Company · CIK 0001192448 · SIC 3841 — Surgical & Medical Instruments & Apparatus · NYSE
GLAUKOS Corp · GKOS
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 SForm 4 → | Sep 18, 5:32 pm EDT | Tomas NavratilCHIEF DEVELOPMENT OFFICER | 1,457 | $166.92 | $243,204 | 72,433 | −1.97% | 10b5-1 |
| Aug 28, 2026 SForm 4 → | Sep 1, 6:24 pm EDT | Tomas NavratilCHIEF DEVELOPMENT OFFICER | 13,744 | $180.67 | $2,483,104 | 73,890 | −15.7% | |
| Aug 19, 2026 SForm 4 → | Aug 20, 8:11 pm EDT | Gilbert H KlimanDirector | 2,500 | $190.00 | $475,000 | 37,406 | −6.26% | |
| Aug 19, 2026 MForm 4 → | Aug 20, 8:11 pm EDT | Gilbert H KlimanDirector | 2,500 | $25.77 | $64,425 | 39,906 | — | |
| Aug 11, 2026 SForm 4 → | Aug 13, 7:57 pm EDT | Joseph E GilliamPRESIDENT & COO | 60,000 | $179.74 | $10,784,659 | 72,588 | −45.3% | |
| Aug 11, 2026 MForm 4 → | Aug 13, 7:57 pm EDT | Joseph E GilliamPRESIDENT & COO | 60,000 | $52.94 | $3,176,400 | 132,588 | — | |
| Aug 7, 2026 SForm 4 → | Aug 11, 5:31 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 20,000 | $180.13 | $3,602,600 | 43,906 | −31.3% | 10b5-1 |
| Aug 7, 2026 MForm 4 → | Aug 11, 5:31 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 20,000 | $33.81 | $676,200 | 63,906 | — | 10b5-1 |
| Jul 31, 2026 SForm 4 → | Aug 3, 4:41 pm EDT | Leana WenDirector | 525 | $167.63 | $88,006 | 21,092 | −2.43% | |
| Jul 16, 2026 SForm 4 → | Jul 21, 4:26 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | $160.00 | $1,600,000 | 43,906 | −18.6% | 10b5-1 late |
| Jul 16, 2026 MForm 4 → | Jul 21, 4:26 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | $38.68 | $386,800 | 53,906 | — | 10b5-1 late |
| Jul 9, 2026 SForm 4 → | Jul 13, 8:04 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | $155.00 | $1,550,000 | 43,681 | −18.6% | 10b5-1 |
| Jul 9, 2026 MForm 4 → | Jul 13, 8:04 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | $38.68 | $386,800 | 53,681 | — | 10b5-1 |
| Jul 6, 2026 SForm 4 → | Jul 8, 9:13 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | $150.00 | $1,500,000 | 43,681 | −18.6% | 10b5-1 |
| Jul 6, 2026 MForm 4 → | Jul 8, 9:13 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | $38.68 | $386,800 | 53,681 | — | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 8, 8:53 pm EDT | Tomas NavratilCHIEF DEVELOPMENT OFFICER | 716 | $139.06 | $99,567 | 87,634 | −0.81% | 10b5-1 late |
| Jun 25, 2026 FForm 4 → | Jun 29, 6:12 pm EDT | Thomas William BurnsCHAIRMAN & CEO, Director | 4,059 | $142.57 | $578,692 | 68,967 | — | |
| Jun 25, 2026 FForm 4 → | Jun 29, 6:06 pm EDT | Joseph E GilliamPRESIDENT & COO | 1,056 | $142.57 | $150,554 | 72,363 | — | |
| Jun 25, 2026 FForm 4 → | Jun 29, 6:02 pm EDT | Tomas NavratilCHIEF DEVELOPMENT OFFICER | 483 | $142.57 | $68,861 | 88,350 | — | |
| Jun 16, 2026 SForm 4 → | Jun 18, 7:34 pm EDT | Tomas NavratilCHIEF DEVELOPMENT OFFICER | 1,537 | $130.68 | $200,855 | 88,833 | −1.70% | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 MForm 4 → | Aug 20, 8:11 pm EDT | Gilbert H KlimanDirector | 2,500 | — | — | 12,500 | — | |
| Aug 11, 2026 MForm 4 → | Aug 13, 7:57 pm EDT | Joseph E GilliamPRESIDENT & COO | 60,000 | — | — | 26,751 | — | |
| Aug 7, 2026 MForm 4 → | Aug 11, 5:31 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 20,000 | — | — | 0 | — | 10b5-1 |
| Jul 16, 2026 MForm 4 → | Jul 21, 4:26 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | — | — | 10,000 | — | 10b5-1 late |
| Jul 9, 2026 MForm 4 → | Jul 13, 8:04 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | — | — | 10,000 | — | 10b5-1 |
| Jul 6, 2026 MForm 4 → | Jul 8, 9:13 pm EDT | Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER | 10,000 | $38.68 | $386,800 | 20,000 | — | 10b5-1 |
| May 28, 2026 AForm 4/A → | Jun 23, 7:29 pm EDT | Mark J FoleyDirector | 2,987 | — | — | 2,987 | — | |
| May 28, 2026 AForm 4/A → | Jun 23, 7:27 pm EDT | Leana WenDirector | 2,987 | — | — | 2,987 | — | |
| May 28, 2026 AForm 4/A → | Jun 23, 7:26 pm EDT | Marc StapleyDirector | 2,987 | — | — | 2,987 | — | |
| May 28, 2026 AForm 4/A → | Jun 23, 7:25 pm EDT | Aimee S WeisnerDirector | 2,987 | — | — | 2,987 | — | |
| May 28, 2026 AForm 4/A → | Jun 23, 7:24 pm EDT | Gilbert H KlimanDirector | 2,987 | — | — | 2,987 | — | |
| May 28, 2026 AForm 4/A → | Jun 23, 7:22 pm EDT | David F HoffmeisterDirector | 2,987 | — | — | 2,987 | — | |
| May 28, 2026 AForm 4/A → | Jun 23, 7:22 pm EDT | Denice TorresDirector | 2,987 | — | — | 2,987 | — |