PRM · Perimeter Solutions SA Common Stock
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| WindAcre Partnership Master Fund, LP 10% Owner | ▲ Buy | Open Market | 21,854,600 Shares held | 6/27/2025 | View profile |
| WINDACRE PARTNERSHIP LLC 10% Owner | ▼ Sell | Open Market | 16,148,621 Shares held | 6/30/2026 | View profile |
| William N. Thorndike Jr. Director | ▼ Sell | Open Market | 8,535,656 Shares held | 3/11/2026 | View profile |
| Haitham Khouri Director | ▼ Sell | Open Market | 1,874,615 Shares held | 5/22/2026 | View profile |
| Vivek Raj Director | ▲ Buy | Grant | 677,560 Shares held | 3/3/2026 | View profile |
| W. Nicholas Howley Director | ▼ Sell | Gift | 606,200 Shares held | 4/23/2026 | View profile |
| Horn Shannon Business Director | ▲ Buy | Open Market | 445,695 Shares held | 11/9/2021 | View profile |
| Henderson Robert S Director | ▼ Sell | Other | 328,416 Shares held | 10/16/2024 | View profile |
| Tracy Britt Cool Director | ▲ Buy | Grant | 250,493 Shares held | 3/3/2026 | View profile |
| Goldberg Edward D. Chief Executive Officer | ▲ Buy | Open Market | 222,957 Shares held | 11/9/2021 | View profile |
| Lederman Barry Chief Financial Officer | ▲ Buy | Open Market | 196,416 Shares held | 11/9/2021 | View profile |
| Kremling Ernest C. II Chief Operating Officer | ▲ Buy | Open Market | 150,498 Shares held | 11/9/2021 | View profile |
| Iversen Bernt G II Director | ▼ Sell | Other | 126,861 Shares held | 10/29/2024 | View profile |
| Kevin M. Stein Director | ▲ Buy | Open Market | 115,000 Shares held | 11/9/2021 | View profile |
| Sean P. Hennessy Director | ▲ Buy | Open Market | 100,000 Shares held | 11/9/2021 | View profile |
| Noriko Yokozuka General Counsel | ▼ Sell | Open Market | 47,157 Shares held | 12/12/2025 | View profile |
| Cornwall Stephen Chief Commercial Officer | ▲ Buy | Open Market | 46,487 Shares held | 11/9/2021 | View profile |
| Valladares Jorge Director | ▲ Buy | Open Market | 14,000 Shares held | 6/11/2024 | View profile |
| Kyle Sable Chief Financial Officer | ▼ Sell | Open Market | 0 Shares held | 5/13/2026 | View profile |
| Jeffrey Emery President - Global Fire Safety | ▼ Sell | Open Market | 0 Shares held | 5/13/2026 | View profile |
Transaction History
| WINDACRE PARTNERSHIP LLC | ▼ Sell | Open Market | 1,875,000 | $63.6M | 6/30/2026 |
| WINDACRE PARTNERSHIP LLC | ▼ Sell | Open Market | 437,500 | $14.4M | 6/29/2026 |
| WINDACRE PARTNERSHIP LLC | ▼ Sell | Open Market | 378,600 | $13.7M | 6/26/2026 |
| WINDACRE PARTNERSHIP LLC | ▼ Sell | Open Market | 150,000 | $5.2M | 6/26/2026 |
| WINDACRE PARTNERSHIP LLC | ▼ Sell | Open Market | 2,296,400 | $79.0M | 6/26/2026 |
| WINDACRE PARTNERSHIP LLC | ▼ Sell | Open Market | 20,000 | $725K | 6/26/2026 |
| WINDACRE PARTNERSHIP LLC | ▼ Sell | Open Market | 548,479 | $18.9M | 6/26/2026 |
| Haitham Khouri | ▼ Sell | Open Market | 117,511 | $3.7M | 5/22/2026 |
| Haitham Khouri | ▼ Sell | Open Market | 91,724 | $2.9M | 5/21/2026 |
| Haitham Khouri | ▼ Sell | Open Market | 20,300 | $692K | 5/20/2026 |
| Kyle Sable | ▲ Buy | Option Exercise | 49,540 | $414K | 5/13/2026 |
| Kyle Sable | ▼ Sell | Open Market | 46,263 | $1.5M | 5/13/2026 |
| Kyle Sable | ▼ Sell | Open Market | 3,277 | $110K | 5/13/2026 |
| Jeffrey Emery | ▲ Buy | Option Exercise | 53,537 | $448K | 5/13/2026 |
| Jeffrey Emery | ▼ Sell | Open Market | 53,537 | $1.8M | 5/13/2026 |
| Kyle Sable | ▲ Buy | Option Exercise | 30,000 | $251K | 5/12/2026 |
| Kyle Sable | ▼ Sell | Open Market | 30,000 | $953K | 5/12/2026 |
| Jeffrey Emery | ▲ Buy | Option Exercise | 99,963 | $836K | 5/11/2026 |
| Jeffrey Emery | ▼ Sell | Open Market | 97,855 | $3.2M | 5/11/2026 |
| Jeffrey Emery | ▼ Sell | Open Market | 2,108 | $72K | 5/11/2026 |
| Kyle Sable | ▲ Buy | Option Exercise | 20,460 | $171K | 5/11/2026 |
| Kyle Sable | ▼ Sell | Open Market | 20,460 | $673K | 5/11/2026 |
| Jeffrey Emery | ▲ Buy | Option Exercise | 46,500 | $389K | 5/8/2026 |
| Jeffrey Emery | ▼ Sell | Open Market | 46,500 | $1.5M | 5/8/2026 |
| Kyle Sable | ▲ Buy | Option Exercise | 20,000 | $78K | 5/8/2026 |
| Kyle Sable | ▲ Buy | Option Exercise | 130,000 | $1.1M | 5/8/2026 |
| Kyle Sable | ▼ Sell | Open Market | 150,000 | $4.7M | 5/8/2026 |
| W. Nicholas Howley | ▼ Sell | Gift | 3,480,640 | $0 | 4/23/2026 |
| W. Nicholas Howley | ▼ Sell | Gift | 1,000,000 | $0 | 4/1/2026 |
| William N. Thorndike Jr. | ▼ Sell | Open Market | 100,000 | $2.3M | 3/11/2026 |
| William N. Thorndike Jr. | ▼ Sell | Open Market | 100,000 | $2.4M | 3/10/2026 |
| William N. Thorndike Jr. | ▼ Sell | Open Market | 90,043 | $2.1M | 3/9/2026 |
| William N. Thorndike Jr. | ▼ Sell | Open Market | 34,957 | $834K | 3/9/2026 |
| William N. Thorndike Jr. | ▼ Sell | Open Market | 100,000 | $2.4M | 3/6/2026 |
| William N. Thorndike Jr. | ▼ Sell | Open Market | 100,000 | $2.4M | 3/5/2026 |
| William N. Thorndike Jr. | ▼ Sell | Open Market | 125,000 | $3.0M | 3/4/2026 |
| Tracy Britt Cool | ▲ Buy | Grant | 65,843 | $0 | 3/3/2026 |
| William N. Thorndike Jr. | ▲ Buy | Grant | 5,582,492 | $0 | 3/3/2026 |
| Vivek Raj | ▲ Buy | Grant | 555,859 | $0 | 3/3/2026 |
| W. Nicholas Howley | ▲ Buy | Grant | 5,582,492 | $0 | 3/3/2026 |
| W. Nicholas Howley | ▼ Sell | Gift | 1,101,852 | $0 | 3/3/2026 |
| Haitham Khouri | ▲ Buy | Grant | 1,600,317 | $0 | 3/3/2026 |
| Noriko Yokozuka | ▲ Buy | Option Exercise | 17,500 | $175K | 12/12/2025 |
| Noriko Yokozuka | ▲ Buy | Option Exercise | 120,000 | $1.2M | 12/12/2025 |
| Noriko Yokozuka | ▼ Sell | Open Market | 137,500 | $3.9M | 12/12/2025 |
| Kyle Sable | ▲ Buy | Option Exercise | 100,000 | $836K | 12/12/2025 |
| Kyle Sable | ▼ Sell | Open Market | 100,000 | $2.8M | 12/12/2025 |
| William N. Thorndike Jr. | ▼ Sell | Gift | 673,685 | $0 | 12/9/2025 |
| W. Nicholas Howley | ▼ Sell | Gift | 746,767 | $0 | 11/24/2025 |
| Vivek Raj | ▼ Sell | Open Market | 25,000 | $561K | 9/11/2025 |
| Kyle Sable | ▲ Buy | Option Exercise | 40,000 | $156K | 9/5/2025 |
| Kyle Sable | ▼ Sell | Open Market | 40,000 | $882K | 9/5/2025 |
| Jeffrey Emery | ▲ Buy | Option Exercise | 300,000 | $2.5M | 9/4/2025 |
| Jeffrey Emery | ▼ Sell | Open Market | 300,000 | $6.7M | 9/4/2025 |
| WindAcre Partnership Master Fund, LP | ▲ Buy | Open Market | 254,600 | $3.6M | 6/27/2025 |
| Tracy Britt Cool | ▼ Sell | Other | 11,201 | $0 | 6/20/2025 |
| W. Nicholas Howley | ▼ Sell | Other | 746,767 | $0 | 6/20/2025 |
| Vivek Raj | ▼ Sell | Other | 78,569 | $0 | 6/20/2025 |
| Haitham Khouri | ▼ Sell | Other | 254,000 | $0 | 6/20/2025 |
| William N. Thorndike Jr. | ▼ Sell | Other | 746,767 | $0 | 6/20/2025 |
| Vivek Raj | ▼ Sell | Open Market | 32,000 | $374K | 5/21/2025 |
| Vivek Raj | ▼ Sell | Open Market | 68,810 | $815K | 5/20/2025 |
| Vivek Raj | ▼ Sell | Open Market | 100,000 | $1.2M | 5/19/2025 |
| Vivek Raj | ▼ Sell | Open Market | 100,000 | $1.2M | 5/16/2025 |
| Vivek Raj | ▼ Sell | Open Market | 100,000 | $1.2M | 5/15/2025 |
| Vivek Raj | ▼ Sell | Open Market | 2,284 | $28K | 5/13/2025 |
| Vivek Raj | ▼ Sell | Open Market | 250,000 | $2.3M | 3/14/2025 |
| Tracy Britt Cool | ▼ Sell | Open Market | 50,000 | $641K | 11/22/2024 |
| Haitham Khouri | ▼ Sell | Open Market | 80,156 | $975K | 11/15/2024 |
| Haitham Khouri | ▼ Sell | Open Market | 100,000 | $1.2M | 11/14/2024 |
| Haitham Khouri | ▼ Sell | Open Market | 80,000 | $964K | 11/13/2024 |
| Vivek Raj | ▲ Buy | Option Exercise | 25,000 | $300K | 11/12/2024 |
| Vivek Raj | ▼ Sell | Other | 21,687 | $300K | 11/12/2024 |
| William N. Thorndike Jr. | ▲ Buy | Option Exercise | 125,000 | $1.5M | 11/6/2024 |
| Haitham Khouri | ▲ Buy | Option Exercise | 92,500 | $1.1M | 11/6/2024 |
| Haitham Khouri | ▼ Sell | Other | 82,344 | $1.1M | 11/6/2024 |
| Iversen Bernt G II | ▲ Buy | Option Exercise | 31,250 | $375K | 10/29/2024 |
| Iversen Bernt G II | ▼ Sell | Other | 29,389 | $375K | 10/29/2024 |
| W. Nicholas Howley | ▲ Buy | Option Exercise | 125,000 | $1.5M | 10/21/2024 |
| W. Nicholas Howley | ▼ Sell | Other | 114,039 | $1.5M | 10/21/2024 |
| Tracy Britt Cool | ▼ Sell | Other | 315 | — | 10/16/2024 |
| Henderson Robert S | ▼ Sell | Other | 3,416 | — | 10/16/2024 |
| Haitham Khouri | ▼ Sell | Gift | 1,225,385 | $0 | 8/2/2024 |
| Haitham Khouri | ▼ Sell | Gift | 1,225,385 | $0 | 8/2/2024 |
| Valladares Jorge | ▲ Buy | Open Market | 14,000 | $100K | 6/11/2024 |
| Valladares Jorge | ▲ Buy | Open Market | 14,000 | $100K | 6/11/2024 |
| Valladares Jorge | ▲ Buy | Open Market | 14,000 | $100K | 6/11/2024 |
| W. Nicholas Howley | ▼ Sell | Gift | 1,363,982 | $0 | 5/15/2024 |
| Haitham Khouri | ▼ Sell | Gift | 250,000 | $0 | 5/14/2024 |
| Haitham Khouri | ▼ Sell | Gift | 250,000 | $0 | 5/14/2024 |
| William N. Thorndike Jr. | ▼ Sell | Other | 667,536 | $0 | 3/14/2024 |
| Haitham Khouri | ▼ Sell | Other | 249,833 | $0 | 3/14/2024 |
| Vivek Raj | ▼ Sell | Other | 133,507 | $0 | 3/14/2024 |
| W. Nicholas Howley | ▼ Sell | Other | 667,536 | $0 | 3/14/2024 |
| Tracy Britt Cool | ▼ Sell | Other | 40,052 | $0 | 3/14/2024 |
| Haitham Khouri | ▼ Sell | Gift | 181,526 | $0 | 12/13/2023 |
| Haitham Khouri | ▼ Sell | Gift | 181,526 | $0 | 12/13/2023 |
| Haitham Khouri | ▼ Sell | Gift | 1,293,859 | $0 | 12/5/2023 |
| Haitham Khouri | ▼ Sell | Gift | 1,293,859 | $0 | 12/5/2023 |
| Tracy Britt Cool | ▼ Sell | Other | 41,787 | $0 | 2/17/2023 |
| William N. Thorndike Jr. | ▼ Sell | Other | 696,446 | $0 | 2/17/2023 |
| W. Nicholas Howley | ▼ Sell | Other | 696,446 | $0 | 2/17/2023 |
| Vivek Raj | ▼ Sell | Other | 139,289 | $0 | 2/17/2023 |
| Haitham Khouri | ▼ Sell | Other | 257,685 | $0 | 2/17/2023 |
| W. Nicholas Howley | ▼ Sell | Gift | 2,601,123 | $0 | 12/6/2022 |
| Haitham Khouri | ▼ Sell | Open Market | 126,952 | $1.3M | 12/6/2022 |
| Haitham Khouri | ▼ Sell | Open Market | 38,923 | $422K | 12/5/2022 |
| Haitham Khouri | ▼ Sell | Open Market | 22,599 | $248K | 12/2/2022 |
| Tracy Britt Cool | ▲ Buy | Open Market | 6,200 | $51K | 5/10/2022 |
| WindAcre Partnership Master Fund, LP | ▲ Buy | Open Market | 1,600,000 | $13.8M | 5/9/2022 |
| William N. Thorndike Jr. | ▼ Sell | Other | 1,541,100 | $0 | 4/29/2022 |
| Tracy Britt Cool | ▼ Sell | Other | 111,295 | $0 | 4/29/2022 |
| W. Nicholas Howley | ▼ Sell | Other | 2,601,123 | $0 | 4/29/2022 |
| Haitham Khouri | ▼ Sell | Other | 1,036,174 | $0 | 4/29/2022 |
| Vivek Raj | ▼ Sell | Other | 345,117 | $0 | 4/29/2022 |
| Sean P. Hennessy | ▲ Buy | Open Market | 100,000 | $1.0M | 11/9/2021 |
| Cornwall Stephen | ▲ Buy | Open Market | 42,087 | $421K | 11/9/2021 |
| Goldberg Edward D. | ▲ Buy | Open Market | 222,957 | $2.2M | 11/9/2021 |
| Noriko Yokozuka | ▲ Buy | Open Market | 47,157 | $472K | 11/9/2021 |
| Kevin M. Stein | ▲ Buy | Open Market | 100,000 | $1.0M | 11/9/2021 |
| Lederman Barry | ▲ Buy | Open Market | 196,416 | $2.0M | 11/9/2021 |
| Kremling Ernest C. II | ▲ Buy | Open Market | 150,498 | $1.5M | 11/9/2021 |
| Horn Shannon | ▲ Buy | Open Market | 445,695 | $4.5M | 11/9/2021 |
| William N. Thorndike Jr. | ▼ Sell | Other | 500,000 | — | 11/8/2021 |
| Cornwall Stephen | ▼ Sell | Other | 4,400 | — | 11/8/2021 |
| Vivek Raj | ▼ Sell | Other | 100,000 | — | 11/8/2021 |
| Kevin M. Stein | ▼ Sell | Other | 15,000 | — | 11/8/2021 |
| Haitham Khouri | ▼ Sell | Other | 370,000 | — | 11/8/2021 |
| Tracy Britt Cool | ▼ Sell | Other | 30,000 | — | 11/8/2021 |
| W. Nicholas Howley | ▼ Sell | Other | 595,239 | — | 11/8/2021 |
| Henderson Robert S | ▼ Sell | Other | 325,000 | — | 11/8/2021 |