SEC Insider Transactions from ARCH Venture Fund IX, L.P..

Last updated: 2026-03-14 09:58 UTC | Total transactions: 12

ARCH Venture Fund IX, L.P. has filed 12 insider transactions across 1 company since April 2024.

Most recent transaction: a transaction of 589743 shares of Boundless Bio, Inc. ($BOLD) on April 02, 2024.

Activity breakdown: 2 open-market purchases and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Common Stock 589743 $0.00 617,092.0000 1,248 2156.36% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Common Stock 787545 $0.00 828,570.0000 1,248 1919.67% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Common Stock 1048433 $0.00 1,048,433.0000 1,248 9999.99% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found P Common Stock 66667 $16.00 683,759.0000 1,248 10.80% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found P Common Stock 133333 $16.00 1,181,766.0000 1,248 12.72% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Series A Convertible Preferred Stock 424908 $0.00 0.0000 1,248 100.00% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Series A Convertible Preferred Stock 586080 $0.00 0.0000 1,248 100.00% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Series A Convertible Preferred Stock 454212 $0.00 0.0000 1,248 100.00% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Series B Convertible Preferred Stock 227920 $0.00 0.0000 1,248 100.00% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Series C Convertible Preferred Stock 164835 $0.00 0.0000 1,248 100.00% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Series C Convertible Preferred Stock 201465 $0.00 0.0000 1,248 100.00% 100.00%
April 2, 2024 Boundless Bio, Inc. $BOLD ARCH Venture Fund IX, L.P. Not found C Series C Convertible Preferred Stock 366301 $0.00 0.0000 1,248 100.00% 100.00%