Form 4 Tracker
Huang James

Director; Director, 10% Owner · 4 filings · Latest: May 29, 2026

Atara Biotherapeutics, Inc.
Connect Biopharma Holdings Ltd
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
CNTB
Huang JamesDirectorMay 29, 2026
Purchase
$2.48150,000$371.6K13,310,000
ATRA
Huang JamesDirector, 10% OwnerMay 7, 2026
Sale
$10.10313,446$3.2M1,011,000
CNTB
Huang JamesDirectorMar 31, 2026
Purchase
$3.451,160,000$4.0M13,160,000
ATRA
Huang JamesDirector, 10% OwnerMar 17, 2026
Option Exercise
$0.0001259,163$26307,899