Liawatidewi Yakob
SEC CIK 1743927 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| AMPH | Amphastar Pharmaceuticals, Inc. | EVP Corp Admin Center, Dir | 121.9K | — | $4.01M | 38 | 2021-07-15 | 2026-03-15 |
Most active insiders at AMPH, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Petersen Floyd F. | Dir | — | $575.6K |
| 2 | Zhou Rong | SENIOR EVP, PRODUCTION CENTER | — | $571.1K |
| 3 | PETERS WILLIAM J | CFO, EVP, Treas, Dir | — | $287.4K |
| 4 | PRINS RICHARD K | Dir | — | $275.1K |
| 5 | Pierce Anthony T | Dir | — | — |
| 6 | Gaugh David Russell | Dir | — | — |
| 7 | Deflin Gayle | Dir | — | — |
| 8 | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | — | — |
| 9 | Gerst Diane G. | Dir | — | — |
| 10 | Zhang Jack Y. | CEO, CSO, Dir, 10% | — | — |
Transactions 38
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-17 | 2026-03-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $18.18 | -1,033 | 121.9K | -0.8% | -$18.8K | |
| D | 2026-03-11 | 2026-03-10 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $18.91 | -1,870 | 122.9K | -1% | -$35.4K |
| D | 2026-03-11 | 2026-03-09 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | A - Grant | $0.00 | +35.5K | 124.8K | +40% | $0 |
| 2026-03-10 | 2026-03-06 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $19.34 | -1,144 | 89.3K | -1% | -$22.1K | |
| 2026-03-06 | 2026-03-04 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $19.96 | -965 | 90.5K | -1% | -$19.3K | |
| M | 2025-03-18 | 2025-03-15+ | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $27.31 | -2,762 | 92.6K | -3% | -$75.4K |
| D | 2025-03-12 | 2025-03-10 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | A - Grant | $0.00 | +20.8K | 93.7K | +29% | $0 |
| 2025-03-10 | 2025-03-06 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $28.32 | -1,141 | 72.8K | -2% | -$32.3K | |
| 2025-03-06 | 2025-03-04 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $27.62 | -963 | 74.0K | -1% | -$26.6K | |
| D | 2024-11-08 | 2024-11-06 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | M - OptEx | $13.03 | +5,214 | 80.2K | +7% | +$67.9K |
| D | 2024-11-08 | 2024-11-06 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | S - Sale+OE | $52.05 | -5,214 | 74.9K | -7% | -$271.4K |
| 2024-06-05 | 2024-06-04 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $42.22 | -272 | 74.9K | -0.4% | -$11.5K | |
| M | 2024-03-19 | 2024-03-15+ | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $43.05 | -4,424 | 78.2K | -5% | -$190.5K |
| 2024-03-08 | 2024-03-06 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | F - Tax | $46.31 | -1,221 | 79.2K | -2% | -$56.5K | |
| D | 2024-03-06 | 2024-03-04 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP CORP ADMIN CENTER, Dir | A - Grant | $0.00 | +10.8K | 80.4K | +15% | $0 |
| DM | 2023-08-29 | 2023-08-28 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center, Dir | M - OptEx | $14.86 | +28.8K | 78.5K | +58% | +$428.1K |
| D | 2023-08-29 | 2023-08-28 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center, Dir | S - Sale+OE | $53.13 | -28.8K | 69.7K | -29% | -$1.53M |
| 2023-06-06 | 2023-06-04 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center, Dir | F - Tax | $46.70 | -378 | 69.7K | -0.5% | -$17.7K | |
| DM | 2023-04-14 | 2023-04-13 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center, Dir | S - Sale+OE | $41.56 | -11.5K | 75.7K | -13% | -$477.7K |
| D | 2023-04-14 | 2023-04-13 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center, Dir | M - OptEx | $20.23 | +11.5K | 80.7K | +17% | +$232.5K |
| D | 2023-04-12 | 2023-04-10 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center, Dir | S - Sale+OE | $40.00 | -5,000 | 69.2K | -7% | -$200.0K |
| D | 2023-04-12 | 2023-04-10 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center, Dir | M - OptEx | $20.23 | +5,000 | 74.2K | +7% | +$101.2K |
| M | 2023-03-20 | 2023-03-16+ | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | F - Tax | $36.93 | -3,293 | 70.9K | -4% | -$121.6K |
| 2023-03-17 | 2023-03-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | F - Tax | $36.84 | -1,851 | 72.5K | -2% | -$68.2K | |
| D | 2023-03-08 | 2023-03-06 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | A - Grant | $0.00 | +12.8K | 74.4K | +21% | $0 |
| DM | 2022-08-10 | 2022-08-08+ | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | S - Sale+OE | $38.38 | -8,055 | 61.6K | -12% | -$309.1K |
| DM | 2022-08-10 | 2022-08-08+ | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | M - OptEx | $19.79 | +8,055 | 64.7K | +14% | +$159.4K |
| D | 2022-07-18 | 2022-07-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | M - OptEx | $19.79 | +10.8K | 72.4K | +18% | +$214.5K |
| DM | 2022-07-18 | 2022-07-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | S - Sale+OE | $36.64 | -10.8K | 69.0K | -14% | -$397.1K |
| 2022-06-15 | 2022-06-14 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | F - Tax | $31.02 | -128 | 61.6K | -0.2% | -$3,971 | |
| 2022-06-06 | 2022-06-04 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | F - Tax | $37.77 | -264 | 61.7K | -0.4% | -$9,971 | |
| M | 2022-03-18 | 2022-03-16+ | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | F - Tax | $34.20 | -3,292 | 62.4K | -5% | -$112.6K |
| D | 2022-03-17 | 2022-03-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | A - Grant | $0.00 | +11.5K | 65.6K | +21% | $0 |
| D | 2022-03-17 | 2022-03-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | F - Tax | $34.74 | -1,559 | 64.0K | -2% | -$54.2K |
| D | 2021-08-03 | 2021-08-02 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | S - Sale+OE | $21.14 | -8,932 | 54.1K | -14% | -$188.8K |
| D | 2021-08-03 | 2021-08-02 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | M - OptEx | $14.95 | +8,932 | 63.0K | +17% | +$133.5K |
| D | 2021-07-16 | 2021-07-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | S - Sale+OE | $20.01 | -31.5K | 54.1K | -37% | -$630.8K |
| DM | 2021-07-16 | 2021-07-15 | AMPH | Amphastar Pharmaceuticals, Inc. | Liawatidewi Yakob | EVP Corp Admin Center | M - OptEx | $13.27 | +31.0K | 77.9K | +66% | +$411.7K |
Purchase Sale Sale after option exercise All abbreviations