ARCH Venture Partners X Overage L.P. - Insider Trades & Share Buys/Sales

Real time insider trading transaction history:

Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
Shares are not adjusted for stock split.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Insider Trading Transactions for ARCH Venture Partners X Overage L.P.

Common stock purchase or sale:

Transaction Date	Reported DateTime	Company	Symbol	Insider Relationship	Shares Traded	Average Price	Total Amount	Shares Owned	Filing
2026-07-01 Sale	2026-07-06 5:43 pm	Boundless Bio Inc.	BOLD	ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner	16,000	$2.49	$39,840	2,694,095 (Indirect)	View
2025-10-27 Purchase	2025-10-29 7:19 pm	Neumora Therapeutics Inc.	NMRA	ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Partners X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners VII LLC ARCH Venture Partners VII L.P. ARCH Venture Fund VII L.P. ARCH Venture Partners VIII LLC ARCH Venture Fund VIII Overage L.P. 10% Owner	1,915,700	$2.61	$4,999,977	33,847,838 (Indirect)	View
2025-08-01 Purchase	2025-08-01 7:18 pm	Prime Medicine Inc.	PRME	ARCH Venture Partners X LLC ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner	3,030,300	$3.3	$9,999,990	18,486,894 (Indirect)	View
2024-04-02 Purchase	2024-04-04 4:30 pm	Boundless Bio Inc.	BOLD	ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner	200,000	$16	$3,200,000	1,181,766 (Indirect)	View
2024-02-15 Purchase	2024-02-20 5:37 pm	Prime Medicine Inc.	PRME	ARCH Venture Partners X LLC ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner	3,200,000	$6.25	$20,000,000	15,456,594 (Indirect)	View
2024-02-08 Purchase	2024-02-12 5:43 pm	Sana Biotechnology Inc.	SANA	ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner	1,818,181	$5.5	$9,999,996	22,747,272 (Indirect)	View
2023-09-19 Purchase	2023-09-20 06:15 am	Neumora Therapeutics Inc.	NMRA	ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Partners X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners VII LLC ARCH Venture Partners VII L.P. ARCH Venture Fund VII L.P. ARCH Venture Partners VIII LLC ARCH Venture Fund VIII Overage L.P. 10% Owner	1,500,000	$17	$25,500,000	3,624,143 (Indirect)	View
2022-10-24 Purchase	2022-10-26 8:01 pm	Prime Medicine Inc.	PRME	ARCH Venture Partners X LLC ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner	800,000	$17	$13,600,000	6,128,297 (Indirect)	View

Stock options: Exercise, Award, Grant, Conversion

Transaction Date	Reported DateTime	Exercisable Expiration	Company	Symnbol	Insider Relationship	Shares Traded	Conversion Price	Shares Owned	Filing
2026-07-01 Exercise	2026-07-06 5:43 pm	N/A 2035-06-22	Boundless Bio Inc.	BOLD	ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner	16,000	$0	2,694,095 (Indirect)	View
2026-07-01 Exercise	2026-07-06 5:43 pm	N/A N/A	Boundless Bio Inc.	BOLD	ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner	16,000	$1.03	2,694,095 (Indirect)	View
Ownership	2025-01-30 4:42 pm	N/A N/A	Maze Therapeutics Inc.	MAZE	ARCH Venture Partners X LLC ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. NELSEN ROBERT CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner	0	$0	37,588,634 (Indirect)	View
2024-04-02 Conversion	2024-04-04 4:30 pm	N/A N/A	Boundless Bio Inc.	BOLD	ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner	4,851,442	$0	1,181,766 (Indirect)	View
Ownership	2024-03-27 7:50 pm	N/A N/A	Boundless Bio Inc.	BOLD	ARCH Venture Fund IX L.P. ARCH Venture Fund IX Overage L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners IX L.P. ARCH Venture Partners IX Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners IX LLC ARCH Venture Partners X LLC 10% Owner	0	$0	2,494,095 (Indirect)	View
2023-12-08 Other	2023-12-12 7:52 pm	N/A N/A	Neumora Therapeutics Inc.	NMRA	ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Partners X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners VII LLC ARCH Venture Partners VII L.P. ARCH Venture Fund VII L.P. ARCH Venture Partners VIII LLC ARCH Venture Fund VIII Overage L.P. 10% Owner	1,879,654	$0	32,424,564 (Indirect)	View
2023-09-19 Conversion	2023-09-20 06:15 am	N/A N/A	Neumora Therapeutics Inc.	NMRA	ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Partners X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners VII LLC ARCH Venture Partners VII L.P. ARCH Venture Fund VII L.P. ARCH Venture Partners VIII LLC ARCH Venture Fund VIII Overage L.P. 10% Owner	17,424,704	$0	3,624,143 (Indirect)	View
Ownership	2023-09-14 9:22 pm	N/A N/A	Neumora Therapeutics Inc.	NMRA	ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Partners X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Partners VII LLC ARCH Venture Partners VII L.P. ARCH Venture Fund VII L.P. ARCH Venture Partners VIII LLC ARCH Venture Fund VIII Overage L.P. 10% Owner	0	$0	28,045,420 (Indirect)	View
2022-10-24 Conversion	2022-10-26 8:01 pm	N/A N/A	Prime Medicine Inc.	PRME	ARCH Venture Partners X LLC ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner	41,344,576	$0	6,128,297 (Indirect)	View
Ownership	2022-10-19 8:08 pm	N/A N/A	Prime Medicine Inc.	PRME	ARCH Venture Partners X LLC ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner	0	$0	11,456,594 (Indirect)	View
2021-07-20 Conversion	2021-07-20 8:53 pm	N/A N/A	Erasca Inc.	ERAS	ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. NELSEN ROBERT CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner	18,794,443	$0	5,527,777 (Indirect)	View
Ownership	2021-07-15 9:06 pm	N/A N/A	Erasca Inc.	ERAS	ARCH Venture Partners X LLC ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. NELSEN ROBERT CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner	0	$0	11,055,554 (Indirect)	View

ARCH Venture Partners X Overage L.P. - Insider Trading & Ownership