06-02 | 27934.21 | 未披露 | 定期报告 | 2025-05-30 |
| 2025-05-05 | 27340.33 | 未披露 | 定期报告 | 2025-05-02 |
| 2025-05-01 | 27340.18 | 未披露 | 定期报告 | 2025-04-29 |
| 2025-04-28 | 26932.92 | 850.00 | 定期报告 | 2025-04-22 |
| 2025-05-05 | 26617.75 | 未披露 |
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From December 31, 2024 to March 31, 2025
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon conversions of convertible senior notes
|
2025-03-31 |
| 2025-03-21 | 26045.67 | 未披露 | 定期报告 | 2025-03-16 |
| 2025-03-10 | 26041.92 | 未披露 | 定期报告 | 2025-03-06 |
| 2025-02-18 | 25735.19 | 未披露 | 定期报告 | 2025-02-04 |
| 2025-03-18 | 25127.29 | 未披露 | 定期报告 | 2025-01-23 |
| 2025-01-21 | 24957.20 | 未披露 | 定期报告 | 2025-01-20 |
| 2025-02-18 | 24577.80 | 未披露 |
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From December 31, 2023 to December 31, 2024
Retirement of treasury stock
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon conversions of convertible senior notes
|
2024-12-31 |
| 2024-12-16 | 24353.30 | 未披露 | 定期报告 | 2024-12-15 |
| 2025-01-03 | 24353.31 | 未披露 | 定期报告 | 2024-12-13 |
| 2024-12-09 | 23964.70 | 未披露 | 定期报告 | 2024-12-08 |
| 2024-12-02 | 23422.70 | 未披露 | 定期报告 | 2024-12-01 |
| 2024-11-25 | 23047.70 | 未披露 | 定期报告 | 2024-11-24 |
| 2024-11-18 | 22467.50 | 未披露 | 定期报告 | 2024-11-17 |
| 2024-10-31 | 20264.42 | 未披露 | 定期报告 | 2024-10-21 |
| 2024-10-31 | 20264.00 | 未披露 |
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From June 30, 2024 to September 30, 2024
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon conversions of convertible senior notes
|
2024-09-30 |
| 2024-08-01 | 19432.07 | 未披露 |
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a 10-for-1 stock split of the Company’s class A common stock and class B common stock
|
2024-08-08 |
| 2024-08-01 | 1943.21 | 未披露 | 定期报告 | 2024-07-29 |
| 2024-08-06 | 1943.21 | 未披露 | 定期报告 | 2024-07-25 |
| 2024-08-06 | 1906.70 | 未披露 |
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From March 31, 2024 to June 30, 2024
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock upon conversions of convertible senior notes
|
2024-06-30 |
| 2024-05-01 | 1773.74 | 未披露 | 定期报告 | 2024-04-24 |
| 2024-05-01 | 1764.70 | 未披露 |
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From December 31, 2023 to March 31, 2024
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon exercise of stock options
|
2024-03-31 |
| 2024-04-12 | 1763.72 | 未披露 | 定期报告 | 2024-03-26 |
| 2024-02-15 | 1696.81 | 未披露 | 定期报告 | 2024-02-01 |
| 2024-02-15 | 1686.80 | 未披露 |
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From December 31, 2022 to December 31, 2023
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon exercise of stock options
|
2023-12-31 |
| 2023-11-30 | 1563.69 | 未披露 | 定期报告 | 2023-11-28 |
| 2023-11-01 | 1451.82 | 未披露 | 定期报告 | 2023-10-24 |
| 2023-11-01 | 1450.70 | 未披露 |
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From June 30, 2023 to September 30, 2023
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
|
2023-09-30 |
| 2023-08-01 | 1408.66 | 未披露 | 定期报告 | 2023-07-28 |
| 2023-08-01 | 1408.54 | 未披露 | 定期报告 | 2023-07-25 |
| 2023-08-01 | 1408.30 | 未披露 |
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From March 31, 2023 to June 30, 2023
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon exercise of stock options
|
2023-06-30 |
| 2023-05-01 | 1295.87 | 未披露 | 定期报告 | 2023-04-24 |
| 2023-05-01 | 1295.90 | 未披露 |
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From December 31, 2022 to March 31, 2023
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
|
2023-03-31 |
| 2023-04-13 | 1293.87 | 未披露 | 定期报告 | 2023-03-27 |
| 2023-02-16 | 1154.88 | 未披露 | 定期报告 | 2023-02-02 |
| 2023-02-16 | 1154.90 | 未披露 |
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From December 31, 2021 to December 31, 2022
Share-based compensation expense
Other comprehensive loss
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock under employee stock purchase plan
Net loss
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
|
2022-12-31 |
| 2022-11-01 | 1131.77 | 未披露 | 定期报告 | 2022-10-25 |
| 2022-11-01 | 1131.80 | 未披露 |
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From June 30, 2022 to September 30, 2022
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
|
2022-09-30 |
| 2022-09-09 | 1130.61 | 未披露 | 定期报告 | 2022-09-07 |
| 2022-08-02 | 1130.09 | 未披露 | 定期报告 | 2022-07-26 |
| 2022-08-02 | 1130.10 | 未披露 |
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From March 31, 2022 to June 30, 2022
Other comprehensive loss
Issuance of class A common stock upon exercise of stock options
Share-based compensation expense
Net loss
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
|
2022-06-30 |
| 2022-05-03 | 1129.75 | 未披露 | 定期报告 | 2022-04-26 |
| 2022-05-03 | 1129.80 | 未披露 |
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From December 31, 2021 to March 31, 2022
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
|
2022-03-31 |
| 2022-04-14 | 1129.75 | 未披露 | 定期报告 | 2022-03-28 |
| 2022-02-16 | 1128.54 | 未披露 | 定期报告 | 2022-02-01 |
| 2022-02-16 | 1128.60 | 未披露 |
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From December 31, 2020 to December 31, 2021
Issuance of class A common stock under stock option plans
Issuance of class A common stock under employee stock purchase plans
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
|
2021-12-31 |
| 2021-10-28 | 1035.76 | 未披露 | 定期报告 | 2021-10-21 |
| 2021-10-28 | 974.80 | 未披露 |
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From July 1, 2021 to September 30, 2021
Issuance of class A common stock under stock option plans
Issuance of class A common stock under employee stock purchase plans
Issuance of class A common stock under public offerings
|
2021-09-30 |
| 2021-07-29 | 974.75 | 未披露 | 定期报告 | 2021-07-22 |
| 2021-07-29 | 974.80 | 未披露 |
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From March 31, 2021 to June 30, 2021
Net loss
Other comprehensive income
Issuance of class A common stock under stock option plans
Share-based compensation expense
|
2021-06-30 |
| 2021-06-14 | 974.66 | 未披露 | 定期报告 | 2021-06-11 |
| 2021-04-29 | 974.56 | 未披露 | 定期报告 | 2021-04-22 |
| 2021-04-29 | 974.60 | 未披露 |
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From January 1, 2020 To March 31, 2021
Issuance of class A common stock under stock option plans
Purchases of treasury stock
|
2021-03-31 |
| 2021-04-15 | 974.56 | 未披露 | 定期报告 | 2021-03-29 |
| 2021-02-12 | 958.70 | 未披露 | 定期报告 | 2021-02-02 |
| 2021-02-12 | 958.70 | 未披露 |
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From December 31, 2019 to December 31, 2020
Conversion of class B to class A common stock
Issuance of class A common stock under stock option plans
Purchases of treasury stock
|
2020-12-31 |
| 2020-10-27 | 926.70 | 未披露 | 定期报告 | 2020-10-19 |
| 2020-10-27 | 926.70 | 未披露 |
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From June 30,2020 to September 30,2020
Conversion of class B to class A common stock
Issuance of class A common stock under stock option plans
Purchases of treasury stock
|
2020-09-30 |
| 2020-07-28 | 968.62 | 未披露 | 定期报告 | 2020-07-20 |
| 2020-07-28 | 968.60 | 未披露 |
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From March 31, 2020 to June 30, 2020
Issuance of class A common stock under stock option plans
Purchases of treasury stock
|
2020-06-30 |
| 2020-04-28 | 976.41 | 未披露 | 定期报告 | 2020-04-20 |
| 2020-04-28 | 976.40 | 未披露 |
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From December 31, 2019 to March 31, 2020
Issuance of class A common stock under stock option plans
Purchases of treasury stock
|
2020-03-31 |
| 2020-02-14 | 1010.50 | 未披露 | 定期报告 | 2020-02-03 |
| 2020-02-14 | 1011.60 | 未披露 |
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from December 31, 2018 to December 31, 2019
Issuance of class A common stock under stock option plans
Purchases of treasury stock
|
2019-12-31 |
| 2019-10-30 | 1026.71 | 未披露 | 定期报告 | 2019-10-15 |
| 2019-10-30 | 1026.70 | 未披露 |
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from June 30, 2019 to September 30, 2019
Issuance of class A common stock under stock option plans
|
2019-09-30 |
| 2019-07-30 | 1023.96 | 未披露 | 定期报告 | 2019-07-16 |
| 2019-07-30 | 1024.00 | 未披露 |
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from March 31, 2019 to June 30, 2019
Issuance of class A common stock under stock option plans
|
2019-06-30 |
| 2019-04-30 | 1023.96 | 未披露 | 定期报告 | 2019-04-15 |
| 2019-04-18 | 1023.71 | 未披露 | 定期报告 | 2019-04-02 |
| 2019-04-30 | 1023.70 | 未披露 |
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from December 31, 2018 to March 31, 2019
Issuance of class A common stock under stock option plans
Purchases of treasury stock
|
2019-03-31 |
| 2019-02-20 | 1027.70 | 未披露 | 定期报告 | 2019-02-11 |
| 2019-02-20 | 1058.70 | 未披露 |
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from December 31, 2017 to December 31, 2018
Issuance of class A common stock under stock option plans
Purchases of treasury stock
|
2018-12-31 |
| 2018-10-25 | 1146.74 | 未披露 | 定期报告 | 2018-10-15 |
| 2018-10-25 | 1146.70 | 未披露 | 定期报告 | 2018-09-30 |
| 2018-07-26 | 1146.74 | 未披露 | 定期报告 | 2018-07-16 |
| 2018-07-26 | 1146.70 | 未披露 | 定期报告 | 2018-06-30 |
| 2018-04-19 | 1144.70 | 未披露 | 定期报告 | 2018-04-05 |
| 2018-04-26 | 1144.70 | 未披露 | 定期报告 | 2018-03-31 |
| 2018-02-07 | 1144.70 | 未披露 | 定期报告 | 2018-01-26 |
| 2018-02-07 | 1144.70 | 未披露 |
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from December 31, 2016 to December 31, 2017
Issuance of class A common stock under stock option plans
|
2017-12-31 |
| 2017-10-26 | 1144.70 | 未披露 | 定期报告 | 2017-10-16 |
| 2017-10-26 | 1144.70 | 未披露 | 定期报告 | 2017-09-30 |
| 2017-07-27 | 1144.70 | 未披露 | 定期报告 | 2017-07-18 |
| 2017-07-27 | 1144.70 | 未披露 | 定期报告 | 2017-06-30 |
| 2017-04-20 | 1144.21 | 未披露 | 定期报告 | 2017-04-03 |
| 2017-04-27 | 1144.20 | 未披露 | 定期报告 | 2017-03-31 |
| 2017-02-10 | 1143.53 | 未披露 | 定期报告 | 2017-01-30 |
| 2017-02-10 | 1143.50 | 未披露 |
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from December 31, 2015 to December 31, 2016
Issuance of class A common stock under stock option plans
|
2016-12-31 |
| 2016-10-27 | 1143.11 | 未披露 | 定期报告 | 2016-10-19 |
| 2016-10-27 | 1143.10 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-07-28 | 1143.11 | 未披露 | 定期报告 | 2016-07-22 |
| 2016-07-28 | 1143.10 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-04-27 | 1142.49 | 未披露 | 定期报告 | 2016-04-21 |
| 2016-04-27 | 1142.40 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-02-26 | 1140.23 | 未披露 | 定期报告 | 2016-02-22 |
| 2016-02-26 | 1140.10 | 未披露 |
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From December 31, 2014 to December 31, 2015
Conversion of class B to class A common stock
Issuance of class A common stock under stock option plans
|
2015-12-31 |
| 2015-10-29 | 1136.48 | 未披露 | 定期报告 | 2015-10-22 |
| 2015-07-30 | 1136.48 | 未披露 | 定期报告 | 2015-07-23 |
| 2015-04-30 | 1132.60 | 未披露 | 定期报告 | 2015-04-23 |
| 2015-02-26 | 1132.60 | 未披露 | 定期报告 | 2015-02-20 |
| 2014-10-29 | 1130.10 | 未披露 | 定期报告 | 2014-10-22 |
| 2014-07-30 | 1130.10 | 未披露 | 定期报告 | 2014-07-22 |
| 2014-04-29 | 1130.10 | 未披露 | 定期报告 | 2014-04-22 |
| 2014-02-12 | 1130.10 | 未披露 | 定期报告 | 2014-02-03 |
| 2013-02-13 | 1128.46 | 未披露 |
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from December 31, 2011 to December 31, 2012
Conversion of class B to class A common stock
Issuance of class A common stock under stock option plans
|
2012-12-31 |
| 2003-03-14 | 1379.28 | 未披露 | 定期报告 | 2003-03-01 |
| 2002-03-19 | 9269.69 | 未披露 | 定期报告 | 2002-03-01 |
| 2002-03-19 | 9192.20 | 0.80 |
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from December 31, 2000 to December 31, 2001
Conversion of class B to class A common stock
Issuance of class A common stock under stock option and purchase plans
Issuance of class A common stock in connection with agreement with software integrator
Payment of preferred stock dividends in shares of class A common stock
Issuance of class A common stock in exchang for redeemable convertible preferred stock of discontinued operations
Cancellation of treasury stock
Issuance of class A common stock in connection with refinancing of series A preferred stock
Conversion of series D preferred stock to class A common stock
|
2001-12-31 |
| 2001-04-02 | 8149.07 | 未披露 | 定期报告 | 2001-03-01 |
| 2001-04-02 | 8076.90 | 1341.40 |
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from December 31, 1999 to December 31, 2000
Conversion of Class B to Class A common stock
Issuance of Class A common stock under stock option and purchase plans
Issuance of Class A common stock in connection with agreement with software integrator
Payment of preferred stock dividends
|
2000-12-31 |
From June 30, 2025 to September 30, 2025
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
From December 31, 2024 to March 31, 2025
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon conversions of convertible senior notes
From December 31, 2023 to December 31, 2024
Retirement of treasury stock
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon conversions of convertible senior notes
From June 30, 2024 to September 30, 2024
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon conversions of convertible senior notes
a 10-for-1 stock split of the Company’s class A common stock and class B common stock
From March 31, 2024 to June 30, 2024
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock upon conversions of convertible senior notes
From December 31, 2023 to March 31, 2024
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon exercise of stock options
From December 31, 2022 to December 31, 2023
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon exercise of stock options
From June 30, 2023 to September 30, 2023
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
From March 31, 2023 to June 30, 2023
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock upon exercise of stock options
From December 31, 2022 to March 31, 2023
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
From December 31, 2021 to December 31, 2022
Share-based compensation expense
Other comprehensive loss
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under public offerings, net of issuance costs
Issuance of class A common stock under employee stock purchase plan
Net loss
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
From June 30, 2022 to September 30, 2022
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
From March 31, 2022 to June 30, 2022
Other comprehensive loss
Issuance of class A common stock upon exercise of stock options
Share-based compensation expense
Net loss
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
From December 31, 2021 to March 31, 2022
Issuance of class A common stock upon exercise of stock options
Issuance of class A common stock under employee stock purchase plan
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
From December 31, 2020 to December 31, 2021
Issuance of class A common stock under stock option plans
Issuance of class A common stock under employee stock purchase plans
Issuance of class A common stock upon vesting of restricted stock units, net of withholding taxes
Issuance of class A common stock under public offerings, net of issuance costs
From July 1, 2021 to September 30, 2021
Issuance of class A common stock under stock option plans
Issuance of class A common stock under employee stock purchase plans
Issuance of class A common stock under public offerings
From March 31, 2021 to June 30, 2021
Net loss
Other comprehensive income
Issuance of class A common stock under stock option plans
Share-based compensation expense
From January 1, 2020 To March 31, 2021
Issuance of class A common stock under stock option plans
Purchases of treasury stock
From December 31, 2019 to December 31, 2020
Conversion of class B to class A common stock
Issuance of class A common stock under stock option plans
Purchases of treasury stock
From June 30,2020 to September 30,2020
Conversion of class B to class A common stock
Issuance of class A common stock under stock option plans
Purchases of treasury stock
From March 31, 2020 to June 30, 2020
Issuance of class A common stock under stock option plans
Purchases of treasury stock
From December 31, 2019 to March 31, 2020
Issuance of class A common stock under stock option plans
Purchases of treasury stock
from December 31, 2018 to December 31, 2019
Issuance of class A common stock under stock option plans
Purchases of treasury stock
from June 30, 2019 to September 30, 2019
Issuance of class A common stock under stock option plans
from March 31, 2019 to June 30, 2019
Issuance of class A common stock under stock option plans
from December 31, 2018 to March 31, 2019
Issuance of class A common stock under stock option plans
Purchases of treasury stock
from December 31, 2017 to December 31, 2018
Issuance of class A common stock under stock option plans
Purchases of treasury stock
from December 31, 2016 to December 31, 2017
Issuance of class A common stock under stock option plans
from December 31, 2015 to December 31, 2016
Issuance of class A common stock under stock option plans
From December 31, 2014 to December 31, 2015
Conversion of class B to class A common stock
Issuance of class A common stock under stock option plans
from December 31, 2011 to December 31, 2012
Conversion of class B to class A common stock
Issuance of class A common stock under stock option plans
from December 31, 2000 to December 31, 2001
Conversion of class B to class A common stock
Issuance of class A common stock under stock option and purchase plans
Issuance of class A common stock in connection with agreement with software integrator
Payment of preferred stock dividends in shares of class A common stock
Issuance of class A common stock in exchang for redeemable convertible preferred stock of discontinued operations
Cancellation of treasury stock
Issuance of class A common stock in connection with refinancing of series A preferred stock
Conversion of series D preferred stock to class A common stock
from December 31, 1999 to December 31, 2000
Conversion of Class B to Class A common stock
Issuance of Class A common stock under stock option and purchase plans
Issuance of Class A common stock in connection with agreement with software integrator
Payment of preferred stock dividends