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Climb Bio, Inc.

CLYM
Healthcare|Biotechnology|US
$10.29
+1.42 (+16.01%)
DCF Value
$0.49
Tangible Book / Share
$2.85
Cash / Share
$2.57

Ownership Breakdown

90.2%
Float
57.4M
Shares Outstanding
51.8M
Float Shares

Major Holders (18)

Combined: 218.0%

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
RA Capital Management, L.P.IA, PN33.00%23,249,186Jul 7, 202613D/G
Rajeev ShahHC, IN33.00%23,249,186Jul 7, 202613D/G
Peter KolchinskyHC, IN33.00%23,249,186Jul 7, 202613D/G
RA Capital Healthcare Fund, L.P.Partnership24.10%16,934,205Jul 7, 202613D/G
FMR LLCHolding company15.00%8,615,432Nov 5, 202613D/G
Abigail P. JohnsonIndividual15.00%8,615,432Nov 5, 202613D/G
RA Capital Nexus Fund III, L.P.Partnership6.40%3,671,766Jul 7, 202613D/G
Access Industries Management, LLCOther5.66%3,835,117Oct 7, 202513D/G
Access Industries Holdings LLCOther5.66%3,835,117Oct 7, 202513D/G
Ai Eti LLCOther5.66%3,835,117Oct 7, 202513D/G
Len BlavatnikIndividual5.66%3,835,117Oct 7, 202513D/G
MPM BioImpact LLCInvestment adviser5.60%2,671,480Feb 17, 202613D/G
Deerfield Partners, L.P.Partnership5.25%3,070,000Oct 28, 202613D/G
James E. FlynnIndividual5.25%3,070,000Oct 28, 202613D/G
Deerfield Management Company, L.P.Partnership5.25%3,070,000Oct 28, 202613D/G
Deerfield Mgmt, L.P.Partnership5.25%3,070,000Oct 28, 202613D/G
BlackRock, Inc.Holding company5.00%2,895,165Oct 27, 202613D/G
Sera Medicines, LLCOther4.30%2,479,872Apr 29, 202613D/G

Insider Trades (78)

Last 4 quarters: 25,269,490 acquired · 20,859,652 disposed
InsiderPositionDateTypeSharesPriceValueFiling
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Sep 28, 2026OPTION EX.40,000$1.29$51.6KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Sep 28, 2026OPTION EX.10,000$7.89$78.9KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Sep 28, 2026OPTION EX.10,000$3.00$30.0KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Sep 28, 2026OPTION EX.10,000$3.46$34.6KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Sep 28, 2026OPTION EX.40,000$1.29$51.6KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Sep 28, 2026OPTION EX.10,000$3.46$34.6KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Sep 28, 2026OPTION EX.10,000$3.00$30.0KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Sep 28, 2026OPTION EX.10,000$7.89$78.9KForm 4
Thomas Stephen BasildirectorSep 15, 2026SELL100,000$13.67$1.4MForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Jun 29, 2026AWARD70,284$13.36$939.0KForm 4
Celebi Breanna MaurinedirectorJun 29, 2026AWARD70,284$13.36$939.0KForm 4
Celebi Breanna MaurineJun 29, 2026OTHER0——Form 4
Brennan Aoifedirector, officer: President and CEOJun 27, 2026OPTION EX.68,750——Form 4
Brennan Aoifedirector, officer: President and CEOJun 27, 2026OPTION EX.68,750——Form 4
Brennan Aoifedirector, officer: President and CEOJun 29, 2026SELL30,902$13.17$407.0KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Jun 5, 2026AWARD40,000$10.55$422.0KForm 4
Levin Andrew DaviddirectorJun 5, 2026AWARD40,000$10.55$422.0KForm 4
Drapkin Kimberlee CdirectorJun 5, 2026AWARD40,000$10.55$422.0KForm 4
WILLIAMS DOUGLAS EdirectorJun 5, 2026AWARD40,000$10.55$422.0KForm 4
Cumbo AlexanderdirectorJun 5, 2026AWARD40,000$10.55$422.0KForm 4
Thomas Stephen BasildirectorJun 5, 2026AWARD40,000$10.55$422.0KForm 4
Dunn JudithdirectorJun 5, 2026AWARD40,000$10.55$422.0KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Apr 29, 2026AWARD2,106,000$0.00$210.60Form 4
Thomas Stephen BasildirectorFeb 25, 2026SELL33,687$7.00$236.0KForm 4
Thomas Stephen BasildirectorFeb 26, 2026SELL16,313$7.01$114.3KForm 4
Thomas Stephen BasildirectorFeb 12, 2026SELL90,000$5.23$471.0KForm 4
Thomas Stephen BasildirectorFeb 13, 2026SELL10,000$5.81$58.1KForm 4
Brennan Aoifedirector, officer: President and CEOJan 6, 2026AWARD700,000$3.81$2.7MForm 4
Wilson Perrin MeganChief Business OfficerJan 6, 2026AWARD300,000$3.81$1.1MForm 4
ALTSCHULLER SusanChief Financial OfficerJan 6, 2026AWARD142,500$3.81$542.9KForm 4
Driscoll CindySenior Vice President, FinanceJan 6, 2026AWARD100,000$3.81$381.0KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Jan 5, 2026BUY7,111$3.50$24.9KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Dec 11, 2025AWARD20,440,000$0.00$2.0KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Dec 12, 2025BUY101,462$2.86$290.2KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Dec 11, 2025BUY213,099$2.18$464.6KForm 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Dec 11, 2025DISPOSED20,440,000——Form 4
ALTSCHULLER SusanChief Financial OfficerOct 1, 2025AWARD600,000$1.97$1.2MForm 4
ALTSCHULLER SusanOct 1, 2025OTHER0——Form 4
Thomas Stephen BasildirectorAug 7, 2025AWARD100,375——Form 4
Brennan Aoifedirector, officer: President and CEOJun 27, 2025OPTION EX.68,750——Form 4
Brennan Aoifedirector, officer: President and CEOJun 27, 2025OPTION EX.68,750——Form 4
Brennan Aoifedirector, officer: President and CEOJun 30, 2025SELL20,618$1.22$25.2KForm 4
Thomas Stephen BasildirectorJun 27, 2025OPTION EX.25,094——Form 4
Thomas Stephen BasildirectorJun 27, 2025OPTION EX.25,094——Form 4
Wilson Perrin MeganChief Business OfficerJun 17, 2025OTHER600,000$1.58$948.0KForm 4
Driscoll CindySenior Vice President, FinanceJun 17, 2025AWARD200,000$1.20$240.0KForm 4
Pimblett EmilySVP, Finance & CAOJun 18, 2025OPTION EX.5,000——Form 4
Pimblett EmilySVP, Finance & CAOJun 20, 2025SELL1,242$1.24$1.5KForm 4
Pimblett EmilySVP, Finance & CAOJun 18, 2025OPTION EX.5,000——Form 4
Driscoll CindyJun 17, 2025OTHER0——Form 4
RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Jun 4, 2025AWARD40,000$1.29$51.6KForm 4
Drapkin Kimberlee CdirectorJun 4, 2025AWARD40,000$1.29$51.6KForm 4
Cumbo AlexanderdirectorJun 4, 2025AWARD40,000$1.29$51.6KForm 4
Dunn JudithdirectorJun 4, 2025AWARD40,000$1.29$51.6KForm 4
WILLIAMS DOUGLAS EdirectorJun 4, 2025AWARD40,000$1.29$51.6KForm 4
Levin Andrew DaviddirectorJun 4, 2025AWARD40,000$1.29$51.6KForm 4
Thomas Stephen BasildirectorJun 4, 2025AWARD40,000$1.29$51.6KForm 4
WILLIAMS DOUGLAS EdirectorMar 31, 2025AWARD78,873$1.22$96.2KForm 4
Drapkin Kimberlee CdirectorMar 28, 2025AWARD80,000$1.28$102.4KForm 4
Cumbo AlexanderdirectorMar 28, 2025AWARD80,000$1.28$102.4KForm 4
Drapkin Kimberlee CMar 28, 2025OTHER0——Form 4
Cumbo AlexanderMar 28, 2025OTHER0——Form 4
Thomas Stephen BasildirectorMar 27, 2025OPTION EX.25,093——Form 4
Thomas Stephen BasildirectorMar 27, 2025OPTION EX.25,093——Form 4
Pimblett EmilySVP, Finance & CAOMar 18, 2025OPTION EX.5,000——Form 4
Pimblett EmilySVP, Finance & CAOMar 18, 2025OPTION EX.5,000——Form 4
Pimblett EmilySVP, Finance & CAOMar 20, 2025SELL1,199$1.31$1.6KForm 4
Brennan Aoifedirector, officer: President and CEOJan 13, 2025AWARD1,150,000$1.92$2.2MForm 4
Pimblett EmilySVP, Finance and CAOJan 13, 2025AWARD100,000$1.92$192.0KForm 4
Kaplan BrettChief Operating OfficerJan 13, 2025AWARD500,000$1.92$960.0KForm 4
Thomas Stephen BasildirectorJan 1, 2025OPTION EX.50,188——Form 4
Thomas Stephen BasildirectorJan 1, 2025OPTION EX.50,188——Form 4
Pimblett EmilyCHIEF ACCOUNTING OFFICERDec 18, 2024OPTION EX.5,000——Form 4
Pimblett EmilyCHIEF ACCOUNTING OFFICERDec 18, 2024OPTION EX.5,000——Form 4
Pimblett EmilyCHIEF ACCOUNTING OFFICERDec 19, 2024SELL1,235$2.02$2.5KForm 4
WILLIAMS DOUGLAS EdirectorNov 11, 2024AWARD20,000$4.06$81.2KForm 4
WILLIAMS DOUGLAS EdirectorNov 11, 2024AWARD6,291$4.06$25.5KForm 4
WILLIAMS DOUGLAS ENov 8, 2024OTHER0——Form 4