LAROSA JOSEPH J
Officer · REGN
As of 2026-09-16, LAROSA JOSEPH J has 13 Form 4 transactions on record across 1 company — 9 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
- Direct $9.5M
- Indirect $0
| REGN | direct | 12,283 sh | $9.5M |
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 |
|---|
13 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-19 | REGN | Withheld for tax | 9,019 | 36,373 | Form 4 |
| 2026-08-19 | REGN | Option exercise | 12,282 | 45,392 | Form 4 |
| 2026-08-19 | REGN | Option exercise | 12,282 | 12,283 | Form 4 |
| 2025-12-08 | REGN | Withheld for tax | 1,396 | 29,517 | Form 4 |
| 2025-12-05 | REGN | Award / grant | 12,210 | 12,210 | Form 4 |
| 2025-12-05 | REGN | Award / grant | 2,476 | 30,913 | Form 4 |
| 2025-11-20 | REGN | Withheld for tax | 12,686 | 22,839 | Form 4 |
| 2025-11-20 | REGN | Option exercise | 14,450 | 35,525 | Form 4 |
| 2025-11-20 | REGN | Option exercise | 14,450 | 0 | Form 4 |
| 2024-12-16 | REGN | Withheld for tax | 702 | 30,075 | Form 4 |
| 2024-12-09 | REGN | Withheld for tax | 492 | 30,777 | Form 4 |
| 2024-12-06 | REGN | Award / grant | 2,332 | 31,269 | Form 4 |
| 2024-12-06 | REGN | Award / grant | 8,981 | 8,981 | 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.