OrbiMed Capital GP VIII LLC sold $1.5M of Sionna Therapeutics (SION)

Executed Dec 24 2025, disclosed Dec 29 2025, 5 days later.

Value, as filed

$1.5M

33,356 sh × $44.55

Executed

Dec 24 2025

the trade date, as filed

Disclosed

Dec 29 2025

5 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

OL OrbiMed Capital GP VIII LLC Director profile →

OrbiMed Capital GP VIII LLC (Director) filed 2 Form 4 reports as a reporting entity in the trailing twelve months (0 purchases, 2 sales), most often in Sionna Therapeutics, Inc. (SION). The largest single filing was $1.5M of SION (33,356 sh × $44.55, as filed), executed Dec 24 2025.

The name

SION

Sionna Therapeutics, Inc. SION · Healthcare · 44 filings in 24 months ticker →

Healthcare · Sionna Therapeutics, Inc., a clinical-stage biopharmaceutical company, researches and develops medicines for the treatment of cystic fibros…

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by OrbiMed Capital GP VIII LLC in SION

SIONSALE Sionna Therapeutics, Inc. $1.3M
29,063 sh × $44.58
Exec Feb 3
Filed Feb 4 · 5:30 PM ET SIONPURCHASE Sionna Therapeutics, Inc. $9.9M
550,000 sh × $18.00
Exec Feb 10 2025
Filed Feb 10 2025 · 5:30 PM ET