InsiderTrades

RA CAPITAL MANAGEMENT, L.P.

SEC CIK 1346824 · EDGAR

Buying vs selling by month open-market trades, last 56 months, all 27 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SIONSionna Therapeutics, Inc.Dir, 10% 3.45M $20.25M $27.34M 42025-02-102026-09-17
VORVor Biopharma Inc.Dir, 10% 1,500 — $55.62M 102025-10-232026-08-24
SEPNSepterna, Inc.Dir, 10% 725.4K — $63.45M 12026-08-122026-08-12
ARTVArtiva Biotherapeutics, Inc.Dir, 10% 17.33M $92.68M — 102026-05-112026-07-29
IKTInhibikase Therapeutics, Inc.10% 6.97M — — 12026-07-292026-07-29
FRNMFreenome, Inc.Dir, 10% 1.25M — — 12026-07-202026-07-20
PBLSParabilis Medicines, Inc.Dir, 10% 26.53M $430.69M — 32026-06-112026-07-20
HOWLWerewolf Therapeutics, Inc.10% 303.7K — $963.9K 42026-05-082026-06-17
COAGHemab Therapeutics Holdings, Inc.Dir, 10% 6.44M $55.46M — 62026-05-042026-06-15
JANXJanux Therapeutics, Inc.Dir, 10% 11.8K — — 22024-06-262026-06-11
ABOSAcumen Pharmaceuticals, Inc.Dir, 10% 48.3K $40.00M — 22023-07-212026-06-03
ACRVAcrivon Therapeutics, Inc.Dir, 10% 9,366 — — 22026-04-222026-05-18
ACETAdicet Bio, Inc.10% 932.6K $1.60M — 22026-02-182026-04-27
PRLDPrelude Therapeutics Inc10% 6.48M — — 12026-04-272026-04-27
WVEWave Life Sciences, Inc.Dir, 10% 23.16M $59.63M — 42023-12-112026-03-26
BCAXBicara Therapeutics Inc.Dir, 10% 4.60M $4.80M — 12026-02-262026-02-26
EVMNEvommune, Inc.Dir, 10% 691.4K $20.00M — 22025-11-072025-11-07
MLYSMineralys Therapeutics, Inc.Dir 5.46M $30.00M — 22024-02-122025-09-04
TYRATyra Biosciences, Inc.Dir, 10% 10.25M $1.66M — 12025-06-122025-06-12
FDMT4D Molecular Therapeutics, Inc.10% 4.56M — — 12024-12-092024-12-09
NKTXNkarta, Inc.Dir, 10% 10.05M $30.00M — 12024-03-272024-03-27
SPRYARS Pharmaceuticals, Inc.Dir, 10% 8.99M $36.54M — 22023-08-292024-03-25
BDTXBlack Diamond Therapeutics, Inc.Dir 3.21M $4.68M — 12023-07-052023-07-05
FULCFulcrum Therapeutics, Inc.10% 11.61M $38.08M — 22022-12-142023-01-20
ELVNEnliven Therapeutics, Inc.10% 3.88M $2.52M — 12023-01-032023-01-03
SLDBSolid Biosciences Inc.Dir, 10% 2.99M — — 12022-12-022022-12-02
CTKBCytek Biosciences, Inc.Dir 9.94M $7.43M — 12022-02-142022-02-14

Most active insiders at SION, 12 months

#InsiderTitleBoughtSold
1 Thompson Peter A.Dir —$55.67M
2 ORBIMED ADVISORS LLCDir —$52.73M
3 RA CAPITAL MANAGEMENT, L.P.Dir, 10% —$27.34M
4 Booth BruceDir —$22.09M
5 RA Capital Nexus Fund III, L.P.Dir —$14.76M
6 WINKELRIED JON10% —$10.00M
7 Cloonan MichaelPres, CEO, Dir —$5.13M
8 OrbiMed Capital GP VIII LLCDir —$2.95M
9 Fitzpatrick JenniferCLO, Head of Program Mgmt —$1.21M
10 Kolchinsky PeterDir, 10% —$1.20M

Transactions 69

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
MI 2026-09-21 18:56 2026-09-17 SION Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $6.33 -3.45M 3.45M -50% -$21.84M
DI 2026-08-26 18:28 2026-08-24 VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. 10% M - OptEx $3.74 +1,500 1,500 New +$5,604
MI 2026-08-14 17:11 2026-08-12 SEPN Septerna, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $42.50 -1.49M 725.4K -67% -$63.45M
MI 2026-07-31 17:13 2026-07-29+ ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $9.96 +45.8K 17.33M +0.3% +$455.7K
DI 2026-07-31 16:32 2026-07-29 IKT Inhibikase Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% J - Other — -18.03M 6.97M -72% —
I 2026-07-28 17:24 2026-07-24 ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $9.99 +41.3K 17.28M +0.2% +$412.8K
MI 2026-07-23 21:22 2026-07-21+ ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $9.76 +264.6K 17.24M +2% +$2.58M
AI 2026-07-23 21:21 2026-07-13 ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $8.94 +6,522 16.82M +0.0% +$58.3K
MI 2026-07-22 17:31 2026-07-20 FRNM Freenome, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $10.00 +14.62M 1.25M New +$146.17M
MI 2026-07-22 16:55 2026-07-20+ PBLS Parabilis Medicines, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $28.29 +244.6K 26.53M +0.9% +$6.92M
DI 2026-07-21 16:54 2026-07-16 VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. 10% X - OptEx $0.002 +2.10M 4.50M +87% +$4,200
DI 2026-07-21 16:54 2026-07-16 VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. 10% S - Sale+OE $19.75 -213 4.50M -0.0% -$4,207
MI 2026-07-20 18:08 2026-07-16+ ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $8.93 +160.4K 16.98M +1.0% +$1.43M
MI 2026-07-14 19:00 2026-07-10+ ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $8.96 +21.7K 16.82M +0.1% +$194.0K
MI 2026-06-29 16:20 2026-06-25+ ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $8.89 +32.9K 16.80M +0.2% +$292.1K
MI 2026-06-22 18:59 2026-06-17 HOWL Werewolf Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% S - Sale $0.35 -416.9K 303.7K -58% -$145.9K
MI 2026-06-17 18:24 2026-06-15+ COAG Hemab Therapeutics Holdings, Inc. RA CAPITAL MANAGEMENT, L.P. 10% P - Purchase $24.97 +67.7K 6.44M +1% +$1.69M
MI 2026-06-16 18:08 2026-06-12+ ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $8.66 +531.3K 16.76M +3% +$4.60M
MI 2026-06-16 18:01 2026-06-12+ HOWL Werewolf Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% S - Sale $0.3871 -448.8K 331.4K -58% -$173.8K
DMI 2026-06-15 18:57 2026-06-11 PBLS Parabilis Medicines, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% C - Cnv Deriv — +7.74M 1.19M New —
DMI 2026-06-15 18:57 2026-06-11 PBLS Parabilis Medicines, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $20.00 +21.19M 2.65M New +$423.77M
DI 2026-06-12 20:30 2026-06-11 JANX Janux Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $0.00 +5,500 11.8K +88% $0
MI 2026-06-11 20:13 2026-06-09+ HOWL Werewolf Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% S - Sale $0.3739 -678.2K 361.2K -65% -$253.6K
MI 2026-06-11 19:36 2026-06-09+ ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $7.44 +1.03M 16.23M +7% +$7.65M
DI 2026-06-05 17:12 2026-06-03 ABOS Acumen Pharmaceuticals, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $0.00 +35.5K 48.3K +277% $0
MI 2026-05-21 16:20 2026-05-19+ COAG Hemab Therapeutics Holdings, Inc. RA CAPITAL MANAGEMENT, L.P. 10% P - Purchase $24.96 +4,798 6.38M +0.1% +$119.8K
I 2026-05-20 16:59 2026-05-18 ACRV Acrivon Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $0.00 +9,366 9,366 New $0
I 2026-05-14 17:21 2026-05-12 COAG Hemab Therapeutics Holdings, Inc. RA CAPITAL MANAGEMENT, L.P. 10% P - Purchase $24.90 +6,387 6.37M +0.1% +$159.0K
DI 2026-05-13 17:45 2026-05-11 ARTV Artiva Biotherapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $11.52 +6.51M 15.20M +75% +$75.00M
MI 2026-05-12 18:26 2026-05-08+ HOWL Werewolf Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% S - Sale $0.6913 -565.2K 406.3K -58% -$390.7K
MI 2026-05-11 17:44 2026-05-07+ COAG Hemab Therapeutics Holdings, Inc. RA CAPITAL MANAGEMENT, L.P. 10% P - Purchase $24.75 +51.3K 6.37M +0.8% +$1.27M
DMI 2026-05-06 19:16 2026-05-04 COAG Hemab Therapeutics Holdings, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% C - Cnv Deriv — +4.84M 221.2K New —
DMI 2026-05-06 19:16 2026-05-04+ COAG Hemab Therapeutics Holdings, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $18.39 +2.84M 6.31M +82% +$52.22M
DI 2026-04-29 16:15 2026-04-27 ACET Adicet Bio, Inc. RA CAPITAL MANAGEMENT, L.P. 10% J - Other — -250.0K 932.6K -21% —
DI 2026-04-28 17:14 2026-04-27 PRLD Prelude Therapeutics Inc RA CAPITAL MANAGEMENT, L.P. 10% J - Other — -1.41M 6.48M -18% —
I 2026-04-24 18:12 2026-04-22 VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $15.77 -165.2K 2.40M -6% -$2.60M
I 2026-04-23 16:28 2026-04-22 ACRV Acrivon Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $1.80 +3.89M 11.80M +49% +$7.00M
MI 2026-04-21 19:04 2026-04-17+ VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $16.14 -630.4K 2.57M -20% -$10.17M
MI 2026-04-15 17:29 2026-04-13+ VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $16.10 -738.0K 3.20M -19% -$11.88M
MI 2026-04-13 17:20 2026-02-18+ ACET Adicet Bio, Inc. RA CAPITAL MANAGEMENT, L.P. 10% P - Purchase $7.17 +223.6K 1.18M +23% +$1.60M
MI 2026-04-10 18:23 2026-04-08+ VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $16.50 -620.1K 3.94M -14% -$10.23M
MI 2026-04-06 18:51 2026-04-02+ VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $17.10 -849.3K 4.56M -16% -$14.52M
MI 2026-03-30 2026-03-26+ WVE Wave Life Sciences, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $6.23 +8.77M 23.16M +61% +$54.62M
DI 2026-03-02 2026-02-26 BCAX Bicara Therapeutics Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $16.00 +300.0K 4.60M +7% +$4.80M
DI 2025-12-19 2025-12-18 VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $10.81 -4.63M 5.40M -46% -$50.00M
MI 2025-11-19 2025-11-17+ SION Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $40.34 -136.4K 182.5K -43% -$5.50M
I 2025-11-14 2025-11-13 WVE Wave Life Sciences, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $6.69 +1,000 18.20M +0.0% +$6,690
DMI 2025-11-12 2025-11-07 EVMN Evommune, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% C - Cnv Deriv — +2.21M 691.4K New —
DMI 2025-11-12 2025-11-07 EVMN Evommune, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $16.00 +1.25M 784.3K New +$20.00M
MI 2025-10-27 2025-10-23+ VOR Vor Biopharma Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% S - Sale $28.06 -221.2K 1.27M -15% -$6.20M
I 2025-09-08 2025-09-04 MLYS Mineralys Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir P - Purchase $25.50 +1.18M 5.46M +27% +$30.00M
MI 2025-06-16 2025-06-12+ TYRA Tyra Biosciences, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $10.19 +163.3K 10.25M +2% +$1.66M
DMI 2025-02-10 2025-02-10 SION Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% C - Cnv Deriv — +7.95M 327.8K New —
DMI 2025-02-10 2025-02-10 SION Sionna Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $18.00 +1.12M 2.32M +94% +$20.25M
DI 2024-12-10 2024-12-09 FDMT 4D Molecular Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% J - Other $0.00 -535.0K 4.56M -10% $0
DI 2024-08-14 2024-08-12 WVE Wave Life Sciences, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $0.00 +16.1K 16.1K New $0
DI 2024-06-28 2024-06-26 JANX Janux Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $0.00 +2,500 2,500 New $0
DI 2024-03-29 2024-03-27 NKTX Nkarta, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $10.00 +3.00M 10.05M +43% +$30.00M
MI 2024-03-27 2024-03-25+ SPRY ARS Pharmaceuticals, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $9.48 +1.40M 8.99M +18% +$13.29M
DI 2024-02-14 2024-02-12 MLYS Mineralys Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir A - Grant $13.50 +1.67M 2.98M +128% +$22.58M
AI 2024-01-17 2023-12-11 WVE Wave Life Sciences, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $5.00 +1.00M 18.20M +6% +$5.00M
I 2023-08-31 2023-08-29 SPRY ARS Pharmaceuticals, Inc. RA CAPITAL MANAGEMENT, L.P. Dir P - Purchase $6.20 +3.75M 5.86M +178% +$23.25M
I 2023-07-25 2023-07-21 ABOS Acumen Pharmaceuticals, Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% P - Purchase $7.75 +5.16M 13.04M +65% +$40.00M
I 2023-07-07 2023-07-05 BDTX Black Diamond Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. Dir P - Purchase $5.00 +935.9K 3.21M +41% +$4.68M
I 2023-01-24 2023-01-20 FULC Fulcrum Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% P - Purchase $13.00 +1.92M 11.61M +20% +$25.00M
I 2023-01-05 2023-01-03 ELVN Enliven Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% P - Purchase $4.00 +629.3K 3.88M +19% +$2.52M
MI 2022-12-16 2022-12-14+ FULC Fulcrum Therapeutics, Inc. RA CAPITAL MANAGEMENT, L.P. 10% P - Purchase $5.44 +2.40M 8.06M +42% +$13.08M
MI 2022-12-05 2022-12-02 SLDB Solid Biosciences Inc. RA CAPITAL MANAGEMENT, L.P. Dir, 10% A - Grant $7.05 +2.57M 2.99M +621% +$18.14M
MI 2022-02-16 2022-02-14+ CTKB Cytek Biosciences, Inc. RA CAPITAL MANAGEMENT, L.P. Dir P - Purchase $14.90 +498.6K 9.94M +5% +$7.43M

Purchase Sale Sale after option exercise All abbreviations