Burns Thomas William's Form 4 filing
GLAUKOS Corp (GKOS) · filed Jan 20, 2026
- Accession no.
- 0001644557-26-000002
- Filed
- Jan 20, 2026
- Trade date
- Jan 8-16, 2026
- Filing delay
- 12 daysLate
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $31.6M. It was filed 12 days after the trade, past the 2-business-day deadline.
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 |
|---|---|
| Burns Thomas WilliamCIK 0001644557 | Director, Officer (CHAIRMAN & CEO) |
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 |
|---|---|---|---|---|---|---|---|---|
| Jan 8, 2026 | Common Stock | MOption exerciseAcquired | +88,055 | $16.49 | +$1,452,026.95 | 241,830 | Direct | |
| Jan 8, 2026 | Common Stock | SSaleDisposed | −88,055 | $115.00 | −$10,126,325 | 153,775 | Direct | |
| Jan 16, 2026 | Common Stock | MOption exerciseAcquired | +186,945 | $16.49 | +$3,082,723.05 | 340,720 | Direct | |
| Jan 16, 2026 | Common Stock | SSaleDisposed | −186,945 | $115.00 | −$21,498,675 | 153,775 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Jan 8, 2026 | Common Stock | MOption exerciseDisposed | −88,055 | $0.00 | $0 | 186,945 | Direct | |
| Jan 16, 2026 | Common Stock | MOption exerciseDisposed | −186,945 | $0.00 | $0 | 0 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.