Form 4 for GKOS GLAUKOS Corp
Accepted 2026-01-26 00:00:00 ET · period of report 2026-01-22 · accession 0001539796-26-000004 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-01-26 | 2026-01-22 | GKOS | Stapley Marc | Dir | S - Sale+OE | $127.71 | -15.0K | 48.6K | -24% | -$1.92M |
| D | 2026-01-26 | 2026-01-22 | GKOS | Stapley Marc | Dir | M - OptEx | $24.69 | +15.0K | 52.4K | +40% | +$370.4K |
| D | 2026-01-26 | 2026-01-22 | GKOS | Stapley Marc | Dir | M - OptEx | $0.00 | -15.0K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-22 | S | D | 3,892 | $126.96 | 44,745 | D | — | — | (F4) This transaction was executed in multiple trades at prices ranging from $126.756 to $127.56. 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. (F1) Includes 2,835 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person. |
| 2 | Common | Common Stock | 2026-01-22 | S | D | 1,671 | $127.92 | 43,074 | D | — | — | (F5) This transaction was executed in multiple trades at prices ranging from $127.58 to $128.30. 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. (F1) Includes 2,835 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person. |
| 3 | Common | Common Stock | 2026-01-22 | M | A | 15,000 | $24.69 | 52,449 | D | — | — | (F1) Includes 2,835 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person. |
| 4 | Common | Common Stock | 2026-01-22 | S | D | 1,300 | $129.78 | 37,449 | D | — | — | (F7) This transaction was executed in multiple trades at prices ranging from $129.62 to $130.00. 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. (F1) Includes 2,835 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person. |
| 5 | Common | Common Stock | 2026-01-22 | S | D | 4,325 | $129.11 | 38,749 | D | — | — | (F6) This transaction was executed in multiple trades at prices ranging from $128.59 to $129.59. 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. (F1) Includes 2,835 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person. |
| 6 | Common | Common Stock | 2026-01-22 | S | D | 3,812 | $126.07 | 48,637 | D | — | — | (F3) This transaction was executed in multiple trades at prices ranging from $125.59 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. (F1) Includes 2,835 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person. |
| 7 | Derivative | Stock Option (Right to Buy) | 2026-01-22 | M | D | 15,000 | $0.00 | 0 | D | $24.69 · 2017-06-02 to 2026-06-02 | 15,000 Common Stock |