Top insider buys: Dec 11 – Dec 17, 2023

The largest open-market purchases company insiders reported on SEC Form 4 between Dec 11 – Dec 17, 2023.

Week 50, 2023

#	Company	Who bought	Shares	Value	Source
1	WBD Warner Bros. Discovery, Inc.	2 officers/directors Cluster buy Steven O. Newhouse, ADVANCE/NEWHOUSE PARTNERSHIP	20,000,000	$249.8M	SEC filings
2	RMBL RumbleOn, Inc.	2 officers/directors Cluster buy Mark Tkach, William Coulter, Mark Alexander Cohen	2,582,467	$14.2M +$4.7M by large holders	SEC filings
3	KNTK Kinetik Holdings Inc.	2 officers/directors Cluster buy Jamie Welch, Kevin S. McCarthy	63,492	$2.0M	SEC filings
4	HRTG Heritage Insurance Holdings, Inc.	2 officers/directors Cluster buy Paul L. Whiting, Ernie J. Garateix	68,118	$500K	SEC filings
5	OXY OCCIDENTAL PETROLEUM CORP /DE/	10% Owner BERKSHIRE HATHAWAY INC	10,482,162	$588.7M	SEC filings
6	MDGL MADRIGAL PHARMACEUTICALS, INC.	Director BAKER BROS. ADVISORS LP	136,370	$30.1M	SEC filings
7	BIGZ BlackRock Innovation & Growth Term Trust	10% Owner Saba Capital Management, L.P.	2,276,977	$16.9M	SEC filings
8	ECAT BlackRock ESG Capital Allocation Term Trust	10% Owner Saba Capital Management, L.P.	1,050,937	$16.8M	SEC filings
9	BMEZ BlackRock Health Sciences Term Trust	10% Owner Saba Capital Management, L.P.	1,080,515	$15.5M	SEC filings
10	EYPT EyePoint Pharmaceuticals, Inc.	10% Owner Cormorant Asset Management, LP	588,235	$10.0M	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.