GAYNER THOMAS SINNICKSON — SEC Form 4 filings
SEC reporting owner CIK 1159015. 14 Form 4 filings on record with FilingPulse; latest filed 2026-05-19.
Transaction summary — filings shown
Covers all 14 filings on record, filed 2024-02-05 to 2026-05-19. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 4 legs across 4 filings — 400 shares, $571,577 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: purchase of 100 shares @ $2,008.01 ($200,801) in MARKEL GROUP INC., filed 2025-02-07.
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 |
|---|---|---|---|---|---|
| MARKEL GROUP INC. (MKL) | Chief Executive Officer, Director | 10 | 3 legs · 300 sh · $497,247 | — | 7 |
| Graham Holdings Co (GHC) | Director | 1 | 1 leg · 100 sh · $74,330 | — | — |
| COCA COLA CO (KO) | Director | 3 | — | — | 3 |
Form 4 filings — GAYNER THOMAS SINNICKSON
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-19 | 4 | MARKEL GROUP INC. (MKL) | Tax withholding (F): 481.67 @ $1,844 | EDGAR |
| 2026-04-03 | 4 | COCA COLA CO (KO) | Grant/award (A): 3,825.35 (derivative) @ $75.81 | EDGAR |
| 2026-02-26 | 4 | MARKEL GROUP INC. (MKL) | Grant/award (A): 4,483.62 @ $0 | EDGAR |
| 2025-12-03 | 4 | MARKEL GROUP INC. (MKL) | Tax withholding (F): 36.61 @ $2,060.83 | EDGAR |
| 2025-04-03 | 4 | COCA COLA CO (KO) | Grant/award (A): 4,053.11 (derivative) @ $71.55 | EDGAR |
| 2025-02-20 | 4 | MARKEL GROUP INC. (MKL) | Grant/award (A): 3,349.83 @ $0 | EDGAR |
| 2025-02-07 | 4 | MARKEL GROUP INC. (MKL) | Purchase (P): 100 @ $2,008.01 | EDGAR |
| 2024-12-09 | 4 | MARKEL GROUP INC. (MKL) | Tax withholding (F): 45 @ $1,759.04 | EDGAR |
| 2024-11-05 | 4 | MARKEL GROUP INC. (MKL) | Purchase (P): 100 @ $1,549.72 | EDGAR |
| 2024-09-13 | 4 | Graham Holdings Co (GHC) | Purchase (P): 100 @ $743.30 | EDGAR |
| 2024-04-03 | 4 | COCA COLA CO (KO) | Grant/award (A): 4,756.44 (derivative) @ $60.97 | EDGAR |
| 2024-02-27 | 4 | MARKEL GROUP INC. (MKL) | Grant/award (A): 1,041 @ $0 | EDGAR |
| 2024-02-22 | 4 | MARKEL GROUP INC. (MKL) | Grant/award (A): 2,710 @ $0 | EDGAR |
| 2024-02-05 | 4 | MARKEL GROUP INC. (MKL) | Purchase (P): 100 @ $1,414.74 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1159015 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →