Form 4 Tracker
Marcella K. Ruddy

Chief Medical Officer; Director · 7 filings · Latest: Jun 17, 2026

Sionna Therapeutics, Inc.
Tectonic Therapeutic, Inc.
Upstream Bio, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
TECX
Marcella K. RuddyChief Medical OfficerMay 4, 2026
Sale
$30.001,065$31.9K67,682
TECX
Marcella K. RuddyChief Medical OfficerApr 1, 2026
Sale
$31.051,000$31.1K68,747
TECX
Marcella K. RuddyChief Medical OfficerMar 6, 2026
Sale
$30.0010,000$300.0K69,747
TECX
MARCELLA RUDDYMar 6, 2026
Proposed Sale
$27.8512,065$336.0K