Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Gayner Thomas Sinnickson
Over the trailing 90 days, Gayner Thomas Sinnickson (Director at MARKEL GROUP INC.) sold $888K of stock in MKL, per 1 SEC Form 4 transaction.
- Role
- Director
- Companies
- MKL
- Window
- Trailing 90 days · 1 transactions · CIK 1159015
- Net activity
- −$888K ($0 bought · $888K sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| MKL | MARKEL GROUP INC. | 1 | — | $888K | −$888K |
Transactions (1)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-05-15 | MKL | Sell | 482 | $888K | Payment of exercise price or tax liability by delivering securities |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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