Insider · CIK 0001611219
Richard Koo
Files at: AMPH. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 11, 2018 SForm 4 → | Dec 12, 8:39 pm EST | Amphastar Pharmaceuticals, Inc.AMPH | 29,278 | $21.32 | $624,075 | 241,928 | −10.8% | plan? |
| Dec 11, 2018 MForm 4 → | Dec 12, 8:39 pm EST | Amphastar Pharmaceuticals, Inc.AMPH | 29,278 | $14.66 | $429,215 | 271,206 | — | plan? |
| Jun 7, 2018 AForm 4 → | Jun 11, 8:05 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 6,590 | — | — | 241,928 | — | plan? |
| Jun 8, 2017 AForm 4 → | Jun 12, 7:49 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 5,844 | — | — | 235,338 | — | plan? |
| Jun 9, 2016 AForm 4 → | Jun 13, 8:21 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 6,086 | — | — | 229,494 | — | plan? |
| May 27, 2015 AForm 4 → | May 29, 8:17 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 8,686 | — | — | 223,408 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 11, 2018 MForm 4 → | Dec 12, 8:39 pm EST | Amphastar Pharmaceuticals, Inc.AMPH | 29,278 | — | — | 0 | — | |
| Jun 7, 2018 AForm 4 → | Jun 11, 8:05 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 16,679 | — | — | 16,679 | — | |
| Jun 8, 2017 AForm 4 → | Jun 12, 7:49 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 20,291 | — | — | 20,291 | — | |
| Jun 9, 2016 AForm 4 → | Jun 13, 8:21 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 25,827 | — | — | 25,827 | — | |
| May 27, 2015 AForm 4 → | May 29, 8:17 pm EDT | Amphastar Pharmaceuticals, Inc.AMPH | 47,782 | — | — | 47,782 | — |