SEC Form 4 · accession 0001104659-17-018130
Amphastar Pharmaceuticals, Inc. · AMPH
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Rong Zhou
Officer — EVP, Production Center
Period of report
Mar 16, 2017
Accepted (ET)
Mar 20, 2017 · 9:04 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001297184
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Mar 16, 2017 | A | 11,797 | $0.00 | A | 48,788 | D | |
| Common StockF2 | Mar 17, 2017 | F | 1,248 | $13.75 | D | 47,540 | D | |
| Common StockF3 | holding | — | — | — | 99,668 | I | See footnote | |
| Common StockF4 | holding | — | — | — | 5,000 | I | See footnote |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (right to buy)F5 | $13.35 | Mar 16, 2017 | A | 29,424 | A | — | Mar 16, 2027 | Common Stock | 29,424 | 29,424 | D |
Explanation of responses
- F1The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 16, 2018.
- F2The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs.
- F3The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.
- F4The shares are held of record by the reporting person's spouse.
- F5Shares subject to the option vest in four equal annual installments beginning on March 16, 2018.