Korro Bio, Inc. (KRRO): insider trading, Congress trades & who owns it

Insider signal
25/100
Heavy insider selling · 90 days
Insider buys
$20.8M
11 buyers · 12 months
Insider sales
$5.7M
6 sellers · 12 months
Funds holding
106
13F · Q2 2026
Congress trades
None
none in 2 years

KRRO insiders were on both sides of the trade this year. Buys came to roughly $20.8 million (11 buyers), sales to $5.7 million (six sellers).

The largest purchase came from Yang Rick (10% Owner), about $2.3 million.

Big money check: 106 institutions held KRRO as of Q2 2026, and more funds bought than sold. Quarter by quarter: 2 quarters in a row of net selling by insiders. Insiders bought in 2 of the last 7 full quarters.

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Latest insider trades in KRRO

FiledInsiderRoleTypeSharesPriceValueSource
Sep 15, 2026FORMELA JEAN FRANCOISDirectorSell31,888$14.12$450KSEC
Sep 15, 2026FORMELA JEAN FRANCOISDirectorSell1,750$13.99$24KSEC
Sep 15, 2026FORMELA JEAN FRANCOISDirectorSell8,450$13.99$118KSEC
Sep 15, 2026FORMELA JEAN FRANCOISDirectorSell6,602$14.12$93KSEC
Sep 14, 2026Dolan OliverPresidentSell5$13.72$69SEC
Sep 10, 2026Dolan OliverPresidentSell7,347$13.51$99KSEC
Sep 10, 2026Dolan OliverPresidentSell6$13.60$82SEC
Aug 28, 2026FORMELA JEAN FRANCOISDirectorSell249$13.96$3KSEC
Aug 28, 2026FORMELA JEAN FRANCOISDirectorSell51$13.96$712SEC
Aug 21, 2026FORMELA JEAN FRANCOISDirectorSell23,584$14.00$330KSEC
Aug 21, 2026FORMELA JEAN FRANCOISDirectorSell4,884$14.00$68KSEC
Aug 13, 2026FORMELA JEAN FRANCOISDirectorSell1,775$13.96$25KSEC
Aug 13, 2026FORMELA JEAN FRANCOISDirectorSell368$13.96$5KSEC
Aug 13, 2026Lynx1 Capital Management LP10% OwnerBuy1,462$13.19$19KSEC
Aug 13, 2026Lynx1 Capital Management LP10% OwnerBuy5,222$11.40$60KSEC

Questions about KRRO

Are insiders buying or selling KRRO stock?

In the last 12 months Korro Bio, Inc. insiders made open-market purchases worth about $20.8 million and sales worth about $5.7 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.

When was the last insider trade in KRRO?

The most recent open-market insider trade in KRRO was filed on 2026-09-15.

How many institutions own KRRO?

106 investment managers reported holding KRRO in SEC Form 13F filings for Q2 2026.

Has any member of Congress traded KRRO?

No congressional trades in KRRO were reported in the past two years. The full list is free on CapitalSnitch.

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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).