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Korro Bio, Inc.

KRRO
Healthcare|Biotechnology|US
$14.75
+0.02 (+0.14%)
DCF Value
$9.43
Tangible Book / Share
$4.95
Cash / Share
$5.88

Ownership Breakdown

69.7%
Float
14.7M
Shares Outstanding
10.3M
Float Shares

Major Holders (40)

Combined: 309.4%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
Lynx1 Capital Management LPPartnership10.70%1,538,296Apr 2, 202613D/G
Weston NicholsIndividual10.70%1,538,296Apr 2, 202613D/G
VHCP Management III, LLCOther9.90%1,488,685Mar 17, 202613D/G
Venrock Healthcare Capital Partners III, L.P.Partnership9.90%1,488,685Mar 17, 202613D/G
Bong Y. KohIndividual9.90%1,488,685Mar 17, 202613D/G
VHCP Co-Investment Holdings III, LLCOther9.90%1,488,685Mar 17, 202613D/G
Venrock Healthcare Capital Partners EG, L.P.Partnership9.90%1,488,685Mar 17, 202613D/G
Nimish ShahIndividual9.90%1,488,685Mar 17, 202613D/G
VHCP Management EG, LLCOther9.90%1,488,685Mar 17, 202613D/G
Nea 17 GP, LLCOther9.90%1,435,487Mar 12, 202613D/G
New Enterprise Associates 17, L.P.Partnership9.90%1,435,487Mar 12, 202613D/G
NEA Partners 17, L.P.Partnership9.90%1,435,487Mar 12, 202613D/G
Forest BaskettIndividual9.90%1,435,487Mar 12, 202613D/G
Ali BehbahaniIndividual9.90%1,456,677Mar 12, 202613D/G
Carmen ChangIndividual9.90%1,435,487Mar 12, 202613D/G
Anthony A. Florence, Jr.Individual9.90%1,435,487Mar 12, 202613D/G
Mohamad H. MakhzoumiIndividual9.90%1,435,487Mar 12, 202613D/G
Edward T. MathersIndividual9.90%1,435,487Mar 12, 202613D/G
Scott D. SandellIndividual9.90%1,435,487Mar 12, 202613D/G
Paul WalkerIndividual9.90%1,435,487Mar 12, 202613D/G
Rick YangIndividual9.90%1,435,487Mar 12, 202613D/G
Balyasny Asset Management L.P.IA, PN6.60%951,783Aug 14, 202613D/G
Bam GP LLCHC, OO6.60%951,783Aug 14, 202613D/G
Balyasny Asset Management Holdings LPHC, PN6.60%951,783Aug 14, 202613D/G
Dames GP LLCHC, OO6.60%951,783Aug 14, 202613D/G
Dmitry BalyasnyHC, IN6.60%951,783Aug 14, 202613D/G
Wilmot B. HarkeyHolding company6.37%600,000Feb 13, 202613D/G
Daniel MackHolding company6.37%600,000Feb 13, 202613D/G
Nantahala Capital Management, LLCInvestment adviser6.37%600,000Feb 13, 202613D/G
BlackRock, Inc.Holding company4.90%717,813Oct 27, 202613D/G
Atlas Venture Associates XI, L.P.Partnership4.90%706,556Aug 4, 202613D/G
Atlas Venture Associates XI, LLCOther4.90%706,556Aug 4, 202613D/G
Atlas Venture Fund XI, L.P.Partnership4.90%706,556Aug 4, 202613D/G
Finny Kuruvilla, M.D. Ph. D.HC, IN4.21%391,166Nov 14, 202413D/G
Robin C. JohnHC, IN4.21%391,166Nov 14, 202413D/G
Eventide Asset Management, LLCInvestment adviser4.21%391,166Nov 14, 202413D/G
Citadel GP LLCHC, OO3.90%369,733Feb 14, 202513D/G
Citadel Advisors LLCIA, HC, OO3.90%369,733Feb 14, 202513D/G
Citadel Advisors Holdings LPHC, PN3.90%369,733Feb 14, 202513D/G
Kenneth GriffinHC, IN3.90%369,733Feb 14, 202513D/G

Insider Trades (100)

Last 4 quarters: 4,983,525 acquired · 408,779 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Lynx1 Capital Management LP10 percent ownerOct 26, 2026BUY25,124$11.75$295.1KForm 4
Lynx1 Capital Management LP10 percent ownerOct 23, 2026BUY2,510$12.11$30.4KForm 4
Lynx1 Capital Management LP10 percent ownerOct 22, 2026BUY40,000$11.04$441.5KForm 4
Lynx1 Capital Management LP10 percent ownerOct 22, 2026BUY12,175$9.68$117.8KForm 4
FORMELA JEAN FRANCOISdirectorSep 11, 2026SELL8,450$13.99$118.2KForm 4
FORMELA JEAN FRANCOISdirectorSep 14, 2026SELL31,888$14.12$450.3KForm 4
FORMELA JEAN FRANCOISdirectorSep 11, 2026SELL1,750$13.99$24.5KForm 4
FORMELA JEAN FRANCOISdirectorSep 14, 2026SELL6,602$14.12$93.2KForm 4
Dolan OliverSenior Vice President, FinanceSep 11, 2026SELL5$13.72$68.58Form 4
Dolan OliverSenior Vice President, FinanceSep 8, 2026SELL7,347$13.51$99.3KForm 4
Dolan OliverSenior Vice President, FinanceSep 9, 2026SELL6$13.60$81.62Form 4
FORMELA JEAN FRANCOISdirectorAug 26, 2026SELL249$13.96$3.5KForm 4
FORMELA JEAN FRANCOISdirectorAug 26, 2026SELL51$13.96$711.96Form 4
FORMELA JEAN FRANCOISdirectorAug 19, 2026SELL23,584$14.00$330.2KForm 4
FORMELA JEAN FRANCOISdirectorAug 19, 2026SELL4,884$14.00$68.4KForm 4
FORMELA JEAN FRANCOISdirectorAug 11, 2026SELL1,775$13.96$24.8KForm 4
FORMELA JEAN FRANCOISdirectorAug 11, 2026SELL368$13.96$5.1KForm 4
Lynx1 Capital Management LP10 percent ownerAug 10, 2026BUY1,462$13.19$19.3KForm 4
Lynx1 Capital Management LP10 percent ownerAug 6, 2026BUY5,222$11.40$59.5KForm 4
Aiyar Ramdirector, officer: President and CEOAug 4, 2026SELL5,802$10.84$62.9KForm 4
Vincent Loic AChief Scientific OfficerJul 15, 2026AWARD7,500——Form 4
Dolan OliverSenior Vice President, FinanceJul 15, 2026AWARD5,500——Form 4
Cerio JeffreyGeneral CounselJul 15, 2026AWARD6,500——Form 4
Chappell ToddChief Operating OfficerJul 15, 2026AWARD7,500——Form 4
FORMELA JEAN FRANCOISdirectorJul 2, 2026SELL85,955$14.03$1.2MForm 4
FORMELA JEAN FRANCOISdirectorJul 6, 2026SELL817$13.96$11.4KForm 4
FORMELA JEAN FRANCOISdirectorJul 2, 2026SELL14,745$14.03$206.9KForm 4
FORMELA JEAN FRANCOISdirectorJul 6, 2026SELL8,506$13.96$118.7KForm 4
FORMELA JEAN FRANCOISdirectorJun 22, 2026SELL3,382$13.95$47.2KForm 4
FORMELA JEAN FRANCOISdirectorJun 23, 2026SELL101,579$14.25$1.4MForm 4
FORMELA JEAN FRANCOISdirectorJun 24, 2026SELL40,679$14.60$593.9KForm 4
FORMELA JEAN FRANCOISdirectorJun 24, 2026SELL666$14.98$10.0KForm 4
FORMELA JEAN FRANCOISdirectorJun 22, 2026SELL580$13.95$8.1KForm 4
FORMELA JEAN FRANCOISdirectorJun 23, 2026SELL17,426$14.25$248.3KForm 4
FORMELA JEAN FRANCOISdirectorJun 24, 2026SELL6,979$14.60$101.9KForm 4
FORMELA JEAN FRANCOISdirectorJun 24, 2026SELL114$14.98$1.7KForm 4
Chappell ToddChief Operating OfficerJun 16, 2026SELL3,168$10.83$34.3KForm 4
Vincent Loic AChief Scientific OfficerJun 16, 2026SELL3,418$10.83$37.0KForm 4
Cerio JeffreyGeneral CounselJun 16, 2026SELL6,609$10.83$71.6KForm 4
Dolan OliverSenior Vice President, FinanceJun 16, 2026SELL3,383$10.83$36.6KForm 4
Behbahani AlidirectorJun 10, 2026AWARD14,677$10.59$155.4KForm 4
Meyers RacheldirectorJun 10, 2026AWARD14,677$10.59$155.4KForm 4
Bermingham NessandirectorJun 10, 2026AWARD14,677$10.59$155.4KForm 4
Knobil KatharinedirectorJun 10, 2026AWARD14,677$10.59$155.4KForm 4
FORMELA JEAN FRANCOISdirectorJun 10, 2026AWARD14,677$10.59$155.4KForm 4
PEARSON TIMOTHY RdirectorJun 10, 2026AWARD14,677$10.59$155.4KForm 4
Aiyar Ramdirector, officer: President and CEOMay 29, 2026SELL15,152$12.98$196.7KForm 4
FORMELA JEAN FRANCOISdirectorMay 28, 2026SELL2,441$13.95$34.1KForm 4
FORMELA JEAN FRANCOISdirectorMay 28, 2026SELL419$13.95$5.8KForm 4
Aiyar Ramdirector, officer: President and CEOMay 26, 2026AWARD50,000$12.33$616.5KForm 4
Lynx1 Capital Management LP10 percent ownerMar 31, 2026BUY520$10.60$5.5KForm 4
Lynx1 Capital Management LP10 percent ownerMar 31, 2026OTHER0——Form 4
Yang Rick10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
Yang Rick10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
SANDELL SCOTT D10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
SANDELL SCOTT D10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
New Enterprise Associates 17, L.P.10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
New Enterprise Associates 17, L.P.10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
Chang Carmen10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
Chang Carmen10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
Behbahani Alidirector, 10 percent owner: Mar 10, 2026AWARD207,100$11.11$2.3MForm 4
Behbahani Alidirector, 10 percent owner: Mar 10, 2026AWARD242,945$0.00$242.94Form 4
BASKETT FOREST10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
BASKETT FOREST10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
Mathers Edward T10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
Mathers Edward T10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
Makhzoumi Mohamad10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
Makhzoumi Mohamad10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
Walker Paul Edward10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
Walker Paul Edward10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
Florence Anthony A. Jr.10 percent ownerMar 10, 2026BUY207,100$11.11$2.3MForm 4
Florence Anthony A. Jr.10 percent ownerMar 10, 2026BUY242,945$0.00$242.94Form 4
Aiyar Ramdirector, officer: President and CEOFeb 2, 2026AWARD80,000$13.05$1.0MForm 4
Aiyar Ramdirector, officer: President and CEOFeb 2, 2026AWARD40,000——Form 4
Vincent Loic AChief Scientific OfficerFeb 2, 2026AWARD35,000$13.05$456.8KForm 4
Dolan OliverSenior Vice President, FinanceFeb 2, 2026AWARD15,000$13.05$195.8KForm 4
Cerio JeffreyGeneral CounselFeb 2, 2026AWARD23,000$13.05$300.1KForm 4
Chappell ToddChief Operating OfficerFeb 2, 2026AWARD38,000$13.05$495.9KForm 4
Chappell ToddChief Operating OfficerDec 15, 2025AWARD20,132——Form 4
Vincent Loic AChief Scientific OfficerDec 15, 2025AWARD21,715——Form 4
Cerio JeffreyGeneral CounselDec 15, 2025AWARD41,902——Form 4
Dolan OliverSenior Vice President, FinanceDec 15, 2025AWARD21,482——Form 4
Behbahani Alidirector, 10 percent owner: Jun 11, 2025AWARD6,010$14.87$89.4KForm 4
Meyers RacheldirectorJun 11, 2025AWARD6,010$14.87$89.4KForm 4
Bermingham NessandirectorJun 11, 2025AWARD6,010$14.87$89.4KForm 4
Knobil KatharinedirectorJun 11, 2025AWARD6,010$14.87$89.4KForm 4
FORMELA JEAN FRANCOISdirectorJun 11, 2025AWARD6,010$14.87$89.4KForm 4
PEARSON TIMOTHY RdirectorJun 11, 2025AWARD6,010$14.87$89.4KForm 4
Dolan OliverSenior Vice President, FinanceApr 1, 2025AWARD20,000$15.95$319.0KForm 4
Vincent Loic AChief Scientific OfficerApr 1, 2025AWARD70,000$15.95$1.1MForm 4
Vincent Loic AMar 31, 2025OTHER0——Form 4
Dolan OliverSenior Vice President, FinanceFeb 11, 2025OTHER15,000$42.99$644.9KForm 4
Dolan OliverSenior Vice President, FinanceFeb 11, 2025OTHER6,000$33.50$201.0KForm 4
Cerio JeffreyGeneral CounselFeb 3, 2025AWARD29,000$33.50$971.5KForm 4
Agarwal VineetChief Financial OfficerFeb 3, 2025AWARD30,000$33.50$1.0MForm 4
Aiyar Ramdirector, officer: President and CEOFeb 3, 2025AWARD100,000$33.50$3.4MForm 4
Chappell ToddChief Operating OfficerFeb 3, 2025AWARD34,500$33.50$1.2MForm 4
Olugemo OlukemiChief Medical OfficerFeb 3, 2025AWARD42,000$33.50$1.4MForm 4
Agarwal VineetChief Financial OfficerNov 11, 2024OPTION EX.800$11.68$9.3KForm 4
Agarwal VineetChief Financial OfficerNov 11, 2024OPTION EX.800$11.68$9.3KForm 4