InsiderTrades

OrbiMed Capital GP VIII LLC

SEC CIK 1845804 · EDGAR

Buying vs selling by month open-market trades, last 24 months, SION
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SIONSionna Therapeutics, Inc.Dir 3.53M $9.90M $2.95M 52025-02-102026-02-02

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 5

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
MI 2026-02-04 2026-02-02+ SION Sionna Therapeutics, Inc. OrbiMed Capital GP VIII LLC Dir S - Sale $44.58 -31.0K 3.53M -0.9% -$1.38M
I 2025-12-29 2025-12-24 SION Sionna Therapeutics, Inc. OrbiMed Capital GP VIII LLC Dir S - Sale $44.55 -33.4K 3.56M -0.9% -$1.49M
MI 2025-12-19 2025-12-17+ SION Sionna Therapeutics, Inc. OrbiMed Capital GP VIII LLC Dir S - Sale $44.49 -1,875 3.60M -0.1% -$83.4K
DI 2025-02-10 2025-02-10 SION Sionna Therapeutics, Inc. OrbiMed Capital GP VIII LLC Dir C - Cnv Deriv — +3.15M 3.15M New —
DI 2025-02-10 2025-02-10 SION Sionna Therapeutics, Inc. OrbiMed Capital GP VIII LLC Dir P - Purchase $18.00 +550.0K 3.70M +17% +$9.90M

Purchase Sale Sale after option exercise All abbreviations