| $227M | ||
| $100M | ||
| $72M | ||
| $60M | ||
| $50M | ||
| $9M |
Buys | $3,559,308 | 1 | 6 |
Sells | $29,739,771 | 15 | 94 |
| WindAcre Partnership Master Fund, LP | 10 percent owner | 1 | $3.56M | 0 | $0 | $3.56M |
| Sable Kyle | Chief Financial Officer | 0 | $0 | 2 | $3.73M | $-3.73M |
| Yokozuka Noriko | General Counsel | 0 | $0 | 1 | $3.91M | $-3.91M |
| Emery Jeffrey | President - Global Fire Safety | 0 | $0 | 1 | $6.68M | $-6.68M |
| Raj Vivek | director | 0 | $0 | 8 | $7.61M | $-7.61M |
| Thorndike William N Jr | director | 0 | $0 | 3 | $7.8M | $-7.8M |
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 Oil Additives. 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 Oil Additives segment produces 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 brands PHOS-CHEK, FIRE-TROL, AUXQUIMIA, SOLBERG. and BIOGEMA. Perimeter Solutions, SA was founded in 1963 and is headquartered in Clayton, Missouri.
Over the last 12 months, insiders at Perimeter Solutions, S.A. have bought $3.56M and sold $29.74M worth of Perimeter Solutions, S.A. stock.
On average, over the past 5 years, insiders at Perimeter Solutions, S.A. have bought $4.19M and sold $11.84M worth of stock each year.
Highest buying activity among insiders over the last 12 months: WindAcre Partnership Master Fund, LP (10 percent owner) — $3.56M.
The last purchase of 254,600 shares for transaction amount of $3.56M was made by WindAcre Partnership Master Fund, LP (10 percent owner) on 2025‑06‑27.
| 2026-03-06 | Sale | Thorndike William N Jr | director | 100,000 0.0672% | $23.63 | $2.36M | -0.42% | |
| 2026-03-05 | Sale | Thorndike William N Jr | director | 100,000 0.0662% | $24.06 | $2.41M | -0.77% | |
| 2026-03-04 | Sale | Thorndike William N Jr | director | 125,000 0.0849% | $24.26 | $3.03M | -1.27% | |
| 2025-12-12 | Sale | Yokozuka Noriko | General Counsel | 137,500 0.0932% | $28.44 | $3.91M | -3.13% | |
| 2025-12-12 | Sale | Sable Kyle | Chief Financial Officer | 100,000 0.0679% | $28.47 | $2.85M | -3.13% | |
| 2025-09-11 | Sale | Raj Vivek | director | 25,000 0.0173% | $22.45 | $561,250 | +18.60% | |
| 2025-09-05 | Sale | Sable Kyle | Chief Financial Officer | 40,000 0.0269% | $22.05 | $882,000 | +17.08% | |
| 2025-09-04 | Sale | Emery Jeffrey | President - Global Fire Safety | 300,000 0.2048% | $22.28 | $6.68M | +17.32% | |
| 2025-06-27 | WindAcre Partnership Master Fund, LP | 10 percent owner | 254,600 0.1723% | $13.98 | $3.56M | +64.81% | ||
| 2025-05-21 | Sale | Raj Vivek | director | 32,000 0.0217% | $11.70 | $374,400 | +90.47% | |
| 2025-05-20 | Sale | Raj Vivek | director | 68,810 0.0466% | $11.84 | $814,710 | +88.33% | |
| 2025-05-19 | Sale | Raj Vivek | director | 100,000 0.0675% | $11.78 | $1.18M | +88.41% | |
| 2025-05-16 | Sale | Raj Vivek | director | 100,000 0.0668% | $11.74 | $1.17M | +87.22% | |
| 2025-05-15 | Sale | Raj Vivek | director | 100,000 0.0674% | $11.92 | $1.19M | +85.71% | |
| 2025-05-13 | Sale | Raj Vivek | director | 2,284 0.0016% | $12.22 | $27,910 | +82.42% | |
| 2025-03-14 | Sale | Raj Vivek | director | 250,000 0.1661% | $9.17 | $2.29M | +133.84% | |
| 2024-11-22 | Sale | Cool Tracy Britt | director | 50,000 0.0342% | $12.81 | $640,500 | +0.53% | |
| 2024-11-15 | Sale | Khouri Haitham | Chief Executive Officer | 80,156 0.0521% | $12.16 | $974,697 | +7.98% | |
| 2024-11-14 | Sale | Khouri Haitham | Chief Executive Officer | 100,000 0.065% | $12.17 | $1.22M | +8.33% | |
| 2024-11-13 | Sale | Khouri Haitham | Chief Executive Officer | 80,000 0.0515% | $12.05 | $964,000 | +8.43% |
| WindAcre Partnership Master Fund, LP | 10 percent owner | 21854600 14.6243% | $514.24M | 1 | 0 | |
| Thorndike William N Jr | director | 8860656 5.9292% | $208.49M | 0 | 3 | |
| Raj Vivek | director | 121701 0.0814% | $2.86M | 0 | 8 | |
| Yokozuka Noriko | General Counsel | 47157 0.0316% | $1.11M | 1 | 1 | <0.0001% |
| Emery Jeffrey | President - Global Fire Safety | 0 0% | $0 | 0 | 1 | |
| Sable Kyle | Chief Financial Officer | 0 0% | $0 | 0 | 2 | |
| CONLIN KELLY P | CEO and President | 1182000 0.791% | $27.81M | 4 | 0 | |
| Horn Shannon | Business Director | 445695 0.2982% | $10.49M | 1 | 0 | <0.0001% |
| Khouri Haitham | Chief Executive Officer | 249833 0.1672% | $5.88M | 0 | 6 | |
| Goldberg Edward D. | Chief Executive Officer | 222957 0.1492% | $5.25M | 1 | 0 | <0.0001% |
| Lederman Barry | Chief Financial Officer | 196416 0.1314% | $4.62M | 1 | 0 | <0.0001% |
| Cool Tracy Britt | director | 173449 0.1161% | $4.08M | 1 | 1 | +15.76% |
| Kremling Ernest C. II | Chief Operating Officer | 150498 0.1007% | $3.54M | 1 | 0 | <0.0001% |
| Stein Kevin M | director | 115000 0.077% | $2.71M | 1 | 0 | <0.0001% |
| HENNESSY SEAN P | director | 100000 0.0669% | $2.35M | 1 | 0 | <0.0001% |
| GOLKIN PERRY | director | 88931 0.0595% | $2.09M | 32 | 0 | |
| ROBERTS GEORGE R | director | 87731 0.0587% | $2.06M | 3 | 0 | |
| Cornwall Stephen | Chief Commercial Officer | 42087 0.0282% | $990,307.11 | 1 | 0 | <0.0001% |
| Belknap Keith L Jr | SVP, General Counsel and Sec | 34000 0.0228% | $800,020.00 | 1 | 0 | |
| SMITH KEVIN J | director | 15000 0.01% | $352,950.00 | 1 | 0 | |
| Valladares Jorge | director | 14000 0.0094% | $329,420.00 | 1 | 0 | +59.54% |
$244,780,248 | 82 | 2.86% | $7.49B | |
$5,655,718 | 36 | 10.91% | $1.26B | |
$5,557,716 | 16 | -2.16% | $18.96B | |
Perimeter Solutions, SA (PRM) | $13,199,646 | 10 | 2.36% | $3.52B |
$274,615 | 1 | -5.94% | $23.85B |
| Increased Positions | 168 | +65.88% | 12M | +9.73% |
| Decreased Positions | 110 | -43.14% | 9M | -7.08% |
| New Positions | 78 | New | 6M | New |
| Sold Out Positions | 21 | Sold Out | 1M | Sold Out |
| Total Postitions | 313 | +22.75% | 130M | +2.65% |
| Windacre Partnership Llc | $601,220.00 | 14.77% | 21.85M | 0 | 0% | 2025-09-30 |
| Principal Financial Group Inc | $302,962.00 | 7.44% | 11.01M | +57,244 | +0.52% | 2025-09-30 |
| Blackrock, Inc. | $292,858.00 | 7.19% | 10.65M | -219,606 | -2.02% | 2025-09-30 |
| Fmr Llc | $268,364.00 | 6.59% | 9.76M | +7M | +220.6% | 2025-09-30 |
| Vanguard Group Inc | $231,467.00 | 5.69% | 8.41M | -124,529 | -1.46% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $141,543.00 | 3.48% | 5.15M | +221,290 | +4.49% | 2025-09-30 |
| Geode Capital Management, Llc | $90,766.00 | 2.23% | 3.3M | +7,106 | +0.22% | 2025-09-30 |
| State Street Corp | $86,407.00 | 2.12% | 3.14M | -93,423 | -2.89% | 2025-09-30 |
| Jpmorgan Chase & Co | $86,207.00 | 2.12% | 3.13M | -2M | -39.57% | 2025-09-30 |
| Brown Brothers Harriman & Co | $76,141.00 | 1.87% | 2.77M | -627,708 | -18.49% | 2025-09-30 |