Ra Capital Management, L.p.

Acumen Pharmaceuticals, Inc. ยท Director, 10% Owner

Ra Capital Management, L.p. is listed in public filings as director, 10 percent owner:. This Ra Capital Management, L.p. insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Acumen Pharmaceuticals, Inc. (ABOS), Tyra Biosciences, Inc. (TYRA), Acrivon Therapeutics, Inc. Common Stock (ACRV), Werewolf Therapeutics, Inc. (HOWL), and Artiva Biotherapeutics, Inc. (ARTV). Investors use Ra Capital Management, L.p.'s insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Acumen Pharmaceuticals, Inc.ABOS--48.3k sharesGrant / ExerciseJun 3, 2026Disclosure amount unavailable35.5k shares----
Acumen Pharmaceuticals, Inc.ABOS$122k53.3k sharesGrant / ExerciseJun 3, 2026$121.9K53.3k shares$2.29--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Tyra Biosciences, Inc.TYRA$430k13.2k sharesGrant / ExerciseMay 28, 2026$430.1K13.2k shares$32.68--
Acrivon Therapeutics, Inc. Common StockACRV--9.4k sharesGrant / ExerciseMay 18, 2026Disclosure amount unavailable9.4k shares----
Werewolf Therapeutics, Inc.HOWL$260k406.3k sharesSellMay 12, 2026$4.3K6.7k shares$0.64--
Werewolf Therapeutics, Inc.HOWL$3.7M5.7M sharesSellMay 12, 2026$60.4K94.4k shares$0.64--
Artiva Biotherapeutics, Inc.ARTV$175M15.2M sharesBuyMay 11, 2026$75.0M6.5M shares$11.52--
Werewolf Therapeutics, Inc.HOWL$277k413k sharesSellMay 11, 2026$3.9K5.8k shares$0.67--
Artiva Biotherapeutics, Inc.ARTV$2172.2M sharesBuyMay 11, 2026$2172.2M shares$0.0001--
Werewolf Therapeutics, Inc.HOWL$3.9M5.8M sharesSellMay 11, 2026$54.7K81.7k shares$0.67--
Werewolf Therapeutics, Inc.HOWL$4.2M5.9M sharesSellMay 8, 2026$249.6K351.5k shares$0.71--
Werewolf Therapeutics, Inc.HOWL$297k418.8k sharesSellMay 8, 2026$17.8K25k shares$0.71--
Climb Bio, Inc.CLYM$2.3k22.5M sharesGrant / ExerciseApr 29, 2026$2112.1M shares$0.0001--
Prelude Therapeutics IncorporatedPRLD$1411.4M sharesOtherApr 27, 2026$1411.4M shares$0.0001--
Acrivon Therapeutics, Inc. Common StockACRV$21M11.8M sharesGrant / ExerciseApr 22, 2026$7.0M3.9M shares$1.80--
Vor Biopharma Inc.VOR$38M2.4M sharesSellApr 22, 2026$2.6M165.2k shares$15.77--
Vor Biopharma Inc.VOR$40M2.6M sharesSellApr 20, 2026$2.7M172k shares$15.77--
Vor Biopharma Inc.VOR$45M2.7M sharesSellApr 17, 2026$7.5M458.4k shares$16.28--
Vor Biopharma Inc.VOR$51M3.2M sharesSellApr 15, 2026$858.8K53.6k shares$16.01--
Vor Biopharma Inc.VOR$52M3.3M sharesSellApr 14, 2026$2.5M153.7k shares$15.97--
Vor Biopharma Inc.VOR$55M3.4M sharesSellApr 13, 2026$8.6M530.6k shares$16.15--
Vor Biopharma Inc.VOR$62M3.9M sharesSellApr 10, 2026$13.0K828 shares$15.75--
Vor Biopharma Inc.VOR$65M3.9M sharesSellApr 9, 2026$2.2M135.2k shares$16.59--
Vor Biopharma Inc.VOR$69M4.2M sharesSellApr 8, 2026$5.8M353.2k shares$16.32--
Vor Biopharma Inc.VOR$69M4.1M sharesSellApr 8, 2026$2.2M130.9k shares$16.91--
Vor Biopharma Inc.VOR$76M4.6M sharesSellApr 6, 2026$8.9M537.8k shares$16.51--
Vor Biopharma Inc.VOR$79M4.6M sharesSellApr 6, 2026$774.2K44.7k shares$17.31--
Vor Biopharma Inc.VOR$84M4.6M sharesSellApr 6, 2026$125.3K6.8k shares$18.50--
Vor Biopharma Inc.VOR$94M5.1M sharesSellApr 2, 2026$4.7M258.5k shares$18.23--
Vor Biopharma Inc.VOR$98M5.1M sharesSellApr 2, 2026$29.1K1.5k shares$19.06--
Wave Life Sciences Ltd.WVE$175M27M sharesBuyMar 30, 2026$6.3M971.1k shares$6.50--
Mineralys Therapeutics, Inc.MLYS$141M5.8M sharesBuyMar 30, 2026$1.4M58.3k shares$24.16--
Wave Life Sciences Ltd.WVE$167M26M sharesBuyMar 27, 2026$16.0M2.5M shares$6.43--
Mineralys Therapeutics, Inc.MLYS$137M5.8M sharesBuyMar 27, 2026$7.4M310.7k shares$23.67--
Wave Life Sciences Ltd.WVE$140M23.2M sharesBuyMar 26, 2026$30.0M5M shares$6.06--
Wave Life Sciences Ltd.WVE$150M23.5M sharesBuyMar 26, 2026$2.2M351.2k shares$6.38--
Acumen Pharmaceuticals, Inc.ABOS$63M19.1M sharesGrant / ExerciseMar 16, 2026$20.0M6.1M shares$3.30--
Bicara Therapeutics Inc. Common StockBCAX$74M4.6M sharesBuyFeb 26, 2026$4.8M300k shares$16.00--
Bicara Therapeutics Inc. Common StockBCAX$2202.2M sharesBuyFeb 26, 2026$2202.2M shares$0.0001--
Mineralys Therapeutics, Inc.MLYS$233k8.3k sharesGrant / ExerciseFeb 19, 2026$232.9K8.3k shares$28.06--
Mineralys Therapeutics, Inc.MLYS--6.2k sharesGrant / ExerciseFeb 19, 2026Disclosure amount unavailable6.2k shares----
Cidara Therapeutics, Inc.CDTX$04.7M sharesOtherJan 7, 2026$1.0B4.7M shares$221.50--
Cidara Therapeutics, Inc.CDTX$022.2k sharesOtherJan 7, 2026$591.0K22.2k shares$26.62--
Cidara Therapeutics, Inc.CDTX$01.3M sharesGrant / ExerciseJan 7, 2026$1291.3M shares$0.0001--
Cidara Therapeutics, Inc.CDTX--90k sharesOtherJan 7, 2026Disclosure amount unavailable90k shares----
Cidara Therapeutics, Inc.CDTX$05.1k sharesOtherJan 7, 2026$108.2K5.1k shares$21.31--
Climb Bio, Inc.CLYM$12M3.4M sharesBuyJan 5, 2026$24.9K7.1k shares$3.50--
Vor Biopharma Inc.VOR$58M5.4M sharesGrant / ExerciseDec 18, 2025$50.0M4.6M shares$10.81--
Vor Biopharma Inc.VOR$38k3k sharesGrant / ExerciseDec 18, 2025$38.4K3k shares$12.80--
Climb Bio, Inc.CLYM$9.7M3.4M sharesBuyDec 12, 2025$290.2K101.5k shares$2.86--
Climb Bio, Inc.CLYM$7.2M3.3M sharesBuyDec 11, 2025$464.6K213.1k shares$2.18--
Climb Bio, Inc.CLYM$2.0k20.4M sharesGrant / ExerciseDec 11, 2025$2.0K20.4M shares$0.0001--
Climb Bio, Inc.CLYM--3.1M sharesOtherDec 11, 2025Disclosure amount unavailable20.4M shares----
Fulcrum Therapeutics, Inc.FULC$88M6.1M sharesSellDec 8, 2025$38.6M2.7M shares$14.28--
Fulcrum Therapeutics, Inc.FULC$118M8.9M sharesSellDec 8, 2025$18.4M1.4M shares$13.33--
Fulcrum Therapeutics, Inc.FULC$91M6.1M sharesSellDec 8, 2025$1.4M91.7k shares$14.98--
Sionna Therapeutics, Inc.SION$26M650.3k sharesSellNov 21, 2025$392.0K9.9k shares$39.50--
Sionna Therapeutics, Inc.SION$6.3M159k sharesSellNov 21, 2025$300.6K7.6k shares$39.50--
Sionna Therapeutics, Inc.SION$87M2.2M sharesSellNov 21, 2025$254.4K6.4k shares$39.50--
Sionna Therapeutics, Inc.SION$272M6.9M sharesSellNov 21, 2025$47.8K1.2k shares$39.50--
Sionna Therapeutics, Inc.SION$279M6.9M sharesSellNov 20, 2025$3.9K96 shares$40.50--
Sionna Therapeutics, Inc.SION$26M661k sharesSellNov 20, 2025$49.3K1.2k shares$39.89--
Sionna Therapeutics, Inc.SION$6.7M167.2k sharesSellNov 20, 2025$37.8K947 shares$39.89--
Sionna Therapeutics, Inc.SION$88M2.2M sharesSellNov 20, 2025$32.0K801 shares$39.89--
Sionna Therapeutics, Inc.SION$27M660.2k sharesSellNov 20, 2025$31.9K788 shares$40.50--
Sionna Therapeutics, Inc.SION$6.7M166.6k sharesSellNov 20, 2025$24.5K604 shares$40.50--
Sionna Therapeutics, Inc.SION$89M2.2M sharesSellNov 20, 2025$20.7K512 shares$40.50--
Sionna Therapeutics, Inc.SION$275M6.9M sharesSellNov 20, 2025$6.0K150 shares$39.89--
Sionna Therapeutics, Inc.SION$26M662.3k sharesSellNov 19, 2025$747.5K18.7k shares$40.01--
Sionna Therapeutics, Inc.SION$6.7M168.2k sharesSellNov 19, 2025$573.1K14.3k shares$40.01--
Sionna Therapeutics, Inc.SION$88M2.2M sharesSellNov 19, 2025$485.2K12.1k shares$40.01--
Sionna Therapeutics, Inc.SION$27M662.3k sharesSellNov 19, 2025$48712 shares$40.61--
Sionna Therapeutics, Inc.SION$6.8M168.2k sharesSellNov 19, 2025$3659 shares$40.61--
Sionna Therapeutics, Inc.SION$90M2.2M sharesSellNov 19, 2025$3258 shares$40.61--
Sionna Therapeutics, Inc.SION$280M6.9M sharesSellNov 19, 2025$812 shares$40.61--
Sionna Therapeutics, Inc.SION$276M6.9M sharesSellNov 19, 2025$91.1K2.3k shares$40.01--
Sionna Therapeutics, Inc.SION$27M681k sharesSellNov 18, 2025$107.9K2.7k shares$39.57--
Sionna Therapeutics, Inc.SION$7.2M182.5k sharesSellNov 18, 2025$82.8K2.1k shares$39.57--
Sionna Therapeutics, Inc.SION$88M2.2M sharesSellNov 18, 2025$70.0K1.8k shares$39.57--
Sionna Therapeutics, Inc.SION$273M6.9M sharesSellNov 18, 2025$13.1K332 shares$39.57--