Gerst Diane G.
Insider CIK 1611283 · AMPH EVP, QA & Regulatory Affairs, Director
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2026-06-01 | 2026-06-03 | 17,365 | — | $0 | 17,365 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2026-06-01 | 2026-06-03 | 8,143 | — | $0 | 31,899 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2025-06-02 | 2025-06-04 | 11,402 | — | $0 | 11,402 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2025-06-02 | 2025-06-04 | 5,122 | — | $0 | 23,756 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2024-06-03 | 2024-06-05 | 6,864 | — | $0 | 6,864 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2024-06-03 | 2024-06-05 | 3,076 | — | $0 | 18,634 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2023-06-05 | 2023-06-07 | 7,016 | — | $0 | 7,016 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2023-06-05 | 2023-06-07 | 2,716 | — | $0 | 15,558 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2022-07-18 | 2022-07-19 | 1,520 | — | $0 | 1,336 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2022-07-18 | 2022-07-19 | 1,520 | $20.08 | $30.5K | 14,362 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2022-07-18 | 2022-07-19 | 1,520 | $37.23 | $56.6K | 12,842 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2022-07-11 | 2022-07-12 | 1,521 | — | $0 | 2,856 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2022-07-11 | 2022-07-12 | 1,521 | $20.08 | $30.5K | 14,363 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2022-07-11 | 2022-07-12 | 1,521 | $36.26 | $55.2K | 12,842 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2022-07-05 | 2022-07-06 | 1,813 | — | $0 | 4,377 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2022-07-05 | 2022-07-06 | 1,813 | $20.08 | $36.4K | 14,655 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2022-07-05 | 2022-07-06 | 1,813 | $35.00 | $63.5K | 12,842 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2022-06-30 | 2022-07-05 | 3,333 | — | $0 | 3,626 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2022-06-30 | 2022-07-05 | 1,813 | — | $0 | 6,190 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2022-06-30 | 2022-07-05 | 3,333 | $20.03 | $66.8K | 16,175 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2022-06-30 | 2022-07-05 | 1,813 | $20.08 | $36.4K | 17,988 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2022-06-30 | 2022-07-05 | 5,146 | $35.00 | $180.1K | 12,842 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2022-06-10 | 2022-06-14 | 10,984 | — | $0 | 10,984 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2022-06-10 | 2022-06-14 | 4,163 | — | $0 | 12,842 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2021-06-07 | 2021-06-08 | 8,592 | — | $0 | 8,592 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2021-06-07 | 2021-06-08 | 3,009 | — | $0 | 8,679 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2020-06-08 | 2020-06-09 | 8,003 | — | $0 | 8,003 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2020-06-08 | 2020-06-09 | 2,925 | — | $0 | 5,670 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2019-06-12 | 2019-06-13 | 6,959 | — | $0 | 6,959 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2019-06-12 | 2019-06-13 | 2,745 | — | $0 | 2,745 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-12-19 | 2017-12-19 | 523 | $19.48 | $10.2K | 30,164 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-12-12 | 2017-12-14 | 523 | $18.96 | $9.9K | 30,687 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-11-28 | 2017-11-30 | 523 | $18.15 | $9.5K | 31,210 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-11-21 | 2017-11-21 | 523 | $18.81 | $9.8K | 31,733 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-11-15 | 2017-11-17 | 523 | $17.77 | $9.3K | 32,256 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-11-07 | 2017-11-09 | 523 | $17.93 | $9.4K | 32,779 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-10-24 | 2017-10-26 | 523 | $18.29 | $9.6K | 33,302 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-10-17 | 2017-10-19 | 523 | $18.48 | $9.7K | 33,825 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2017-10-05 | 2017-10-06 | 8,444 | — | $0 | 25,330 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2017-10-05 | 2017-10-06 | 8,444 | $11.33 | $95.7K | 42,792 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2017-10-05 | 2017-10-06 | 8,444 | $18.87 | $159.3K | 34,348 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | F Tax w/h | 2017-06-15 | 2017-06-16 | 146 | $16.18 | $2.4K | 34,348 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | F Tax w/h | 2017-04-14 | 2017-04-17 | 754 | $14.80 | $11.2K | 34,494 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | F Tax w/h | 2017-03-26 | 2017-03-28 | 614 | $13.76 | $8.4K | 35,248 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | F Tax w/h | 2017-03-17 | 2017-03-20 | 1,194 | $13.75 | $16.4K | 35,862 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2017-03-16 | 2017-03-20 | 27,088 | — | $0 | 27,088 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2017-03-16 | 2017-03-20 | 10,861 | — | $0 | 37,056 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2016-12-15 | 2016-12-16 | 2,940 | $20.51 | $60.3K | 26,195 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2016-08-19 | 2016-08-19 | 10,046 | — | $0 | 4,954 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2016-08-19 | 2016-08-19 | 14,000 | — | $0 | 14,000 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2016-08-19 | 2016-08-19 | 24,046 | $19.28 | $463.6K | 28,985 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2016-08-19 | 2016-08-19 | 14,000 | $10.93 | $153.0K | 53,031 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2016-08-19 | 2016-08-19 | 10,046 | $14.23 | $143.0K | 39,031 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | F Tax w/h | 2016-06-15 | 2016-06-17 | 146 | $15.76 | $2.3K | 28,985 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2016-05-18 | 2016-05-19 | 1,427 | $13.97 | $19.9K | 28,649 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2016-04-19 | 2016-04-20 | 5,607 | — | $0 | 6,183 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2016-04-19 | 2016-04-20 | 5,607 | $10.48 | $58.8K | 35,683 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2016-04-19 | 2016-04-20 | 5,607 | $13.04 | $73.1K | 30,076 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2016-04-18 | 2016-04-20 | 6,000 | — | $0 | 9,000 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise deriv | 2016-04-18 | 2016-04-20 | 8,210 | — | $0 | 11,790 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2016-04-18 | 2016-04-20 | 8,210 | $10.48 | $86.0K | 39,713 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2016-04-18 | 2016-04-20 | 6,000 | $11.41 | $68.5K | 45,713 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2016-04-18 | 2016-04-20 | 15,637 | $12.83 | $200.6K | 30,076 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | F Tax w/h | 2016-04-14 | 2016-04-18 | 741 | $12.66 | $9.4K | 31,503 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | F Tax w/h | 2016-03-26 | 2016-03-29 | 614 | $11.96 | $7.3K | 32,244 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2016-03-17 | 2016-03-21 | 33,774 | — | $0 | 33,774 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2016-03-17 | 2016-03-21 | 11,253 | — | $0 | 32,858 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2015-06-15 | 2015-06-17 | 4,685 | — | $0 | 4,685 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2015-06-15 | 2015-06-17 | 1,544 | — | $0 | 20,178 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | F Tax w/h | 2015-04-14 | 2015-06-17 | 862 | $15.22 | $13.1K | 18,634 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2015-04-09 | 2015-04-10 | 10,000 | — | $0 | 0 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | S Sale | 2015-04-08 | 2015-04-10 | 10,000 | $15.79 | $157.9K | 19,496 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | M Exercise | 2015-04-08 | 2015-04-10 | 10,000 | $14.80 | $148.0K | 29,496 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award deriv | 2015-03-26 | 2015-03-30 | 20,028 | — | $0 | 20,028 | SEC↗ |
| AMPH Amphastar Pharmaceuticals, | A Award | 2015-03-26 | 2015-03-30 | 6,688 | — | $0 | 19,496 | SEC↗ |