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PRM Insider Trading

Insider Ownership Percentage: 10.00%
Insider Buying (Last 12 Months): $3,559,308.00
Insider Selling (Last 12 Months): $25,284,020.88

Perimeter Solutions Insider Trading History Chart

This chart shows the insider buying and selling history at Perimeter Solutions by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Perimeter Solutions Share Price & Price History

Current Price: $21.45
Price Change: ▼ Price Decrease of -0.345 (-1.58%)
As of 03/26/2026 04:59 PM ET

This chart shows the closing price history over time for PRM up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Perimeter Solutions Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/10/2026William N. Thorndike, Jr.DirectorSell100,000$23.63$2,363,000.008,635,656View SEC Filing Icon  
3/9/2026William N. Thorndike, Jr.DirectorSell125,000$23.37$2,921,250.008,735,656View SEC Filing Icon  
3/5/2026William N. Thorndike, Jr.DirectorSell100,000$24.06$2,406,000.008,960,656View SEC Filing Icon  
3/4/2026William N. Thorndike, Jr.DirectorSell125,000$24.26$3,032,500.009,060,656View SEC Filing Icon  
12/12/2025Kyle SableCFOSell100,000$28.47$2,847,000.00View SEC Filing Icon  
9/11/2025Vivek RajDirectorSell25,000$22.45$561,250.00121,701View SEC Filing Icon  
9/5/2025Kyle SableCFOSell40,000$22.05$882,000.00View SEC Filing Icon  
9/4/2025Jeffrey EmeryInsiderSell300,000$22.28$6,684,000.00View SEC Filing Icon  
6/27/2025Windacre Partnership Master FuMajor ShareholderBuy254,600$13.98$3,559,308.0021,854,600View SEC Filing Icon  
5/21/2025Vivek RajDirectorSell32,000$11.70$374,400.0068,132View SEC Filing Icon  
5/20/2025Vivek RajDirectorSell68,810$11.84$814,710.40100,132View SEC Filing Icon  
5/19/2025Vivek RajDirectorSell100,000$11.78$1,178,000.00168,942View SEC Filing Icon  
5/15/2025Vivek RajDirectorSell100,000$11.92$1,192,000.00368,942View SEC Filing Icon  
5/13/2025Vivek RajDirectorSell2,284$12.22$27,910.48468,942View SEC Filing Icon  
3/14/2025Vivek RajDirectorSell250,000$9.17$2,292,500.00471,226View SEC Filing Icon  
11/22/2024Tracy Britt CoolDirectorSell50,000$12.81$640,500.00173,449View SEC Filing Icon  
11/15/2024Haitham KhouriCEOSell80,156$12.16$974,696.96249,833View SEC Filing Icon  
11/13/2024Haitham KhouriCEOSell80,000$12.05$964,000.00429,989View SEC Filing Icon  
6/11/2024Jorge L. Valladares, IIIDirectorBuy42,000$7.15$300,300.0014,000View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Perimeter Solutions (NYSE:PRM)

89.93% of Perimeter Solutions stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at PRM by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Perimeter Solutions Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/20/2026Hsbc Holdings PLC8,198$0.23M0.0%-25.6%0.005%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.2,918$80K0.0%+56.3%0.002%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC2,034,505$55.94M0.1%-17.7%1.361%Search for SEC Filing on Google Icon
2/19/2026T. Rowe Price Investment Management Inc.1,632,406$44.94M0.0%-9.0%1.104%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.1,294,686$35.64M0.0%+157.3%0.875%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC2,060,258$55.87M0.0%-16.6%1.393%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury5,308$0.14M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp8,715$0.24M0.0%N/A0.006%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC15,158$0.42M0.0%N/A0.010%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd43,139$1.19M0.0%-17.0%0.029%Search for SEC Filing on Google Icon
2/18/2026Zacks Investment Management8,081$0.22M0.0%-61.9%0.005%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC242,692$6.68M0.0%N/A0.164%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL524,692$14.45M0.0%+262.1%0.355%Search for SEC Filing on Google Icon
2/18/2026Twinbeech Capital LP91,200$2.51M0.2%N/A0.062%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC44,645$1.23M0.0%-93.2%0.030%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC3,691,773$101.63M0.0%+54.9%2.496%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC17,840$0.49M0.0%N/A0.012%Search for SEC Filing on Google Icon
2/18/2026East Coast Asset Management LLC.1,366,380$37.62M11.1%-13.2%0.924%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC566,319$15.59M0.0%+2.6%0.383%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC12,848$0.35M0.1%N/A0.009%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers14,611$0.40M0.0%N/A0.010%Search for SEC Filing on Google Icon
2/17/2026DF Dent & Co. Inc.2,535,404$69.80M1.0%-7.8%1.714%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC13,023$0.36M0.0%-10.2%0.009%Search for SEC Filing on Google Icon
2/17/2026Laird Norton Wetherby Trust Company LLC43,317$1.19M0.0%N/A0.029%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP11,671$0.32M0.0%-88.7%0.008%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD135,692$3.74M0.0%+1.3%0.092%Search for SEC Filing on Google Icon
2/17/2026T. Rowe Price Investment Management Inc.650,806$17.92M0.0%-63.7%0.440%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.39,473$1.09M0.0%+82.8%0.027%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System132,273$3.64M0.0%+2.4%0.089%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.12,691$0.35M0.0%+5.5%0.009%Search for SEC Filing on Google Icon
2/17/2026Lombard Odier Asset Management USA Corp85,815$2.36M0.2%+7.3%0.058%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board42,113$1.16M0.0%+49.7%0.028%Search for SEC Filing on Google Icon
2/17/2026Kemnay Advisory Services Inc.3,597$99K0.0%N/A0.002%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS20,379$0.56M0.0%+52.5%0.014%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada144,549$3.98M0.0%-9.9%0.098%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC28,415$0.78M0.0%-82.2%0.019%Search for SEC Filing on Google Icon
2/16/2026Senator Investment Group LP2,348,000$64.64M2.6%+11.8%1.587%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC20,400$0.56M0.0%-68.8%0.014%Search for SEC Filing on Google Icon
2/16/2026MML Investors Services LLC41,184$1.13M0.0%N/A0.028%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC81,165$2.24M0.0%+3.1%0.055%Search for SEC Filing on Google Icon
2/16/2026Focus Partners Wealth463,832$12.77M0.0%N/A0.314%Search for SEC Filing on Google Icon
2/16/2026Arax Advisory Partners1,047$29K0.0%+122.8%0.001%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC336,270$9.26M0.0%+68.7%0.227%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC4,404$0.12M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/13/2026Templeton & Phillips Capital Management LLC116,151$3.20M2.1%-38.8%0.079%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 66,509$1.83M0.0%-7.1%0.045%Search for SEC Filing on Google Icon
2/13/2026Balance Capital Partners L.P.2,510,521$69.12M56.1%N/A1.697%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp48,490$1.34M0.0%+321.4%0.033%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC4,666$0.13M0.0%+29.0%0.003%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP379,968$10.46M0.0%-17.5%0.257%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.1,171,049$32.24M0.0%0.0%0.792%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey38,293$1.05M0.0%-2.1%0.026%Search for SEC Filing on Google Icon
2/13/2026State Street Corp3,200,527$88.11M0.0%+1.9%2.164%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC510,996$14.07M0.0%-1.8%0.345%Search for SEC Filing on Google Icon
2/13/2026Dynamic Technology Lab Private Ltd17,170$0.47M0.1%N/A0.012%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC248,084$6.83M0.0%-8.2%0.168%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN570,760$15.71M0.0%+9.6%0.386%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP120,252$3.31M0.0%+13.9%0.081%Search for SEC Filing on Google Icon
2/12/2026Orion Porfolio Solutions LLC26,235$0.72M0.0%+6.9%0.018%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC77,934$2.15M0.0%-3.8%0.053%Search for SEC Filing on Google Icon
2/12/2026Cibc World Markets Corp9,212$0.25M0.0%N/A0.006%Search for SEC Filing on Google Icon
2/12/2026State Board of Administration of Florida Retirement System41,398$1.14M0.0%-7.3%0.028%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC20,789$0.57M0.0%+14.2%0.014%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP4,735,822$130.38M0.0%-8.0%3.202%Search for SEC Filing on Google Icon
2/12/2026Counterpoint Mutual Funds LLC18,131$0.50M0.0%N/A0.012%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.335,048$9.22M0.0%+12.4%0.227%Search for SEC Filing on Google Icon
2/12/2026New York State Common Retirement Fund68,397$1.88M0.0%+8.5%0.046%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC41,746$1.15M0.1%-41.1%0.028%Search for SEC Filing on Google Icon
2/12/2026Brown Brothers Harriman & Co.2,259,089$62.19M0.3%-18.4%1.527%Search for SEC Filing on Google Icon
2/12/2026Weitz Investment Management Inc.509,400$14.02M0.8%-31.6%0.344%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank274,200$7.55M0.0%+0.9%0.185%Search for SEC Filing on Google Icon
2/12/2026Principal Securities Inc.12,779$0.35M0.0%+78.6%0.009%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC285,733$7.87M0.0%-0.2%0.193%Search for SEC Filing on Google Icon
2/11/2026Primecap Management Co. CA1,644,081$45.26M0.0%-19.8%1.111%Search for SEC Filing on Google Icon
2/11/2026Empowered Funds LLC15,158$0.42M0.0%N/A0.010%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG113,282$3.12M0.0%-67.8%0.077%Search for SEC Filing on Google Icon
2/11/2026Fox Run Management L.L.C.16,454$0.45M0.1%+37.5%0.011%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC43,360$1.19M0.0%-19.4%0.029%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.186,274$5.13M0.0%-7.1%0.126%Search for SEC Filing on Google Icon
2/11/2026O Shaughnessy Asset Management LLC16,416$0.45M0.0%N/A0.011%Search for SEC Filing on Google Icon
2/11/2026CenterBook Partners LP77,798$2.14M0.1%+58.4%0.053%Search for SEC Filing on Google Icon
2/11/2026JPMorgan Chase & Co.2,537,263$69.85M0.0%-19.0%1.715%Search for SEC Filing on Google Icon
2/11/2026Vestcor Inc6,704$0.19M0.0%N/A0.005%Search for SEC Filing on Google Icon
2/11/2026MCF Advisors LLC5,107$0.14M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/11/2026State of Wyoming6,516$0.18M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.647,897$17.84M0.0%-7.4%0.438%Search for SEC Filing on Google Icon
2/10/2026Natixis Advisors LLC74,319$2.05M0.0%+7.2%0.050%Search for SEC Filing on Google Icon
2/10/2026AXQ Capital LP11,755$0.32M0.1%+11.0%0.008%Search for SEC Filing on Google Icon
2/10/2026TenCore Partners LP395,150$10.88M5.6%-9.6%0.267%Search for SEC Filing on Google Icon
2/10/2026Norges Bank503,335$13.86M0.0%N/A0.340%Search for SEC Filing on Google Icon
2/10/2026Northwestern Mutual Wealth Management Co.1,143$31K0.0%+51.6%0.001%Search for SEC Filing on Google Icon
2/10/2026Savant Capital LLC14,699$0.41M0.0%+22.6%0.010%Search for SEC Filing on Google Icon
2/9/2026Connecticut Capital Management Group LLC14,341$0.40M0.4%N/A0.010%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC3,421,820$94.22M0.0%+3.7%2.313%Search for SEC Filing on Google Icon
2/9/2026Bleakley Financial Group LLC31,177$0.86M0.0%+7.5%0.021%Search for SEC Filing on Google Icon
2/9/2026Legal & General Group Plc144,811$3.99M0.0%-4.1%0.098%Search for SEC Filing on Google Icon
2/6/2026EverSource Wealth Advisors LLC1,912$53K0.0%-38.9%0.001%Search for SEC Filing on Google Icon
2/6/2026PNC Financial Services Group Inc.23,009$0.63M0.0%-9.8%0.016%Search for SEC Filing on Google Icon
2/6/2026Larson Financial Group LLC2,514$69K0.0%+55.7%0.002%Search for SEC Filing on Google Icon
2/6/2026Handelsbanken Fonder AB50,600$1.39M0.0%N/A0.034%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Perimeter Solutions logo
Perimeter Solutions, SA manufactures and supplies firefighting products and lubricant additives in the United States, Germany, and internationally. It operates in two segments, Fire Safety and Specialty Products. The Fire Safety segment provides fire retardants and firefighting foams, as well as specialized equipment and services for federal, state, provincial, local/municipal, and commercial customers. The Specialty Products segment produces and sells Phosphorus Pentasulfide, which is primarily used in the preparation of lubricant additives, including a family of compounds called Zinc Dialkyldithiophosphates. The company offers its products under the PHOS-CHEK, FIRE-TROL, AUXQUIMIA, and SOLBERG brands. Perimeter Solutions, SA was founded in 1963 and is headquartered in Clayton, Missouri.
Read More on Perimeter Solutions

Today's Range

Now: $21.45
Low: $21.23
High: $21.91

50 Day Range

MA: $25.20
Low: $20.63
High: $28.88

52 Week Range

Now: $21.45
Low: $8.76
High: $29.88

Volume

894,033 shs

Average Volume

1,313,820 shs

Market Capitalization

$3.20 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.98

Who are the company insiders with the largest holdings of Perimeter Solutions?

Perimeter Solutions' top insider investors include:
  1. Windacre Partnership Master Fu (Major Shareholder)
  2. William N Thorndike Jr (Director)
  3. Khouri Haitham (Vice Chairman)
  4. Vivek Raj (Director)
  5. Haitham Khouri (CEO)
  6. Tracy Britt Cool (Director)
  7. Jorge Valladares (Director)
  8. Jeffrey Emery (Insider)
  9. Kyle Sable (CFO)
Learn More about top insider investors at Perimeter Solutions.

Who are the major institutional investors of Perimeter Solutions?

Perimeter Solutions' top institutional shareholders include:
  1. Principal Financial Group Inc. — 7.35%
  2. Vanguard Group Inc. — 5.79%
  3. Dimensional Fund Advisors LP — 3.20%
  4. Janus Henderson Group PLC — 2.50%
  5. Geode Capital Management LLC — 2.31%
  6. State Street Corp — 2.16%
Learn More about top institutional investors of Perimeter Solutions stock.

Which major investors are selling Perimeter Solutions stock?

Within the last quarter, PRM stock was sold by these institutional investors:
  1. T. Rowe Price Investment Management Inc.
  2. Millennium Management LLC
  3. JPMorgan Chase & Co.
  4. Brown Brothers Harriman & Co.
  5. Corient Private Wealth LLC
  6. Corient Private Wealth LLC
  7. Dimensional Fund Advisors LP
  8. Primecap Management Co. CA
In the previous year, company insiders that have sold Perimeter Solutions company stock include:
  1. Windacre Partnership Master Fu (Major Shareholder)
  2. William N Thorndike Jr (Director)
  3. Khouri Haitham (Vice Chairman)
  4. Vivek Raj (Director)
Learn More investors selling Perimeter Solutions stock.

Which major investors are buying Perimeter Solutions stock?

During the last quarter, PRM stock was acquired by institutional investors including:
  1. Balance Capital Partners L.P.
  2. Janus Henderson Group PLC
  3. Invesco Ltd.
  4. Norges Bank
  5. Focus Partners Wealth
  6. Tudor Investment Corp ET AL
  7. Senator Investment Group LP
  8. Voloridge Investment Management LLC
During the last year, these company insiders have bought Perimeter Solutions stock:
  1. Windacre Partnership Master Fu (Major Shareholder)
  2. William N Thorndike Jr (Director)
Learn More investors buying Perimeter Solutions stock.

Perimeter Solutions Active Insiders

Haitham Khouri
Haitham Khouri
CEO
Jeffrey Emery
Jeffrey Emery
President, Fire Safety
Kyle Sable
Kyle Sable
Chief Financial Officer and Principal Accounting Officer
1 recent trades
Jorge Valladares
Director
Tracy Britt Cool
Tracy Britt Cool
Director
Vivek Raj
Director
William N Thorndike Jr
Director
4 recent trades