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Korsana Biosciences, Inc.

KRSA
Healthcare|Biotechnology|US
$31.05
+0.62 (+2.04%)
DCF Value
$6.75
Tangible Book / Share
$685.88
Cash / Share
$751.25

Ownership Breakdown

4.7M
Shares Outstanding
1.7M
Float Shares

Major Holders (36)

Combined: 304.8%

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
Fairmount Funds Management LLCInvestment adviser19.99%9,103,729Sep 11, 202613D/G
Tomas KiselakIndividual19.99%9,106,420Sep 11, 202613D/G
Peter Evan HarwinIndividual19.99%9,103,729Sep 11, 202613D/G
Fairmount Healthcare Fund II L.P.Partnership15.17%6,911,174Sep 11, 202613D/G
Venrock Healthcare Capital Partners III, L.P.Partnership9.90%4,552,277Sep 15, 202613D/G
Nimish ShahIndividual9.90%4,552,277Sep 15, 202613D/G
Bong Y. KohIndividual9.90%4,552,277Sep 15, 202613D/G
VHCP Management XP, LLCOther9.90%4,552,277Sep 15, 202613D/G
VHCP Management EG, LLCOther9.90%4,552,277Sep 15, 202613D/G
VHCP Management III, LLCOther9.90%4,552,277Sep 15, 202613D/G
Venrock Healthcare Capital Partners XP, L.P.Partnership9.90%4,552,277Sep 15, 202613D/G
Venrock Healthcare Capital Partners EG, L.P.Partnership9.90%4,552,277Sep 15, 202613D/G
VHCP Co-Investment Holdings III, LLCOther9.90%4,552,277Sep 15, 202613D/G
Abigail P. JohnsonIndividual6.90%3,144,797Oct 7, 202613D/G
FMR LLCHolding company6.90%3,144,797Oct 7, 202613D/G
GAP (Bermuda) L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
General Atlantic (KB), L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
General Atlantic GenPar, L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
General Atlantic GenPar (Bermuda), L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
General Atlantic (SPV) GP, LLCOther6.80%3,201,131Sep 18, 202613D/G
General Atlantic, L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
GAP Coinvestments PE Holdco GP, L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
GAP Coinvestments PE Holdco, L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
GAP Coinvestments CDA, L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
GAP Coinvestments V, LLCOther6.80%3,201,131Sep 18, 202613D/G
GAP Coinvestments IV, LLCOther6.80%3,201,131Sep 18, 202613D/G
GAP Coinvestments III, LLCOther6.80%3,201,131Sep 18, 202613D/G
General Atlantic Partners 100, L.P.Partnership6.80%3,201,131Sep 18, 202613D/G
GAP Holdings GP, LLCOther6.80%3,201,131Sep 18, 202613D/G
General Atlantic Partners (Lux) SCSpPartnership6.80%3,201,131Sep 18, 202613D/G
General Atlantic GenPar (Lux) SCSpPartnership6.80%3,201,131Sep 18, 202613D/G
General Atlantic (Lux) S.a r.l.Corporation6.80%3,201,131Sep 18, 202613D/G
Wellington Biomedical Innovation Master Investors (Cayman) II, L.P.Partnership6.10%2,775,788Sep 16, 202613D/G
Fairmount Healthcare Co-Invest VI L.P.Partnership4.81%2,192,555Sep 11, 202613D/G
Jason WoodIndividual0.10%25,974Oct 15, 202613D/G
J. Wood Capital Advisors LLCOther0.10%25,974Oct 15, 202613D/G

Insider Trades (100)

Last 4 quarters: 841,574 acquired · 838,395 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Pernice Michelle PatriciadirectorSep 9, 2026AWARD48,445$26.20$1.3MForm 4
Shah Nimish PdirectorSep 9, 2026AWARD48,445$26.20$1.3MForm 4
Fairmount Funds Management LLCdirector, 10 percent owner: Sep 9, 2026AWARD48,445$26.20$1.3MForm 4
Gottesdiener AndrewdirectorSep 9, 2026AWARD48,445$26.20$1.3MForm 4
Violin Jonathandirector, officer: See RemarksSep 8, 2026OTHER0——Form 4
Violin Jonathandirector, officer: See RemarksSep 8, 2026OTHER1,048,244$4.15$4.4MForm 4
Violin Jonathandirector, officer: See RemarksSep 8, 2026OTHER1,984,157$8.06$16.0MForm 4
Leoni Matthew JamesChief Medical OfficerSep 8, 2026OTHER253,415$7.48$1.9MForm 4
Leoni Matthew JamesChief Medical OfficerSep 8, 2026OTHER394,314$8.06$3.2MForm 4
Pernice Michelle PatriciadirectorSep 8, 2026OTHER28,805$4.15$119.5KForm 4
HENSON HEIDIdirectorSep 8, 2026OTHER100,994$8.06$814.0KForm 4
Gottesdiener AndrewSep 8, 2026OTHER0——Form 4
Fairmount Funds Management LLCdirector, 10 percent owner: Sep 8, 2026OTHER0——Form 4
Fairmount Funds Management LLCdirector, 10 percent owner: Sep 8, 2026OTHER0——Form 4
Fairmount Funds Management LLCdirector, 10 percent owner: Sep 8, 2026OTHER2,074,000——Form 4
Fairmount Funds Management LLCdirector, 10 percent owner: Sep 8, 2026OTHER66,436$0.00$6.64Form 4
Shah Nimish PdirectorSep 8, 2026OTHER0——Form 4
Shah Nimish PdirectorSep 8, 2026OTHER1,908,000——Form 4
Shah Nimish PdirectorSep 8, 2026OTHER3,305,044$0.00$330.50Form 4
Vignola Mark J.Chief Financial OfficerSep 8, 2026OTHER253,415$4.15$1.1MForm 4
Vignola Mark J.Chief Financial OfficerSep 8, 2026OTHER394,314$8.06$3.2MForm 4
CHICKO RHONDA M.Chief Financial OfficerAug 14, 2026OPTION EX.25,000$2.35$58.9KForm 4
CHICKO RHONDA M.Chief Financial OfficerAug 14, 2026OPTION EX.25,000$2.35$58.9KForm 4
Graul Regina Margaretdirector, officer: See RemarksAug 14, 2026OPTION EX.55,849$3.30$184.3KForm 4
Graul Regina Margaretdirector, officer: See RemarksAug 14, 2026TAX W/H48,629$3.79$184.3KForm 4
Graul Regina Margaretdirector, officer: See RemarksAug 14, 2026OPTION EX.55,849$3.30$184.3KForm 4
Hecht Peter Mdirector, 10 percent owner: Jul 16, 2026CONVERSION351,037$8.68$3.0MForm 4
Hecht Peter Mdirector, 10 percent owner: Jul 16, 2026CONVERSION351,037——Form 4
CHICKO RHONDA M.Chief Financial OfficerAug 7, 2025AWARD25,000$2.35$58.9KForm 4
Hecht Peter Mdirector, 10 percent owner: Mar 25, 2025AWARD181,818$2.75$500.0KForm 4
Higgins Michael JdirectorMar 25, 2025AWARD9,090$2.75$25.0KForm 4
Slate Path Capital LP10 percent ownerNov 21, 2024SELL357,880$1.55$555.1KForm 4
Graul Regina Margaretdirector, officer: See RemarksAug 5, 2024AWARD55,849$3.30$184.3KForm 4
CHICKO RHONDA M.Chief Financial OfficerMar 4, 2024DISPOSED0——Form 4
Hecht Peter Mdirector, 10 percent owner: Jan 1, 2024AWARD15,000——Form 4
Graul Regina MargaretPresidentJan 1, 2024AWARD50,000——Form 4
Katabi DinadirectorNov 30, 2023DISPOSED0——Form 4
Higgins Michael JdirectorNov 30, 2023DISPOSED0——Form 4
Graul Regina MargaretPresidentDec 1, 2023DISPOSED0——Form 4
Graul Regina MargaretPresidentDec 1, 2023DISPOSED0——Form 4
MCGUIRE TERRANCEdirectorNov 30, 2023AWARD5,000——Form 4
Hecht Peter Mdirector, 10 percent owner: Dec 1, 2023AWARD15,000——Form 4
Hecht Peter Mdirector, 10 percent owner: Nov 30, 2023AWARD20,000——Form 4
DESOUZA ERROL BdirectorNov 30, 2023AWARD20,000——Form 4
DESOUZA ERROL BdirectorNov 30, 2023AWARD30,000——Form 4
Hyman StevendirectorNov 30, 2023AWARD20,000——Form 4
MCGUIRE TERRANCEdirectorAug 9, 2023SELL8$3.40$27.16Form 4
Hecht Peter Mdirector, 10 percent owner, officer: Chief Executive OfficerMay 19, 2023AWARD351,037——Form 4
Hecht Peter Mdirector, 10 percent owner, officer: Chief Executive OfficerMay 19, 2023AWARD225,000$8.68$2.0MForm 4
Hyman StevendirectorJul 25, 2022AWARD57,753$0.78$45.0KForm 4
Hyman StevendirectorJul 25, 2022OTHER0——Form 4
Hyman Stevendirector: Jul 25, 2022AWARD57,753——Form 4
MCGUIRE TERRANCEdirectorJun 14, 2022AWARD20,000$0.53$10.6KForm 4
Lovell StephaniedirectorJun 14, 2022AWARD20,000$0.53$10.6KForm 4
CONRADES GEORGE HdirectorJun 14, 2022AWARD20,000$0.53$10.6KForm 4
Isacson OledirectorJun 14, 2022AWARD20,000$0.53$10.6KForm 4
DESOUZA ERROL BdirectorJun 14, 2022AWARD20,000$0.53$10.6KForm 4
MCGUIRE TERRANCEdirector: Jun 14, 2022AWARD20,000——Form 4
Mendelsohn Michaeldirector: Jun 14, 2022AWARD20,000——Form 4
Fanucci Marshadirector: Jun 14, 2022AWARD20,000——Form 4
Lovell Stephaniedirector: Jun 14, 2022AWARD20,000——Form 4
CONRADES GEORGE Hdirector: Jun 14, 2022AWARD20,000——Form 4
Isacson Oledirector: Jun 14, 2022AWARD20,000——Form 4
DESOUZA ERROL Bdirector: Jun 14, 2022AWARD20,000——Form 4
Busch AndreasChief Scientific OfficerJan 20, 2022AWARD135,000$1.21$163.3KForm 4
Gjino AnjezaChief Financial OfficerJan 20, 2022AWARD135,000$1.21$163.3KForm 4
Hecht Peter Mdirector, officer: Chief Executive OfficerJan 20, 2022AWARD430,000$1.21$520.3KForm 4
Hecht Peter Mdirector, officer: Chief Executive OfficerJan 3, 2022AWARD52,950$1.78$94.3KForm 4
Gault CherylChief Operating OfficerJan 20, 2022AWARD135,000$1.21$163.3KForm 4
Busch AndreasChief Scientific OfficerDec 9, 2021AWARD75,000$1.93$144.8KForm 4
Gjino AnjezaChief Financial OfficerDec 9, 2021AWARD100,000$1.93$193.0KForm 4
Gault CherylChief Operating OfficerDec 9, 2021AWARD100,000$1.93$193.0KForm 4
Lovell StephaniedirectorJun 24, 2021AWARD10,000$3.97$39.7KForm 4
Fanucci MarshadirectorJun 24, 2021AWARD10,000$3.97$39.7KForm 4
Isacson OledirectorJun 24, 2021AWARD10,000$3.97$39.7KForm 4
Churchwell KevindirectorJun 24, 2021AWARD10,000$3.97$39.7KForm 4
Mendelsohn MichaeldirectorJun 24, 2021AWARD10,000$3.97$39.7KForm 4
CONRADES GEORGE HdirectorJun 24, 2021AWARD10,000$3.97$39.7KForm 4
DESOUZA ERROL BdirectorJun 24, 2021AWARD10,000$3.97$39.7KForm 4
MCGUIRE TERRANCEdirectorJun 24, 2021AWARD10,000$3.97$39.7KForm 4
MCGUIRE TERRANCEdirectorJun 3, 2021BUY92,831$3.12$289.6KForm 4
MCGUIRE TERRANCEdirectorJun 3, 2021BUY92,831$3.12$289.6KForm 4
MCGUIRE TERRANCEdirectorJun 3, 2021BUY3,322$3.12$10.4KForm 4
MCGUIRE TERRANCEdirectorJun 3, 2021BUY3,322$3.12$10.4KForm 4
Hecht Peter Mdirector, officer: Chief Executive OfficerJun 3, 2021BUY823,170$3.28$2.7MForm 4
Slate Path Capital LP10 percent ownerJun 3, 2021BUY961,538$3.12$3.0MForm 4
DESOUZA ERROL BdirectorApr 21, 2021DISPOSED0——Form 4
DESOUZA ERROL BdirectorApr 21, 2021OTHER0——Form 4
Hecht Peter Mdirector, officer: Chief Executive OfficerMay 6, 2021BUY302,000$2.43$733.9KForm 4
Hecht Peter Mdirector, officer: Chief Executive OfficerMay 5, 2021BUY398,001$2.53$1.0MForm 4
Hecht Peter Mdirector, officer: Chief Executive OfficerMay 4, 2021BUY300,000$2.29$687.0KForm 4
Gjino AnjezaChief Financial OfficerFeb 25, 2021SELL1,824$4.00$7.3KForm 4
Wright Christopher IChief Medical OfficerFeb 25, 2021SELL2,637$3.99$10.5KForm 4
Gjino AnjezaChief Financial OfficerJan 1, 2021DISPOSED0——Form 4
Gjino AnjezaChief Financial OfficerJan 1, 2021DISPOSED0——Form 4
Gjino AnjezaChief Financial OfficerJan 1, 2021DISPOSED300$12.68$3.8KForm 4
Gjino AnjezaChief Financial OfficerJan 1, 2021DISPOSED250$11.95$3.0KForm 4
Gjino AnjezaChief Financial OfficerJan 1, 2021DISPOSED12,944$14.21$183.9KForm 4
Gjino AnjezaChief Financial OfficerJan 1, 2021DISPOSED30$14.40$432.00Form 4
Gjino AnjezaChief Financial OfficerJan 1, 2021DISPOSED540$15.54$8.4KForm 4