Insiders / Thorndike William N Jr

Thorndike William N Jr

CIK 1437827personinsiderbeneficial owner

Companies

2

First seen

Mar 5, 2026

Last activity

May 11, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
Perimeter Solutions, Inc. · PRM	Director	8,535,656	9,185,656	8	—
Cnx Resources Corp · CNX	Director	435,355	455,385	4	—

All securities held

2 positions · latest reported per filing

Company	Security	Shares	As of
Cnx Resources Corp	Common shares, $0.01 par value per share	435,355	May 7, 2026
Perimeter Solutions, Inc.	Common Stock	8,535,656	Mar 11, 2026

Activity

InsidersInstitutions

This person's insider trades (Form 4), across every company.

Date	Action	Company	Value	Shares Δ	Position after	Impact
Mar 4, 2026	Sell	PRM Perimeter Solutions, Inc. Common Stock	$3.03M	-125K -1.36%	9,060,656 5.54% of shares	medium
Mar 5, 2026	Sell	PRM Perimeter Solutions, Inc. Common Stock	$2.41M	-100K -1.10%	8,960,656 5.47% of shares	medium
Mar 10, 2026	Sell	PRM Perimeter Solutions, Inc. Common Stock	$2.36M	-100K -1.14%	8,635,656 5.28% of shares	medium
Mar 6, 2026	Sell	PRM Perimeter Solutions, Inc. Common Stock	$2.36M	-100K -1.12%	8,860,656 5.41% of shares	medium
Mar 11, 2026	Sell	PRM Perimeter Solutions, Inc. Common Stock	$2.32M	-100K -1.16%	8,535,656 5.21% of shares	medium
Mar 9, 2026	Sell	PRM Perimeter Solutions, Inc. Common Stock	$2.09M	-90K -1.02%	8,770,613 5.36% of shares	medium
May 4, 2026	Sell	CNX Cnx Resources Corp Common shares, $0.01 par value per share	$1.10M	-29K -6.32%	426,585 0.29% of shares	medium
May 4, 2026	Exercise	CNX Cnx Resources Corp Common shares, $0.01 par value per share	$1.10M	+83K +22.32%	455,385 0.31% of shares	low
Mar 9, 2026	Sell	PRM Perimeter Solutions, Inc. Common Stock	$833.7K	-35K -0.40%	8,735,656 5.34% of shares	medium
May 7, 2026	Grant	CNX Cnx Resources Corp Common shares, $0.01 par value per share	$0	+9K +2.06%	435,355 0.29% of shares	low