LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0001214939

William K. Heiden

5 transactions in 2 companies, from May 18, 2026 to June 9, 2026.

Transactions
52 companies
Bought · P
$0open market
Sold · S
$0open market
Net
+$0net buying

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
MACROGENICS INCMGNX4——
Atara Biotherapeutics, Inc.ATRA1——

All transactions

5 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
Atara Biotherapeutics, Inc.ATRAWilliam K. HeidenDirJun 9A12,000$0.00—
MACROGENICS INCMGNXWilliam K. HeidenDirDERIVMay 19A22,000$0.00—?
MACROGENICS INCMGNXWilliam K. HeidenDirDERIVMay 19A3,750$0.00—?
MACROGENICS INCMGNXWilliam K. HeidenDirDERIVMay 18M3,750$0.00—?
MACROGENICS INCMGNXWilliam K. HeidenDirMay 18M3,750——