Navratil Tomas
SEC CIK 1920053 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| GKOS | GLAUKOS Corp | Chief Development Off | 72.4K | — | $4.37M | 58 | 2022-04-01 | 2026-09-16 |
Most active insiders at GKOS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Burns Thomas William | COB, CEO, Dir | — | $31.62M |
| 2 | Gilliam Joseph E | Pres, COO | — | $17.24M |
| 3 | Thurman Alex R. | SVP, CFO | — | $10.18M |
| 4 | Navratil Tomas | Chief DEVELOPMENT Off | — | $3.37M |
| 5 | Kliman Gilbert H | Dir | — | $2.39M |
| 6 | Stapley Marc | Dir | — | $1.92M |
| 7 | WEISNER AIMEE S | Dir | — | $1.76M |
| 8 | WEN LEANA | Dir | — | $331.7K |
| 9 | Torres Denice | Dir | — | — |
| 10 | Foley Mark J | Dir | — | — |
Transactions 58
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-18 17:32 | 2026-09-16 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $166.92 | -1,457 | 72.4K | -2% | -$243.2K |
| M | 2026-09-01 18:24 | 2026-08-28 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $180.67 | -13.7K | 73.9K | -16% | -$2.48M |
| T | 2026-07-08 20:53 | 2026-07-01 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $139.06 | -716 | 87.6K | -0.8% | -$99.6K |
| 2026-06-29 18:02 | 2026-06-25 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $142.57 | -483 | 88.3K | -0.5% | -$68.9K | |
| T | 2026-06-18 19:34 | 2026-06-16 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $130.68 | -1,537 | 88.8K | -2% | -$200.9K |
| MT | 2026-04-14 16:07 | 2026-04-10 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $117.62 | -2,093 | 90.4K | -2% | -$246.2K |
| M | 2026-04-03 21:25 | 2026-04-02 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $109.60 | -2,977 | 92.5K | -3% | -$326.3K |
| 2026-04-02 19:18 | 2026-03-31 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $109.60 | -5,798 | 95.4K | -6% | -$635.5K | |
| M | 2026-03-27 | 2026-03-25 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +32.8K | 101.2K | +48% | $0 |
| M | 2026-03-25 | 2026-03-23+ | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $106.05 | -5,174 | 71.0K | -7% | -$548.7K |
| M | 2026-03-19 | 2026-03-16 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $98.04 | -1,031 | 73.9K | -1% | -$101.1K |
| 2026-03-19 | 2026-03-16 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $98.94 | -958 | 74.7K | -1% | -$94.8K | |
| 2026-03-17 | 2026-03-13 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $97.02 | -1,074 | 75.6K | -1% | -$104.2K | |
| 2026-03-09 | 2026-03-05 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $112.10 | -361 | 76.7K | -0.5% | -$40.5K | |
| 2026-02-26 | 2026-02-24 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $119.17 | -396 | 77.1K | -0.5% | -$47.2K | |
| 2025-12-31 | 2025-12-30 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $114.24 | -510 | 77.5K | -0.7% | -$58.3K | |
| 2025-12-15 | 2025-12-11 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +2,054 | 78.0K | +3% | $0 | |
| M | 2025-09-24 | 2025-09-22 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $84.22 | -517 | 76.9K | -0.7% | -$43.5K |
| 2025-09-24 | 2025-09-23 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $84.69 | -483 | 75.9K | -0.6% | -$40.9K | |
| 2025-09-22 | 2025-09-19 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $83.47 | -510 | 76.9K | -0.7% | -$42.6K | |
| 2025-09-22 | 2025-09-18 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +1,948 | 77.4K | +3% | $0 | |
| M | 2025-09-12 | 2025-09-11 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $88.22 | -5,142 | 75.5K | -6% | -$453.6K |
| 2025-05-28 | 2025-05-27 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $96.97 | -483 | 80.6K | -0.6% | -$46.8K | |
| 2025-05-09 | 2025-05-07 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $88.24 | -510 | 81.1K | -0.6% | -$45.0K | |
| M | 2025-04-02 | 2025-03-31+ | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $97.77 | -994 | 82.1K | -1% | -$97.2K |
| M | 2025-03-27 | 2025-03-25 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $104.71 | -6,942 | 84.4K | -8% | -$726.9K |
| 2025-03-17 | 2025-03-17 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $102.19 | -958 | 89.5K | -1% | -$97.9K | |
| M | 2025-03-17 | 2025-03-13 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +18.1K | 74.4K | +32% | $0 |
| 2025-02-19 | 2025-02-14 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $147.14 | -3,416 | 72.4K | -5% | -$502.6K | |
| 2025-01-08 | 2025-01-06 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $149.68 | -1,185 | 75.9K | -2% | -$177.4K | |
| M | 2025-01-02 | 2024-12-20+ | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $143.96 | -1,248 | 77.0K | -2% | -$179.7K |
| 2025-01-02 | 2024-12-30 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +2,054 | 77.3K | +3% | $0 | |
| 2024-10-16 | 2024-10-15 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $130.07 | -510 | 76.2K | -0.7% | -$66.3K | |
| 2024-09-23 | 2024-09-19 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +4,108 | 76.7K | +6% | $0 | |
| 2024-08-08 | 2024-08-06 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $120.73 | -520 | 72.6K | -0.7% | -$62.8K | |
| M | 2024-06-26 | 2024-06-24 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $93.13 | -520 | 73.2K | -0.7% | -$48.4K |
| 2024-04-03 | 2024-04-01 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $93.10 | -494 | 73.7K | -0.7% | -$46.0K | |
| M | 2024-04-01 | 2024-03-28 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $88.41 | -5,021 | 76.8K | -6% | -$443.9K |
| 2024-03-27 | 2024-03-25 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $87.16 | -459 | 79.2K | -0.6% | -$40.0K | |
| M | 2024-03-18 | 2024-03-14 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +14.1K | 68.6K | +26% | $0 |
| 2024-01-16 | 2024-01-12 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $77.08 | -1,209 | 65.6K | -2% | -$93.2K | |
| 2023-12-12 | 2023-12-08 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +1,027 | 66.8K | +2% | $0 | |
| 2023-12-12 | 2023-11-10 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $68.83 | -509 | 65.8K | -0.8% | -$35.0K | |
| 2023-09-18 | 2023-09-14 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +2,052 | 66.3K | +3% | $0 | |
| 2023-09-12 | 2023-09-08 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $74.72 | -483 | 64.2K | -0.7% | -$36.1K | |
| 2023-05-05 | 2023-05-04 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $49.31 | -178 | 64.7K | -0.3% | -$8,777 | |
| 2023-04-19 | 2023-04-17 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $48.69 | -445 | 64.9K | -0.7% | -$21.7K | |
| 2023-04-10 | 2023-04-06 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $49.51 | -338 | 65.3K | -0.5% | -$16.7K | |
| 2023-03-28 | 2023-03-24 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $49.35 | -1,776 | 65.7K | -3% | -$87.6K | |
| M | 2023-03-24 | 2023-03-22 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +27.0K | 63.9K | +73% | $0 |
| 2023-03-02 | 2023-03-01 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $48.51 | -178 | 40.5K | -0.4% | -$8,635 | |
| 2023-02-15 | 2023-02-15 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $50.26 | -356 | 40.7K | -0.9% | -$17.9K | |
| M | 2023-01-30 | 2023-01-11+ | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $44.33 | -2,929 | 41.0K | -7% | -$129.8K |
| 2022-12-19 | 2022-12-15 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +5,135 | 43.9K | +13% | $0 | |
| 2022-12-05 | 2022-09-15 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | A - Grant | $0.00 | +1,949 | 39.1K | +5% | $0 | |
| 2022-12-05 | 2022-11-25 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $53.41 | -338 | 38.8K | -0.9% | -$18.1K | |
| 2022-04-21 | 2022-04-19 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief Development Off | F - Tax | $60.47 | -338 | 37.2K | -0.9% | -$20.4K | |
| 2022-04-05 | 2022-04-01 | GKOS | GLAUKOS Corp | Navratil Tomas | Chief Development Off | F - Tax | $60.78 | -337 | 37.5K | -0.9% | -$20.5K |
Purchase Sale Sale after option exercise All abbreviations