SEC Form 4 · accession 0001209191-15-054340
Amphastar Pharmaceuticals, Inc. · AMPH
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Diane G. Gerst
Officer — EVP, QA & Regulatory Affairs
Period of report
Apr 14, 2015
Accepted (ET)
Jun 17, 2015 · 6:08 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 | Apr 14, 2015 | F | 862 | $15.22 | D | 18,634 | D | |
| Common StockF2 | Jun 15, 2015 | A | 1,544 | $0.00 | A | 20,178 | D |
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)F3 | $16.19 | Jun 15, 2015 | A | 4,685 | A | — | Jun 15, 2025 | Common Stock | 4,685 | 4,685 | D |
Explanation of responses
- F1The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of deferred stock units, or DSUs.
- F2The reported shares are represented by DSUs which vest in four equal annual installments beginning on June 15, 2016.
- F3Shares subject to the option vest in four equal annual installments beginning on June 15, 2016.