PRM · Perimeter Solutions, Inc.
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-06-30 | WINDACRE PARTNERSHIP LLC |
10% Owner |
Sell↓
Filing footnotes — Ordinary shares (Direct)
The securities are owned directly by The WindAcre Partnership Master Fund, LP and may be deemed to be indirectly beneficially owned by (i) The WindAcre Partnership LLC, the investment adviser to the Master Fund, (ii) The WindAcre General Partner LP and The WAPGP LLC, the general partners of the Master Fund, and (iii) Snehal Amin, the managing member of The WindAcre Partnership LLC and The WAPGP LLC. |
Ordinary shares
|
1,875,000 |
| 2026-06-29 | WINDACRE PARTNERSHIP LLC |
10% Owner |
Sell↓
Filing footnotes — Ordinary shares (Direct)
The securities are owned directly by The WindAcre Partnership Master Fund, LP and may be deemed to be indirectly beneficially owned by (i) The WindAcre Partnership LLC, the investment adviser to the Master Fund, (ii) The WindAcre General Partner LP and The WAPGP LLC, the general partners of the Master Fund, and (iii) Snehal Amin, the managing member of The WindAcre Partnership LLC and The WAPGP LLC. |
Ordinary shares
|
437,500 |
| 2026-06-26 | WINDACRE PARTNERSHIP LLC |
10% Owner |
Sell↓
Filing footnotes — Ordinary shares (Direct)
The securities are owned directly by The WindAcre Partnership Master Fund, LP and may be deemed to be indirectly beneficially owned by (i) The WindAcre Partnership LLC, the investment adviser to the Master Fund, (ii) The WindAcre General Partner LP and The WAPGP LLC, the general partners of the Master Fund, and (iii) Snehal Amin, the managing member of The WindAcre Partnership LLC and The WAPGP LLC. |
Ordinary shares
|
2,296,400 |
| 2026-06-26 | WINDACRE PARTNERSHIP LLC |
10% Owner |
Sell↓
Filing footnotes — Ordinary shares (Direct)
The securities are owned directly by The WindAcre Partnership Master Fund, LP and may be deemed to be indirectly beneficially owned by (i) The WindAcre Partnership LLC, the investment adviser to the Master Fund, (ii) The WindAcre General Partner LP and The WAPGP LLC, the general partners of the Master Fund, and (iii) Snehal Amin, the managing member of The WindAcre Partnership LLC and The WAPGP LLC. |
Ordinary shares
|
548,479 |
| 2026-06-26 | WINDACRE PARTNERSHIP LLC |
10% Owner |
Sell↓
Filing footnotes — Ordinary shares (Direct)
The securities are owned directly by The WindAcre Partnership Master Fund, LP and may be deemed to be indirectly beneficially owned by (i) The WindAcre Partnership LLC, the investment adviser to the Master Fund, (ii) The WindAcre General Partner LP and The WAPGP LLC, the general partners of the Master Fund, and (iii) Snehal Amin, the managing member of The WindAcre Partnership LLC and The WAPGP LLC. |
Ordinary shares
|
20,000 |
| 2026-06-26 | WINDACRE PARTNERSHIP LLC |
10% Owner |
Sell↓
Filing footnotes — Ordinary shares (Direct)
The securities are owned directly by The WindAcre Partnership Master Fund, LP and may be deemed to be indirectly beneficially owned by (i) The WindAcre Partnership LLC, the investment adviser to the Master Fund, (ii) The WindAcre General Partner LP and The WAPGP LLC, the general partners of the Master Fund, and (iii) Snehal Amin, the managing member of The WindAcre Partnership LLC and The WAPGP LLC. |
Ordinary shares
|
150,000 |
| 2026-06-26 | WINDACRE PARTNERSHIP LLC |
10% Owner |
Sell↓
Filing footnotes — Ordinary shares (Direct)
The securities are owned directly by The WindAcre Partnership Master Fund, LP and may be deemed to be indirectly beneficially owned by (i) The WindAcre Partnership LLC, the investment adviser to the Master Fund, (ii) The WindAcre General Partner LP and The WAPGP LLC, the general partners of the Master Fund, and (iii) Snehal Amin, the managing member of The WindAcre Partnership LLC and The WAPGP LLC. |
Ordinary shares
|
378,600 |
| 2026-05-22 | Khouri Haitham |
Director, Chief Executive Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $30.54 to $31.61 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
117,511 |
| 2026-05-21 | Khouri Haitham |
Director, Chief Executive Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $31.32 to $33.18 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
91,724 |
| 2026-05-20 | Khouri Haitham |
Director, Chief Executive Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $34.00 to $34.28 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
20,300 |
| 2026-05-13 | Emery Jeffrey |
President - Global Fire Safety |
Convert↑
|
Common Stock
|
53,537 |
| 2026-05-13 | Emery Jeffrey |
President - Global Fire Safety |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $33.27 to $33.67 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
53,537 |
| 2026-05-13 | Sable Kyle |
Chief Financial Officer |
Convert↓
|
Stock Option (right to buy)
|
49,540 |
| 2026-05-13 | Sable Kyle |
Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $32.50 to $33.50 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
46,263 |
| 2026-05-13 | Sable Kyle |
Chief Financial Officer |
Convert↑
|
Common Stock
|
49,540 |
| 2026-05-13 | Sable Kyle |
Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $33.51 to $33.67 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
3,277 |
| 2026-05-13 | Emery Jeffrey |
President - Global Fire Safety |
Convert↓
|
Stock Option (right to buy)
|
53,537 |
| 2026-05-12 | Sable Kyle |
Chief Financial Officer |
Convert↓
|
Stock Option (right to buy)
|
30,000 |
| 2026-05-12 | Sable Kyle |
Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $31.50 to $32.12 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
30,000 |
| 2026-05-12 | Sable Kyle |
Chief Financial Officer |
Convert↑
|
Common Stock
|
30,000 |
| 2026-05-11 | Sable Kyle |
Chief Financial Officer |
Convert↓
|
Stock Option (right to buy)
|
20,460 |
| 2026-05-11 | Emery Jeffrey |
President - Global Fire Safety |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $32.75 to $33.28 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
97,855 |
| 2026-05-11 | Emery Jeffrey |
President - Global Fire Safety |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $33.76 to $34.18 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
2,108 |
| 2026-05-11 | Emery Jeffrey |
President - Global Fire Safety |
Convert↑
|
Common Stock
|
99,963 |
| 2026-05-11 | Sable Kyle |
Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $32.89 to $33.16 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
20,460 |
| 2026-05-11 | Sable Kyle |
Chief Financial Officer |
Convert↑
|
Common Stock
|
20,460 |
| 2026-05-11 | Emery Jeffrey |
President - Global Fire Safety |
Convert↓
|
Stock Option (right to buy)
|
99,963 |
| 2026-05-08 | Sable Kyle |
Chief Financial Officer |
Convert↑
|
Common Stock
|
130,000 |
| 2026-05-08 | Emery Jeffrey |
President - Global Fire Safety |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $32.00 to $32.01 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
46,500 |
| 2026-05-08 | Sable Kyle |
Chief Financial Officer |
Convert↓
|
Stock Option (right to buy)
|
20,000 |
| 2026-05-08 | Sable Kyle |
Chief Financial Officer |
Convert↓
|
Stock Option (right to buy)
|
130,000 |
| 2026-05-08 | Emery Jeffrey |
President - Global Fire Safety |
Convert↑
|
Common Stock
|
46,500 |
| 2026-05-08 | Sable Kyle |
Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $31.00 to $32.00 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
150,000 |
| 2026-05-08 | Sable Kyle |
Chief Financial Officer |
Convert↑
|
Common Stock
|
20,000 |
| 2026-05-08 | Emery Jeffrey |
President - Global Fire Safety |
Convert↓
|
Stock Option (right to buy)
|
46,500 |
| 2026-04-23 | Howley W Nicholas |
Director |
Gift↓
Filing footnotes — Common Stock (Direct)
The Reporting Person gifted these shares to a 501(c)(3) nonprofit organization in an exempt transaction pursuant to Rule 16b-5. |
Common Stock
|
3,480,640 |
| 2026-04-01 | Howley W Nicholas |
Director |
Gift↓
Filing footnotes — Common Stock (Direct)
The Reporting Person gifted these shares to a 501(c)(3) nonprofit organization in an exempt transaction pursuant to Rule 16b-5. |
Common Stock
|
1,000,000 |
| 2026-03-11 | Thorndike William N Jr |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold on March 11, 2026. The prices of the shares sold pursuant to the transaction ranged from approximately $22.72 to $23.40 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
100,000 |
| 2026-03-10 | Thorndike William N Jr |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold on March 10, 2026. The prices of the shares sold pursuant to the transaction ranged from approximately $23.33 to $23.97 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
100,000 |
| 2026-03-09 | Thorndike William N Jr |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold on March 9, 2026. The prices of the shares sold pursuant to the transaction ranged from approximately $23.73 to $23.95 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
34,957 |
| 2026-03-09 | Thorndike William N Jr |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold on March 9, 2026. The prices of the shares sold pursuant to the transaction ranged from approximately $22.71 to $23.71 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
90,043 |
| 2026-03-06 | Thorndike William N Jr |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold on March 6, 2026. The prices of the shares sold pursuant to the transaction ranged from approximately $23.37 to $23.99 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
100,000 |
| 2026-03-05 | Thorndike William N Jr |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold on March 5, 2026. The prices of the shares sold pursuant to the transaction ranged from approximately $23.66 to $24.40 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
100,000 |
| 2026-03-04 | Thorndike William N Jr |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
Represents the weighted average price of the shares sold on March 4, 2026. The prices of the shares sold pursuant to the transaction ranged from approximately $23.85 to $24.53 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. |
Common Stock
|
125,000 |
| 2026-03-03 | Thorndike William N Jr |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Represents an exempt acquisition from the issuer pursuant to Rule 16b-3(d) based on the Reporting Person's membership interests in EverArc Founders, LLC. |
Common Stock
|
5,582,492 |
| 2026-03-03 | Raj Vivek |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Represents an exempt acquisition from the issuer pursuant to Rule 16b-3(d) based on the Reporting Person's membership interests in EverArc Founders, LLC. |
Common Stock
|
555,859 |
| 2026-03-03 | Khouri Haitham |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Represents an exempt acquisition from the issuer pursuant to Rule 16b-3(d) based on the Reporting Person's membership interests in EverArc Founders, LLC. |
Common Stock
|
1,600,317 |
| 2026-03-03 | Howley W Nicholas |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Represents an exempt acquisition from the issuer pursuant to Rule 16b-3(d) based on the Reporting Person's membership interests in EverArc Founders, LLC. |
Common Stock
|
5,582,492 |
| 2026-03-03 | Howley W Nicholas |
Director |
Gift↓
Filing footnotes — Common Stock (Direct)
The Reporting Person gifted these shares to a 501(c)(3) nonprofit organization in an exempt transaction pursuant to Rule 16b-5. |
Common Stock
|
1,101,852 |
| 2026-03-03 | Cool Tracy Britt |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Represents an exempt acquisition from the issuer pursuant to Rule 16b-3(d) based on the Reporting Person's membership interests in EverArc Founders, LLC. |
Common Stock
|
65,843 |