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A

ARCH Venture Partners IX, LLC

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

1,820,634 Common Stock in LYEL

Held indirectly (See footnote) · as of 2026-03-06

Companies touched

Lyell Immunopharma, Inc.