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Navratil Tomas insider trades
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Navratil Tomas insider trades

Navratil Tomas has filed 53 Form 4s with the SEC that we hold, all for GLAUKOS Corp (GKOS), as CHIEF DEVELOPMENT OFFICER. Across all of them we count 0 purchases worth $0 and 32 sales worth $4.9M reported on Form 4. In the last 12 months: 0 purchases ($0) and 26 sales ($3.9M). The largest single trade was a sale of 7,643 shares of GLAUKOS Corp worth $1.4M, dated 2026-08-28. Of 17 sales filed since we began reading the 10b5-1 checkbox, 14 (82%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2022-04-05 and the latest 2026-10-07.

GLAUKOS Corp (GKOS)

CHIEF DEVELOPMENT OFFICER · 53 filings · 32 purchases and sales
Trade dateCodeSharesValue as filedFiled
2025-02-14S, sale reported on Form 43,416$502.6K2025-02-19
2025-09-11S, sale reported on Form 43,194$281.0K2025-09-12
2025-09-11S, sale reported on Form 41,948$172.6K2025-09-12
2025-09-22S, sale reported on Form 4218$18.3K2025-09-24
2025-09-22S, sale reported on Form 4276$23.4K2025-09-24
2025-09-22S, sale reported on Form 423$1.9K2025-09-24
2026-03-16S, sale reported on Form 4460$44.8K2026-03-19
2026-03-16S, sale reported on Form 4272$26.9K2026-03-19
2026-03-16S, sale reported on Form 4299$29.4K2026-03-19
2026-04-10S, sale reported on Form 432$3.8K2026-04-14
2026-04-10S, sale reported on Form 4614$73.3K2026-04-14
2026-04-10S, sale reported on Form 41,237$144.4K2026-04-14
2026-04-10S, sale reported on Form 4210$24.7K2026-04-14
2026-06-16S, sale reported on Form 41,537$200.9K2026-06-18
2026-07-01S, sale reported on Form 4716$99.6K2026-07-08
2026-08-28S, sale reported on Form 47,643$1.4M2026-09-01
2026-08-28S, sale reported on Form 46,091$1.1M2026-09-01
2026-08-28S, sale reported on Form 410$1.8K2026-09-01
2026-09-16S, sale reported on Form 4103$16.8K2026-09-18
2026-09-16S, sale reported on Form 4345$56.8K2026-09-18
2026-09-16S, sale reported on Form 4191$31.7K2026-09-18
2026-09-16S, sale reported on Form 4460$77.0K2026-09-18
2026-09-16S, sale reported on Form 4120$20.2K2026-09-18
2026-09-16S, sale reported on Form 4234$40.0K2026-09-18
2026-09-16S, sale reported on Form 44$6882026-09-18
2026-09-25S, sale reported on Form 4167$25.3K2026-09-28
2026-09-25S, sale reported on Form 4136$20.8K2026-09-28
2026-09-25S, sale reported on Form 4229$35.3K2026-09-28
2026-09-25S, sale reported on Form 41,083$167.7K2026-09-28
2026-10-05S, sale reported on Form 4888$145.6K2026-10-07
2026-10-05S, sale reported on Form 4327$53.9K2026-10-07
2026-10-05S, sale reported on Form 4312$51.7K2026-10-07
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1920053) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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