PETERS WILLIAM J
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to PETERS WILLIAM J. 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 | CFO, EVP & TREASURER | Tax Withholding | 273 | $24.79 | $6,768 | May 19, 2025 |
| AMPH | CFO, EVP & TREASURER | Tax Withholding | 1,968 | $26.66 | $52,467 | Mar 17, 2025 |
| AMPH | CFO, EVP & TREASURER | Award / Grant | 36,747 | — | — | Mar 10, 2025 |
| AMPH | CFO, EVP & TREASURER | Tax Withholding | 2,141 | $28.32 | $60,633 | Mar 6, 2025 |
| AMPH | CFO, EVP & TREASURER | Option Exercise | 7,490 | $13.35 | $99,992 | Mar 4, 2025 |
| AMPH | CFO, EVP & TREASURER | Sale | 7,426 | $52.05 | $386,523 | Nov 6, 2024 |
| AMPH | CFO, EVP & TREASURER | Option Exercise | 10,282 | $20.23 | $208,005 | Jul 31, 2024 |
| AMPH | CFO, EVP & TREASURER | Sale | 2,961 | $40.85 | $120,957 | Jun 27, 2024 |
| AMPH | CFO, EVP & TREASURER | Tax Withholding | 387 | $43.48 | $16,827 | May 19, 2024 |
| AMPH | CFO, EVP & TREASURER | Tax Withholding | 2,285 | $43.05 | $98,369 | Mar 16, 2024 |
| AMPH | CFO, EVP & TREASURER | Sale | 4,681 | $46.98 | $219,913 | Mar 6, 2024 |
| AMPH | CFO, EVP & TREASURER | Award / Grant | 19,440 | — | — | Mar 4, 2024 |
| AMPH | CFO, EVP & Treasurer | Sale | 30,162 | $55.67 | $1,679,119 | Nov 14, 2023 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 25,250 | $13.03 | $329,008 | Sep 6, 2023 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 36,868 | $19.79 | $729,618 | Jun 15, 2023 |
| AMPH | CFO, EVP & Treasurer | Sale | 11,000 | $46.35 | $509,850 | Jun 2, 2023 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 10,500 | $13.35 | $140,175 | May 18, 2023 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 5,632 | $13.35 | $75,187 | Apr 17, 2023 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 4,868 | $13.35 | $64,988 | Apr 13, 2023 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 10,032 | $13.35 | $133,927 | Apr 10, 2023 |
| AMPH | CFO, EVP & Treasurer | Tax Withholding | 4,995 | $37.60 | $187,812 | Mar 17, 2023 |
| AMPH | CFO, EVP & Treasurer | Sale | 12,776 | $36.43 | $465,430 | Mar 15, 2023 |
| AMPH | CFO, EVP & Treasurer | Award / Grant | 23,925 | — | — | Mar 6, 2023 |
| AMPH | CFO, EVP & Treasurer | Sale | 10,974 | $36.33 | $398,685 | Mar 1, 2023 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 10,000 | $13.35 | $133,500 | Aug 9, 2022 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 18,386 | $14.95 | $274,871 | Jun 30, 2022 |
| AMPH | CFO, EVP & Treasurer | Sale | 5,512 | $32.05 | $176,660 | Jun 17, 2022 |
| AMPH | CFO, EVP & Treasurer | Tax Withholding | 378 | $33.70 | $12,739 | May 19, 2022 |
| AMPH | CFO, EVP & Treasurer | Sale | 3,760 | $34.36 | $129,194 | Mar 16, 2022 |
| AMPH | CFO, EVP & Treasurer | Tax Withholding | 5,989 | $34.74 | $208,058 | Mar 15, 2022 |
| AMPH | CFO, EVP & Treasurer | Sale | 13,026 | $29.35 | $382,313 | Mar 7, 2022 |
| AMPH | CFO, EVP & Treasurer | Sale | 11,000 | $27.95 | $307,450 | Feb 25, 2022 |
| AMPH | CFO, EVP & Treasurer | Sale | 10,000 | $26.95 | $269,500 | Feb 8, 2022 |
| AMPH | CFO, EVP & Treasurer | Sale | 11,776 | $24.90 | $293,222 | Jan 10, 2022 |
| AMPH | CFO, EVP & Treasurer | Sale | 10,000 | $23.40 | $234,000 | Dec 30, 2021 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 8,256 | $14.40 | $118,886 | Dec 21, 2021 |
| AMPH | CFO, EVP & Treasurer | Sale | 1,744 | $22.40 | $39,066 | Dec 16, 2021 |
| AMPH | CFO, EVP & Treasurer | Option Exercise | 10,000 | $11.33 | $113,300 | Nov 11, 2021 |
| AMPH | CFO, EVP & Treasurer | Sale | 6,589 | $19.35 | $127,497 | Aug 16, 2021 |
| AMPH | CFO, EVP & Treasurer | Sale | 10,000 | $20.37 | $203,700 | Jul 7, 2021 |
| AMPH | CFO, EVP & Treasurer | Award / Grant | 3,047 | — | — | May 19, 2021 |
| AMPH | CFO, SVP & Treasurer | Tax Withholding | 6,398 | $18.44 | $117,979 | Mar 17, 2021 |
| AMPH | CFO, SVP & Treasurer | Tax Withholding | 4,178 | $19.15 | $80,009 | Mar 15, 2021 |
| AMPH | CFO, SVP & Treasurer | Sale | 6,495 | $18.67 | $121,262 | Jan 19, 2021 |
| AMPH | CFO, SVP & Treasurer | Sale | 5,512 | $20.36 | $112,224 | Aug 14, 2020 |
| AMPH | CFO, SVP & Treasurer | Sale | 13,656 | $22.00 | $300,432 | Jul 6, 2020 |
| AMPH | CFO, SVP & Treasurer | Award / Grant | 40,291 | — | — | Mar 16, 2020 |
| AMPH | CFO, SVP & Treasurer | Sale | 1,737 | $14.43 | $25,065 | Mar 13, 2020 |
| AMPH | CFO, SVP & Treasurer | Sale | 3,990 | $20.07 | $80,079 | Jan 21, 2020 |
| AMPH | CFO, SVP & Treasurer | Sale | 9,800 | $21.76 | $213,248 | Sep 16, 2019 |