InsiderTrades

RA Capital Nexus Fund III, L.P.

SEC CIK 1883840 · EDGAR

Buying vs selling by month open-market trades, last 44 months, all 3 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SIONSionna Therapeutics, Inc.Dir 6.91M — $14.76M 12025-10-242025-10-24
MLYSMineralys Therapeutics, Inc.Dir 4.28M $37.50M — 32023-02-142025-03-13
BCAXBicara Therapeutics Inc.Dir 2.62M $32.99M — 22024-09-162024-09-16

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 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
MI 2025-10-28 2025-10-24+ SION Sionna Therapeutics, Inc. RA Capital Nexus Fund III, L.P. Dir S - Sale $39.51 -373.6K 6.91M -5% -$14.76M
I 2025-03-17 2025-03-13 MLYS Mineralys Therapeutics, Inc. RA Capital Nexus Fund III, L.P. Dir P - Purchase $13.50 +1.30M 4.28M +43% +$17.50M
DMI 2024-09-18 2024-09-16 BCAX Bicara Therapeutics Inc. RA Capital Nexus Fund III, L.P. Dir C - Cnv Deriv — +5.12M 2.62M New —
DMI 2024-09-18 2024-09-16 BCAX Bicara Therapeutics Inc. RA Capital Nexus Fund III, L.P. Dir P - Purchase $18.00 +1.83M 2.65M +224% +$32.99M
DMI 2023-02-16 2023-02-14 MLYS Mineralys Therapeutics, Inc. RA Capital Nexus Fund III, L.P. Dir P - Purchase $16.00 +1.25M 1.31M +2,041% +$20.00M
DMI 2023-02-16 2023-02-14 MLYS Mineralys Therapeutics, Inc. RA Capital Nexus Fund III, L.P. Dir C - Cnv Deriv — +1.93M 192.8K New —

Purchase Sale Sale after option exercise All abbreviations