Form 4 Tracker
Kristina Burow

10% Owner; Director · 3 filings · Latest: May 4, 2026

Lyell Immunopharma, Inc.
Scholar Rock Holding Corp
Seaport Therapeutics, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
SPTX
Kristina Burow10% OwnerMay 4, 2026
Purchase
$18.001,100,000$19.8M6,294,951
SRRK
Kristina BurowDirectorApr 23, 2026
Option Exercise
$9.1489,800$820.3K110,871
LYEL
Kristina Burow10% OwnerMar 6, 2026
Purchase
$25.61488,090$12.5M1,426,528
SRRK
Kristina BurowMay 29, 2025
Proposed Sale
$29.665,400$160.2K