Gilliam Joseph E 4
4 · GLAUKOS Corp · Filed Jan 26, 2026
Research Summary
AI-generated summary of this filing
GLAUKOS (GKOS) President Joseph E. Gilliam Exercises Options, Sells Shares
What Happened
- Joseph E. Gilliam, President and Chief Operating Officer of GLAUKOS (GKOS), exercised options on Jan 22, 2026 to acquire 10,498 shares at $55.18 each (total exercise cost $579,280). On the same day he sold 10,498 shares in open market transactions for a combined $1,340,380 (weighted-average prices in the $125.56–$129.81 range).
- The Form 4 also reports disposals of 10,498 shares in connection with the option exercise at $55.18 (totaling $579,280). This is consistent with a sell-to-cover or net settlement related to the exercise. Sales and exercises were carried out under a Rule 10b5-1 trading plan.
Key Details
- Transaction date: January 22, 2026 (filed Jan 26, 2026 — appears timely).
- Exercise: 10,498 shares at $55.18 each = $579,280.
- Open-market sales: 10,498 shares for $1,340,380 (four trades; weighted-average prices reported; trade price ranges per footnotes: $125.56–126.55, $126.62–127.58, $127.83–128.77, $128.98–129.81).
- Derivative disposals: 7,398 and 3,100 shares (total 10,498) at $55.18, totaling $579,280 (reported as derivative transactions).
- Shares owned after the reported transactions: not specified in the provided filing excerpt. Filing notes include 62,605 restricted stock units that have not vested or been delivered.
- Notable footnotes: sales and option exercises were effected pursuant to a Rule 10b5-1 trading plan adopted June 11, 2025; option awards tied to performance goals (grants dated March 24, 2022); weighted-average price details available upon request to the SEC staff.
Context
- The filing shows option exercise and same-day share dispositions — a common pattern where executives exercise options and immediately sell some or all shares to cover exercise costs and/or taxes (often called a sell-to-cover or cashless exercise). The overall activity generated net proceeds from open-market sales (~$1.34M) while the reported derivative disposals match the exercise value ($579k).
- This is a factual report of transactions; it does not by itself indicate the insider’s personal view of the company.
Insider Transaction Report
Form 4
GLAUKOS CorpGKOS
Gilliam Joseph E
PRESIDENT & COO
Transactions
- Exercise/Conversion
Common Stock
[F1]2026-01-22$55.18/sh+10,498$579,280→ 102,864 total - Sale
Common Stock
[F2][F3][F1]2026-01-22$126.10/sh−2,406$303,397→ 100,458 total - Sale
Common Stock
[F2][F4][F1]2026-01-22$127.03/sh−3,100$393,793→ 97,358 total - Sale
Common Stock
[F2][F5][F1]2026-01-22$128.07/sh−1,798$230,270→ 95,560 total - Sale
Common Stock
[F2][F6][F1]2026-01-22$129.28/sh−3,194$412,920→ 92,366 total - Exercise/Conversion
Stock Option (Right to Buy)
[F7][F8]2026-01-22$55.18/sh−7,398$408,222→ 55,013 totalExercise: $55.18Exp: 2032-03-24→ Common Stock (7,398 underlying) - Exercise/Conversion
Stock Option (Right to Buy)
[F7][F9]2026-01-22$55.18/sh−3,100$171,058→ 30,713 totalExercise: $55.18Exp: 2032-03-24→ Common Stock (3,100 underlying)
Footnotes (9)
- [F1]Includes 62,605 restricted stock units that have not yet vested or been delivered to the Reporting Person.
- [F2]The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025.
- [F3]This transaction was executed in multiple trades at prices ranging from $125.56 to $126.55. 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.
- [F4]This transaction was executed in multiple trades at prices ranging from $126.62 to $127.58. 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.
- [F5]This transaction was executed in multiple trades at prices ranging from $127.83 to $128.77. 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.
- [F6]This transaction was executed in multiple trades at prices ranging from $128.98 to $129.81. 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.
- [F7]The option exercises reported in this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025.
- [F8]Represents a portion of an option to purchase shares of common stock previously granted by the Issuer on March 24, 2022, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period.
- [F9]Represents a portion of an option to purchase shares of common stock previously granted by the Issuer to the Reporting Person on March 24, 2022 in connection with his promotion to President and Chief Operating Officer, the vesting of which was subject to the Issuer's achievement of certain multi-year performance goals.
Signature
Diana Scherer, Attorney-in-Fact|2026-01-26