Burns Thomas William — SEC Form 4 filings
SEC reporting owner CIK 1644557. 35 Form 4 filings on record with FilingPulse; latest filed 2026-06-29.
Transaction summary — filings shown
Covers all 35 filings on record, filed 2024-01-10 to 2026-06-29. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 10 legs across 2 filings — 335,115 shares, $36,587,695 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 73.
- Largest priced transaction: sale of 186,945 shares @ $115.00 ($21,498,675) in GLAUKOS Corp, filed 2026-01-20.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| GLAUKOS Corp (GKOS) | CHAIRMAN & CEO, Director | 32 | — | 10 legs · 335,115 sh · $36,587,695 | 70 |
| Pulmonx Corp (LUNG) | Director | 3 | — | — | 3 |
Form 4 filings — Burns Thomas William
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-29 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 4,059 @ $142.57 | EDGAR |
| 2026-06-09 | 4 | Pulmonx Corp (LUNG) | Grant/award (A): 40,000 @ $0 | EDGAR |
| 2026-04-03 | 4 | GLAUKOS Corp (GKOS) | Gift (G): 180,308 @ $0 · Gift (G): 180,308 @ $0 · Tax withholding (F): 2,469 @ $109.60 · Tax withholding (F): 7,468 @ $109.60 | EDGAR |
| 2026-03-27 | 4 | GLAUKOS Corp (GKOS) | Grant/award (A): 9,380 @ $0 · Grant/award (A): 14,184 @ $0 · Grant/award (A): 18,933 (derivative) @ $18,933 · Grant/award (A): 110,254 (derivative) @ $110,254 · Grant/award (A): 98,474 (derivative) @ $98,474 | EDGAR |
| 2026-03-25 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 2,744 @ $105.23 | EDGAR |
| 2026-03-19 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 2,801 @ $98.94 | EDGAR |
| 2026-03-17 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 5,212 @ $97.02 | EDGAR |
| 2026-03-09 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 1,098 @ $112.10 | EDGAR |
| 2026-02-26 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 4,059 @ $119.17 | EDGAR |
| 2026-02-10 | 4 | GLAUKOS Corp (GKOS) | Gift (G): 67,353 @ $0 · Gift (G): 67,353 @ $0 · Option exercise (M): 166,000 @ $30.92 · Option exercise (M): 166,000 (derivative) @ $0 | EDGAR |
| 2026-01-20 | 4 | GLAUKOS Corp (GKOS) | Option exercise (M): 88,055 @ $16.49 · Sale (S): 88,055 @ $115 · Option exercise (M): 186,945 @ $16.49 · Sale (S): 186,945 @ $115 · Option exercise (M): 88,055 (derivative) @ $0 · Option exercise (M): 186,945 (derivative) @ $0 | EDGAR |
| 2025-12-31 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 1,098 @ $114.24 | EDGAR |
| 2025-12-15 | 4 | GLAUKOS Corp (GKOS) | Grant/award (A): 4,168 @ $0 · Grant/award (A): 8,416 (derivative) @ $0 | EDGAR |
| 2025-09-24 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 4,059 @ $84.69 | EDGAR |
| 2025-09-22 | 4 | GLAUKOS Corp (GKOS) | Grant/award (A): 15,417 @ $0 · Tax withholding (F): 1,098 @ $83.47 | EDGAR |
| 2025-06-04 | 4 | Pulmonx Corp (LUNG) | Grant/award (A): 37,153 @ $0 | EDGAR |
| 2025-05-28 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 4,059 @ $96.97 | EDGAR |
| 2025-05-09 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 1,098 @ $88.24 | EDGAR |
| 2025-04-23 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 7,957 @ $97.09 | EDGAR |
| 2025-04-02 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 1,098 @ $98.42 · Tax withholding (F): 4,059 @ $97.09 | EDGAR |
| 2025-03-27 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 1,971 @ $107.61 · Tax withholding (F): 7,468 @ $96.60 | EDGAR |
| 2025-03-17 | 4 | GLAUKOS Corp (GKOS) | Grant/award (A): 15,418 @ $0 · Grant/award (A): 14,183 @ $0 · Grant/award (A): 15,113 @ $0 · Grant/award (A): 39,596 @ $0 · Tax withholding (F): 2,013 @ $102.19 · Grant/award (A): 24,102 (derivative) @ $0 | EDGAR |
| 2025-01-02 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 4,059 @ $138.93 · Tax withholding (F): 1,098 @ $145.14 · Grant/award (A): 4,168 @ $0 · Tax withholding (F): 549 @ $151.16 · Grant/award (A): 8,416 (derivative) @ $0 | EDGAR |
| 2024-10-16 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 1,098 @ $130.07 | EDGAR |
| 2024-09-23 | 4 | GLAUKOS Corp (GKOS) | Grant/award (A): 8,336 @ $0 · Grant/award (A): 16,832 (derivative) @ $0 | EDGAR |
| 2024-08-08 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 1,057 @ $120.73 | EDGAR |
| 2024-06-26 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 529 @ $93.57 · Tax withholding (F): 529 @ $92.69 | EDGAR |
| 2024-06-05 | 4 | Pulmonx Corp (LUNG) | Grant/award (A): 15,216 @ $0 | EDGAR |
| 2024-04-03 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 3,907 @ $93.10 | EDGAR |
| 2024-04-01 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 3,808 @ $87 · Tax withholding (F): 2,641 @ $88.72 | EDGAR |
| 2024-03-27 | 4/A | GLAUKOS Corp (GKOS) | Grant/award (A): 37,359 (derivative) @ $0 | EDGAR |
| 2024-03-27 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 1,057 @ $87.16 · Tax withholding (F): 529 @ $93.23 | EDGAR |
| 2024-03-18 | 4 | GLAUKOS Corp (GKOS) | Grant/award (A): 2,084 @ $0 · Grant/award (A): 15,418 @ $0 · Grant/award (A): 21,275 @ $0 · Grant/award (A): 4,208 (derivative) @ $0 · Grant/award (A): 56,404 (derivative) @ $0 · Grant/award (A): 36,891 (derivative) @ $0 | EDGAR |
| 2024-01-16 | 4 | GLAUKOS Corp (GKOS) | Tax withholding (F): 397 @ $77.08 | EDGAR |
| 2024-01-10 | 4 | GLAUKOS Corp (GKOS) | Option exercise (M): 60,000 @ $7.28 · Sale (S): 2,314 @ $80.65 · Sale (S): 12,614 @ $81.50 · Sale (S): 23,299 @ $82.38 · Sale (S): 17,873 @ $83.38 · Sale (S): 3,900 @ $84.21 · +6 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-10 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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