Is Amphastar Pharmaceuticals, Inc. (AMPH) a Buy, Sell, or Hold?
NASDAQ : AMPH
Amphastar Pharmaceuticals, Inc.
$19.745 USD
-$0.12 (-0.58%)
- Volume
- 331.5K
- Average Volume
- 614.76K
- Market Capitalization
- $870.61M
- P/E Ratio
- 11.55
- Dividend Yield
- 0.00%
- Price Target
- $20.50
- Year High
- $31.26
- Year Low
- $16.65
- Day High
- —
- Day Low
- —
- Payout Ratio
- $0.00
- Current Ratio
- $3.85
Insider Activity Summary (Last 12 Months)
Insiders Buying
27
Insiders Selling
34
Amount of Insider Selling
$139.74K
AMPH Insider Buying/Selling by Quarter
AMPH Insider Trading History
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| Pierce Anthony T | director | 2026-07-09 | A-Award | 19.02 | 2026-07-13 |
| Pierce Anthony T | director | 2026-07-09 | A-Award | 0 | 2026-07-13 |
| Pierce Anthony T | 2026-07-09 | 0 | 2026-07-13 | ||
| PRINS RICHARD K | director | 2026-06-01 | A-Award | 0 | 2026-06-03 |
| PRINS RICHARD K | director | 2024-08-19 | G-Gift | 0 | 2026-06-03 |
| PRINS RICHARD K | director | 2026-06-01 | A-Award | 18.42 | 2026-06-03 |
| Lee Howard | director | 2026-06-01 | A-Award | 0 | 2026-06-03 |
| Lee Howard | director | 2026-06-02 | F-InKind | 18.45 | 2026-06-03 |
| Lee Howard | director | 2026-06-01 | A-Award | 18.42 | 2026-06-03 |
| ZASLOFF MICHAEL A | director | 2026-06-01 | A-Award | 0 | 2026-06-03 |
| ZASLOFF MICHAEL A | director | 2026-06-01 | A-Award | 18.42 | 2026-06-03 |
| Gerst Diane G. | director | 2026-06-01 | A-Award | 0 | 2026-06-03 |
| Gerst Diane G. | director | 2026-06-01 | A-Award | 18.42 | 2026-06-03 |
| Gaugh David Russell | director | 2026-06-01 | A-Award | 18.42 | 2026-06-03 |
| Gaugh David Russell | director | 2026-06-01 | A-Award | 0 | 2026-06-03 |
| Deflin Gayle | director | 2026-06-01 | A-Award | 0 | 2026-06-03 |
| Deflin Gayle | director | 2026-06-01 | A-Award | 18.42 | 2026-06-03 |
| Liawatidewi Yakob | director, officer: EVP CORP ADMIN CENTER | 2026-03-15 | F-InKind | 18.18 | 2026-03-17 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2026-03-15 | F-InKind | 18.18 | 2026-03-17 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2026-03-15 | F-InKind | 18.18 | 2026-03-17 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-15 | F-InKind | 18.18 | 2026-03-17 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-15 | F-InKind | 18.18 | 2026-03-17 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2026-03-09 | A-Award | 0 | 2026-03-11 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2026-03-10 | F-InKind | 18.91 | 2026-03-11 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2026-03-09 | A-Award | 19.21 | 2026-03-11 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2026-03-09 | A-Award | 0 | 2026-03-11 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2026-03-10 | F-InKind | 18.91 | 2026-03-11 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2026-03-09 | A-Award | 19.21 | 2026-03-11 |
| Liawatidewi Yakob | director, officer: EVP CORP ADMIN CENTER | 2026-03-09 | A-Award | 0 | 2026-03-11 |
| Liawatidewi Yakob | director, officer: EVP CORP ADMIN CENTER | 2026-03-10 | F-InKind | 18.91 | 2026-03-11 |
| Liawatidewi Yakob | director, officer: EVP CORP ADMIN CENTER | 2026-03-09 | A-Award | 19.21 | 2026-03-11 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-09 | A-Award | 0 | 2026-03-11 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-10 | F-InKind | 18.91 | 2026-03-11 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-09 | A-Award | 0 | 2026-03-11 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-10 | F-InKind | 18.91 | 2026-03-11 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-09 | A-Award | 19.21 | 2026-03-11 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-09 | A-Award | 19.21 | 2026-03-11 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2026-03-06 | F-InKind | 19.34 | 2026-03-10 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2026-03-06 | F-InKind | 19.34 | 2026-03-10 |
| Liawatidewi Yakob | director, officer: EVP CORP ADMIN CENTER | 2026-03-06 | F-InKind | 19.34 | 2026-03-10 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-06 | F-InKind | 19.34 | 2026-03-10 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-06 | F-InKind | 19.34 | 2026-03-10 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-04 | F-InKind | 19.96 | 2026-03-06 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2026-03-04 | F-InKind | 19.96 | 2026-03-06 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2026-03-04 | F-InKind | 19.96 | 2026-03-06 |
| Liawatidewi Yakob | director, officer: EVP CORP ADMIN CENTER | 2026-03-04 | F-InKind | 19.96 | 2026-03-06 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2026-03-04 | F-InKind | 19.96 | 2026-03-06 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2025-12-17 | M-Exempt | 11.33 | 2025-12-18 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2025-12-17 | S-Sale | 26.1959 | 2025-12-18 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2025-12-17 | M-Exempt | 11.33 | 2025-12-18 |
| Petersen Floyd F. | director | 2025-12-11 | S-Sale | 25.688 | 2025-12-15 |
| Petersen Floyd F. | director | 2025-12-12 | S-Sale | 25.9226 | 2025-12-15 |
| PRINS RICHARD K | director | 2025-11-25 | M-Exempt | 16.69 | 2025-11-25 |
| PRINS RICHARD K | director | 2025-11-25 | S-Sale | 27.1006 | 2025-11-25 |
| PRINS RICHARD K | director | 2025-11-25 | M-Exempt | 16.69 | 2025-11-25 |
| Petersen Floyd F. | director | 2025-11-13 | M-Exempt | 16.69 | 2025-11-17 |
| Petersen Floyd F. | director | 2025-11-13 | S-Sale | 26.4906 | 2025-11-17 |
| Petersen Floyd F. | director | 2025-11-13 | M-Exempt | 16.69 | 2025-11-17 |
| Petersen Floyd F. | director | 2025-11-03 | S-Sale | 25.2662 | 2025-11-05 |
| Petersen Floyd F. | director | 2025-10-01 | S-Sale | 27.2048 | 2025-10-02 |
| Petersen Floyd F. | director | 2025-09-02 | S-Sale | 30.9833 | 2025-09-03 |
| Petersen Floyd F. | director | 2025-08-01 | S-Sale | 20.8315 | 2025-08-04 |
| Gaugh David Russell | director | 2025-07-18 | A-Award | 20.62 | 2025-07-22 |
| Gaugh David Russell | director | 2025-07-18 | A-Award | 0 | 2025-07-22 |
| Gaugh David Russell | 2025-07-18 | 0 | 2025-07-22 | ||
| Petersen Floyd F. | director | 2025-07-02 | S-Sale | 23.4679 | 2025-07-03 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-06-13 | M-Exempt | 13.03 | 2025-06-16 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-06-13 | M-Exempt | 13.03 | 2025-06-16 |
| Lee Howard | director | 2025-06-02 | A-Award | 0 | 2025-06-04 |
| Lee Howard | director | 2025-06-03 | F-InKind | 26.01 | 2025-06-04 |
| Lee Howard | director | 2025-06-02 | A-Award | 25.38 | 2025-06-04 |
| Deflin Gayle | director | 2025-06-02 | A-Award | 25.38 | 2025-06-04 |
| Deflin Gayle | director | 2025-06-02 | A-Award | 0 | 2025-06-04 |
| Gerst Diane G. | director | 2025-06-02 | A-Award | 0 | 2025-06-04 |
| Gerst Diane G. | director | 2025-06-02 | A-Award | 25.38 | 2025-06-04 |
| PRINS RICHARD K | director | 2025-06-02 | A-Award | 0 | 2025-06-04 |
| PRINS RICHARD K | director | 2025-06-02 | A-Award | 25.38 | 2025-06-04 |
| Petersen Floyd F. | director | 2025-06-02 | A-Award | 0 | 2025-06-04 |
| Petersen Floyd F. | director | 2025-06-02 | S-Sale | 25.6701 | 2025-06-04 |
| Petersen Floyd F. | director | 2025-06-02 | A-Award | 25.38 | 2025-06-04 |
| ZASLOFF MICHAEL A | director | 2025-06-02 | A-Award | 0 | 2025-06-04 |
| ZASLOFF MICHAEL A | director | 2025-06-02 | A-Award | 25.38 | 2025-06-04 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2025-05-19 | F-InKind | 24.79 | 2025-05-20 |
| Petersen Floyd F. | director | 2025-05-01 | S-Sale | 24.0829 | 2025-05-02 |
| Petersen Floyd F. | director | 2025-04-01 | S-Sale | 28.3805 | 2025-04-02 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2025-03-15 | F-InKind | 26.66 | 2025-03-18 |
| Zhou Rong | officer: SENIOR EVP, PRODUCTION CENTER | 2025-03-17 | F-InKind | 27.69 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-14 | M-Exempt | 14.69 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-14 | F-InKind | 26.66 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-15 | F-InKind | 26.66 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-17 | F-InKind | 27.69 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-14 | M-Exempt | 14.69 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-14 | F-InKind | 26.66 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-15 | F-InKind | 26.66 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-17 | F-InKind | 27.69 | 2025-03-18 |
| Zhang Jack Y. | director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER | 2025-03-14 | M-Exempt | 14.69 | 2025-03-18 |
| Liawatidewi Yakob | director, officer: EVP CORP ADMIN CENTER | 2025-03-15 | F-InKind | 26.66 | 2025-03-18 |
| Liawatidewi Yakob | director, officer: EVP CORP ADMIN CENTER | 2025-03-17 | F-InKind | 27.69 | 2025-03-18 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2025-03-15 | F-InKind | 26.66 | 2025-03-18 |
| PETERS WILLIAM J | director, officer: CFO, EVP & TREASURER | 2025-03-17 | F-InKind | 27.69 | 2025-03-18 |