安霸
AMBA

股本结构

单位：万股
公告日期 2025-12-04 2025-12-04 2025-09-03 2025-09-03 2025-06-03 2025-06-03
证券总股本 4305.05 4304.80 4268.90 4267.47 4241.41 4241.36
普通股本 4305.05 4304.80 4268.90 4267.47 4241.41 4241.36
优先股 未披露 未披露 未披露 未披露 未披露 未披露
其他 未披露 未披露 未披露 未披露 未披露 未披露
变动日期 2025-11-30 2025-10-31 2025-08-31 2025-07-31 2025-05-31 2025-04-30
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
2025-12-04 4305.05 未披露 定期报告 2025-11-30
2025-12-04 4304.80 未披露
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From July 31, 2025 to October 31, 2025 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2025-10-31
2025-09-03 4268.90 未披露 定期报告 2025-08-31
2025-09-03 4267.47 未披露
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From April 30, 2025 to July 31, 2025 Issuance of shares through employee equity plans
2025-07-31
2025-06-03 4241.41 未披露 定期报告 2025-05-31
2025-06-03 4241.36 未披露
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From January 31, 2025 to April 30, 2025 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan Stock repurchase
2025-04-30
2025-04-25 4241.33 未披露 定期报告 2025-04-15
2025-03-28 4243.74 未披露 定期报告 2025-03-20
2025-04-25 4197.56 未披露 定期报告 2025-03-01
2025-03-28 4196.40 未披露
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From January 31, 2024 to January 31, 2025 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2025-01-31
2024-12-06 4170.20 未披露 定期报告 2024-11-30
2024-12-06 4167.07 未披露
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From July 31, 2024 to October 31, 2024 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2024-10-31
2024-09-04 4127.45 未披露 定期报告 2024-08-30
2024-09-04 4127.27 未披露
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From April 30, 2024 to July 31, 2024 Issuance of shares through employee equity plans
2024-07-31
2024-06-06 4098.52 未披露 定期报告 2024-05-31
2024-06-06 4098.50 未披露
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From January 31, 2024 to April 30, 2024 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2024-04-30
2024-05-03 4098.49 未披露 定期报告 2024-04-18
2024-03-29 4096.22 未披露 定期报告 2024-03-22
2024-03-29 4052.06 未披露
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From January 31, 2023 to January 31, 2024 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2024-01-31
2023-12-08 4024.81 未披露 定期报告 2023-11-30
2023-12-08 4022.93 未披露
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From July 31, 2023 to October 31, 2023 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2023-10-31
2023-09-08 3987.82 未披露 定期报告 2023-08-31
2023-09-08 3987.08 未披露
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From April 30, 2023 to July 31, 2023 Issuance of shares through employee equity plans
2023-07-31
2023-06-06 3960.24 未披露 定期报告 2023-05-31
2023-06-06 3959.12 未披露
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From January 31, 2023 to April 30, 2023 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2023-04-30
2023-05-11 3958.95 未披露 定期报告 2023-04-14
2023-03-31 3958.16 未披露 定期报告 2023-03-24
2023-05-11 3905.82 未披露 定期报告 2023-03-01
2023-03-31 3904.30 未披露
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From January 31, 2022 to January 31, 2023 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2023-01-31
2022-12-09 3875.69 未披露 定期报告 2022-11-30
2022-12-09 3874.62 未披露
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From July 31, 2022 to October 31, 2022 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2022-10-31
2022-09-08 3841.68 未披露 定期报告 2022-08-31
2022-09-08 3840.65 未披露
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From April 30, 2022 to July 31, 2022 Issuance of shares through employee equity plans
2022-07-31
2022-06-08 3812.01 未披露 定期报告 2022-06-01
2022-06-08 3808.29 未披露
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From January 31, 2022 to April 30, 2022 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
2022-04-30
2022-04-27 3808.09 未披露 定期报告 2022-04-14
2022-04-27 3730.92 未披露 定期报告 2022-03-31
2022-04-01 3806.53 未披露 定期报告 2022-03-24
2022-04-01 3730.28 未披露
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From January 31, 2021 to January 31, 2022 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan
2022-01-31
2021-12-10 3700.31 未披露 定期报告 2021-12-02
2021-12-10 3692.51 未披露
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From July 31, 2021 to October 31, 2021 Issuance of shares through employee stock purchase plan Issuance of shares through employee equity incentive plan
2021-10-31
2021-09-08 3666.34 未披露 定期报告 2021-09-01
2021-09-08 3664.46 未披露
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From April 30, 2021 to July 31, 2021 Issuance of shares through employee equity incentive plan
2021-07-31
2021-06-08 3627.86 未披露 定期报告 2021-06-01
2021-06-08 3627.33 未披露
更多>>
From January 31, 2021 To April 30, 2021 Issuance of shares through employee equity incentive plan Issuance of shares through employee stock purchase plan
2021-04-30
2021-04-30 3626.31 未披露 定期报告 2021-04-16
2021-03-31 3624.87 未披露 定期报告 2021-03-22
2021-04-30 3557.72 未披露 定期报告 2021-03-01
2021-03-31 3554.74 未披露
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from January 31, 2020 to January 31, 2021 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan Stock repurchase
2021-01-31
2020-12-09 3517.20 未披露 定期报告 2020-12-02
2020-12-09 3507.21 未披露
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From July 31, 2020 to October 31, 2020 Issuance of shares through employee equity incentive plan Issuance of shares through employee stock purchase plan
2020-10-31
2020-09-09 3461.43 未披露 定期报告 2020-09-01
2020-09-09 3461.08 未披露
更多>>
From April 30, 2020 to July 31, 2020 Issuance of shares through employee equity incentive plan
2020-07-31
2020-06-08 3434.69 未披露 定期报告 2020-06-01
2020-06-08 3434.21 未披露
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From January 31, 2020 to April 30, 2020 Issuance of shares through employee equity incentive plan Issuance of shares through employee stock purchase plan Stock repurchase
2020-04-30
2020-04-23 3433.94 未披露 定期报告 2020-04-13
2020-03-27 3420.85 未披露 定期报告 2020-03-23
2020-04-23 3384.32 未披露 定期报告 2020-03-01
2020-03-27 3380.56 未披露
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from January 31, 2019 to January 31, 2020 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan
2020-01-31
2019-12-06 3354.48 未披露 定期报告 2019-12-02
2019-12-06 3354.03 未披露
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from July 31, 2019 to October 31, 2019 Issuance of shares through employee equity incentive plan Issuance of shares through employee stock purchase plan
2019-10-31
2019-09-06 3306.01 未披露 定期报告 2019-09-03
2019-09-06 3303.36 未披露
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from April 30, 2019 to July 31, 2019 Issuance of shares through employee equity incentive plan
2019-07-31
2019-06-07 3273.96 未披露 定期报告 2019-06-03
2019-06-07 3273.86 未披露
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from January 31, 2019 to April 30, 2019 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan
2019-04-30
2019-04-26 3273.40 未披露 定期报告 2019-04-12
2019-03-29 3272.48 未披露 定期报告 2019-03-25
2019-04-26 3231.47 未披露 定期报告 2019-03-01
2019-03-29 3230.35 未披露
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from January 31, 2018 to January 31, 2019 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan Stock repurchase
2019-01-31
2018-12-07 3205.10 未披露 定期报告 2018-12-03
2018-12-07 3214.95 未披露 定期报告 2018-10-31
2018-09-07 3205.66 未披露 定期报告 2018-08-31
2018-09-07 3265.02 未披露 定期报告 2018-07-31
2018-06-08 3341.05 未披露 定期报告 2018-06-01
2018-06-08 3339.63 未披露 定期报告 2018-04-30
2018-04-27 3347.55 未披露 定期报告 2018-04-12
2018-03-30 3363.53 未披露 定期报告 2018-03-23
2018-04-27 3332.69 未披露 定期报告 2018-03-01
2018-03-30 3348.96 未披露
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from January 31, 2017 to January 31, 2018 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan Stock repurchase
2018-01-31
2017-12-08 3330.65 未披露 定期报告 2017-12-01
2017-12-08 3329.61 未披露 定期报告 2017-10-31
2017-09-08 3321.42 未披露 定期报告 2017-09-01
2017-09-08 3322.04 未披露 定期报告 2017-07-31
2017-06-08 3354.96 未披露 定期报告 2017-06-02
2017-06-08 3353.43 未披露 定期报告 2017-04-30
2017-06-12 3353.14 未披露 定期报告 2017-04-13
2017-03-30 3352.45 未披露 定期报告 2017-03-24
2017-04-27 3338.43 未披露 定期报告 2017-03-01
2017-03-30 3336.90 未披露
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From January 31, 2016 to January 31, 2017 Exercise of stock options Restricted stock awards granted Vesting of restricted stock units Employee stock purchase plan Stock repurchase
2017-01-31
2016-12-09 3311.21 未披露 定期报告 2016-12-05
2016-12-09 3310.55 未披露 定期报告 2016-10-31
2016-09-08 3269.98 未披露 定期报告 2016-09-01
2016-09-08 3267.71 未披露 定期报告 2016-07-31
2016-06-08 3285.48 未披露 定期报告 2016-06-03
2016-06-08 3283.98 未披露 定期报告 2016-04-30
2016-04-27 3283.98 未披露 定期报告 2016-04-15
2016-03-25 3233.34 未披露
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from January 31, 2015 to January 31, 2016 Exercise of stock options Vesting of restricted stock and restricted stock units Employee stock purchase plan
2016-01-31
2015-12-09 3204.94 未披露 定期报告 2015-10-31
2015-09-08 3166.19 未披露 定期报告 2015-07-31
2015-06-08 3134.12 未披露 定期报告 2015-04-30
2015-04-20 3132.84 未披露 定期报告 2015-04-08
2015-03-30 3083.75 未披露
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from January 31, 2014 to January 31, 2015 Exercise of stock options, dollar amounts net of unvested stock options exercised early Vesting of restricted stock units Employee stock purchase plan
2015-01-31
2014-12-09 3031.88 未披露 定期报告 2014-10-31
2014-09-08 2969.58 未披露 定期报告 2014-07-31
2014-06-06 2922.41 未披露 定期报告 2014-04-30
2014-04-04 2874.85 未披露
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from January 31, 2013 to January 31, 2014 Exercise of stock options, dollar amounts net of unvested stock options exercised early Vesting of restricted stock units Employee stock purchase plan Exercise of warrants to purchase ordinary shares
2014-01-31
2013-12-12 2821.26 未披露 定期报告 2013-10-31
2013-09-13 2755.79 未披露 定期报告 2013-07-31
2013-06-12 2725.84 未披露 定期报告 2013-04-30
2013-05-03 2724.30 未披露 定期报告 2013-04-24
2013-04-04 2703.51 未披露
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from January 31, 2012 to January 31, 2013 Conversion of redeemable convertible preference shares to ordinary shares Issuance of shares in connection with initial public offering, net of issuance cost Exercise of stock options, dollar amounts net of unvested stock options exercised early
2013-01-31
2012-12-17 2609.30 未披露 定期报告 2012-10-31
2012-10-10 2590.95 未披露
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a 1-for-4.5 reverse stock split of our ordinary shares and redeemable convertible preference shares effected on August 24, 2012; the conversion of all of our outstanding redeemable convertible preference shares into an aggregate of 13,315,727 ordinary shares upon the completion of this offering.
2012-10-10
2012-09-13 768.91 1331.57
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from January 31, 2012 to July 31, 2012 Exercise of stock options, dollar amounts net of unvested stock options exercised early (unaudited)
2012-07-31
2012-08-22 3451.39 5992.08
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from January 31, 2012 to April 30, 2012 Exercise of stock options, dollar amounts net of unvested stock options exercised early
2012-04-30
From July 31, 2025 to October 31, 2025 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From April 30, 2025 to July 31, 2025 Issuance of shares through employee equity plans
From January 31, 2025 to April 30, 2025 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan Stock repurchase
From January 31, 2024 to January 31, 2025 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From July 31, 2024 to October 31, 2024 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From April 30, 2024 to July 31, 2024 Issuance of shares through employee equity plans
From January 31, 2024 to April 30, 2024 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From January 31, 2023 to January 31, 2024 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From July 31, 2023 to October 31, 2023 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From April 30, 2023 to July 31, 2023 Issuance of shares through employee equity plans
From January 31, 2023 to April 30, 2023 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From January 31, 2022 to January 31, 2023 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From July 31, 2022 to October 31, 2022 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From April 30, 2022 to July 31, 2022 Issuance of shares through employee equity plans
From January 31, 2022 to April 30, 2022 Issuance of shares through employee equity plans Issuance of shares through employee stock purchase plan
From January 31, 2021 to January 31, 2022 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan
From July 31, 2021 to October 31, 2021 Issuance of shares through employee stock purchase plan Issuance of shares through employee equity incentive plan
From April 30, 2021 to July 31, 2021 Issuance of shares through employee equity incentive plan
From January 31, 2021 To April 30, 2021 Issuance of shares through employee equity incentive plan Issuance of shares through employee stock purchase plan
from January 31, 2020 to January 31, 2021 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan Stock repurchase
From July 31, 2020 to October 31, 2020 Issuance of shares through employee equity incentive plan Issuance of shares through employee stock purchase plan
From April 30, 2020 to July 31, 2020 Issuance of shares through employee equity incentive plan
From January 31, 2020 to April 30, 2020 Issuance of shares through employee equity incentive plan Issuance of shares through employee stock purchase plan Stock repurchase
from January 31, 2019 to January 31, 2020 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan
from July 31, 2019 to October 31, 2019 Issuance of shares through employee equity incentive plan Issuance of shares through employee stock purchase plan
from April 30, 2019 to July 31, 2019 Issuance of shares through employee equity incentive plan
from January 31, 2019 to April 30, 2019 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan
from January 31, 2018 to January 31, 2019 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan Stock repurchase
from January 31, 2017 to January 31, 2018 Exercise of stock options Vesting of restricted stock units Employee stock purchase plan Stock repurchase
From January 31, 2016 to January 31, 2017 Exercise of stock options Restricted stock awards granted Vesting of restricted stock units Employee stock purchase plan Stock repurchase
from January 31, 2015 to January 31, 2016 Exercise of stock options Vesting of restricted stock and restricted stock units Employee stock purchase plan
from January 31, 2014 to January 31, 2015 Exercise of stock options, dollar amounts net of unvested stock options exercised early Vesting of restricted stock units Employee stock purchase plan
from January 31, 2013 to January 31, 2014 Exercise of stock options, dollar amounts net of unvested stock options exercised early Vesting of restricted stock units Employee stock purchase plan Exercise of warrants to purchase ordinary shares
from January 31, 2012 to January 31, 2013 Conversion of redeemable convertible preference shares to ordinary shares Issuance of shares in connection with initial public offering, net of issuance cost Exercise of stock options, dollar amounts net of unvested stock options exercised early
a 1-for-4.5 reverse stock split of our ordinary shares and redeemable convertible preference shares effected on August 24, 2012; the conversion of all of our outstanding redeemable convertible preference shares into an aggregate of 13,315,727 ordinary shares upon the completion of this offering.
from January 31, 2012 to July 31, 2012 Exercise of stock options, dollar amounts net of unvested stock options exercised early (unaudited)
from January 31, 2012 to April 30, 2012 Exercise of stock options, dollar amounts net of unvested stock options exercised early
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