Korro Bio, Inc. (KRRO) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, Korro Bio's top three insider holders are Carmen Chang (TenPercentOwner, 1.09Mn shares), Paul Edward Walker (TenPercentOwner, 1.09Mn shares), Enterprise Associates 17, L.P. New (TenPercentOwner, 1.09Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Enterprise Associates 17, L.P. New 1,297,893 0 12 Mar, 2026
Paul Edward Walker 0 1,297,893 12 Mar, 2026
Scott D Sandell 0 1,297,893 12 Mar, 2026
Anthony A. Jr. Florence 0 1,297,893 12 Mar, 2026
Mohamad Makhzoumi 0 1,297,893 12 Mar, 2026
Rick Yang 0 1,297,893 12 Mar, 2026
Ali Behbahani 0 1,297,893 12 Mar, 2026
Carmen Chang 0 1,297,893 12 Mar, 2026
Edward T Mathers 0 1,297,893 12 Mar, 2026
Forest Baskett 0 1,297,893 12 Mar, 2026
Christopher R. Loose Chief Scientific Officer 183,650 0 31 Jul, 2023
Richard J. Mitrano Vp Finance Operations 48,457 0 22 Aug, 2023
Quentin Mccubbin Chief Manufacturing Officer 38,340 0 07 Jul, 2022
Carl Lebel Chief Development Officer 26,343 0 07 Jul, 2022
David L. Lucchino 22,150 0 27 Nov, 2023
Loic A Vincent Chief Scientific Officer 21,715 0 16 Dec, 2025
Peter P. Pfreundschuh Chief Financial Officer 8,927 0 23 Feb, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
10 Mar, 2026 Enterprise Associates 17, L.P. New Common Stock A 207,100 $11.11 1,297,893 D P
10 Mar, 2026 Anthony A. Jr. Florence Common Stock A 207,100 $11.11 1,297,893 I P
10 Mar, 2026 Edward T Mathers Common Stock A 207,100 $11.11 1,297,893 I P
10 Mar, 2026 Paul Edward Walker Common Stock A 207,100 $11.11 1,297,893 I P
10 Mar, 2026 Scott D Sandell Common Stock A 207,100 $11.11 1,297,893 I P
10 Mar, 2026 Forest Baskett Common Stock A 207,100 $11.11 1,297,893 I P
10 Mar, 2026 Rick Yang Common Stock A 207,100 $11.11 1,297,893 I P
10 Mar, 2026 Ali Behbahani Common Stock A 207,100 $11.11 1,297,893 I A
10 Mar, 2026 Carmen Chang Common Stock A 207,100 $11.11 1,297,893 I P
10 Mar, 2026 Mohamad Makhzoumi Common Stock A 207,100 $11.11 1,297,893 I P
10 Mar, 2026 Anthony A. Jr. Florence Pre-Funded Warrants A 242,945 $11.11 242,945 I P
10 Mar, 2026 Edward T Mathers Pre-Funded Warrants A 242,945 $11.11 242,945 I P
10 Mar, 2026 Scott D Sandell Pre-Funded Warrants A 242,945 $11.11 242,945 I P
10 Mar, 2026 Ali Behbahani Pre-Funded Warrants A 242,945 $11.11 242,945 I A
10 Mar, 2026 Forest Baskett Pre-Funded Warrants A 242,945 $11.11 242,945 I P
10 Mar, 2026 Enterprise Associates 17, L.P. New Pre-Funded Warrants A 242,945 $11.11 242,945 D P
10 Mar, 2026 Carmen Chang Pre-Funded Warrants A 242,945 $11.11 242,945 I P
10 Mar, 2026 Paul Edward Walker Pre-Funded Warrants A 242,945 $11.11 242,945 I P
10 Mar, 2026 Mohamad Makhzoumi Pre-Funded Warrants A 242,945 $11.11 242,945 I P
10 Mar, 2026 Rick Yang Pre-Funded Warrants A 242,945 $11.11 242,945 I P