GKOS Insider Transactions
508 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
GKOS insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Kliman Gilbert H | Director | 2026-08-19 | Sale | 2,500 | $190 |
| Gilliam Joseph E | PRESIDENT & COO | 2026-08-11 | Sale | 32,037 | $180.49 |
| Gilliam Joseph E | PRESIDENT & COO | 2026-08-11 | Sale | 27,963 | $178.89 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2026-08-07 | Sale | 20,000 | $180.13 |
| WEN LEANA | Director | 2026-07-31 | Sale | 525 | $167.63 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2026-07-16 | Sale | 10,000 | $160 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2026-07-09 | Sale | 10,000 | $155 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2026-07-06 | Sale | 10,000 | $150 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-07-01 | Sale | 716 | $139.06 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-06-16 | Sale | 1,537.0 | $130.68 |
| Kliman Gilbert H | Director | 2026-05-14 | Sale | 5,000.0 | $140.76 |
| Kliman Gilbert H | Director | 2026-05-11 | Sale | 5,000.0 | $135.0 |
| WEN LEANA | Director | 2026-05-01 | Sale | 1,700.0 | $143.35 |
| Gilliam Joseph E | PRESIDENT & COO | 2026-05-01 | Sale | 19,573.0 | $143.54 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2026-04-30 | Sale | 10,000.0 | $140.0 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-04-10 | Sale | 32.0 | $120.23 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-04-10 | Sale | 614.0 | $119.35 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-04-10 | Sale | 210.0 | $117.45 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-04-10 | Sale | 1,237.0 | $116.72 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2026-03-25 | Sale | 2,511.0 | $106.46 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2026-03-24 | Sale | 1,521.0 | $105.24 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2026-03-17 | Sale | 625.0 | $99.15 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-03-16 | Sale | 272.0 | $99.05 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-03-16 | Sale | 299.0 | $98.21 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2026-03-16 | Sale | 460.0 | $97.33 |
| WEISNER AIMEE S | Director | 2026-02-19 | Sale | 6,471.0 | $118.56 |
| WEISNER AIMEE S | Director | 2026-02-19 | Sale | 1,134.0 | $117.33 |
| WEISNER AIMEE S | Director | 2026-02-19 | Sale | 5,242.0 | $116.64 |
| WEISNER AIMEE S | Director | 2026-02-19 | Sale | 2,153.0 | $115.69 |
| Gilliam Joseph E | PRESIDENT & COO | 2026-01-22 | Sale | 3,194.0 | $129.28 |
| Gilliam Joseph E | PRESIDENT & COO | 2026-01-22 | Sale | 1,798.0 | $128.07 |
| Gilliam Joseph E | PRESIDENT & COO | 2026-01-22 | Sale | 3,100.0 | $127.03 |
| Gilliam Joseph E | PRESIDENT & COO | 2026-01-22 | Sale | 2,406.0 | $126.1 |
| Stapley Marc | Director | 2026-01-22 | Sale | 1,300.0 | $129.78 |
| Stapley Marc | Director | 2026-01-22 | Sale | 4,325.0 | $129.11 |
| Stapley Marc | Director | 2026-01-22 | Sale | 1,671.0 | $127.92 |
| Stapley Marc | Director | 2026-01-22 | Sale | 3,892.0 | $126.96 |
| Stapley Marc | Director | 2026-01-22 | Sale | 3,812.0 | $126.07 |
| Gilliam Joseph E | PRESIDENT & COO | 2026-01-21 | Sale | 4,502.0 | $124.65 |
| Burns Thomas William | CHAIRMAN & CEO | 2026-01-16 | Sale | 186,945.0 | $115.0 |
| Burns Thomas William | CHAIRMAN & CEO | 2026-01-08 | Sale | 88,055.0 | $115.0 |
| Kliman Gilbert H | Director | 2025-12-09 | Sale | 5,000.0 | $107.27 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2025-11-25 | Sale | 315.0 | $105.0 |
| Gilliam Joseph E | PRESIDENT & COO | 2025-11-18 | Sale | 19,340.0 | $90.0 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2025-09-22 | Sale | 276.0 | $84.7 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2025-09-22 | Sale | 218.0 | $83.76 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2025-09-22 | Sale | 23.0 | $82.79 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2025-09-11 | Sale | 1,948.0 | $88.61 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2025-09-11 | Sale | 3,194.0 | $87.98 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2025-03-25 | Sale | 31.0 | $108.14 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2025-03-25 | Sale | 430.0 | $107.44 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2025-03-25 | Sale | 1,059.0 | $106.56 |
| Foley Mark J | Director | 2025-02-26 | Sale | 20,687.0 | $120.72 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 2025-02-14 | Sale | 3,416.0 | $147.14 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-12-20 | Sale | 1,292.0 | $150.35 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-12-20 | Sale | 2,036.0 | $149.54 |
| Kliman Gilbert H | Director | 2024-12-20 | Sale | 10,000.0 | $150.28 |
| Kliman Gilbert H | Director | 2024-12-11 | Sale | 2,000.0 | $144.01 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-10-30 | Sale | 2,275.0 | $138.97 |
| Kliman Gilbert H | Director | 2024-09-09 | Sale | 1,000.0 | $130.0 |
| Kliman Gilbert H | Director | 2024-09-09 | Sale | 2,000.0 | $131.0 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-08-21 | Sale | 580.0 | $130.03 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-08-21 | Sale | 4,420.0 | $129.27 |
| Stapley Marc | Director | 2024-08-15 | Sale | 581.0 | $126.91 |
| Stapley Marc | Director | 2024-08-15 | Sale | 3,959.0 | $126.27 |
| Stapley Marc | Director | 2024-08-15 | Sale | 1,110.0 | $125.28 |
| Stapley Marc | Director | 2024-08-15 | Sale | 600.0 | $123.98 |
| WEISNER AIMEE S | Director | 2024-08-08 | Sale | 25,000.0 | $120.0 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-07-05 | Sale | 2,250.0 | $121.39 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-06-03 | Sale | 190.0 | $114.73 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-06-03 | Sale | 936.0 | $114.22 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-06-03 | Sale | 1,374.0 | $112.84 |
| Kliman Gilbert H | Director | 2024-05-30 | Sale | 5,000.0 | $112.0 |
| Stapley Marc | Director | 2024-05-15 | Sale | 2,000.0 | $113.68 |
| Stapley Marc | Director | 2024-05-15 | Sale | 2,200.0 | $112.91 |
| Stapley Marc | Director | 2024-05-15 | Sale | 2,050.0 | $111.82 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-05-10 | Sale | 2,395.0 | $110.56 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-05-10 | Sale | 37.0 | $111.22 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-05-10 | Sale | 316.0 | $110.43 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-05-06 | Sale | 105.0 | $110.36 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-05-06 | Sale | 90.0 | $110.26 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-05-02 | Sale | 42.0 | $107.77 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-05-02 | Sale | 65.0 | $106.58 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-05-02 | Sale | 335.0 | $105.25 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-05-02 | Sale | 165.0 | $107.58 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-05-02 | Sale | 577.0 | $106.39 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-05-02 | Sale | 672.0 | $105.31 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-05-02 | Sale | 645.0 | $104.43 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-04-08 | Sale | 86.0 | $102.13 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-04-08 | Sale | 8,191.0 | $101.28 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-04-08 | Sale | 41,068.0 | $100.52 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-04-08 | Sale | 10,456.0 | $99.64 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-04-08 | Sale | 1,227.0 | $100.46 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-04-08 | Sale | 145.0 | $101.24 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-04-05 | Sale | 27.0 | $97.4 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-04-05 | Sale | 217.0 | $96.62 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-04-05 | Sale | 18.0 | $95.55 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-04-05 | Sale | 2,457.0 | $96.81 |
| Gilliam Joseph E | PRESIDENT & COO | 2024-04-04 | Sale | 200.0 | $96.57 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 2024-04-04 | Sale | 158.0 | $95.16 |