Form 4 Tracker
Kristina Burow

10% Owner; Director; Director, 10% Owner · 9 filings · Latest: Jul 1, 2026

Boundless Bio, Inc.
Kardigan, Inc.
Lyell Immunopharma, Inc.
Neumora Therapeutics, Inc.
Scholar Rock Holding Corp
Seaport Therapeutics, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
BOLD
Kristina Burow10% OwnerJul 1, 2026
Sale
$2.4916,000$39.8K0
BOLD
Kristina Burow10% OwnerJul 1, 2026
Option Exercise
$1.0316,000$16.5K16,000
SRRK
Kristina BurowDirectorJul 1, 2026
Sale
$53.743,053$164.1K114,657
SRRK
Kristina BurowJul 1, 2026
Proposed Sale
$54.793,053$167.3K
KARD
Kristina BurowDirector, 10% OwnerJun 22, 2026
Purchase
$16.001,250,000$20.0M15,042,035
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