PRM Perimeter Solutions Inc.
Industrials, filed as PERIMETER SOLUTIONS INC (COMMON STOCK), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
In 2026 Q2 Senator Investment Group and Wallace Weitz trimmed Perimeter Solutions.
Who owns this now
Largest portfolio weights among holders, up to 2.3% (Senator Investment Group). Not free-float ownership.
Who owns PRM
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Senator Investment Group | Reduce −24.3% | 1,795,000 | $64M | History | |
| Wallace Weitz, Weitz Investment Management | Reduce −11.5% | 450,817 | $16M | History | |
| Chuck Akre, Akre Capital Management | Hold | 250,000 | $8.9M | History |
Insider trades
Open-market buys and sales by PRM's executives, directors and 10% owners in the last 12 months, from their Form 4s
- None no insider bought on the open market
- $240M sold by 6 insiders outside a trading plan
- None no planned (10b5-1) sales
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Windacre Partnership LLC 10% owner, +4 joint filersSale$196M 5,705,979 shares at $34.28 26% of stakeTraded Jun 26–30 Filed Jul 13
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Haitham Khouri CEOSale$7.3M 229,535 shares at $31.73 11% of stakeTraded May 20–22 Filed May 22
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Kyle Sable CFOSale$1.6M 49,540 shares at $33.09 100% of stakeTraded May 13 Filed May 15
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Jeffrey Emery President - Global Fire SafetySale$1.8M 53,537 shares at $33.45 100% of stakeTraded May 13 Filed May 15
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Kyle Sable CFOSale$6.4M 200,460 shares at $31.69 100% of stakeTraded May 8–12 Filed May 12
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Jeffrey Emery President - Global Fire SafetySale$4.8M 146,463 shares at $32.63 100% of stakeTraded May 8–11 Filed May 12
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William N Thorndike Jr. DirectorSale$7.6M 325,000 shares at $23.39 3.7% of stakeTraded Mar 9–11 Filed Mar 11
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William N Thorndike Jr. DirectorSale$7.8M 325,000 shares at $24.00 3.5% of stakeTraded Mar 4–6 Filed Mar 6
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Kyle Sable CFOSale$2.8M 100,000 shares at $28.47 100% of stakeTraded Dec 12, 2025 Filed Dec 16, 2025
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Noriko Yokozuka General CounselSale$3.9M 137,500 shares at $28.44 75% of stakeTraded Dec 12, 2025 Filed Dec 16, 2025
Also filed in the last 12 months, not counted as buying or selling: 11 option exercises, 5 stock grants, and 5 gifts.
SEC filings
Recent issuer filings from EDGAR, 13 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 5.07 | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| DEF 14A | Filing Doc | ||
| DEFA14A | Filing Doc | ||
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13D | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-K | Filing Doc |
No filings match this filter.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.