Demski David M
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to Demski David M. 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 |
|---|---|---|---|---|---|---|
| ATEC | Sale | 30,000 | $21.20 | $636,000 | Dec 11, 2025 | |
| ATEC | Award / Grant | 15,131 | — | — | Jun 11, 2025 | |
| 0001531978 | Disposition | 74,307 | — | — | Apr 21, 2025 | |
| ATEC | Award / Grant | 126,051 | — | — | Dec 18, 2024 | |
| 0001531978 | Award / Grant | 34,207 | — | — | Dec 10, 2024 | |
| 0001603756 | Disposition | 9,542 | $71.00 | $677,482 | Nov 15, 2024 | |
| ATEC | Purchase | 50,000 | $5.67 | $283,500 | Aug 21, 2024 | |
| ATEC | Purchase | 40,000 | $6.56 | $262,400 | Aug 2, 2024 | |
| ATEC | Award / Grant | 16,747 | — | — | Jun 12, 2024 | |
| ATEC | Purchase | 30,000 | $10.50 | $315,000 | Nov 9, 2023 | |
| ATEC | Award / Grant | 23,852 | — | — | Oct 17, 2023 | |
| 0001603756 | Award / Grant | 3,000 | — | — | Jun 26, 2023 | |
| 0001603756 | Award / Grant | 2,100 | — | — | Aug 18, 2022 | |
| 0001603756 | Award / Grant | 942 | — | — | Oct 22, 2021 | |
| GMED | President, CEO | Sale | 144,263 | $71.50 | $10,314,805 | Apr 23, 2021 |
| 0001603756 | Award / Grant | 3,500 | — | — | Jan 31, 2021 | |
| GMED | President, CEO | Option Exercise | 3,125 | $43.58 | $136,188 | Dec 17, 2020 |
| GMED | President, CEO | Option Exercise | 173,750 | $29.31 | $5,092,613 | Aug 6, 2020 |
| GMED | President, CEO | Sale | 165,000 | $57.02 | $9,408,300 | Aug 6, 2020 |
| GMED | Chief Executive Officer | Option Exercise | 28,863 | $25.52 | $736,584 | Apr 18, 2018 |
| GMED | Chief Executive Officer | Sale | 3,043 | $51.00 | $155,193 | Apr 12, 2018 |
| GMED | President and COO | Sale | 32,510 | $26.00 | $845,260 | Feb 26, 2015 |
| GMED | President and COO | Option Exercise | 14,615 | $10.66 | $155,796 | Mar 6, 2014 |
| GMED | President and COO | Sale | 96,813 | $20.51 | $1,985,635 | Jan 15, 2014 |
| GMED | President and COO | Sale | 3,187 | $20.25 | $64,537 | Dec 31, 2013 |
| GMED | President and COO | Sale | 1,634 | $19.75 | $32,272 | Dec 20, 2013 |
| GMED | President and COO | Sale | 6,876 | $19.25 | $132,363 | Nov 27, 2013 |
| GMED | President and COO | Sale | 100,000 | $18.50 | $1,850,000 | Oct 31, 2013 |
| GMED | President and COO | Sale | 4,154 | $17.95 | $74,564 | Aug 22, 2013 |
| GMED | President and COO | Sale | 40,000 | $16.25 | $650,000 | May 3, 2013 |
| GMED | President and COO | Sale | 14,225 | $15.00 | $213,375 | Mar 11, 2013 |
| GMED | President and COO | Sale | 25,775 | $15.00 | $386,625 | Feb 13, 2013 |
| GMED | President and COO | Gift | 50,000 | — | — | Dec 27, 2012 |
| GMED | President and COO | C | 990,322 | — | — | Aug 8, 2012 |