Amphastar Pharmaceuticals, Inc. Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Amphastar Pharmaceuticals, Inc. (AMPH) reported Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period of 428.79 thousand shares for the 6-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Notes › Compensation Related Costs › Share-Based Payment Arrangement, Disclosure
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod · last filed 2026-08-06
- Amphastar Pharmaceuticals, Inc. share-based compensation arrangement by share-based payment award, options, expirations in period for the quarter ending 2026-06-30 was 32.14K shares.
- Amphastar Pharmaceuticals, Inc. share-based compensation arrangement by share-based payment award, options, expirations in period for the quarter ending 2026-03-31 was 396.65K shares, a 600886.36% increase year-over-year.
- Amphastar Pharmaceuticals, Inc. share-based compensation arrangement by share-based payment award, options, expirations in period for the quarter ending 2025-12-31 was 0.00 shares.
- Amphastar Pharmaceuticals, Inc. share-based compensation arrangement by share-based payment award, options, expirations in period for the quarter ending 2025-09-30 was 7.36K shares.
- Amphastar Pharmaceuticals, Inc. share-based compensation arrangement by share-based payment award, options, expirations in period for fiscal 2025 was 7.42K shares.
- Amphastar Pharmaceuticals, Inc. share-based compensation arrangement by share-based payment award, options, expirations in period for fiscal 2023 was 543.00 shares, a 90.33% decline from fiscal 2022.
- Amphastar Pharmaceuticals, Inc. share-based compensation arrangement by share-based payment award, options, expirations in period for fiscal 2022 was 5.61K shares, a 92.03% decline from fiscal 2021.
- Amphastar Pharmaceuticals, Inc. share-based compensation arrangement by share-based payment award, options, expirations in period for fiscal 2021 was 70.45K shares, a 93.67% decline from fiscal 2020.
| Period end | Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period 3 month | Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period 6 month | Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period 9 month | Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period 12 month |
|---|---|---|---|---|
| 2026-06-30 | 32.14K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2026-08-06 | 428.79K shares 10-Q · filed 2026-08-06 | 428.79K shares derived: sum of 3 quarters · filed 2026-08-06 | 436.15K shares derived: sum of 4 quarters · filed 2026-08-06 |
| 2026-03-31 | 396.65K shares 10-Q · filed 2026-05-07 | 396.65K shares derived: sum of 2 quarters · filed 2026-05-07 | 404.01K shares derived: sum of 3 quarters · filed 2026-05-07 | 404.01K shares derived: sum of 4 quarters · filed 2026-05-07 |
| 2025-12-31 | 0.00 shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 7.36K shares derived: sum of 2 quarters · filed 2026-02-26 | 7.36K shares derived: sum of 3 quarters · filed 2026-02-26 | 7.42K shares 10-K · filed 2026-02-26 |
| 2025-09-30 | 7.36K shares derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-06 | 7.36K shares derived: sum of 2 quarters · filed 2025-11-06 | 7.42K shares 10-Q · filed 2025-11-06 | |
| 2025-06-30 | 0.00 shares derived: 10-Q 6 month − 10-Q 3 month · filed 2025-08-07 | 66.00 shares 10-Q · filed 2025-08-07 | ||
| 2025-03-31 | 66.00 shares 10-Q · filed 2025-05-08 | |||
| 2023-12-31 | 0.00 shares derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-29 | 43.00 shares derived: sum of 2 quarters · filed 2024-02-29 | 543.00 shares 10-K · filed 2024-02-29 | |
| 2023-09-30 | 43.00 shares derived: 10-Q 9 month − 10-Q 6 month · filed 2023-11-08 | 543.00 shares 10-Q · filed 2023-11-08 | ||
| 2023-06-30 | 500.00 shares 10-Q · filed 2023-08-09 | |||
| 2022-12-31 | 0.00 shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-03-01 | 0.00 shares derived: sum of 2 quarters · filed 2023-03-01 | 1.70K shares derived: sum of 3 quarters · filed 2023-03-01 | 5.61K shares 10-K · filed 2023-03-01 |
| 2022-09-30 | 0.00 shares derived: 10-Q 9 month − 10-Q 6 month · filed 2022-11-08 | 1.70K shares derived: sum of 2 quarters · filed 2022-11-08 | 5.61K shares 10-Q · filed 2022-11-08 | 19.24K shares derived: sum of 4 quarters · filed 2022-11-08 |
| 2022-06-30 | 1.70K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2022-08-09 | 5.61K shares 10-Q · filed 2022-08-09 | 19.24K shares derived: sum of 3 quarters · filed 2022-08-09 | 29.57K shares derived: sum of 4 quarters · filed 2022-08-09 |
| 2022-03-31 | 3.91K shares 10-Q · filed 2022-05-10 | 17.54K shares derived: sum of 2 quarters · filed 2022-05-10 | 27.87K shares derived: sum of 3 quarters · filed 2022-05-10 | 42.51K shares derived: sum of 4 quarters · filed 2022-05-10 |
| 2021-12-31 | 13.63K shares derived: 10-K 12 month − 10-Q 9 month · filed 2022-03-11 | 23.96K shares derived: sum of 2 quarters · filed 2022-03-11 | 38.60K shares derived: sum of 3 quarters · filed 2022-03-11 | 70.45K shares 10-K · filed 2022-03-11 |
| 2021-09-30 | 10.33K shares derived: 10-Q 9 month − 10-Q 6 month · filed 2021-11-09 | 24.97K shares derived: sum of 2 quarters · filed 2021-11-09 | 56.83K shares 10-Q · filed 2021-11-09 | 60.65K shares derived: sum of 4 quarters · filed 2021-11-09 |
| 2021-06-30 | 14.64K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2021-08-09 | 46.49K shares 10-Q · filed 2021-08-09 | 50.31K shares derived: sum of 3 quarters · filed 2021-08-09 | 51.09K shares derived: sum of 4 quarters · filed 2021-08-09 |
| 2021-03-31 | 31.85K shares 10-Q · filed 2021-05-07 | 35.68K shares derived: sum of 2 quarters · filed 2021-05-07 | 36.45K shares derived: sum of 3 quarters · filed 2021-05-07 | 47.40K shares derived: sum of 4 quarters · filed 2021-05-07 |
| 2020-12-31 | 3.82K shares derived: 10-K 12 month − 10-Q 9 month · filed 2021-03-15 | 4.60K shares derived: sum of 2 quarters · filed 2021-03-15 | 15.55K shares derived: sum of 3 quarters · filed 2021-03-15 | 1.11M shares 10-K · filed 2021-03-15 |
| 2020-09-30 | 774.00 shares derived: 10-Q 9 month − 10-Q 6 month · filed 2020-11-06 | 11.72K shares derived: sum of 2 quarters · filed 2020-11-06 | 1.11M shares 10-Q · filed 2020-11-06 | 1.11M shares derived: sum of 4 quarters · filed 2020-11-06 |
| 2020-06-30 | 10.95K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2020-08-07 | 1.11M shares 10-Q · filed 2020-08-07 | 1.11M shares derived: sum of 3 quarters · filed 2020-08-07 | 1.20M shares derived: sum of 4 quarters · filed 2020-08-07 |
| 2020-03-31 | 1.10M shares 10-Q · filed 2020-05-11 | 1.10M shares derived: sum of 2 quarters · filed 2020-05-11 | 1.19M shares derived: sum of 3 quarters · filed 2020-05-11 | 1.19M shares derived: sum of 4 quarters · filed 2020-05-11 |
| 2019-12-31 | 0.00 shares derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-16 | 90.56K shares derived: sum of 2 quarters · filed 2020-03-16 | 92.38K shares derived: sum of 3 quarters · filed 2020-03-16 | 92.88K shares 10-K · filed 2020-03-16 |
| 2019-09-30 | 90.56K shares derived: 10-Q 9 month − 10-Q 6 month · filed 2019-11-08 | 92.38K shares derived: sum of 2 quarters · filed 2019-11-08 | 92.88K shares 10-Q · filed 2019-11-08 | 96.38K shares derived: sum of 4 quarters · filed 2019-11-08 |
| 2019-06-30 | 1.82K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2019-08-09 | 2.33K shares 10-Q · filed 2019-08-09 | 5.83K shares derived: sum of 3 quarters · filed 2019-08-09 | 379.08K shares derived: sum of 4 quarters · filed 2019-08-09 |
| 2019-03-31 | 500.00 shares 10-Q · filed 2019-05-10 | 4.00K shares derived: sum of 2 quarters · filed 2019-05-10 | 377.25K shares derived: sum of 3 quarters · filed 2019-05-10 | 388.50K shares derived: sum of 4 quarters · filed 2019-05-10 |
| 2018-12-31 | 3.50K shares derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-15 | 376.75K shares derived: sum of 2 quarters · filed 2019-03-15 | 388.00K shares derived: sum of 3 quarters · filed 2019-03-15 | 388.38K shares 10-K · filed 2019-03-15 |
| 2018-09-30 | 373.25K shares derived: 10-Q 9 month − 10-Q 6 month · filed 2018-11-09 | 384.50K shares derived: sum of 2 quarters · filed 2018-11-09 | 384.88K shares 10-Q · filed 2018-11-09 | 708.58K shares derived: sum of 4 quarters · filed 2018-11-09 |
| 2018-06-30 | 11.25K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2018-08-09 | 11.63K shares 10-Q · filed 2018-08-09 | 335.32K shares derived: sum of 3 quarters · filed 2018-08-09 | 344.03K shares derived: sum of 4 quarters · filed 2018-08-09 |
| 2018-03-31 | 375.00 shares 10-Q · filed 2018-05-10 | 324.07K shares derived: sum of 2 quarters · filed 2018-05-10 | 332.78K shares derived: sum of 3 quarters · filed 2018-05-10 | 436.20K shares derived: sum of 4 quarters · filed 2018-05-10 |
| 2017-12-31 | 323.70K shares derived: 10-K 12 month − 10-Q 9 month · filed 2018-03-14 | 332.40K shares derived: sum of 2 quarters · filed 2018-03-14 | 435.83K shares derived: sum of 3 quarters · filed 2018-03-14 | 442.08K shares 10-K · filed 2018-03-14 |
| 2017-09-30 | 8.70K shares derived: 10-Q 9 month − 10-Q 6 month · filed 2017-11-09 | 112.13K shares derived: sum of 2 quarters · filed 2017-11-09 | 118.38K shares 10-Q · filed 2017-11-09 | 334.33K shares derived: sum of 4 quarters · filed 2017-11-09 |
| 2017-06-30 | 103.42K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2017-08-09 | 109.67K shares 10-Q · filed 2017-08-09 | 325.63K shares derived: sum of 3 quarters · filed 2017-08-09 | 338.03K shares derived: sum of 4 quarters · filed 2017-08-09 |
| 2017-03-31 | 6.25K shares 10-Q · filed 2017-05-10 | 222.20K shares derived: sum of 2 quarters · filed 2017-05-10 | 234.60K shares derived: sum of 3 quarters · filed 2017-05-10 | 362.05K shares derived: sum of 4 quarters · filed 2017-05-10 |
| 2016-12-31 | 215.95K shares derived: 10-K 12 month − 10-Q 9 month · filed 2017-03-15 | 228.35K shares derived: sum of 2 quarters · filed 2017-03-15 | 355.80K shares derived: sum of 3 quarters · filed 2017-03-15 | 461.49K shares 10-K · filed 2017-03-15 |
| 2016-09-30 | 12.40K shares derived: 10-Q 9 month − 10-Q 6 month · filed 2016-11-09 | 139.84K shares derived: sum of 2 quarters · filed 2016-11-09 | 245.54K shares 10-Q · filed 2016-11-09 | 253.53K shares derived: sum of 4 quarters · filed 2016-11-09 |
| 2016-06-30 | 127.44K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2016-08-09 | 233.14K shares 10-Q · filed 2016-08-09 | 241.12K shares derived: sum of 3 quarters · filed 2016-08-09 | 245.75K shares derived: sum of 4 quarters · filed 2016-08-09 |
| 2016-03-31 | 105.69K shares 10-Q · filed 2016-05-10 | 113.68K shares derived: sum of 2 quarters · filed 2016-05-10 | 118.31K shares derived: sum of 3 quarters · filed 2016-05-10 | 155.71K shares derived: sum of 4 quarters · filed 2016-05-10 |
| 2015-12-31 | 7.99K shares derived: 10-K 12 month − 10-Q 9 month · filed 2016-03-15 | 12.61K shares derived: sum of 2 quarters · filed 2016-03-15 | 50.01K shares derived: sum of 3 quarters · filed 2016-03-15 | 77.32K shares 10-K · filed 2016-03-15 |
| 2015-09-30 | 4.63K shares derived: 10-Q 9 month − 10-Q 6 month · filed 2015-11-13 | 42.02K shares derived: sum of 2 quarters · filed 2015-11-13 | 69.33K shares 10-Q · filed 2015-11-13 | 133.67K shares derived: sum of 4 quarters · filed 2016-03-15 |
| 2015-06-30 | 37.40K shares derived: 10-Q 6 month − 10-Q 3 month · filed 2015-08-13 | 64.70K shares 10-Q · filed 2015-08-13 | 129.04K shares derived: sum of 3 quarters · filed 2016-03-15 | 874.25K shares derived: sum of 4 quarters · filed 2016-03-15 |
| 2015-03-31 | 27.30K shares 10-Q · filed 2015-05-14 | 91.64K shares derived: sum of 2 quarters · filed 2016-03-15 | 836.85K shares derived: sum of 3 quarters · filed 2016-03-15 | |
| 2014-12-31 | 64.34K shares derived: 10-K 12 month − 10-Q 9 month · filed 2016-03-15 | 809.54K shares derived: sum of 2 quarters · filed 2016-03-15 | 861.33K shares 10-K · filed 2016-03-15 | |
| 2014-09-30 | 745.20K shares derived: 10-Q 9 month − 10-Q 6 month · filed 2014-11-13 | 796.99K shares 10-Q · filed 2014-11-13 | ||
| 2014-06-30 | 51.79K shares 10-Q · filed 2014-08-13 | |||
| 2013-12-31 | 698.17K shares 10-K · filed 2015-03-26 |
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