Knobil Katharine
Director · KRRO, PLRX
As of 2026-09-16, Knobil Katharine has 6 Form 4 transactions on record across 2 companies — 3 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 |
|---|
6 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-10 | KRRO | Award / grant | 14,677 | 14,677 | Form 4 |
| 2025-11-17 | — | Award / grant | 84,411 | 84,411 | Form 4 |
| 2025-11-17 | — | Award / grant | 137,330 | 137,330 | Form 4 |
| 2025-06-11 | KRRO | Award / grant | 6,010 | 6,010 | Form 4 |
| 2025-06-05 | PLRX | Award / grant | 30,000 | 30,000 | Form 4 |
| 2025-02-12 | — | Award / grant | 30,000 | 30,000 | 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.