Insider screener / Biggest cluster buys

Biggest insider cluster buys

Week of Jul 20, 2026 — US-listed companies where multiple SEC insiders made open-market purchases, ranked by number of insiders and total dollars bought.

Weekly leaderboard

2 clusters

#	Ticker	Insiders	Total bought	Formed
1	CLBK	16	$4,703,740.00	2026-07-20
2	SCTX	2	$64,995.00	2026-07-23

Source: SEC EDGAR Form 4 open-market purchases (code P). A cluster = 2+ distinct insiders buying the same stock. For research only; not investment advice.