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KRRO insider trading

Korro Bio, Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
11
Bought · 24 mo
$20.8M
Buys · last 90 days
1 · $79k
Most recent buy
2026-08-13

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-08-13Lynx1 Capital Management LP
10% owner
Bought6,684$11.79$79k
2026-07-07FORMELA JEAN FRANCOIS
Director
Sold85,955$14.03$1.2M
2026-06-24FORMELA JEAN FRANCOIS
Director
Sold101,579$14.25$1.4M
2026-04-02Lynx1 Capital Management LP
10% owner
Bought520$10.60$6k
2026-03-12Yang Rick
10% owner
Bought207,100$11.11$2.3M
2026-03-12SANDELL SCOTT D
10% owner
Bought207,100$11.11$2.3M
2026-03-12NEA 17 GP, LLC
10% owner
Bought207,100$11.11$2.3M
2026-03-12Chang Carmen
10% owner
Bought207,100$11.11$2.3M
2026-03-12BASKETT FOREST
10% owner
Bought207,100$11.11$2.3M
2026-03-12Mathers Edward T
10% owner
Bought207,100$11.11$2.3M
2026-03-12Makhzoumi Mohamad
10% owner
Bought207,100$11.11$2.3M
2026-03-12Walker Paul Edward
10% owner
Bought207,100$11.11$2.3M
2026-03-12Florence Anthony A. Jr.
10% owner
Bought207,100$11.11$2.3M

Most active insider buyers

InsiderRoleBuysTotal bought
Yang Rick10% owner1$2.3M
SANDELL SCOTT D10% owner1$2.3M
NEA 17 GP, LLC10% owner1$2.3M
Chang Carmen10% owner1$2.3M
BASKETT FOREST10% owner1$2.3M
Mathers Edward T10% owner1$2.3M

See KRRO on the chart

Every insider buy and sell for KRRO plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.