Navratil Tomas's Form 4 filing
GLAUKOS Corp (GKOS) · filed Sep 18, 2026
- Accession no.
- 0001920053-26-000028
- Filed
- Sep 18, 2026, 5:32 PM ET
- Trade date
- Sep 16, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 7 non-derivative transactions. Open-market sales total $243.2K. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Navratil TomasCIK 0001920053 | Officer (CHIEF DEVELOPMENT OFFICER) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | Common Stock | SSaleDisposed | −103 | $163.20F2 | −$16,809.6 | 73,787 | Direct | |
| Sep 16, 2026 | Common Stock | SSaleDisposed | −345 | $164.60F4 | −$56,787 | 73,442 | Direct | |
| Sep 16, 2026 | Common Stock | SSaleDisposed | −191 | $166.20F5 | −$31,744.2 | 73,251 | Direct | |
| Sep 16, 2026 | Common Stock | SSaleDisposed | −460 | $167.32F6 | −$76,967.2 | 72,791 | Direct | |
| Sep 16, 2026 | Common Stock | SSaleDisposed | −120 | $168.38F7 | −$20,205.6 | 72,671 | Direct | |
| Sep 16, 2026 | Common Stock | SSaleDisposed | −234 | $170.95F8 | −$40,002.3 | 72,437 | Direct | |
| Sep 16, 2026 | Common Stock | SSaleDisposed | −4 | $172.00F9 | −$688 | 72,433 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
This transaction was executed in multiple trades at prices ranging from $162.87 to $163.47. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F4
This transaction was executed in multiple trades at prices ranging from $164.40 to $165.26. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F5
This transaction was executed in multiple trades at prices ranging from $165.55 to $166.22. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F6
This transaction was executed in multiple trades at prices ranging from $167.04 to $167.57. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F7
This transaction was executed in multiple trades at prices ranging from $168.37 to $168.38. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F8
This transaction was executed in multiple trades at prices ranging from $170.76 to $171.10. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F9
This transaction was executed in multiple trades at prices ranging from $172.00 to $172.01. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.