InsiderTrades

Thorndike William N Jr

SEC CIK 1437827 · EDGAR

Buying vs selling by month open-market trades, last 24 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CNXCNX Resources CorpDir 435.4K — $1.10M 62022-05-052026-05-07
PRMPerimeter Solutions, Inc.Dir 8.74M — $15.40M 102021-11-082026-03-09

Most active insiders at CNX, 12 months

#InsiderTitleBoughtSold
1 LANIGAN BERNARD JRDir —$1.87M
2 Thorndike William N JrDir —$1.10M
3 Lally-Green MaureenDir —$933.7K
4 Good Everett WCFO ——
5 Bedard Timothy ScottEVP, GC ——
6 Behl NavneetCOO ——
7 Agbede RobertDir ——
8 Shepard Alan KPres, CEO, Dir ——
9 Clarkson J. PalmerDir ——
10 MCGUIRE IAN RDir ——

Transactions 16

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-05-11 16:31 2026-05-07 CNX CNX Resources Corp Thorndike William N Jr Dir A - Grant $0.00 +8,770 435.4K +2% $0
D 2026-05-06 16:46 2026-05-04 CNX CNX Resources Corp Thorndike William N Jr Dir M - OptEx $13.19 +83.1K 455.4K +22% +$1.10M
D 2026-05-06 16:46 2026-05-04 CNX CNX Resources Corp Thorndike William N Jr Dir S - Sale+OE $38.25 -28.8K 426.6K -6% -$1.10M
M 2026-03-11 2026-03-09+ PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir S - Sale $23.39 -325.0K 8.74M -4% -$7.60M
M 2026-03-06 2026-03-04+ PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir S - Sale $24.00 -325.0K 9.06M -3% -$7.80M
2026-03-05 2026-03-03 PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir A - Grant $0.00 +5.58M 9.19M +155% $0
2025-12-11 2025-12-09 PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir G - Gift $0.00 -673.7K 3.60M -16% $0
2025-06-24 2025-06-20 PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir J - Other $0.00 +746.8K 4.28M +21% $0
D 2024-11-08 2024-11-06 PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir M - OptEx $12.00 +125.0K 3.53M +4% +$1.50M
D 2024-05-06 2024-05-02 CNX CNX Resources Corp Thorndike William N Jr Dir A - Grant $0.00 +17.2K 372.3K +5% $0
2024-03-18 2024-03-14 PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir J - Other $0.00 +667.5K 3.41M +24% $0
D 2023-05-08 2023-05-04 CNX CNX Resources Corp Thorndike William N Jr Dir A - Grant $0.00 +27.3K 355.0K +8% $0
2023-02-22 2023-02-17 PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir J - Other $0.00 +696.4K 2.74M +34% $0
D 2022-05-09 2022-05-05 CNX CNX Resources Corp Thorndike William N Jr Dir A - Grant $0.00 +19.5K 327.7K +6% $0
2022-05-03 2022-04-29 PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir J - Other $0.00 +1.54M 2.04M +308% $0
D 2021-11-10 2021-11-08 PRM Perimeter Solutions, Inc. Thorndike William N Jr Dir J - Other — +500.0K 500.0K New —

Purchase Sale Sale after option exercise All abbreviations