Insider · CIK 0001033511
Michael A Zasloff
Files at AMPH (Amphastar Pharmaceuticals, Inc.). First filing -, latest -.
In brief
Michael A Zasloff files SEC Form 4 as director at AMPH (Amphastar Pharmaceuticals, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Michael A Zasloff has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | AGrant or award Common Stock | +8,143 | $0.00 | $0 | 37,667 | Jun 3, 2026 |
| Jun 1, 2026 | AMPH Amphastar Pharmaceuticals, Inc. | AGrant or award Common Stockderivative | +17,365 | $0.00 | $0 | 17,365 | Jun 3, 2026 |
| Jun 2, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | AGrant or award Common Stock | +5,122 | $0.00 | $0 | 29,524 | Jun 4, 2025 |
| Jun 2, 2025 | AMPH Amphastar Pharmaceuticals, Inc. | AGrant or award Stock Option (right to buy)derivative | +11,402 | $0.00 | $0 | 11,402 | Jun 4, 2025 |
Questions about Michael A Zasloff
Answered from the filings on this page, as of the latest one.
Is Michael A Zasloff buying or selling?
Michael A Zasloff has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Michael A Zasloff's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael A Zasloff has 0.
Where does Michael A Zasloff file Form 4?
Michael A Zasloff has filed Form 4 at AMPH (Amphastar Pharmaceuticals, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.