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A
ARCH Venture Fund IX, L.P.
Open-market buys
1
$12.5M total
Open-market sells
1
$40K total
Tracking since
Mar 2026
Activity timeline
Open-market sale — $40K
Boundless Bio, Inc. · Jul 1, 2026
Open-market buy — $12.5M
Lyell Immunopharma, Inc. · Mar 6, 2026
Open-market trades from the last two years.
Holdings as last reported
2,694,095 Common Stock in BOLD
Held indirectly (See footnotes) · as of 2026-07-01
Companies touched
Boundless Bio, Inc.
CIK 0001782303
