Richard Randolph Grinnan
CIK 1343787 · View on SEC EDGAR ↗
First SEC filing: Sept. 7, 2018 · Latest: Sept. 7, 2018
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | MKL | F | 116 | $1844.00 | $213,904 | 4,147 Direct | -2.72% | Disposed | -2.7% (price as of 2026-08-21) |
| Feb. 24, 2026 | MKL | A | 801 | — | — | 4,263 Direct | +23.14% | Acquired | (price as of 2026-08-21) |
| Dec. 2, 2025 | MKL | F | 138 | $2060.83 | $284,395 | 3,463 Direct | -3.83% | Disposed | -13.0% (price as of 2026-08-21) |
| Feb. 18, 2025 | MKL | A | 601 | — | — | 3,601 Direct | +20.03% | Acquired | (price as of 2026-08-21) |
| Dec. 5, 2024 | MKL | F | 133 | $1759.04 | $233,952 | 3,000 Direct | -4.25% | Disposed | 2.0% (price as of 2026-08-21) |
| Feb. 20, 2024 | MKL | A | 187 | — | — | 3,133 Direct | +6.35% | Acquired | (price as of 2026-08-21) |
| Feb. 20, 2024 | MKL | A | 465 | — | — | 2,946 Direct | +18.74% | Acquired | (price as of 2026-08-21) |
| Dec. 5, 2023 | MKL | F | 123 | $1401.29 | $172,359 | 2,481 Direct | -4.72% | Disposed | 28.0% (price as of 2026-08-21) |
| May 16, 2023 | MKL | A | 258 | — | — | 2,604 Direct | +11.00% | Acquired | (price as of 2026-08-21) |
| Feb. 14, 2023 | MKL | A | 306 | — | — | 2,346 Direct | +15.00% | Acquired | (price as of 2026-08-21) |
| Dec. 6, 2022 | MKL | F | 52 | $1315.34 | $68,398 | 2,040 Direct | -2.49% | Disposed | 36.4% (price as of 2026-08-21) |
| Feb. 15, 2022 | MKL | A | 297 | — | — | 2,092 Direct | +16.55% | Acquired | (price as of 2026-08-21) |
| Dec. 7, 2021 | MKL | F | 38 | $1249.50 | $47,481 | 1,795 Direct | -2.07% | Disposed | 43.5% (price as of 2026-08-21) |
| Feb. 23, 2021 | MKL | A | 5 | — | — | 1,833 Direct | +0.27% | Acquired | (price as of 2026-08-21) |
| Feb. 16, 2021 | MKL | A | 323 | — | — | 1,828 Direct | +21.46% | Acquired | (price as of 2026-08-21) |
| Feb. 16, 2021 | MKL | A | 336 | — | — | 1,841 Direct | +22.33% | Acquired | (price as of 2026-08-21) |
| Dec. 8, 2020 | MKL | F | 63 | $1000.03 | $63,002 | 1,505 Direct | -4.02% | Disposed | 79.4% (price as of 2026-08-21) |
| Feb. 18, 2020 | MKL | A | 146 | — | — | 1,568 Direct | +10.27% | Acquired | (price as of 2026-08-21) |
| Dec. 3, 2019 | MKL | F | 47 | $1107.25 | $52,041 | 1,422 Direct | -3.20% | Disposed | 62.0% (price as of 2026-08-21) |
| Feb. 19, 2019 | MKL | A | 124 | $1016.87 | $126,092 | 1,469 Direct | +9.22% | Acquired | 76.4% (price as of 2026-08-21) |
| Dec. 4, 2018 | MKL | F | 49 | $1136.46 | $55,687 | 1,345 Direct | -3.52% | Disposed | 57.8% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
MKL
Chief Legal Officer and Secretary| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $620,000 | — | $1,654,503 | — | $1,054,000 | — | $51,660 | — |
| 2024 | $617,308 | — | $1,126,172 | — | $651,000 | — | $51,210 | — |
| 2023 | $593,269 | — | $1,025,186 | — | $450,000 | — | $49,860 | — |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.