InsiderTrades

Dolan Oliver

SEC CIK 2053835 · EDGAR

Buying vs selling by month open-market trades, last 24 months, KRRO
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
KRROKorro Bio, Inc.SVP, Fin 16.2K — $136.1K 52025-12-152026-09-11

Most active insiders at KRRO, 12 months

#InsiderTitleBoughtSold
1 FORMELA JEAN FRANCOISDir —$5.16M
2 Yang Rick10% $2.30M—
3 New Enterprise Associates 17, L.P.10% $2.30M—
4 Chang Carmen10% $2.30M—
5 Makhzoumi Mohamad10% $2.30M—
6 Florence Anthony A. Jr.10% $2.30M—
7 Walker Paul Edward10% $2.30M—
8 Mathers Edward T10% $2.30M—
9 BASKETT FOREST10% $2.30M—
10 SANDELL SCOTT D10% $2.30M—
12 Dolan OliverSVP, Fin —$136.1K

Transactions 5

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
T 2026-09-14 16:05 2026-09-11 KRRO Korro Bio, Inc. Dolan Oliver SVP, Fin S - Sale $13.72 -5 16.2K -0.0% -$68.58
MT 2026-09-10 16:05 2026-09-08+ KRRO Korro Bio, Inc. Dolan Oliver SVP, Fin S - Sale $13.51 -7,353 16.2K -31% -$99.4K
2026-07-17 07:11 2026-07-15 KRRO Korro Bio, Inc. Dolan Oliver SVP, Fin A - Grant $0.00 +5,500 23.6K +30% $0
2026-06-17 16:05 2026-06-16 KRRO Korro Bio, Inc. Dolan Oliver SVP, Fin S - Sale $10.83 -3,383 18.1K -16% -$36.6K
2025-12-16 2025-12-15 KRRO Korro Bio, Inc. Dolan Oliver SVP, Fin A - Grant $0.00 +21.5K 21.5K New $0

Purchase Sale Sale after option exercise All abbreviations