Zasloff Michael A insider trades
Zasloff Michael A has filed 10 Form 4s with the SEC that we hold, all for Amphastar Pharmaceuticals, Inc. (AMPH), as Director. Across all of them we count 0 purchases worth $0 and 6 sales worth $2.3M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 12,759 shares of Amphastar Pharmaceuticals, Inc. worth $730.1K, dated 2023-08-15. The first filing on our record is dated 2022-03-17 and the latest 2026-06-03.
Amphastar Pharmaceuticals, Inc. (AMPH)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-03-16 | S, sale reported on Form 4 | 10,000 | $337.1K | 2022-03-17 |
| 2022-05-16 | S, sale reported on Form 4 | 10,291 | $366.5K | 2022-05-17 |
| 2023-05-15 | S, sale reported on Form 4 | 7,500 | $316.4K | 2023-05-16 |
| 2023-08-15 | S, sale reported on Form 4 | 12,759 | $730.1K | 2023-08-16 |
| 2024-03-05 | S, sale reported on Form 4 | 3,111 | $147.9K | 2024-03-06 |
| 2024-03-05 | S, sale reported on Form 4 | 9,389 | $441.8K | 2024-03-06 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1033511) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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