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KRRO

Korro Bio, Inc.

NASDAQ · Healthcare · Biotechnology · US

$12.13
+4.39%
Ask drillr
2
Insider buys (3m)
23
Insider sells (3m)
-$4.6M
Net value (3m)
+14.0%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Aug 28, 2026FORMELA JEAN FRANCOIS · directorSale51$14
Aug 28, 2026FORMELA JEAN FRANCOIS · directorSale249$14
Aug 21, 2026FORMELA JEAN FRANCOIS · directorSale23,584$14
Aug 21, 2026FORMELA JEAN FRANCOIS · directorSale4,884$14
Aug 13, 2026FORMELA JEAN FRANCOIS · directorSale1,775$14
Aug 13, 2026Lynx1 Capital Management LP · 10 percent ownerPurchase1,462$13
Aug 13, 2026Lynx1 Capital Management LP · 10 percent ownerPurchase5,222$11
Aug 13, 2026FORMELA JEAN FRANCOIS · directorSale368$14
Aug 5, 2026Aiyar Ram · director, officer: President and CEOSale5,802$11
Jul 17, 2026Dolan Oliver · officer: Senior Vice President, FinanceA-Award5,500$0.00
Jul 17, 2026Chappell Todd · officer: Chief Operating OfficerA-Award7,500$0.00
Jul 17, 2026Cerio Jeffrey · officer: General CounselA-Award6,500$0.00
Jul 17, 2026Vincent Loic A · officer: Chief Scientific OfficerA-Award7,500$0.00
Jul 7, 2026FORMELA JEAN FRANCOIS · directorSale14,745$14
Jul 7, 2026FORMELA JEAN FRANCOIS · directorSale8,506$14
Jul 7, 2026FORMELA JEAN FRANCOIS · directorSale817$14
Jul 7, 2026FORMELA JEAN FRANCOIS · directorSale85,955$14
Jun 24, 2026FORMELA JEAN FRANCOIS · directorSale580$14
Jun 24, 2026FORMELA JEAN FRANCOIS · directorSale114$15
Jun 24, 2026FORMELA JEAN FRANCOIS · directorSale6,979$15
Jun 24, 2026FORMELA JEAN FRANCOIS · directorSale666$15
Jun 24, 2026FORMELA JEAN FRANCOIS · directorSale40,679$15
Jun 24, 2026FORMELA JEAN FRANCOIS · directorSale17,426$14
Jun 24, 2026FORMELA JEAN FRANCOIS · directorSale101,579$14
Jun 24, 2026FORMELA JEAN FRANCOIS · directorSale3,382$14
Jun 17, 2026Vincent Loic A · officer: Chief Scientific OfficerSale3,418$11
Jun 17, 2026Dolan Oliver · officer: Senior Vice President, FinanceSale3,383$11
Jun 17, 2026Cerio Jeffrey · officer: General CounselSale6,609$11
Jun 17, 2026Chappell Todd · officer: Chief Operating OfficerSale3,168$11
Jun 11, 2026Behbahani Ali · directorA-Award14,677$11
Institutional positioning

13F filings over the trailing two quarters

New 54Increased 80Reduced 42Sold out 11
FilerActionSharesFiled
Lynx1 Capital Management LPUnchanged1,538,296Aug 13, 2026
LYNX1 CAPITAL MANAGEMENT LPIncreased1,538,296May 4, 2026
NEA Management Company, LLCUnchanged1,297,893Aug 14, 2026
NEA MANAGEMENT COMPANY, LLCIncreased1,297,893May 15, 2026
ATLAS VENTURE LIFE SCIENCE ADVISORS, LLCUnchanged1,137,149May 14, 2026
BALYASNY ASSET MANAGEMENT L.P.New Position1,040,054May 15, 2026
VR ADVISER, LLCNew Position1,009,500May 15, 2026
VR Adviser, LLCUnchanged1,009,500Aug 14, 2026
Atlas Venture Life Science Advisors, LLCReduced962,884Aug 13, 2026
BALYASNY ASSET MANAGEMENT L.P.Reduced951,783Aug 14, 2026
BlackRock, Inc.Increased817,621Aug 7, 2026
Affinity Asset Advisors, LLCUnchanged706,904Aug 13, 2026
AFFINITY ASSET ADVISORS, LLCNew Position706,904May 14, 2026
NANTAHALA CAPITAL MANAGEMENT, LLCIncreased660,036May 15, 2026
Nantahala Capital Management, LLCUnchanged660,036Aug 19, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 28, 2026