Navratil Tomas - Insider Non-Derivative Transactions at GLAUKOS Corp (GKOS) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 30, 2025, Navratil Tomas's relationship to GLAUKOS Corp (GKOS) is Officer (CHIEF DEVELOPMENT OFFICER), and currently has 77,451 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other GKOS insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Navratil Tomas - Insider Non-Derivative Transactions of GKOS Common Stock
Navratil Tomas - Insider Non-Derivative Transactions at GKOS
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 31, 2025 | F -- (Common Stock) | 510 | 114.24 | 77451 |
| Dec 12, 2025 | Acquisition -- (Common Stock) | 2054 | 0 | 77961 |
| Sep 24, 2025 | F -- (Common Stock) | 483 | 84.69 | 75907 |
| Sep 23, 2025 | Sell -- (Common Stock) | 276 | 84.7 | 76390 |
| Sep 23, 2025 | Sell -- (Common Stock) | 218 | 83.76 | 76666 |
| Sep 23, 2025 | Sell -- (Common Stock) | 23 | 82.79 | 76884 |
| Sep 20, 2025 | F -- (Common Stock) | 510 | 83.47 | 76907 |
| Sep 19, 2025 | Acquisition -- (Common Stock) | 1948 | 0 | 77417 |
| Sep 12, 2025 | Sell -- (Common Stock) | 1948 | 88.61 | 75469 |
| Sep 12, 2025 | Sell -- (Common Stock) | 3194 | 87.98 | 77417 |
| May 28, 2025 | F -- (Common Stock) | 483 | 96.97 | 80611 |
| May 8, 2025 | F -- (Common Stock) | 510 | 88.24 | 81094 |
| Apr 2, 2025 | F -- (Common Stock) | 484 | 97.09 | 81604 |
| Apr 1, 2025 | F -- (Common Stock) | 510 | 98.42 | 82088 |
| Mar 26, 2025 | F -- (Common Stock) | 1830 | 96.6 | 82598 |
| Mar 26, 2025 | F -- (Common Stock) | 5112 | 107.61 | 84428 |
| Mar 18, 2025 | F -- (Common Stock) | 958 | 102.19 | 89540 |
| Mar 14, 2025 | Acquisition -- (Common Stock) | 1948 | 0 | 74385 |
| Mar 14, 2025 | Acquisition -- (Common Stock) | 3691 | 0 | 78076 |
| Mar 14, 2025 | Acquisition -- (Common Stock) | 12422 | 0 | 90498 |
| Feb 15, 2025 | Sell -- (Common Stock) | 3416 | 147.14 | 72437 |
| Jan 7, 2025 | F -- (Common Stock) | 1185 | 149.68 | 75853 |
| Jan 1, 2025 | F -- (Common Stock) | 255 | 151.16 | 77038 |
| Dec 31, 2024 | Acquisition -- (Common Stock) | 2054 | 0 | 77293 |
| Dec 21, 2024 | F -- (Common Stock) | 484 | 138.93 | 75239 |
| Dec 21, 2024 | F -- (Common Stock) | 509 | 145.14 | 75723 |
| Oct 16, 2024 | F -- (Common Stock) | 510 | 130.07 | 76232 |
| Sep 20, 2024 | Acquisition -- (Common Stock) | 4108 | 0 | 76742 |
| Aug 7, 2024 | F -- (Common Stock) | 520 | 120.73 | 72634 |
| Jun 25, 2024 | F -- (Common Stock) | 260 | 92.69 | 73154 |
| Jun 25, 2024 | F -- (Common Stock) | 260 | 93.57 | 73414 |
| Apr 2, 2024 | F -- (Common Stock) | 494 | 93.1 | 73674 |
| Mar 29, 2024 | F -- (Common Stock) | 2603 | 88.72 | 74168 |
| Mar 29, 2024 | F -- (Common Stock) | 2418 | 88.08 | 76771 |
| Mar 26, 2024 | F -- (Common Stock) | 459 | 87.16 | 79189 |
| Mar 15, 2024 | Acquisition -- (Common Stock) | 1950 | 0 | 67546 |
| Mar 15, 2024 | Acquisition -- (Common Stock) | 1027 | 0 | 68573 |
| Mar 15, 2024 | Acquisition -- (Common Stock) | 11075 | 0 | 79648 |
| Jan 13, 2024 | F -- (Common Stock) | 1209 | 77.08 | 65596 |
| Dec 9, 2023 | Acquisition -- (Common Stock) | 1027 | 0 | 66805 |
| Nov 11, 2023 | F -- (Common Stock) | 509 | 68.83 | 65778 |
| Sep 15, 2023 | Acquisition -- (Common Stock) | 2052 | 0 | 66287 |
| Sep 9, 2023 | F -- (Common Stock) | 483 | 74.72 | 64235 |
| May 5, 2023 | F -- (Common Stock) | 178 | 49.31 | 64718 |
| Apr 18, 2023 | F -- (Common Stock) | 445 | 48.69 | 64896 |
| Apr 7, 2023 | F -- (Common Stock) | 338 | 49.51 | 65341 |
| Mar 25, 2023 | F -- (Common Stock) | 1776 | 49.35 | 65679 |
| Mar 23, 2023 | Acquisition -- (Common Stock) | 23387 | 0 | 63861 |
| Mar 23, 2023 | Acquisition -- (Common Stock) | 3594 | 0 | 67455 |
| Mar 2, 2023 | F -- (Common Stock) | 178 | 48.51 | 40474 |
| Feb 16, 2023 | F -- (Common Stock) | 356 | 50.26 | 40652 |
| Jan 27, 2023 | F -- (Common Stock) | 356 | 46.15 | 41008 |
| Jan 27, 2023 | F -- (Common Stock) | 885 | 43.88 | 41364 |
| Jan 12, 2023 | F -- (Common Stock) | 389 | 45.17 | 42249 |
| Jan 12, 2023 | F -- (Common Stock) | 1299 | 43.88 | 42638 |
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