Petersen Floyd F. — SEC Form 4 filings
SEC reporting owner CIK 1611286. 18 Form 4 filings on record with FilingPulse; latest filed 2025-12-15.
Transaction summary — filings shown
Covers all 18 filings on record, filed 2024-02-02 to 2025-12-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 21 legs across 18 filings — 34,342 shares, $1,057,165 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 6.
- Largest priced transaction: sale of 16,679 shares @ $26.49 ($441,837) in Amphastar Pharmaceuticals, Inc., filed 2025-11-17.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Amphastar Pharmaceuticals, Inc. (AMPH) | Director | 18 | — | 21 legs · 34,342 sh · $1,057,165 | 6 |
Form 4 filings — Petersen Floyd F.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-12-15 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 1,737 @ $25.69 · Sale (S): 2,426 @ $25.92 | EDGAR |
| 2025-11-17 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Option exercise (M): 16,679 @ $16.69 · Sale (S): 16,679 @ $26.49 · Option exercise (M): 16,679 (derivative) @ $0 | EDGAR |
| 2025-11-05 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $25.27 | EDGAR |
| 2025-10-02 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $27.20 | EDGAR |
| 2025-09-03 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $30.98 | EDGAR |
| 2025-08-04 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $20.83 | EDGAR |
| 2025-07-03 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $23.47 | EDGAR |
| 2025-06-04 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $25.67 · Grant/award (A): 5,122 @ $0 · Grant/award (A): 11,402 (derivative) @ $0 | EDGAR |
| 2025-05-02 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $24.08 | EDGAR |
| 2025-04-02 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $28.38 | EDGAR |
| 2025-03-07 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 1,000 @ $27.99 | EDGAR |
| 2024-09-06 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 3,000 @ $46.47 | EDGAR |
| 2024-06-11 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 3,000 @ $41.40 | EDGAR |
| 2024-06-05 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $42.65 · Grant/award (A): 3,076 @ $0 · Grant/award (A): 6,864 (derivative) @ $0 | EDGAR |
| 2024-05-02 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $41.67 | EDGAR |
| 2024-04-02 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 500 @ $43.43 | EDGAR |
| 2024-03-04 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 451 @ $45.60 · Sale (S): 49 @ $46.53 | EDGAR |
| 2024-02-02 | 4 | Amphastar Pharmaceuticals, Inc. (AMPH) | Sale (S): 474 @ $53.07 · Sale (S): 26 @ $53.64 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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