Updated Jul 16, 2026
Thurman Alex R. has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $4.94M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-14 | GKOS | GLAUKOS Corp | S — Open-market sale [10b5-1] | 10.0K | $155.00 | $1.55M |
| 2026-07-14 | GKOS | GLAUKOS Corp | M — Option exercise [10b5-1] | 10.0K | $38.68 | $387K |
| 2026-07-09 | GKOS | GLAUKOS Corp | S — Open-market sale | 10.0K | $150.00 | $1.50M |
| 2026-07-09 | GKOS | GLAUKOS Corp | M — Option exercise | 10.0K | $38.68 | $387K |
| 2026-05-04 | GKOS | GLAUKOS Corp | S — Open-market sale | 10.0K | $140.00 | $1.40M |
| 2026-05-04 | GKOS | GLAUKOS Corp | M — Option exercise | 10.0K | $38.68 | $387K |
| 2026-04-04 | GKOS | GLAUKOS Corp | F — Tax withholding / forfeiture | 1.6K | $109.60 | $174K |
| 2026-03-28 | GKOS | GLAUKOS Corp | A — Grant or award [10b5-1] | 3.3K | $0.00 | |
| 2026-03-28 | GKOS | GLAUKOS Corp | S — Open-market sale [10b5-1] | 2.5K | $106.46 | $267K |
| 2026-03-26 | GKOS | GLAUKOS Corp | F — Tax withholding / forfeiture [10b5-1] | 2.0K | $105.23 | $213K |
| 2026-03-26 | GKOS | GLAUKOS Corp | S — Open-market sale [10b5-1] | 1.5K | $105.24 | $160K |
| 2026-03-26 | GKOS | GLAUKOS Corp | F — Tax withholding / forfeiture [10b5-1] | 1.2K | $106.84 | $131K |
| 2026-03-19 | GKOS | GLAUKOS Corp | S — Open-market sale [10b5-1] | 625 | $99.15 | $62K |
| 2026-03-19 | GKOS | GLAUKOS Corp | F — Tax withholding / forfeiture [10b5-1] | 614 | $98.94 | $61K |
| 2025-04-21 | GKOS | GLAUKOS Corp | F — Tax withholding / forfeiture | 2.5K | $97.09 | $241K |
| 2025-04-01 | GKOS | GLAUKOS Corp | F — Tax withholding / forfeiture | 311 | $97.09 | $30K |
Thurman Alex R. is a corporate insider — currently tracked as Insider of GLAUKOS Corp (GKOS). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 6 open-market sales ($4.94M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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