Skip to main content

Perimeter Solutions, Inc.

PRM
Exchange
NYSE
Industry
Chemicals & Allied Products
SEC CIK
0001880319

In the last 90 days, Perimeter Solutions, Inc. insiders filed 0 open-market purchases and 1 sale; 310 institutions reported holding it in 13F filings for Q2 2026, worth $4.98B in total; superinvestors Weitz Investment Management and Akre Capital Management hold it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Perimeter Solutions, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
1 filing
1 insider, $195.6M in total
Insiders trading
1
Net value
−$195.6M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Perimeter Solutions, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Perimeter Solutions, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Windacre Partnership LLC10% Owner16,148,621Jul 13, 20262
Wapgp LLC10% Owner16,148,621Jul 13, 20261
Amin Snehal10% Owner16,148,621Jul 13, 20261
WindAcre Partnership Master Fund, LP10% Owner16,148,621Jul 13, 20261
WindAcre General Partner LP10% Owner16,148,621Jul 13, 20261
Haitham KhouriChief Executive Officer1,874,615May 22, 20263
Emery JeffreyPresident - Global Fire Safety0May 15, 20263
Sable KyleChief Financial Officer0May 15, 20264
Howley W NicholasDirector606,200Apr 24, 20264
Thorndike William N JrDirector8,535,656Mar 11, 20264
Cool Tracy BrittDirector250,493Mar 5, 20262
Raj VivekDirector677,560Mar 5, 20262
Hennessy Sean PDirector100,000Mar 2, 20261
Henderson Robert SDirector328,416Mar 2, 20261
Iversen Bernt G IIDirector126,861Mar 2, 20261
Valladares JorgeDirector14,000IndirectMar 2, 20261
Yokozuka NorikoGeneral Counsel47,157Mar 2, 20262
Bowman GrantPresident, Specialty Products–Mar 2, 20261
Goldberg Edward D.Vice Chairman222,957Feb 21, 20250
Kremling Ernest C. IIChief Operating Officer150,498Apr 1, 20220
Cornwall StephenChief Commercial Officer42,087Apr 1, 20220
Horn ShannonBusiness Director445,695Apr 1, 20220
Lederman BarryChief Financial Officer196,416Apr 1, 20220
Stein Kevin MDirector115,000IndirectNov 10, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 13, 2026 (view filing)5:30 PM ETJun 26-3017 daysWindacre Partnership LLC and 4 others10% OwnerSSale−5.71M$34.28−$195.6M−26.1%16.1M afterAmended7 lotsDuplicate filing
Jun 30, 2026 (view filing)Jun 26-304 daysWindacre Partnership LLC10% OwnerSSale−5.71M$34.28−$195.6M−26.1%16.1M after7 lots
May 22, 2026 (view filing)May 20-222 daysHaitham KhouriChief Executive OfficerSSale−229.5K$31.73−$7.28M−10.9%1.87M after3 lots
May 15, 2026 (view filing)May 132 daysSable KyleChief Financial OfficerSSale−49.5K$33.09−$1.64M−100.0%0 after2 lots
May 15, 2026 (view filing)May 132 daysEmery JeffreyPresident - Global Fire SafetySSale−53.5K$33.45−$1.79M−100.0%0 after
May 12, 2026 (view filing)May 8-124 daysSable KyleChief Financial OfficerSSale−200.5K$31.69−$6.35M−100.0%0 after3 lots
May 12, 2026 (view filing)May 8-114 daysEmery JeffreyPresident - Global Fire SafetySSale−146.5K$32.63−$4.78M−100.0%0 after3 lots
Mar 11, 2026 (view filing)Mar 9-112 daysThorndike William N JrDirectorSSale−325.0K$23.39−$7.60M−3.7%8.54M after4 lots
Mar 6, 2026 (view filing)Mar 4-62 daysThorndike William N JrDirectorSSale−325.0K$24.00−$7.80M−3.5%8.86M after3 lots
Dec 16, 2025 (view filing)Dec 124 daysSable KyleChief Financial OfficerSSale−100.0K$28.47−$2.85M−100.0%0 after
Dec 16, 2025 (view filing)Dec 124 daysYokozuka NorikoGeneral CounselSSale−137.5K$28.44−$3.91M−74.5%47.2K after
Sep 15, 2025 (view filing)Sep 114 daysRaj VivekDirectorSSale−25.0K$22.45−$561.3K−17.0%121.7K after
Sep 8, 2025 (view filing)Sep 53 daysSable KyleChief Financial OfficerSSale−40.0K$22.05−$882.0K−100.0%0 after
Sep 8, 2025 (view filing)Sep 44 daysEmery JeffreyPresident - Global Fire SafetySSale−300.0K$22.28−$6.68M−100.0%0 after
Jul 1, 2025 (view filing)5:30 PM ETJun 274 daysWindacre Partnership LLC and 4 others10% OwnerPPurchase+254.6K$13.98+$3.56M+1.2%21.9M after
Jul 1, 2025 (view filing)5:30 PM ETJun 274 daysWindacre Partnership LLC and 4 others10% OwnerSSale−254.6K$13.98−$3.56M–0 afterDerivative
May 23, 2025 (view filing)May 212 daysRaj VivekDirectorSSale−32.0K$11.70−$374.4K−32.0%68.1K after
May 20, 2025 (view filing)May 16-204 daysRaj VivekDirectorSSale−268.8K$11.78−$3.17M−72.9%100.1K after3 lots
May 15, 2025 (view filing)May 13-152 daysRaj VivekDirectorSSale−102.3K$11.93−$1.22M−21.7%368.9K after2 lots
Mar 17, 2025 (view filing)Mar 143 daysRaj VivekDirectorSSale−250.0K$9.17−$2.29M−34.7%471.2K after
Nov 25, 2024 (view filing)Nov 223 daysCool Tracy BrittDirectorSSale−50.0K$12.81−$640.5K−22.4%173.4K after
Nov 15, 2024 (view filing)Nov 13-152 daysHaitham KhouriChief Executive OfficerSSale−260.2K$12.13−$3.16M−51.0%249.8K after3 lots
Jun 13, 2024 (view filing)Jun 112 daysValladares JorgeDirectorPPurchase+42.0K$7.15+$300.3KNew position14.0K after3 lots
Dec 6, 2022 (view filing)Dec 2-64 daysHaitham KhouriVice ChairmanSSale−188.5K$10.59−$2.00M−13.4%1.22M after3 lots
May 16, 2022 (view filing)May 106 daysLateCool Tracy BrittDirectorPPurchase+6.20K$8.30+$51.5KNew position6.20K after
May 10, 2022 (view filing)6:32 PM ETMay 91 dayWindacre Partnership LLC and 4 others10% OwnerPPurchase+1.60M$8.65+$13.8M+8.0%21.6M after
May 10, 2022 (view filing)6:32 PM ETMay 6-94 daysWindacre Partnership LLC and 4 others10% OwnerPPurchase+33.2K$8.37+$278.0K–254.6K afterDerivative2 lots
Dec 6, 2021 (view filing)6:34 PM ETDec 2-34 daysWindacre Partnership LLC and 4 others10% OwnerPPurchase+100.4K$11.10+$1.11M–221.4K afterDerivative2 lots
Nov 23, 2021 (view filing)Nov 914 daysCornwall StephenChief Commercial OfficerPPurchase+42.1K$10.00+$420.9KNew position42.1K afterAmended
Nov 12, 2021 (view filing)7:51 PM ETNov 9-103 daysWindacre Partnership LLC and 4 others10% OwnerPPurchase+121.0K$12.01+$1.45M–121.0K afterDerivative2 lots
Nov 10, 2021 (view filing)Nov 91 dayHennessy Sean PDirectorPPurchase+100.0K$10.00+$1.00MNew position100.0K after
Nov 10, 2021 (view filing)Nov 91 dayGoldberg Edward D.Chief Executive OfficerPPurchase+223.0K$10.00+$2.23MNew position223.0K after
Nov 10, 2021 (view filing)Nov 91 dayYokozuka NorikoGeneral CounselPPurchase+47.2K$10.00+$471.6KNew position47.2K after
Nov 10, 2021 (view filing)Nov 91 dayStein Kevin MDirectorPPurchase+100.0K$10.00+$1.00M+666.7%115.0K after
Nov 10, 2021 (view filing)Nov 91 dayLederman BarryChief Financial OfficerPPurchase+196.4K$10.00+$1.96MNew position196.4K after
Nov 10, 2021 (view filing)Nov 91 dayKremling Ernest C. IIChief Operating OfficerPPurchase+150.5K$10.00+$1.50MNew position150.5K after
Nov 10, 2021 (view filing)Nov 91 dayHorn ShannonBusiness DirectorPPurchase+445.7K$10.00+$4.46MNew position445.7K after