Glaukos Corp (GKOS): Congress and insider trades
Who in Congress and inside the company traded GKOS, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Glaukos Corp (GKOS) is a listed stock on NYSE.
- Insiders filed 0 open market buys worth $0 and 19 sells worth $28M, the latest filed 2026-09-28 (28 September 2026).
- Data as of 2026-09-29 (29 September 2026).
Insider trades in GKOS
as of 2026-09-28| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 28 Sep 2026 | Navratil Tomas | sell | 1,615 | $154.28 | $249K | n/a |
| 1 Sep 2026 | Navratil Tomas | sell | 13,744 | $180.67 | $2.5M | n/a |
| 20 Aug 2026 | Kliman Gilbert H | sell | 2,500 | $190.00 | $475K | n/a |
| 13 Aug 2026 | Gilliam Joseph E | sell | 60,000 | $179.74 | $11M | n/a |
| 11 Aug 2026 | Thurman Alex R. | sell | 20,000 | $180.13 | $3.6M | n/a |
| 3 Aug 2026 | WEN LEANA | sell | 525 | $167.63 | $88.0K | n/a |
| 21 Jul 2026 | Thurman Alex R. | sell | 10,000 | $160.00 | $1.6M | n/a |
| 13 Jul 2026 | Thurman Alex R. | sell | 10,000 | $155.00 | $1.6M | n/a |
| 8 Jul 2026 | Thurman Alex R. | sell | 10,000 | $150.00 | $1.5M | n/a |
| 8 Jul 2026 | Navratil Tomas | sell | 716 | $139.06 | $99.6K | n/a |
| 18 Jun 2026 | Navratil Tomas | sell | 1,537 | $130.68 | $201K | n/a |
| 4 May 2026 | Thurman Alex R. | sell | 10,000 | $140.00 | $1.4M | n/a |
| 4 May 2026 | WEN LEANA | sell | 1,700 | $143.35 | $244K | n/a |
| 4 May 2026 | Gilliam Joseph E | sell | 19,573 | $143.54 | $2.8M | n/a |
| 14 Apr 2026 | Navratil Tomas | sell | 2,093 | $117.62 | $246K | n/a |
| 27 Mar 2026 | Thurman Alex R. | sell | 2,511 | $106.46 | $267K | n/a |
| 25 Mar 2026 | Thurman Alex R. | sell | 1,521 | $105.24 | $160K | n/a |
| 19 Mar 2026 | Navratil Tomas | sell | 1,031 | $98.04 | $101K | n/a |
| 19 Mar 2026 | Thurman Alex R. | sell | 625 | $99.15 | $62.0K | n/a |
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Related pages
Frequently asked questions
Who has bought GKOS?
0 Congress buys by 0 members and 0 insider buys are on file. The tables on this page list every one.
Did buying GKOS after a disclosure beat the market?
No disclosed buy of this stock has matured 90 days yet. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.