Insidervault
LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0001581754

James B. Tananbaum

26 transactions in 2 companies, from November 17, 2025 to August 10, 2026.

Transactions
262 companies
Bought · P
$13.1Mopen market
Sold · S
$0open market
Net
+$13.1Mnet buying

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
Latigo Biotherapeutics, Inc.LTGO15$2.5M—
ALUMIS INC.ALMS11$10.6M—

All transactions

26 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirDERIVAug 10C195,776——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirDERIVAug 10C296,880——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirDERIVAug 10C3,117,664——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirDERIVAug 10C742,201——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirDERIVAug 10C1,125,823——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirDERIVAug 10C445,320——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirDERIVAug 10C3,117,664——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirAug 10C296,880——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirAug 10C3,117,664——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirAug 10C195,776——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirAug 10P140,000$18.00$2.5M
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirAug 10C742,201——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirAug 10C1,125,823——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirAug 10C445,320——
Latigo Biotherapeutics, Inc.LTGOJames B. TananbaumDirAug 10C3,117,664——
ALUMIS INC.ALMSJames B. TananbaumDirApr 1J680,486$0.00—
ALUMIS INC.ALMSJames B. TananbaumDirApr 1J1,123,337$0.00—
ALUMIS INC.ALMSJames B. TananbaumDirApr 1J1,123,337$0.00—
ALUMIS INC.ALMSJames B. TananbaumDirApr 1J1,176,470$0.00—
ALUMIS INC.ALMSJames B. TananbaumDirJan 8P294,117$17.00$5.0M
ALUMIS INC.ALMSJames B. TananbaumDirJan 8P117,647$17.00$2.0M
ALUMIS INC.ALMSJames B. TananbaumDirNov 21P72,212$7.38$533K
ALUMIS INC.ALMSJames B. TananbaumDirNov 19P190,500$6.56$1.2M
ALUMIS INC.ALMSJames B. TananbaumDirNov 18P117,374$6.19$727K
ALUMIS INC.ALMSJames B. TananbaumDirNov 17P150,000$5.59$839K
ALUMIS INC.ALMSJames B. TananbaumDirNov 17P50,000$5.60$280K