Knobil Katharine
SEC insider (Form 3/4/5 filer). CIK 0001768011. Director at Korro Bio, Inc. (KRRO) and 2 other issuers. 6 reported Form 4/5 transactions since Sep 2024; latest on Jun 10, 2026. Located in CAMBRIDGE, MA.
Companies Knobil Katharine has filed insider reports for
- Korro Bio, Inc. (KRRO): Director
- Marker Therapeutics, Inc. (MRKR): Director
- PLIANT THERAPEUTICS, INC. (PLRX): Director
Knobil Katharine
CIK: 0001768011
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Jun 10, 2026KRRO
Korro Bio, Inc.
AwardDirectStock Option (Right to Buy)
14.7K shares- - Nov 17, 2025MRKR
Marker Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
84.4K shares- - Nov 17, 2025MRKR
Marker Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
137.3K shares- - Jun 11, 2025KRRO
Korro Bio, Inc.
AwardDirectStock Option (Right to Buy)
6K shares- - Jun 5, 2025PLRX
PLIANT THERAPEUTICS, INC.
AwardDirectCommon Stock (Right to Buy)
30K shares- - Feb 12, 2025MRKR
Marker Therapeutics, Inc.
AwardDirectStock Option (right to buy)
30K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 10, 2026 |  KRRO Korro Bio, Inc. | Award Stock Option (Right to Buy) | 14,677 | - | - | Direct |
| Nov 17, 2025 |  MRKR Marker Therapeutics, Inc. | Award Stock Option (Right to Buy) | 84,411 | - | - | Direct |
| Nov 17, 2025 | MRKR Marker Therapeutics, Inc. | Award Stock Option (Right to Buy) | 137,330 | - | - | Direct |
| Jun 11, 2025 | KRRO Korro Bio, Inc. | Award Stock Option (Right to Buy) | 6,010 | - | - | Direct |
| Jun 5, 2025 |  PLRX PLIANT THERAPEUTICS, INC. | Award Common Stock (Right to Buy) | 30,000 | - | - | Direct |
| Feb 12, 2025 | MRKR Marker Therapeutics, Inc. | Award Stock Option (right to buy) | 30,000 | - | - | Direct |
1-6 of 6 transactions