Harms Christopher
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Harms Christopher. 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 |
|---|---|---|---|---|---|---|
| AMPL | Chief Financial Officer | Tax Withholding | 32,064 | $9.49 | $304,287 | May 15, 2024 |
| AMPL | Chief Financial Officer | Award / Grant | 275,624 | — | — | Apr 15, 2024 |
| AMPL | Chief Financial Officer | Tax Withholding | 18,040 | $14.26 | $257,250 | Feb 15, 2024 |
| AMPL | Chief Financial Officer | Tax Withholding | 20,878 | $10.76 | $224,647 | Nov 15, 2023 |
| AMPL | Chief Financial Officer | Tax Withholding | 11,759 | $11.37 | $133,700 | Aug 15, 2023 |
| AMPL | Chief Financial Officer | Sale | 14,666 | $9.11 | $133,607 | May 18, 2023 |
| AMPL | Chief Financial Officer | Award / Grant | 408,057 | — | — | Mar 15, 2023 |
| 0001145057 | Chief Financial Officer | Disposition | 109,962 | — | — | Aug 17, 2020 |
| 0001145057 | Chief Financial Officer | Tax Withholding | 8,184 | $22.57 | $184,713 | May 15, 2020 |
| 0001145057 | Chief Financial Officer | Sale | 5,460 | $32.02 | $174,829 | Apr 15, 2020 |
| 0001145057 | Chief Financial Officer | Sale | 3,213 | $26.91 | $86,462 | Mar 16, 2020 |
| 0001145057 | Chief Financial Officer | Tax Withholding | 2,405 | $31.14 | $74,892 | Mar 15, 2020 |
| 0001145057 | Chief Financial Officer | Sale | 6,451 | $32.98 | $212,754 | Feb 15, 2020 |
| 0001145057 | Chief Financial Officer | Sale | 1,900 | $34.31 | $65,189 | Jan 15, 2020 |
| 0001145057 | Chief Financial Officer | Option Exercise | 9,815 | $9.88 | $96,972 | Dec 13, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 7,680 | $33.41 | $256,589 | Nov 15, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 5,433 | $26.08 | $141,693 | Oct 15, 2019 |
| 0001145057 | Chief Financial Officer | Option Exercise | 9,815 | $9.88 | $96,972 | Sep 13, 2019 |
| 0001145057 | Chief Financial Officer | Tax Withholding | 2,138 | $36.44 | $77,909 | Aug 16, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 8,945 | $37.89 | $338,926 | Jul 15, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 4,898 | $32.55 | $159,430 | Jun 13, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 700 | $34.96 | $24,472 | May 16, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 6,239 | $41.41 | $258,357 | Apr 11, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 5,182 | $42.45 | $219,976 | Mar 11, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 5,182 | $38.65 | $200,284 | Feb 20, 2019 |
| 0001145057 | Chief Financial Officer | Option Exercise | 16,166 | — | — | Feb 15, 2019 |
| 0001145057 | Chief Financial Officer | Sale | 7,957 | $26.36 | $209,747 | Jan 11, 2019 |
| 0001145057 | Chief Financial Officer | Option Exercise | 7,957 | $2.18 | $17,346 | Dec 11, 2018 |
| 0001145057 | Chief Financial Officer | Sale | 1,550 | $28.92 | $44,826 | Nov 9, 2018 |
| 0001145057 | Chief Financial Officer | Sale | 4,027 | $30.11 | $121,253 | Oct 11, 2018 |
| 0001145057 | Chief Financial Officer | Sale | 2,107 | $37.35 | $78,696 | Sep 11, 2018 |
| 0001145057 | Chief Financial Officer | Option Exercise | 14,204 | $7.04 | $99,996 | Aug 20, 2018 |
| 0001145057 | Chief Financial Officer | Tax Withholding | 2,139 | $32.17 | $68,812 | Aug 15, 2018 |
| 0001145057 | Chief Financial Officer | Sale | 16,023 | $4.94 | $79,154 | Jul 5, 2018 |
| 0001145057 | Chief Financial Officer | Tax Withholding | 10,704 | $30.42 | $325,616 | May 15, 2018 |
| 0001145057 | Chief Financial Officer | Option Exercise | 4,313 | — | — | Apr 25, 2018 |
| 0001145057 | Chief Financial Officer | Sale | 46,169 | $27.64 | $1,276,111 | Mar 23, 2018 |
| 0001145057 | Chief Financial Officer | Option Exercise | 46,169 | $2.18 | $100,648 | Mar 20, 2018 |