ARCH Venture Partners IX, LLC

10% owner at Lyell Immunopharma, Inc. · on record since Jun 23, 2021
10% owner at Gossamer Bio, Inc. · on record since Feb 12, 2019
10% owner at Karuna Therapeutics, Inc. · on record since Jun 27, 2019
10% owner at Vir Biotechnology, Inc. · on record since Oct 18, 2019
10% owner at Beam Therapeutics Inc. · on record since Feb 11, 2020
10% owner at Sana Biotechnology, Inc. · on record since Feb 10, 2021
10% owner at Boundless Bio, Inc. · on record since Mar 27, 2024

Insider trading activity of ARCH Venture Partners IX, LLC

Transactions on record: 27; since Oct 18, 2019

Open-market buys: 3; $23.2M

Open-market sells: 0

Companies traded: 2; last filing Apr 4, 2024

Figures computed from official regulatory filings — .

Companies where ARCH Venture Partners IX, LLC has traded

Boundless Bio, Inc.12 tx · $3.2M · Apr 4, 2024
Vir Biotechnology, Inc.15 tx · $20M · Jun 6, 2022

Track record of ARCH Venture Partners IX, LLC

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of ARCH Venture Partners IX, LLC

Co-insiders of ARCH Venture Partners IX, LLC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-201,465	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-164,835	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-424,908	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-227,920	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-366,301	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	Buy	133,333	16.00 USD	$2.1M	SEC
Boundless Bio, Inc.	Apr 4, 2024	Other	787,545	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	Buy	66,667	16.00 USD	$1.1M	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-454,212	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	Other	1,048,433	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	Other	589,743	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-586,080	—	—	SEC
Vir Biotechnology, Inc.	Jun 6, 2022	Other	4,426	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jun 6, 2022	Other	13,076	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jun 6, 2022	Other	-217,781	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jun 6, 2022	Other	-282,219	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jul 6, 2021	Other	-2,257,752	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jul 6, 2021	Other	25,279	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jul 6, 2021	Other	8,133	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jul 6, 2021	Other	-1,742,248	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	Other	15,555,554	—	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	OtherD (derivative)	-555,555	—	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	OtherD (derivative)	-13,333,332	—	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	OtherD (derivative)	-2,222,222	—	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	OtherD (derivative)	-11,111,110	—	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-201,465	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-164,835	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-424,908	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-227,920	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-366,301	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	Buy	133,333	16.00 USD	$2.1M	SEC
Boundless Bio, Inc.	Apr 4, 2024	Other	787,545	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	Buy	66,667	16.00 USD	$1.1M	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-454,212	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	Other	1,048,433	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	Other	589,743	—	—	SEC
Boundless Bio, Inc.	Apr 4, 2024	OtherD (derivative)	-586,080	—	—	SEC
Vir Biotechnology, Inc.	Jun 6, 2022	Other	4,426	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jun 6, 2022	Other	13,076	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jun 6, 2022	Other	-217,781	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jun 6, 2022	Other	-282,219	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jul 6, 2021	Other	-2,257,752	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jul 6, 2021	Other	25,279	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jul 6, 2021	Other	8,133	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Jul 6, 2021	Other	-1,742,248	0.00 USD	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	Other	15,555,554	—	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	OtherD (derivative)	-555,555	—	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	OtherD (derivative)	-13,333,332	—	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	OtherD (derivative)	-2,222,222	—	—	SEC
Vir Biotechnology, Inc.	Oct 18, 2019	OtherD (derivative)	-11,111,110	—	—	SEC