William E. Martin III
CIK 1949513 · View on SEC EDGAR ↗
First SEC filing: Oct. 19, 2022 · Latest: Oct. 19, 2022
On this page
Insider at
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 17, 2022 | MRVI | A | 240,038 | — | — | 240,038 Direct | — | Acquired | (price as of 2026-08-19) |
| Oct. 17, 2022 | MRVI | A | 403,946 | — | — | 403,946 Direct | — | Acquired | (price as of 2026-08-19) |
| Oct. 17, 2022 | MRVI | A | 228,036 | — | — | 348,055 Direct | +190.00% | Acquired | (price as of 2026-08-19) |
| Oct. 17, 2022 | MRVI | A | 120,019 | — | — | 120,019 Direct | — | Acquired | (price as of 2026-08-19) |
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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Oct. 17, 2022 | MRVI | Performance Stock Units | Class A Common Stock (240,038) | — | Oct. 17, 2025 | 240,038 | Acquired |
| Oct. 17, 2022 | MRVI | Employee Stock Option (Right to Buy) | Class A Common Stock (403,946) | $19.42 | Oct. 17, 2032 | 403,946 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).