Form 4 Tracker
Edward T Mathers

10% Owner; Director · 4 filings · Latest: Mar 12, 2026

Korro Bio, Inc.
RHYTHM PHARMACEUTICALS, INC.
SpyGlass Pharma, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
KRRO
Edward T Mathers10% OwnerMar 10, 2026
Purchase
$11.11207,100$2.3M1,297,893
SGP
Edward T Mathers10% OwnerFeb 9, 2026
Purchase
$16.00937,500$15.0M6,035,038