LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
BOLDCIK 0001782303

Boundless Bio, Inc.

38 transactions by 12 insiders, from January 23, 2026 to August 26, 2026.

Transactions
3812 insiders
Bought · P
$1.5Mopen market
Sold · S
$134Kopen market
Net
+$1.4Mnet buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Jonathan E. LimDir1———
Jennifer LewDir1———
Zachary HornbyCEO1———
David A. HinkleOfficer1———
Christian HassigChief1———
Jessica OienOfficer1———
Robert DoebeleCMO1———
Nancy WhitingDir1———
James ChristensenDir1———

Large holders and funds

Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.

InsiderTradesPlannedBoughtSold
Kevin Tang10%23—$1.5M$54K
Keith Crandell10%3——$40K
ARCH Venture Fund IX, L.P.10%3——$40K

All transactions

38 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Kevin Tang10%JOINTAug 26S18,300$2.97$54K
Kevin Tang10%JOINTJul 21P2,975$2.44$7K
Kevin Tang10%JOINTJul 20P1,623$2.44$4K
Kevin Tang10%JOINTJul 17P265$2.44$647
Kevin Tang10%JOINTJul 16P18,491$2.44$45K
Kevin Tang10%JOINTJul 15P1,600$2.44$4K
Kevin Tang10%JOINTJul 14P43,878$2.43$107K
Kevin Tang10%JOINTJul 13P48,211$2.42$117K
Kevin Tang10%JOINTJul 10P43,367$2.43$105K
Kevin Tang10%JOINTJul 9P7$2.48$17
Kevin Tang10%JOINTJul 8P14,338$2.46$35K
Kevin Tang10%JOINTJul 7P15,810$2.48$39K
Kevin Tang10%JOINTJul 6P27,062$2.49$67K
Keith Crandell10%DERIVJOINTJul 1M16,000$0.00—?
Keith Crandell10%JOINTJul 1S16,000$2.49$40K
Keith Crandell10%JOINTJul 1M16,000$1.03$16K
ARCH Venture Fund IX, L.P.10%DERIVJOINTJul 1M16,000$0.00—?
ARCH Venture Fund IX, L.P.10%JOINTJul 1S16,000$2.49$40K
ARCH Venture Fund IX, L.P.10%JOINTJul 1M16,000$1.03$16K
Kevin Tang10%JOINTJul 2P9,821$2.49$24K
Kevin Tang10%JOINTJul 1P71,612$2.49$178K
Kevin Tang10%JOINTJun 30P100$2.50$250
Kevin Tang10%JOINTJun 30P25,930$2.54$66K
Kevin Tang10%JOINTJun 29P777$2.48$2K
Kevin Tang10%JOINTJun 29P63,985$2.47$158K
Kevin Tang10%JOINTJun 26P134$2.54$340
Kevin Tang10%JOINTJun 26P75,047$2.55$191K
Kevin Tang10%JOINTJun 25P510$2.56$1K
Kevin Tang10%JOINTJun 25P145,880$2.48$362K
Nancy WhitingDirDERIVJun 15A32,000$0.00—?
Jonathan E. LimDirDERIVJun 15A48,000$0.00—?
James ChristensenDirDERIVJun 15A32,000$0.00—?
Jennifer LewDirDERIVJun 15A32,000$0.00—?
Jessica OienOfficerDERIVJan 23A220,000$0.00—?
Christian HassigChiefDERIVJan 23A230,000$0.00—?
Robert DoebeleCMODERIVJan 23A230,000$0.00—?
Zachary HornbyCEODERIVJan 23A600,000$0.00—?
David A. HinkleOfficerDERIVJan 23A140,000$0.00—?