Blackford Quentin S.
Insider transactions at 4 companies
This page shows all SEC Form 4 filings attributed to Blackford Quentin S.. 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 |
|---|---|---|---|---|---|---|
| IRTC | President and CEO | Sale | 14,059 | $182.94 | $2,571,953 | Nov 3, 2025 |
| IRTC | President and CEO | Sale | 4,905 | $160.73 | $788,381 | Aug 5, 2025 |
| ATEC | Award / Grant | 15,131 | — | — | Jun 11, 2025 | |
| IRTC | President and CEO | Award / Grant | 297 | $71.46 | $21,224 | May 30, 2025 |
| ATEC | Gift | 21,000 | — | — | May 5, 2025 | |
| 0001531978 | Disposition | 50,554 | — | — | Apr 21, 2025 | |
| IRTC | President and CEO | Sale | 8,145 | $108.77 | $885,932 | Mar 3, 2025 |
| IRTC | President and CEO | Sale | 22,252 | $112.13 | $2,495,117 | Feb 25, 2025 |
| ATEC | Gift | 15,114 | — | — | Nov 21, 2024 | |
| IRTC | President and CEO | Award / Grant | 280 | $74.98 | $20,994 | Nov 4, 2024 |
| ATEC | Award / Grant | 16,747 | — | — | Jun 12, 2024 | |
| 0001531978 | Award / Grant | 15,906 | — | — | May 17, 2024 | |
| ATEC | Purchase | 20,000 | $12.83 | $256,600 | Mar 7, 2024 | |
| IRTC | President and CEO | Sale | 4,221 | $111.14 | $469,122 | Mar 4, 2024 |
| IRTC | President and CEO | Sale | 24,701 | $121.96 | $3,012,534 | Feb 28, 2024 |
| IRTC | President and CEO | Award / Grant | 45,268 | — | — | Feb 27, 2024 |
| ATEC | Award / Grant | 9,908 | — | — | Jun 20, 2023 | |
| IRTC | President and CEO | Purchase | 9,755 | $102.27 | $997,644 | Jun 6, 2023 |
| IRTC | President and CEO | Award / Grant | 9,755 | $102.27 | $997,644 | Jun 6, 2023 |
| 0001531978 | Award / Grant | 8,361 | — | — | May 17, 2023 | |
| IRTC | President and CEO | Award / Grant | 28,775 | — | — | Feb 27, 2023 |
| IRTC | President and CEO | Sale | 12,415 | $122.50 | $1,520,838 | Nov 2, 2022 |
| 0001531978 | Award / Grant | 16,287 | $18.42 | $300,007 | Aug 1, 2022 | |
| ATEC | Award / Grant | 18,546 | — | — | Jun 15, 2022 | |
| AXGN | Option Exercise | 3,036 | — | — | Mar 30, 2022 | |
| IRTC | President and CEO | Award / Grant | 101,979 | — | — | Oct 5, 2021 |
| DXCM | Chief Operating Officer | Sale | 1,519 | $558.33 | $848,103 | Sep 9, 2021 |
| ATEC | Award / Grant | 10,221 | — | — | Jun 16, 2021 | |
| AXGN | Option Exercise | 6,173 | — | — | Jun 1, 2021 | |
| DXCM | Chief Operating Officer | Sale | 7,223 | $375.00 | $2,708,625 | May 28, 2021 |
| DXCM | Chief Operating Officer & CFO | Sale | 6,509 | $362.22 | $2,357,690 | Mar 10, 2021 |
| DXCM | Chief Operating Officer & CFO | Award / Grant | 7,491 | — | — | Mar 8, 2021 |
| ATEC | Gift | 16,250 | — | — | Nov 3, 2020 | |
| DXCM | Chief Operating Officer & CFO | Sale | 1,594 | $398.98 | $635,974 | Sep 9, 2020 |
| AXGN | Award / Grant | 2,591 | $11.75 | $30,444 | Sep 3, 2020 | |
| ATEC | Award / Grant | 28,013 | — | — | Jun 17, 2020 | |
| DXCM | Chief Operating Officer & CFO | Sale | 600 | $238.29 | $142,974 | Mar 12, 2020 |
| DXCM | Chief Operating Officer & CFO | Award / Grant | 12,727 | — | — | Mar 9, 2020 |
| DXCM | EVP Chief Financial Officer | Sale | 406 | $143.57 | $58,289 | Sep 10, 2019 |
| DXCM | EVP Chief Financial Officer | Sale | 11,049 | $150.11 | $1,658,565 | Sep 9, 2019 |
| AXGN | Purchase | 200 | $13.07 | $2,614 | Aug 12, 2019 | |
| AXGN | Purchase | 1,165 | $13.10 | $15,262 | Aug 12, 2019 | |
| ATEC | Award / Grant | 18,086 | — | — | Jun 21, 2019 | |
| DXCM | EVP Chief Financial Officer | Sale | 5,498 | $118.73 | $652,778 | May 29, 2019 |
| DXCM | EVP Chief Financial Officer | Sale | 5,358 | $142.79 | $765,069 | Mar 12, 2019 |
| DXCM | EVP Chief Financial Officer | Award / Grant | 18,432 | — | — | Mar 8, 2019 |
| DXCM | EVP, CFO, PFO & PAO | Sale | 3,680 | $148.22 | $545,450 | Sep 11, 2018 |
| DXCM | EVP, CFO, PFO & PAO | Sale | 7,149 | $143.76 | $1,027,740 | Sep 10, 2018 |
| ATEC | Award / Grant | 21,111 | — | — | Jul 30, 2018 | |
| DXCM | EVP, CFO, PFO & PAO | Award / Grant | 38,502 | — | — | Mar 8, 2018 |