Katharine Knobil
CIK 1768011 · Chief Medical Officer · last filed 2026-06-11
Katharine Knobil is a Chief Medical Officer who has filed 19 SEC Form 4 insider transactions across 5 companies since 2019. The most recent filing, for KRRO, was dated Jun 11, 2026.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$0
5
19
$0
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| KRRO | Director | — | $11.61 | — | $0 | 3 | 2026-06-11 |
| MRKR | Director | — | $1.38 | — | $0 | 5 | 2025-11-19 |
| PLRX | Director | — | $1.13 | — | $0 | 4 | 2025-06-09 |
| ARENA PHARMACEUTICALS INC (ARNA) Delisted | Director | 0 | $99.99 | $0 | $0 | 3 | 2022-03-11 |
| Kaleido Biosciences, Inc. (KLDO) Delisted | Chief Medical Officer | — | $0.29 | — | $0 | 4 | 2020-10-19 |
Recent Filings
19 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-11 | KRRO | Grant (A) | — | $0 | EDGAR |
| 2025-11-19 | MRKR | Grant (A) | — | $0 | EDGAR |
| 2025-06-12 | KRRO | Grant (A) | — | $0 | EDGAR |
| 2025-06-09 | PLRX | Grant (A) | — | $0 | EDGAR |
| 2025-02-14 | MRKR | Grant (A) | — | $0 | EDGAR |
| 2024-08-28 | KRRO | Grant (A) | — | $0 | EDGAR |
| 2024-06-17 | PLRX | Grant (A) | — | $0 | EDGAR |
| 2023-06-08 | PLRX | Grant (A) | — | $0 | EDGAR |
| 2023-06-08 | MRKR | Grant (A) | — | $0 | EDGAR |
| 2022-09-16 | PLRX | Grant (A) | — | $0 | EDGAR |