Petersen Floyd F.
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Petersen Floyd F.. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| AMPH | Sale | 2,426 | $25.92 | $62,882 | Dec 11, 2025 | |
| AMPH | Option Exercise | 16,679 | $16.69 | $278,373 | Nov 13, 2025 | |
| AMPH | Sale | 500 | $25.27 | $12,635 | Nov 3, 2025 | |
| AMPH | Sale | 500 | $27.20 | $13,600 | Oct 1, 2025 | |
| AMPH | Sale | 500 | $30.98 | $15,490 | Sep 2, 2025 | |
| AMPH | Sale | 500 | $20.83 | $10,415 | Aug 1, 2025 | |
| AMPH | Sale | 500 | $23.47 | $11,735 | Jul 2, 2025 | |
| AMPH | Sale | 500 | $25.67 | $12,835 | Jun 2, 2025 | |
| AMPH | Sale | 500 | $24.08 | $12,040 | May 1, 2025 | |
| AMPH | Sale | 500 | $28.38 | $14,190 | Apr 1, 2025 | |
| AMPH | Sale | 1,000 | $27.99 | $27,990 | Mar 6, 2025 | |
| AMPH | Sale | 3,000 | $46.47 | $139,410 | Sep 5, 2024 | |
| AMPH | Sale | 3,000 | $41.40 | $124,200 | Jun 10, 2024 | |
| AMPH | Sale | 500 | $42.65 | $21,325 | Jun 3, 2024 | |
| AMPH | Sale | 500 | $41.67 | $20,835 | May 1, 2024 | |
| AMPH | Sale | 500 | $43.43 | $21,715 | Apr 1, 2024 | |
| AMPH | Sale | 451 | $45.60 | $20,566 | Mar 1, 2024 | |
| AMPH | Sale | 474 | $53.07 | $25,155 | Feb 1, 2024 | |
| AMPH | Sale | 353 | $61.70 | $21,780 | Jan 2, 2024 | |
| AMPH | Sale | 135 | $57.24 | $7,727 | Dec 1, 2023 | |
| AMPH | Sale | 500 | $45.30 | $22,650 | Nov 1, 2023 | |
| AMPH | Sale | 500 | $45.78 | $22,890 | Oct 2, 2023 | |
| AMPH | Award / Grant | 2,716 | — | — | Jun 5, 2023 | |
| AMPH | Sale | 5,000 | $43.13 | $215,650 | May 17, 2023 | |
| AMPH | Sale | 491 | $37.72 | $18,521 | Apr 3, 2023 | |
| AMPH | Sale | 412 | $36.59 | $15,075 | Mar 1, 2023 | |
| AMPH | Sale | 500 | $30.35 | $15,175 | Feb 1, 2023 | |
| AMPH | Sale | 500 | $27.94 | $13,970 | Jan 3, 2023 | |
| AMPH | Sale | 500 | $30.13 | $15,065 | Dec 1, 2022 | |
| AMPH | Sale | 500 | $31.13 | $15,565 | Nov 1, 2022 | |
| AMPH | Sale | 500 | $28.59 | $14,295 | Oct 3, 2022 | |
| AMPH | Sale | 500 | $29.44 | $14,720 | Sep 1, 2022 | |
| AMPH | Sale | 500 | $37.48 | $18,740 | Aug 1, 2022 | |
| AMPH | Sale | 500 | $34.78 | $17,390 | Jul 1, 2022 | |
| AMPH | Award / Grant | 4,163 | — | — | Jun 10, 2022 | |
| AMPH | Sale | 380 | $36.79 | $13,980 | Jun 1, 2022 | |
| AMPH | Sale | 9,924 | $35.05 | $347,836 | May 18, 2022 | |
| AMPH | Sale | 27 | $35.52 | $959 | May 2, 2022 | |
| AMPH | Sale | 437 | $36.59 | $15,990 | Apr 1, 2022 | |
| AMPH | Sale | 500 | $27.27 | $13,635 | Mar 1, 2022 | |
| AMPH | Sale | 89 | $23.37 | $2,080 | Feb 1, 2022 | |
| AMPH | Sale | 500 | $23.22 | $11,610 | Jan 3, 2022 | |
| AMPH | Sale | 1,000 | $22.50 | $22,500 | Dec 22, 2021 | |
| AMPH | Award / Grant | 6,019 | — | — | Jun 7, 2021 | |
| AMPH | Option Exercise | 10,000 | $16.43 | $164,300 | Jun 3, 2021 | |
| AMPH | Sale | 639 | $18.26 | $11,668 | Feb 1, 2021 | |
| AMPH | Sale | 500 | $17.87 | $8,935 | Dec 1, 2020 | |
| AMPH | Sale | 500 | $19.84 | $9,920 | Nov 2, 2020 | |
| AMPH | Sale | 500 | $18.89 | $9,445 | Oct 1, 2020 | |
| AMPH | Sale | 500 | $19.90 | $9,950 | Sep 1, 2020 |