Amphastar Pharmaceuticals, Inc. · NASDAQ:AMPH
Jack Y. Zhang reported a 24.80% stake in Amphastar Pharmaceuticals, Inc. (Schedule 13G/A)
Event Dec 31, 2024 · Filed Feb 7, 2025
Jack Y. Zhang reported a 24.80% stake in Amphastar Pharmaceuticals, Inc., 12,524,153 shares, as a passive investor on Dec 31, 2024. Filed Feb 7, 2025 (Schedule 13G/A).
- Stake
- 24.80%
- Shares
- 12,524,153
- Intent
- Passive
- What changed
- Stake changed
- Filed together
- 3 holders
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| Jack Y. Zhang | 24.80% | 12,524,153 |
| Mary Z. Luo | 24.80% | 12,524,153 |
| Applied Physics & Chemistry Laboratories, Inc. | 14.20% | 6,827,679 |