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PRM Insider Trading

Insider Ownership Percentage: 13.10%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $231,034,142.68

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: $28.39
Price Change: ▼ Price Decrease of -1.378 (-4.63%)
As of 09/23/2026 02:27 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
6/30/2026Windacre Partnership LlcMajor ShareholderSell1,875,000$33.90$63,562,500.0016,148,621View SEC Filing Icon  
6/29/2026Windacre Partnership LlcMajor ShareholderSell437,500$33.00$14,437,500.0018,023,621View SEC Filing Icon  
6/26/2026Windacre Partnership LlcMajor ShareholderSell3,393,479$34.66$117,617,982.1418,461,121View SEC Filing Icon  
5/22/2026Haitham KhouriCEOSell117,511$31.19$3,665,168.091,874,615View SEC Filing Icon  
5/21/2026Haitham KhouriCEOSell91,724$31.91$2,926,912.841,992,126View SEC Filing Icon  
5/20/2026Haitham KhouriCEOSell20,300$34.09$692,027.002,083,850View SEC Filing Icon  
5/13/2026Jeffrey EmeryInsiderSell53,537$33.45$1,790,812.6553,537View SEC Filing Icon  
5/13/2026Kyle SableCFOSell49,540$33.09$1,639,278.6049,540View SEC Filing Icon  
5/12/2026Kyle SableCFOSell30,000$31.75$952,500.0020,000View SEC Filing Icon  
5/11/2026Jeffrey EmeryInsiderSell99,963$32.92$3,290,781.9646,500View SEC Filing Icon  
5/11/2026Kyle SableCFOSell20,460$32.89$672,929.4020,000View SEC Filing Icon  
5/8/2026Jeffrey EmeryInsiderSell46,500$32.00$1,488,000.0046,500View SEC Filing Icon  
5/8/2026Kyle SableCFOSell150,000$31.52$4,728,000.0020,000View SEC Filing Icon  
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
9/9/2026Sequoia Financial Advisors LLC8,221$0.29M0.0%N/A0.005%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP18,300$0.65M0.0%+24.5%0.011%Search for SEC Filing on Google Icon
9/9/2026Squarepoint Ops LLC166,187$5.93M0.0%+101.2%0.102%Search for SEC Filing on Google Icon
9/8/2026Allworth Financial LP3,687$0.13M0.0%-12.6%0.002%Search for SEC Filing on Google Icon
9/8/2026Arizona State Retirement System40,436$1.44M0.0%+4.9%0.025%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S2,767$99K0.0%N/A0.002%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP1,183,896$42.21M0.1%-37.7%0.723%Search for SEC Filing on Google Icon
8/26/2026Brown Financial Advisors12,003$0.33M0.1%N/A0.007%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al34,550$1.23M0.0%N/A0.021%Search for SEC Filing on Google Icon
8/23/2026Guardian Wealth Advisors LLC NC115,498$3.19M0.2%+166.7%0.071%Search for SEC Filing on Google Icon
8/23/2026HB Wealth Management LLC44,900$1.60M0.0%-11.7%0.027%Search for SEC Filing on Google Icon
8/22/2026TD Waterhouse Canada Inc.212,345$7.36M0.0%+250.5%0.130%Search for SEC Filing on Google Icon
8/22/2026Concurrent Investment Advisors LLC8,115$0.29M0.0%-9.6%0.005%Search for SEC Filing on Google Icon
8/21/2026AXQ Capital LP17,621$0.63M0.1%-38.0%0.011%Search for SEC Filing on Google Icon
8/21/2026KFG Wealth Management LLC610,360$16.41M1.9%+1.1%0.373%Search for SEC Filing on Google Icon
8/21/2026KFG Wealth Management LLC626,631$17.05M1.9%+2.0%0.383%Search for SEC Filing on Google Icon
8/21/2026KFG Wealth Management LLC686,892$18.70M2.1%+2.4%0.420%Search for SEC Filing on Google Icon
8/21/2026KFG Wealth Management LLC760,896$20.99M2.4%+0.8%0.465%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S2,767$99K0.0%N/A0.002%Search for SEC Filing on Google Icon
8/20/2026Grandeur Peak Global Advisors LLC10,207$0.36M0.1%-4.4%0.006%Search for SEC Filing on Google Icon
8/19/2026Navellier & Associates Inc.6,375$0.23M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/19/2026Wellington Management Group LLP621,669$22.16M0.0%N/A0.380%Search for SEC Filing on Google Icon
8/14/2026Ancora Advisors LLC3,190$0.11M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/12/2026Weitz Investment Management Inc.450,817$16.07M1.1%N/A0.275%Search for SEC Filing on Google Icon
7/10/2026Handelsbanken Fonder AB53,100$1.89M0.0%+4.9%0.033%Search for SEC Filing on Google Icon
7/9/2026Financial Management Professionals Inc.737$26K0.0%N/A0.000%Search for SEC Filing on Google Icon
7/7/2026GAMMA Investing LLC5,127$0.18M0.0%+9.0%0.003%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE1,738,095$42.44M0.0%+4.8%1.065%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC4,007,536$97.86M0.0%+8.6%2.457%Search for SEC Filing on Google Icon
5/18/2026Amundi19,720$0.48M0.0%N/A0.012%Search for SEC Filing on Google Icon
5/18/2026EverSource Wealth Advisors LLC2,295$56K0.0%+20.0%0.001%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System164,346$4.01M0.0%+24.2%0.101%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada124,986$3.05M0.0%-13.5%0.077%Search for SEC Filing on Google Icon
5/18/2026East Coast Asset Management LLC.1,357,583$33.15M10.9%-0.6%0.832%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC14,156$0.35M0.0%-6.6%0.009%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP33,506$0.82M0.0%+34.8%0.021%Search for SEC Filing on Google Icon
5/15/2026Lombard Odier Asset Management USA Corp29,912$0.73M0.1%-65.1%0.018%Search for SEC Filing on Google Icon
5/14/2026Healthcare of Ontario Pension Plan Trust Fund47,000$1.15M0.0%N/A0.029%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC591,257$14.44M0.0%+2,744.1%0.362%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership1,626,724$39.73M0.0%-23.7%0.997%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.90,407$2.21M0.0%+100.1%0.055%Search for SEC Filing on Google Icon
5/14/2026Walleye Capital LLC34,530$0.84M0.0%N/A0.021%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers25,285$0.62M0.0%+73.1%0.015%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP376,401$9.19M0.0%-0.9%0.231%Search for SEC Filing on Google Icon
5/8/2026PNC Financial Services Group Inc.68,052$1.66M0.0%+195.8%0.042%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP4,763,465$116.29M0.0%+0.6%2.920%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank278,100$6.79M0.0%+1.4%0.170%Search for SEC Filing on Google Icon
5/6/2026Assetmark Inc.4,064$99K0.0%+1,512.7%0.002%Search for SEC Filing on Google Icon
5/6/2026Bessemer Group Inc.1,064,925$26.01M0.0%+61.2%0.653%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp434,635$10.61M0.0%-1.5%0.266%Search for SEC Filing on Google Icon
5/4/2026Bleakley Financial Group LLC30,226$0.74M0.0%-3.1%0.019%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.12,513,159$305.57M0.2%+15.0%7.671%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp5,727$0.14M0.0%+3,413.5%0.004%Search for SEC Filing on Google Icon
5/1/2026Carmel Capital Partners LLC19,794$0.48M0.2%+96.2%0.012%Search for SEC Filing on Google Icon
4/30/2026Equitable Trust Co.1,653,187$40.37M1.9%-13.7%1.013%Search for SEC Filing on Google Icon
4/30/2026Personal CFO Solutions LLC8,639$0.21M0.0%N/A0.005%Search for SEC Filing on Google Icon
4/27/2026HB Wealth Management LLC50,875$1.24M0.0%+523.3%0.031%Search for SEC Filing on Google Icon
4/27/2026Argos Wealth Advisors LLC28,900$0.71M0.2%-17.2%0.018%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd29,804$0.73M0.0%N/A0.018%Search for SEC Filing on Google Icon
4/25/2026Strs Ohio47,200$1.15M0.0%+9.5%0.029%Search for SEC Filing on Google Icon
4/22/2026Sterling Capital Management LLC4,655$0.11M0.0%-42.5%0.003%Search for SEC Filing on Google Icon
4/21/2026Contravisory Investment Management Inc.14,401$0.35M0.1%-2.5%0.010%Search for SEC Filing on Google Icon
4/21/2026Dagco Inc.4,045$99K0.0%N/A0.003%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC50,919$1.24M0.0%-78.0%0.034%Search for SEC Filing on Google Icon
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
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: $28.39
Low: $28.31
High: $29.62

50 Day Range

MA: $32.70
Low: $29.76
High: $37.35

52 Week Range

Now: $28.39
Low: $19.70
High: $38.17

Volume

439,932 shs

Average Volume

1,295,347 shs

Market Capitalization

$4.65 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.9

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. Windacre Partnership Llc (Major Shareholder)
  3. William N Thorndike Jr (Director)
  4. Haitham Khouri (CEO)
  5. Khouri Haitham (Vice Chairman)
  6. Vivek Raj (Director)
  7. Tracy Britt Cool (Director)
  8. Jeffrey Emery (Insider)
  9. Kyle Sable (CFO)
  10. Jorge Valladares (Director)
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. Corient Private Wealth LP — 0.72%
  2. KFG Wealth Management LLC — 0.46%
  3. KFG Wealth Management LLC — 0.42%
  4. KFG Wealth Management LLC — 0.38%
  5. Wellington Management Group LLP — 0.38%
  6. KFG Wealth Management LLC — 0.37%
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. Corient Private Wealth LP
  2. AXQ Capital LP
  3. HB Wealth Management LLC
  4. Concurrent Investment Advisors LLC
  5. Allworth Financial LP
  6. Grandeur Peak Global Advisors LLC
In the previous year, company insiders that have sold Perimeter Solutions company stock include:
  1. Windacre Partnership Llc (Major Shareholder)
  2. William N Thorndike Jr (Director)
  3. Haitham Khouri (CEO)
  4. Jeffrey Emery (Insider)
  5. Kyle Sable (CFO)
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. Wellington Management Group LLP
  2. Weitz Investment Management Inc.
  3. TD Waterhouse Canada Inc.
  4. Squarepoint Ops LLC
  5. Guardian Wealth Advisors LLC NC
  6. VIRGINIA RETIREMENT SYSTEMS ET Al
  7. KFG Wealth Management LLC
  8. KFG Wealth Management LLC

Perimeter Solutions Active Insiders

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