Top insider buys: Jan 19 – Jan 25, 2026

The largest open-market purchases company insiders reported on SEC Form 4 between Jan 19 – Jan 25, 2026.

Week 4, 2026

#	Company	Who bought	Shares	Value	Source
1	GME GameStop Corp.	2 officers/directors Cluster buy Cohen Ryan, Attal Alain	1,024,000	$21.9M	SEC filings
2	AIRJ AirJoule Technologies Corp.	2 officers/directors Cluster buy EILERS PATRICK C, Porter Stuart D	230,769	$750K	SEC filings
3	RLI RLI CORP	2 officers/directors Cluster buy Kliethermes Craig W, Klobnak Jennifer L	7,000	$403K	SEC filings
4	WRB BERKLEY W R CORP	10% Owner MITSUI SUMITOMO INSURANCE CO LTD	1,328,000	$89.5M	SEC filings
5	UA Under Armour, Inc.	10% Owner WATSA V PREM ET AL	8,607,267	$49.7M	SEC filings
6	AVO Mission Produce, Inc.	10% Owner Globalharvest Holdings Venture Ltd	1,609,999	$19.4M	SEC filings
7	YYAI AIRWA INC.	Director Zhou Hongyu	4,215,000	$5.8M	SEC filings
8	MIGI Mawson Infrastructure Group Inc.	10% Owner Endeavor Blockchain, LLC	941,279	$5.0M	SEC filings
9	Blackstone Real Estate Income Trust, Inc.	Co-President Agarwal A.J.	287,319	$4.0M	SEC filings
10	VANI Vivani Medical, Inc.	Director Williams Gregg	1,737,765	$2.0M	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.