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KRROKorro Bio, Inc.

Market cap
$176.41M
as of 2026-10-23
Latest close
$11.98
as of 2026-10-23
Sector
Healthcare
as of 2026-10-24
Industry
Biotechnology
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-11-07

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Formela Jean FrancoisSep 14Sep 15S31,888$14.12Sale −$450,259640,610YesForm 4
Formela Jean FrancoisSep 14Sep 15S6,602$14.12Sale −$93,220132,650YesForm 4
Formela Jean FrancoisSep 11Sep 15S8,450$13.99Sale −$118,216672,498YesForm 4
Formela Jean FrancoisSep 11Sep 15S1,750$13.99Sale −$24,483139,252YesForm 4
Dolan OliverSenior Vice President, FinanceSep 11Sep 14S5$13.72Sale −$6916,241YesForm 4
Dolan OliverSenior Vice President, FinanceSep 9Sep 10S6$13.60Sale −$8216,246YesForm 4
Dolan OliverSenior Vice President, FinanceSep 8Sep 10S7,347$13.51Sale −$99,25816,252YesForm 4
Formela Jean FrancoisAug 26Aug 28S249$13.96Sale −$3,476680,948YesForm 4
Formela Jean FrancoisAug 26Aug 28S51$13.96Sale −$712141,002YesForm 4
Formela Jean FrancoisAug 19Aug 21S23,584$14.00Sale −$330,176681,197YesForm 4
Formela Jean FrancoisAug 19Aug 21S4,884$14.00Sale −$68,376141,053YesForm 4
Formela Jean FrancoisAug 11Aug 13S1,775$13.96Sale −$24,779704,781YesForm 4
Formela Jean FrancoisAug 11Aug 13S368$13.96Sale −$5,137145,937YesForm 4
Lynx1 Capital Management LPAug 10Aug 13P1,462$13.19Purchase +$19,2841,544,980NoForm 4
Lynx1 Capital Management LPAug 6Aug 13P5,222$11.40Purchase +$59,5311,543,518NoForm 4
Aiyar RamPresident and CEOAug 4Aug 5S5,802$10.84Sale −$62,89469,046NoForm 4
Chappell ToddChief Operating OfficerJul 15Jul 17A7,500$0.00$024,464NoForm 4
Cerio JeffreyGeneral CounselJul 15Jul 17A6,500$0.00$041,793NoForm 4
Dolan OliverSenior Vice President, FinanceJul 15Jul 17A5,500$0.00$023,599NoForm 4
Vincent Loic AChief Scientific OfficerJul 15Jul 17A7,500$0.00$025,797NoForm 4
Formela Jean FrancoisJul 6Jul 7S817$13.96Sale −$11,405706,556YesForm 4
Formela Jean FrancoisJul 6Jul 7S8,506$13.96Sale −$118,744146,305YesForm 4
Formela Jean FrancoisJul 2Jul 7S85,955$14.03Sale −$1,205,949707,373YesForm 4
Formela Jean FrancoisJul 2Jul 7S14,745$14.03Sale −$206,872154,811YesForm 4
Formela Jean FrancoisJun 24Jun 24S40,679$14.60Sale −$593,913793,994YesForm 4
Formela Jean FrancoisJun 24Jun 24S666$14.98Sale −$9,977793,328YesForm 4
Formela Jean FrancoisJun 24Jun 24S6,979$14.60Sale −$101,893169,670YesForm 4
Formela Jean FrancoisJun 24Jun 24S114$14.98Sale −$1,708169,556YesForm 4
Formela Jean FrancoisJun 23Jun 24S101,579$14.25Sale −$1,447,501834,673YesForm 4
Formela Jean FrancoisJun 23Jun 24S17,426$14.25Sale −$248,321176,649YesForm 4
Formela Jean FrancoisJun 22Jun 24S3,382$13.95Sale −$47,179936,252YesForm 4
Formela Jean FrancoisJun 22Jun 24S580$13.95Sale −$8,091194,075YesForm 4
Dolan OliverSenior Vice President, FinanceJun 16Jun 17S3,383$10.83Sale −$36,63818,099NoForm 4
Cerio JeffreyGeneral CounselJun 16Jun 17S6,609$10.83Sale −$71,57535,293NoForm 4
Vincent Loic AChief Scientific OfficerJun 16Jun 17S3,418$10.83Sale −$37,01718,297NoForm 4
Chappell ToddChief Operating OfficerJun 16Jun 17S3,168$10.83Sale −$34,30916,964NoForm 4
Pearson Timothy RJun 10Jun 11A · derivative14,677$10.59$155,42914,677NoForm 4
Formela Jean FrancoisJun 10Jun 11A · derivative14,677$10.59$155,42914,677NoForm 4
Knobil KatharineJun 10Jun 11A · derivative14,677$10.59$155,42914,677NoForm 4
Bermingham NessanJun 10Jun 11A · derivative14,677$10.59$155,42914,677NoForm 4
Meyers RachelJun 10Jun 11A · derivative14,677$10.59$155,42914,677NoForm 4
Behbahani AliJun 10Jun 11A · derivative14,677$10.59$155,42914,677NoForm 4
Aiyar RamPresident and CEOMay 29Jun 2S15,152$12.98Sale −$196,67374,848NoForm 4
Formela Jean FrancoisMay 28Jun 1S2,441$13.95Sale −$34,052939,634YesForm 4
Formela Jean FrancoisMay 28Jun 1S419$13.95Sale −$5,845194,655YesForm 4
Aiyar RamPresident and CEOMay 26May 28A50,000$12.33$616,50090,000NoForm 4
Nichols WestonMar 31Apr 2P520$10.60Purchase +$5,5121,538,296NoForm 4
Florence Anthony A. Jr.Mar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
Florence Anthony A. Jr.Mar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Makhzoumi MohamadMar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
Makhzoumi MohamadMar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Walker Paul EdwardMar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
Walker Paul EdwardMar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Mathers Edward TMar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
Mathers Edward TMar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Baskett ForestMar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
Baskett ForestMar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Chang CarmenMar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
Chang CarmenMar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Behbahani AliMar 10Mar 12A207,100$11.11$2,300,8811,297,893NoForm 4
Behbahani AliMar 10Mar 12A · derivative242,945$11.11$2,699,119242,945NoForm 4
New Enterprise Associates 17, L.P.Mar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
New Enterprise Associates 17, L.P.Mar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Sandell Scott DMar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
Sandell Scott DMar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Yang RickMar 10Mar 12P207,100$11.11Purchase +$2,300,8811,297,893NoForm 4
Yang RickMar 10Mar 12P · derivative242,945$11.11Purchase +$2,699,119242,945NoForm 4
Chappell ToddChief Operating OfficerFeb 2Feb 3A · derivative38,000$13.05$495,90038,000NoForm 4
Cerio JeffreyGeneral CounselFeb 2Feb 3A · derivative23,000$13.05$300,15023,000NoForm 4
Dolan OliverSenior Vice President, FinanceFeb 2Feb 3A · derivative15,000$13.05$195,75015,000NoForm 4
Vincent Loic AChief Scientific OfficerFeb 2Feb 3A · derivative35,000$13.05$456,75035,000NoForm 4
Aiyar RamPresident and CEOFeb 2Feb 3A40,000$0.00$040,000NoForm 4
Aiyar RamPresident and CEOFeb 2Feb 3A · derivative80,000$13.05$1,044,00080,000NoForm 4
Dolan OliverSenior Vice President, FinanceDec 15, 2025Dec 16, 2025A21,482$0.00$021,482NoForm 4
Cerio JeffreyGeneral CounselDec 15, 2025Dec 16, 2025A41,902$0.00$041,902NoForm 4
Vincent Loic AChief Scientific OfficerDec 15, 2025Dec 16, 2025A21,715$0.00$021,715NoForm 4
Chappell ToddChief Operating OfficerDec 15, 2025Dec 16, 2025A20,132$0.00$020,132NoForm 4
Pearson Timothy RJun 11, 2025Jun 12, 2025A · derivative6,010$14.87$89,3696,010NoForm 4
Formela Jean FrancoisJun 11, 2025Jun 12, 2025A · derivative6,010$14.87$89,3696,010NoForm 4
Knobil KatharineJun 11, 2025Jun 12, 2025A · derivative6,010$14.87$89,3696,010NoForm 4
Bermingham NessanJun 11, 2025Jun 12, 2025A · derivative6,010$14.87$89,3696,010NoForm 4
Meyers RachelJun 11, 2025Jun 12, 2025A · derivative6,010$14.87$89,3696,010NoForm 4
Behbahani AliJun 11, 2025Jun 12, 2025A · derivative6,010$14.87$89,3696,010NoForm 4
Vincent Loic AChief Scientific OfficerApr 1, 2025Apr 1, 2025A · derivative70,000$15.95$1,116,50070,000NoForm 4
Dolan OliverSenior Vice President, FinanceApr 1, 2025Apr 1, 2025A · derivative20,000$15.95$319,00020,000NoForm 4
Olugemo OlukemiChief Medical OfficerFeb 3, 2025Feb 5, 2025A · derivative42,000$33.50$1,407,00042,000NoForm 4
Chappell ToddChief Operating OfficerFeb 3, 2025Feb 5, 2025A · derivative34,500$33.50$1,155,75034,500NoForm 4
Aiyar RamPresident and CEOFeb 3, 2025Feb 5, 2025A · derivative100,000$33.50$3,350,000100,000NoForm 4
Agarwal VineetChief Financial OfficerFeb 3, 2025Feb 5, 2025A · derivative30,000$33.50$1,005,00030,000NoForm 4
Cerio JeffreyGeneral CounselFeb 3, 2025Feb 5, 2025A · derivative29,000$33.50$971,50029,000NoForm 4
Agarwal VineetChief Financial OfficerNov 11, 2024Nov 12, 2024M800$11.68$9,344800YesForm 4
Agarwal VineetChief Financial OfficerNov 11, 2024Nov 12, 2024S800$70.00Sale −$56,000not reportedYesForm 4
Agarwal VineetChief Financial OfficerNov 11, 2024Nov 12, 2024M · derivative800$11.68$9,34430,807YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024M9,263$11.68$108,1929,263YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024M953$14.98$14,27610,216YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S2,023$71.51Sale −$144,6658,193YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S164$73.71Sale −$12,0888,029YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S115$74.56Sale −$8,5747,914YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S56$76.00Sale −$4,2567,858YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S23$77.00Sale −$1,7717,835YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S260$77.55Sale −$20,1637,575YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S457$78.59Sale −$35,9167,118YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S1,815$79.79Sale −$144,8195,303YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S4,961$80.50Sale −$399,361342YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S317$81.48Sale −$25,82925YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024S25$82.89Sale −$2,072not reportedYesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024M · derivative9,263$11.68$108,19231,607YesForm 4
Agarwal VineetChief Financial OfficerOct 17, 2024Oct 18, 2024M · derivative953$14.98$14,27645,594YesForm 4
Cerio JeffreyGeneral CounselSep 3, 2024Sep 3, 2024A · derivative40,000$44.37$1,774,80040,000NoForm 4
Knobil KatharineAug 26, 2024Aug 28, 2024A · derivative9,041$49.00$443,0099,041NoForm 4
Lucchino David L.Jun 11, 2024Jun 12, 2024A · derivative5,190$42.19$218,9665,190NoForm 4
Pearson Timothy RJun 11, 2024Jun 12, 2024A · derivative5,190$42.19$218,9665,190NoForm 4
Bermingham NessanJun 11, 2024Jun 12, 2024A · derivative5,190$42.19$218,9665,190NoForm 4
Meyers RachelJun 11, 2024Jun 12, 2024A · derivative5,190$42.19$218,9665,190NoForm 4
Formela Jean FrancoisJun 11, 2024Jun 12, 2024A · derivative5,190$42.19$218,9665,190NoForm 4
Behbahani AliJun 11, 2024Jun 12, 2024A · derivative5,190$42.19$218,9665,190NoForm 4
Olugemo OlukemiChief Medical OfficerJun 3, 2024Jun 4, 2024A · derivative65,000$50.48$3,281,20065,000NoForm 4
Sandell Scott DApr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
Makhzoumi MohamadApr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
Yang RickApr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
Mathers Edward TApr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
Florence Anthony A. Jr.Apr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
Walker Paul EdwardApr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
Behbahani AliApr 22, 2024Apr 24, 2024A17,857$56.00$999,9921,090,793NoForm 4
Baskett ForestApr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
NEA Partners 17, L.P.Apr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
Chang CarmenApr 22, 2024Apr 24, 2024P17,857$56.00Purchase +$999,9921,090,793NoForm 4
Atlas Venture Associates Opportunity II, LPApr 22, 2024Apr 23, 2024P17,857$56.00Purchase +$999,992195,074NoForm 4
Formela Jean FrancoisApr 22, 2024Apr 23, 2024A17,857$56.00$999,992195,074NoForm 4
Meyers RachelNov 27, 2023Nov 29, 2023A · derivative12,551$37.50$470,66312,551NoForm 4
Lucchino David L.Nov 22, 2023Nov 27, 2023S110$35.99Sale −$3,95923,196NoForm 4
Lucchino David L.Nov 22, 2023Nov 27, 2023S230$36.74Sale −$8,45022,966NoForm 4
Lucchino David L.Nov 22, 2023Nov 27, 2023S614$37.98Sale −$23,32022,352NoForm 4
Lucchino David L.Nov 22, 2023Nov 27, 2023S202$38.82Sale −$7,84222,150NoForm 4
Lucchino David L.Nov 10, 2023Nov 22, 2023S37$37.92Sale −$1,40324,237NoForm 4
Lucchino David L.Nov 10, 2023Nov 22, 2023S373$39.59Sale −$14,76723,864NoForm 4
Lucchino David L.Nov 10, 2023Nov 22, 2023S41$41.94Sale −$1,72023,823NoForm 4
Lucchino David L.Nov 10, 2023Nov 22, 2023S225$43.17Sale −$9,71323,598NoForm 4
Lucchino David L.Nov 10, 2023Nov 22, 2023S191$44.01Sale −$8,40623,407NoForm 4
Lucchino David L.Nov 10, 2023Nov 22, 2023S67$45.53Sale −$3,05123,340NoForm 4
Lucchino David L.Nov 10, 2023Nov 22, 2023S34$46.23Sale −$1,57223,306NoForm 4
Lucchino David L.Nov 3, 2023Nov 22, 2023M5,600not reportednot reported18,274NoForm 4
Lucchino David L.Nov 3, 2023Nov 22, 2023A6,000not reportednot reported24,274NoForm 4
Lucchino David L.Nov 3, 2023Nov 22, 2023M · derivative5,600$0.00$0not reportedNoForm 4
Formela Jean FrancoisNov 3, 2023Nov 7, 2023A942,075not reportednot reported942,075NoForm 4
Formela Jean FrancoisNov 3, 2023Nov 7, 2023A177,217not reportednot reported177,217NoForm 4
Formela Jean FrancoisNov 3, 2023Nov 7, 2023A · derivative16,000$14.98$239,68016,000NoForm 4
Pearson Timothy RNov 3, 2023Nov 7, 2023A · derivative16,000$14.98$239,68016,000NoForm 4
Agarwal VineetChief Financial OfficerNov 3, 2023Nov 7, 2023A · derivative40,870$11.68$477,36240,870NoForm 4
Agarwal VineetChief Financial OfficerNov 3, 2023Nov 7, 2023A · derivative5,962$22.75$135,6365,962NoForm 4
Agarwal VineetChief Financial OfficerNov 3, 2023Nov 7, 2023A · derivative2,591$20.94$54,2562,591NoForm 4
Agarwal VineetChief Financial OfficerNov 3, 2023Nov 7, 2023A · derivative46,547$14.98$697,27446,547NoForm 4
Aiyar RamPresident and CEONov 3, 2023Nov 7, 2023A4,613not reportednot reported4,613NoForm 4
Aiyar RamPresident and CEONov 3, 2023Nov 7, 2023A · derivative136,234$11.68$1,591,213136,234NoForm 4
Aiyar RamPresident and CEONov 3, 2023Nov 7, 2023A · derivative36,769$22.75$836,49536,769NoForm 4
Aiyar RamPresident and CEONov 3, 2023Nov 7, 2023A · derivative30,130$20.94$630,92230,130NoForm 4
Aiyar RamPresident and CEONov 3, 2023Nov 7, 2023A · derivative156,760$14.98$2,348,265156,760NoForm 4
Chappell ToddChief Operating OfficerNov 3, 2023Nov 7, 2023A · derivative13,625$11.68$159,14013,625NoForm 4
Chappell ToddChief Operating OfficerNov 3, 2023Nov 7, 2023A · derivative4,968$22.75$113,0224,968NoForm 4
Chappell ToddChief Operating OfficerNov 3, 2023Nov 7, 2023A · derivative5,128$20.94$107,3805,128NoForm 4
Chappell ToddChief Operating OfficerNov 3, 2023Nov 7, 2023A · derivative62,651$14.98$938,51262,651NoForm 4
Bermingham NessanNov 3, 2023Nov 7, 2023A35,114not reportednot reported35,114NoForm 4
Bermingham NessanNov 3, 2023Nov 7, 2023A · derivative67,061$11.68$783,27267,061NoForm 4
Bermingham NessanNov 3, 2023Nov 7, 2023A · derivative24,712$20.94$517,46924,712NoForm 4
Walker Shelby J.See RemarksNov 3, 2023Nov 7, 2023A · derivative23,723$21.94$520,48323,723NoForm 4
Walker Shelby J.See RemarksNov 3, 2023Nov 7, 2023A · derivative29,061$14.98$435,33429,061NoForm 4
Colletti SteveChief Scientific OfficerNov 3, 2023Nov 7, 2023A · derivative51,896$21.94$1,138,59851,896NoForm 4
Colletti SteveChief Scientific OfficerNov 3, 2023Nov 7, 2023A · derivative34,478$14.98$516,48034,478NoForm 4
Behbahani AliNov 3, 2023Nov 7, 2023A1,072,936not reportednot reported1,072,936NoForm 4
Behbahani AliNov 3, 2023Nov 7, 2023A · derivative16,000$14.98$239,68016,000NoForm 4