We estimate that the CEO of Perimeter Solutions, Inc. ($PRM), Haitham Khouri, received a compensation of $8,037,750 in 2025. This is an increase of 48.94% from an estimated $4,104,027 in 2024.
These estimates are based on a new DEF14A filing, filed with the SEC on April 17, 2026. Note that parsing errors may occur.
You can track $PRM on Quiver Quantitative's $PRM stock dashboard.
$PRM Stock Insider Trading Activity
$PRM Stock insiders have traded $PRM stock on the open market 9 times in the past 6 months. Of those trades, 0 have been purchases and 9 have been sales.
Here’s a breakdown of recent trading of $PRM stock by insiders over the last 6 months:
- WILLIAM N JR THORNDIKE has made 0 purchases and 7 sales selling 650,000 shares for an estimated $15,403,421.
- NORIKO YOKOZUKA (General Counsel) sold 137,500 shares for an estimated $3,910,500
- KYLE SABLE (Chief Financial Officer) sold 100,000 shares for an estimated $2,847,000
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$PRM Stock Hedge Fund Activity
We have seen 160 institutional investors add shares of $PRM Stock stock to their portfolio, and 108 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- JANUS HENDERSON GROUP PLC added 1,308,602 shares (+54.9%) to their portfolio in Q4 2025, for an estimated $36,025,813
- T. ROWE PRICE INVESTMENT MANAGEMENT, INC. removed 1,142,170 shares (-63.7%) from their portfolio in Q4 2025, for an estimated $31,443,940
- FMR LLC removed 985,649 shares (-10.1%) from their portfolio in Q4 2025, for an estimated $27,134,916
- DRIEHAUS CAPITAL MANAGEMENT LLC added 869,718 shares (+inf%) to their portfolio in Q4 2025, for an estimated $23,943,336
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 832,316 shares (-77.0%) from their portfolio in Q4 2025, for an estimated $22,913,659
- INVESCO LTD. added 791,558 shares (+157.3%) to their portfolio in Q4 2025, for an estimated $21,791,591
- MILLENNIUM MANAGEMENT LLC removed 607,946 shares (-93.2%) from their portfolio in Q4 2025, for an estimated $16,736,753
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
