Top insider buys: Sep 29 – Oct 5, 2025

The largest open-market purchases company insiders reported on SEC Form 4 between Sep 29 – Oct 5, 2025.

Week 40, 2025

#	Company	Who bought	Shares	Value	Source
1	RIG Transocean Ltd.	3 officers/directors Cluster buy Perestroika (Cyprus) Ltd, Perestroika, Frederik Wilhelm Mohn	12,000,000	$36.6M	SEC filings
2	PSEC PROSPECT CAPITAL CORP	2 officers/directors Cluster buy M. Grier Eliasek, John F. Barry	1,295,000	$3.5M	SEC filings
3	FGBI First Guaranty Bancshares, Inc.	3 officers/directors Cluster buy Marshall T. Reynolds, Edgar R. Smith III, Bruce McAnally	203,440	$1.6M	SEC filings
4	PEPG PepGen Inc.	2 separate filers Oxford Science Enterprises plc, RA CAPITAL MANAGEMENT, L.P.	9,575,000	$30.6M	SEC filings
5	MBX MBX Biosciences, Inc.	Director Patrick J. Heron	666,666	$12.0M	SEC filings
6	GGZ.E Gabelli Global Small & Mid Cap Value Trust	Director Mario J. Gabelli	1,150,000	$11.5M	SEC filings
7	OPEN Opendoor Technologies Inc.	Director Eric Chung-Wei Wu	300,752	$2.0M	SEC filings
8	FUND SPROTT FOCUS TRUST INC.	Director W. Whitney George	179,607	$1.5M	SEC filings
9	MIAX MIAMI INTERNATIONAL HOLDINGS, INC.	Director Murray Stahl	34,470	$1.2M	SEC filings
10	UAMY UNITED STATES ANTIMONY CORP	Chairman & CEO Gary C. Evans	100,000	$613K	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.