Informed-money record

KRRO · Korro Bio, Inc.

Disclosed informed-money activity on this name over the last 12 months — corporate insiders, institutions, and members of Congress, from public-domain SEC and congressional filings. A dated factual record with receipts; interpretation is yours.

Bullish filings

9

Bearish filings

22

Named actors

17

Disclosed $ (bull / bear)

$20.7M / $6.3M

Recent disclosures

25 of 31 in the window · linked to source
DateWhoWhatDisclosed $Receipt
2026-07-06Director FORMELA JEAN FRANCOISsold$11KSEC ↗
2026-07-06Director FORMELA JEAN FRANCOISsold$119KSEC ↗
2026-07-06Shareholder (via Merrill Lynch) Atlas Venture Opportunity Fund II, L.P.filed notice to sell$119KSEC ↗
2026-07-06Shareholder (via Merrill Lynch) Atlas Venture Fund XI, L.P.filed notice to sell$11KSEC ↗
2026-07-02Director FORMELA JEAN FRANCOISsold$207KSEC ↗
2026-07-02Director FORMELA JEAN FRANCOISsold$1.2MSEC ↗
2026-07-02Shareholder (via Merrill Lynch) Atlas Venture Fund XI, L.P.filed notice to sell$1.2MSEC ↗
2026-07-02Shareholder (via Merrill Lynch) Atlas Venture Opportunity Fund II, L.P.filed notice to sell$201KSEC ↗
2026-06-24Shareholder (via Merrill Lynch) Atlas Venture Opportunity Fund II, L.P.filed notice to sell$97KSEC ↗
2026-06-24Shareholder (via Merrill Lynch) Atlas Venture Fund XI, L.P.filed notice to sell$567KSEC ↗
2026-06-23Shareholder (via Merrill Lynch) Atlas Venture Fund XI, L.P.filed notice to sell$1.4MSEC ↗
2026-06-23Shareholder (via Merrill Lynch) Atlas Venture Opportunity Fund II, L.P.filed notice to sell$242KSEC ↗
2026-06-22Shareholder (via Merrill Lynch) Atlas Venture Opportunity Fund II, L.P.filed notice to sell$48KSEC ↗
2026-06-22Shareholder (via Merrill Lynch) Atlas Venture Fund XI, L.P.filed notice to sell$277KSEC ↗
2026-06-16Officer (via Fidelity Brokerage Services LLC) Chappell Toddfiled notice to sell$34KSEC ↗
2026-06-16Officer (via Fidelity Brokerage Services LLC) Dolan Oliverfiled notice to sell$37KSEC ↗
2026-06-16Officer (via Fidelity Brokerage Services LLC) Cerio Jeffreyfiled notice to sell$72KSEC ↗
2026-06-16Officer (via Fidelity Brokerage Services LLC) Vincent Loic Afiled notice to sell$37KSEC ↗
2026-05-29President and CEO Aiyar Ramsold$197KSEC ↗
2026-05-29Officer (via Fidelity Brokerage Services LLC) Aiyar Ramfiled notice to sell$197KSEC ↗
2026-05-28Director FORMELA JEAN FRANCOISsold$6KSEC ↗
2026-05-28Director FORMELA JEAN FRANCOISsold$34KSEC ↗
2026-03-1010% owner / other Florence Anthony A. Jr.bought$2.3MSEC ↗
2026-03-1010% owner / other Makhzoumi Mohamadbought$2.3MSEC ↗
2026-03-1010% owner / other Walker Paul Edwardbought$2.3MSEC ↗

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Events dated by when the activity occurred (a trade's transaction date; a notice, stake, or announcement at its filing date); the linked filing is the authoritative record. Directional public-domain disclosures only. Descriptive, not investment advice. Methodology · Today's notable signals