Brust Bernd
Director · Officer · MRVI
As of 2026-09-16, Brust Bernd has 11 Form 4 transactions on record across 1 company — 7 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2025-11-13 | MRVI | Purchase | 216,212 @ $3.25 | $703K | +86.3% of holding | 466,771 | Form 4 |
| 2025-11-12 | MRVI | Purchase | 93,358 @ $3.21 | $300K | +59.4% of holding | 250,559 | Form 4 |
| 2025-11-11 | MRVI | Purchase | 157,201 @ $3.24 | $509K | ownership Δ n/a | 157,201 | Form 4 |
8 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-08 | MRVI | Withheld for tax | 29,250 | 1,561,249 | Form 4 |
| 2026-08-10 | MRVI | Withheld for tax | 29,250 | 1,590,499 | Form 4 |
| 2026-07-08 | MRVI | Withheld for tax | 29,250 | 1,619,749 | Form 4 |
| 2026-06-08 | MRVI | Withheld for tax | 351,001 | 1,648,999 | Form 4 |
| 2025-06-08 | MRVI | Award / grant | 2,250,000 | 2,250,000 | Form 4 |
| 2025-06-08 | MRVI | Award / grant | 1,000,000 | 1,000,000 | Form 4 |
| 2025-06-08 | MRVI | Award / grant | 2,000,000 | 2,000,000 | Form 4 |
| 2025-06-08 | MRVI | Award / grant | 2,000,000 | 2,000,000 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.