Top insider buys: Oct 6 – Oct 12, 2025

The largest open-market purchases company insiders reported on SEC Form 4 between Oct 6 – Oct 12, 2025.

Week 41, 2025

#	Company	Who bought	Shares	Value	Source
1	BGC BGC Group, Inc.	3 officers/directors Cluster buy CF GROUP MANAGEMENT INC, CANTOR FITZGERALD, L. P., Brandon Lutnick	127,781,251	$247.9M	SEC filings
2	ZBIO Zenas BioPharma, Inc.	3 officers/directors Cluster buy Leon O. Moulder Jr., Fairmount Funds Management LLC, Hongbo Lu	675,130	$12.8M	SEC filings
3	GWRS Global Water Resources, Inc.	2 officers/directors Cluster buy Andrew M. Cohn, Jonathan L. Levine	882,223	$9.1M	SEC filings
4	SRRK Scholar Rock Holding Corp	Director Srinivas Akkaraju	500,439	$18.8M	SEC filings
5	CGEM Cullinan Therapeutics, Inc.	10% Owner Lynx1 Capital Management LP	1,459,641	$9.8M	SEC filings
6	ACET Adicet Bio, Inc.	10% Owner ORBIMED ADVISORS LLC	5,000,000	$5.0M	SEC filings
7	ASA ASA Gold & Precious Metals Ltd	10% Owner Saba Capital Management, L.P.	70,462	$3.3M	SEC filings
8	ADC AGREE REALTY CORP	Director John Rakolta Jr.	25,154	$1.8M	SEC filings
9	ATYR aTYR PHARMA INC	Director Paul Schimmel	1,000,000	$912K	SEC filings
10	KMX CARMAX INC	Director Mark F. ONeil	10,816	$500K	SEC filings

Source: SEC Form 4 filings, aggregated per company over the week. Open-market purchases of $100K or more only; grants, awards, option exercises and likely IPO or offering allocations are excluded. Cluster buys (two or more officers or directors buying) rank first, then by dollar value.

Not investment advice. This page reports public SEC data and is not a recommendation to buy or sell any security.