Guarini Kathryn
Director · REGN
As of 2026-09-16, Guarini Kathryn has 10 Form 4 transactions on record across 1 company — 8 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 $897K
- Indirect $0
| REGN | direct | 1,158 sh | $897K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-02 | REGN | Sale | 400 @ $850.00 | $340K | −39.9% of holding | 603 | Form 4 |
| 2026-08-10 | REGN | Sale | 400 @ $800.00 | $320K | −39.9% of holding | 603 | Form 4 |
8 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-02 | REGN | Option exercise | 400 | 1,003 | Form 4 |
| 2026-09-02 | REGN | Option exercise | 400 | 1,158 | Form 4 |
| 2026-08-10 | REGN | Option exercise | 400 | 1,003 | Form 4 |
| 2026-08-10 | REGN | Option exercise | 400 | 1,558 | Form 4 |
| 2026-01-02 | REGN | Award / grant | 1,962 | 1,962 | Form 4 |
| 2026-01-02 | REGN | Award / grant | 155 | 603 | Form 4 |
| 2025-01-02 | REGN | Award / grant | 1,958 | 1,958 | Form 4 |
| 2025-01-02 | REGN | Award / grant | 166 | 448 | 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.