Top insider buys: Mar 6 – Mar 12, 2023

The largest open-market purchases company insiders reported on SEC Form 4 between Mar 6 – Mar 12, 2023.

Week 10, 2023

#	Company	Who bought	Shares	Value	Source
1	SMMT Summit Therapeutics Inc.	3 officers/directors Cluster buy Mahkam Zanganeh, Ankur Dhingra, Robert W. Duggan	400,213,286	$420.2M	SEC filings
2	SLRC SLR Investment Corp.	2 officers/directors Cluster buy Michael S. Gross, Bruce J. Spohler	373,572	$5.9M	SEC filings
3	KDP Keurig Dr Pepper Inc.	2 officers/directors Cluster buy Roger Frederick Johnson, Sudhanshu Shekhar Priyadarshi	73,000	$2.5M	SEC filings
4	MEG Montrose Environmental Group, Inc.	2 officers/directors Cluster buy J. Thomas Presby, James K. Price	32,636	$1.2M	SEC filings
5	IHRT iHeartMedia, Inc.	2 officers/directors Cluster buy Richard J. Bressler, Robert W. Pittman	189,036	$1.0M	SEC filings
6	FSP FRANKLIN STREET PROPERTIES CORP /MA/	2 officers/directors Cluster buy Brian N. Hansen, Dennis J. Mcgillicuddy	300,000	$644K	SEC filings
7	TTI TETRA TECHNOLOGIES INC	2 officers/directors Cluster buy Brady M. Murphy, Elijio Serrano V	60,000	$206K	SEC filings
8	CTM Castellum, Inc.	See Remarks Jay O. Wright	30,100	$902.5M	SEC filings
9	OXY OCCIDENTAL PETROLEUM CORP /DE/	10% Owner BERKSHIRE HATHAWAY INC	5,801,791	$354.5M	SEC filings
10	SWX Southwest Gas Holdings, Inc.	10% Owner Carl C. Icahn	2,332,835	$140.3M	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.