RA Capital Nexus Fund III, L.P. — insider trades

Stock trades RA Capital Nexus Fund III, L.P. reported on SEC Form 4 at CLYM Climb Bio, Inc., SION Sionna Therapeutics, Inc., SEPN Septerna, Inc., ARTV Artiva Biotherapeutics, Inc., PBLS Parabilis Medicines, Inc..

• Sep 17, 2026: sold 3,448,811 shares of SION Sionna Therapeutics, Inc. ($21.8M)
• Aug 12, 2026: sold 1,493,000 shares of SEPN Septerna, Inc. ($63.5M)
• Jul 31, 2026: bought 45,768 shares of ARTV Artiva Biotherapeutics, Inc. ($456K)
• Jul 24, 2026: bought 41,319 shares of ARTV Artiva Biotherapeutics, Inc. ($413K)
• Jul 23, 2026: bought 264,586 shares of ARTV Artiva Biotherapeutics, Inc. ($2.58M)
• Jul 22, 2026: bought 244,593 shares of PBLS Parabilis Medicines, Inc. ($6.92M)
• Jul 17, 2026: bought 160,354 shares of ARTV Artiva Biotherapeutics, Inc. ($1.43M)
• Jul 13, 2026: bought 6,522 shares of ARTV Artiva Biotherapeutics, Inc. ($58.3K)
• Jun 26, 2026: bought 32,876 shares of ARTV Artiva Biotherapeutics, Inc. ($292K)
• Jun 16, 2026: bought 531,326 shares of ARTV Artiva Biotherapeutics, Inc. ($4.60M)