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GKOS • CIK 0001192448
Loading insider transactions…
People and entities that have reported ownership via Form 3, 3/A, 4, 4/A, 5, 5/A
Parsed transactions from Form 4 (and 3/5) filings (past year)
0 transactions · 0 shares
— total value
32 transactions · 346.00K shares
$40.89M total value
8 transactions · 476.50K shares
| Filing Date | Insiders | Transactions | Filing |
|---|---|---|---|
| Oct 7, 2026 | Navratil Tomas | Sold 1.53K @ $164.4532/share ($251.12K) | View |
| Sep 28, 2026 | Navratil Tomas | Sold 1.61K @ $154.2777/share ($249.16K) | View |
| Sep 18, 2026 | Navratil Tomas | Sold 1.46K @ $166.921/share ($243.20K) | View |
| Sep 1, 2026 | Navratil Tomas | Sold 13.74K @ $180.6682/share ($2.48M) | View |
| Aug 20, 2026 | Kliman Gilbert H | Exercised 5.00K options @ $12.885/share; sold 2.50K @ $190.00/share ($475.00K) | View |
| Feb 26, 2026 | Navratil Tomas | Tax Withholding: 396 @ $119.17 ($47.19K) | View |
| Feb 26, 2026 | Gilliam Joseph E | Tax Withholding: 1.06K @ $119.17 ($125.96K) | View |
| Feb 26, 2026 | Burns Thomas William | Tax Withholding: 4.06K @ $119.17 ($483.71K) | View |
| Feb 10, 2026 | Burns Thomas William | Exercised 166.00K options @ $30.92/share Gift: 134.71K | View |
| Jan 26, 2026 | Gilliam Joseph E | Exercised 10.50K options @ $55.18/share; sold 10.50K @ $127.6795/share ($1.34M) | View |
| Jan 26, 2026 | Stapley Marc | Exercised 15.00K options @ $24.69/share; sold 15.00K @ $127.7051/share ($1.92M) | View |
| Jan 20, 2026 | Burns Thomas William | Exercised 275.00K options @ $16.49/share; sold 275.00K @ $115.00/share ($31.63M) | View |
| Jan 7, 2026 | WEN LEANA | Grant/Award: 623 shares | View |
| Jan 7, 2026 | Torres Denice | Grant/Award: 623 shares | View |
| Jan 7, 2026 | Stapley Marc | Grant/Award: 727 shares | View |
| Jan 7, 2026 | Foley Mark J | Grant/Award: 1.17K shares | View |
| Jan 7, 2026 | Hoffmeister David F | Grant/Award: 753 shares | View |
| Jan 7, 2026 | Kliman Gilbert H | Grant/Award: 623 shares | View |
| Dec 31, 2025 | Navratil Tomas | Tax Withholding: 510 @ $114.24 ($58.26K) | View |
| Dec 31, 2025 | Burns Thomas William | Tax Withholding: 1.10K @ $114.24 ($125.44K) | View |
| Dec 15, 2025 | — | — | View |
| Dec 15, 2025 | — | — | View |
| Dec 15, 2025 | Burns Thomas William | Grant/Award: 4.17K shares | View |
| Dec 11, 2025 | Kliman Gilbert H | Exercised 5.00K options @ $24.69/share; sold 5.00K @ $107.27/share ($536.35K) | View |
| Nov 26, 2025 | Thurman Alex R. | Sold 315 @ $105.00/share ($33.08K) | View |
| Nov 20, 2025 | Gilliam Joseph E | Sold 19.34K @ $90.00/share ($1.74M) | View |