PERIMETER SOLUTIONS INC

Ticker: PRM CUSIP: 71385M107 Class: Common Stock

Senator Investment Group LP's Holding History (CIK: 0001443689)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 2,348,000 Value ($000) $64,640 Avg Close $25.26 Range $19.70 - $29.78

Q3 2025

Shares 2,100,000 Value ($000) $47,019 Avg Close $18.95 Range $13.79 - $23.79

Q2 2025

Shares 2,350,000 Value ($000) $32,712 Avg Close $11.54 Range $8.76 - $14.30

Q1 2025

Shares 2,350,000 Value ($000) $23,665 Avg Close $11.22 Range $8.90 - $14.05

Q4 2024

Shares 2,049,118 Value ($000) $26,188 Avg Close $13.06 Range $11.75 - $14.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,348,000	$64,640	$25.26	$19.70 - $29.78
Q3 2025	2,100,000	$47,019	$18.95	$13.79 - $23.79
Q2 2025	2,350,000	$32,712	$11.54	$8.76 - $14.30
Q1 2025	2,350,000	$23,665	$11.22	$8.90 - $14.05
Q4 2024	2,049,118	$26,188	$13.06	$11.75 - $14.44