SEC Form 4 · accession 0001104659-17-038770
Amphastar Pharmaceuticals, Inc. · AMPH
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Richard Koo
Director
Period of report
Jun 8, 2017
Accepted (ET)
Jun 12, 2017 · 7:49 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 | Jun 8, 2017 | A | 5,844 | $0.00 | A | 235,338 | D | |
| Common StockF2 | holding | — | — | — | 10,000 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F3 | $17.11 | Jun 8, 2017 | A | 20,291 | A | — | Jun 8, 2022 | Common Stock | 20,291 | 20,291 | D |
Explanation of responses
- F1The reported securities are represented by restricted stock units, or RSUs, all of which vest on June 8, 2018.
- F2The reported shares are held directly by Richard Y. Koo, a sole proprietorship, for which the Reporting Person is the sole owner.
- F3All of the shares subject to the option vest on June 8, 2018.