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., Lutnick Brandon	127,781,251	$247.9M	SEC filings
2	ZBIO Zenas BioPharma, Inc.	3 officers/directors Cluster buy MOULDER LEON O JR, Fairmount Funds Management LLC, Lu Hongbo	675,130	$12.8M	SEC filings
3	GWRS Global Water Resources, Inc.	2 officers/directors Cluster buy Cohn Andrew M., Levine Jonathan L	882,223	$9.1M	SEC filings
4	SRRK Scholar Rock Holding Corp	Director AKKARAJU SRINIVAS	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 RAKOLTA JOHN JR	25,154	$1.8M	SEC filings
9	ATYR aTYR PHARMA INC	Director SCHIMMEL PAUL	1,000,000	$912K	SEC filings
10	KMX CARMAX INC	Director ONeil Mark F	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.