// company-profile
GLAUKOS Corp
GKOS// activity-summary
Recent insider activity is bullish. Over the last 30 days, 16 insiders purchased shares (net $741K). Buying was led by Hoffmeister David F.
// 90-day insight
Over the last 90 days, GLAUKOS Corp insiders bought $1.6M (21 transactions) and sold $7.0M (11 transactions).
- Most active insider: Kliman Gilbert H with 8 transactions totaling $1.9M.
- Largest single sale: $2.8M by Gilliam Joseph E on May 1, 2026.
- 35% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of GLAUKOS Corp as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 16, 2026 | Navratil Tomas | GKOS | Sale10b5 | 1,537 | $130.68 | $201K |
| May 28, 2026 | Kliman Gilbert H | GKOS | Award | 1,878 | $0.00 | $0K |
| May 28, 2026 | WEISNER AIMEE S | GKOS | Award | 2,987 | $0.00 | $0K |
| May 28, 2026 | Torres Denice | GKOS | Award | 2,987 | $0.00 | $0K |
| May 28, 2026 | WEISNER AIMEE S | GKOS | Award | 1,878 | $0.00 | $0K |
45 more transactions hidden
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