GKOSGLAUKOS Corp
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-01.
Insider buys (90d)
$0.00
Insider sells (90d)
$22.38M
Net flow
$-22.38M
Filings
13
Buy transactions
0
Sell transactions
13
Distinct insiders
6
Last close (cached)
$170.38
as of 2026-09-10
1d return
-5.2%
5d return
-5.1%
1m return
-6.4%
Top insiders trading GKOS (90d)
Recent transactions (25)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-01 | 2026-08-28 | Navratil Tomas | Sale | 10 | $182.50 | $1.8K | open → |
| 2026-09-01 | 2026-08-28 | Navratil Tomas | Sale | 6,091 | $181.19 | $1.10M | open → |
| 2026-09-01 | 2026-08-28 | Navratil Tomas | Sale | 7,643 | $180.25 | $1.38M | open → |
| 2026-08-21 | 2026-08-19 | Kliman Gilbert H | Sale | 2,500 | $190.00 | $475.0K | open → |
| 2026-08-21 | 2026-08-19 | Kliman Gilbert H | Exer. | 2,500 | $25.77 | $64.4K | open → |
| 2026-08-13 | 2026-08-11 | Gilliam Joseph E | Sale | 32,037 | $180.49 | $5.78M | open → |
| 2026-08-13 | 2026-08-11 | Gilliam Joseph E | Sale | 27,963 | $178.89 | $5.00M | open → |
| 2026-08-13 | 2026-08-11 | Gilliam Joseph E | Exer. | 10,000 | $48.46 | $484.6K | open → |
| 2026-08-13 | 2026-08-11 | Gilliam Joseph E | Exer. | 20,000 | $55.18 | $1.10M | open → |
| 2026-08-13 | 2026-08-11 | Gilliam Joseph E | Exer. | 20,000 | $55.18 | $1.10M | open → |
| 2026-08-13 | 2026-08-11 | Gilliam Joseph E | Exer. | 10,000 | $48.46 | $484.6K | open → |
| 2026-08-11 | 2026-08-07 | Thurman Alex R. | Sale | 20,000 | $180.13 | $3.60M | open → |
| 2026-08-11 | 2026-08-07 | Thurman Alex R. | Exer. | 20,000 | $33.81 | $676.2K | open → |
| 2026-08-03 | 2026-07-31 | WEN LEANA | Sale | 525 | $167.63 | $88.0K | open → |
| 2026-07-21 | 2026-07-16 | Thurman Alex R. | Sale | 10,000 | $160.00 | $1.60M | open → |
| 2026-07-21 | 2026-07-16 | Thurman Alex R. | Exer. | 10,000 | $38.68 | $386.8K | open → |
| 2026-07-14 | 2026-07-09 | Thurman Alex R. | Sale | 10,000 | $155.00 | $1.55M | open → |
| 2026-07-14 | 2026-07-09 | Thurman Alex R. | Exer. | 10,000 | $38.68 | $386.8K | open → |
| 2026-07-09 | 2026-07-06 | Thurman Alex R. | Sale | 10,000 | $150.00 | $1.50M | open → |
| 2026-07-09 | 2026-07-06 | Thurman Alex R. | Exer. | 10,000 | $38.68 | $386.8K | open → |
| 2026-07-09 | 2026-07-01 | Navratil Tomas | Sale | 716 | $139.06 | $99.6K | open → |
| 2026-06-29 | 2026-06-25 | Burns Thomas William | Tax | 4,059 | $142.57 | $578.7K | open → |
| 2026-06-29 | 2026-06-25 | Gilliam Joseph E | Tax | 1,056 | $142.57 | $150.6K | open → |
| 2026-06-29 | 2026-06-25 | Navratil Tomas | Tax | 483 | $142.57 | $68.9K | open → |
| 2026-06-18 | 2026-06-16 | Navratil Tomas | Sale | 1,537 | $130.68 | $200.9K | open → |
Other tickers these insiders trade
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