United States Chemicals

Perimeter Solutions SA (PRM)

Track

Perimeter Solutions SA has seen significant insider selling over the past 90 days, totaling approximately $243.5 million in net value. Windacre Partnership LLC accounted for the bulk of these transactions. Concurrently, CEO Haitham Khouri executed multiple sales. The stock has risen 25.2% recently, trading near its 52-week high.
Ticker: PRM Exchange: NYS
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for Perimeter Solutions SA. Upgrade to see score, net flow, insiders and the full signal context.

Open in Activity Signals screener →
Top insiders
Trades
Sale 30 Jun 2026
Value US$4,890,693.11 | Price 303.03 | Shares 97,629 (+1.0%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-30 2026-06-30 S Sale
1.6
WINDACRE PARTNERSHIP LLC
Large shareholder
97,629 +1.0%
303.03
US$4,890,693 		97,629 +1.0% 303.03 US$4,890,693
2026-06-30 2026-06-29 S Sale
1.6
WINDACRE PARTNERSHIP LLC
Large shareholder
32,264 +47.4%
275.20
US$1,545,357 		32,264 +47.4% 275.20 US$1,545,357
2026-06-30 2026-06-26 S Sale
1.6
WINDACRE PARTNERSHIP LLC
Large shareholder
92,010 +2.8%
237.28
US$2,801,944 		92,010 +2.8% 237.28 US$2,801,944
2026-06-30 2026-06-26 S Sale
1.6
WINDACRE PARTNERSHIP LLC
Large shareholder
20,000 -0.1%
36.25
US$725,000 		20,000 -0.1% 36.25 US$725,000
2026-06-30 2026-06-26 S Sale
1.6
WINDACRE PARTNERSHIP LLC
Large shareholder
2,296,400 -10.8%
34.40
US$78,996,160 		2,296,400 -10.8% 34.40 US$78,996,160
2026-06-30 2026-06-26 S Sale
1.6
WINDACRE PARTNERSHIP LLC
Large shareholder
150,000 -0.7%
34.98
US$5,247,000 		150,000 -0.7% 34.98 US$5,247,000
2026-06-30 2026-06-26 S Sale
1.6
WINDACRE PARTNERSHIP LLC
Large shareholder
378,600 -1.7%
36.22
US$13,712,892 		378,600 -1.7% 36.22 US$13,712,892
2026-06-12 2026-06-12 PrS Proposed sale
1.6
Vivek Raj

Former Director

Non-Executive Director
78,569
35.05
US$2,753,843 		78,569 35.05 US$2,753,843
2026-06-12 2026-06-12 PrS Proposed sale
1.6
Vivek Raj

Former Director

Non-Executive Director
43,132
35.05
US$1,511,777 		43,132 35.05 US$1,511,777
2026-05-22 2026-05-22 S Sale
3.1
Khouri Haitham

Chief Executive Officer

Executive Director
117,511 -5.9%
31.19
US$3,665,168 		117,511 -5.9% 31.19 US$3,665,168
2026-05-22 2026-05-22 PrS Proposed sale
3.1
Haitham Khouri

Officer

Officer
117,511
31.10
US$3,654,592 		117,511 31.10 US$3,654,592
2026-05-22 2026-05-21 S Sale
3.1
Khouri Haitham

Chief Executive Officer

Executive Director
91,724 -4.4%
31.91
US$2,926,913 		91,724 -4.4% 31.91 US$2,926,913
2026-05-21 2026-05-21 PrS Proposed sale
3.1
Haitham Khouri

Officer

Officer
91,724
31.40
US$2,880,134 		91,724 31.40 US$2,880,134
2026-05-22 2026-05-20 S Sale
3.1
Khouri Haitham

Chief Executive Officer

Executive Director
20,300 -1.0%
34.09
US$692,027 		20,300 -1.0% 34.09 US$692,027
2026-05-20 2026-05-20 PrS Proposed sale
3.1
Haitham Khouri

Officer

Officer
20,300
33.50
US$680,050 		20,300 33.50 US$680,050
2026-05-15 2026-05-13 S Sale
2.5
Sable Kyle

Chief Financial Officer

Officer
3,277 -100.0%
33.59
US$110,074 		3,277 -100.0% 33.59 US$110,074
2026-05-15 2026-05-13 S Sale
2.5
Sable Kyle

Chief Financial Officer

Officer
46,263 -93.4%
33.05
US$1,528,992 		46,263 -93.4% 33.05 US$1,528,992
2026-05-15 2026-05-13 S Sale
1.2
Emery Jeffrey

President - Global Fire Safety

Officer
53,537 -100.0%
33.45
US$1,790,813 		53,537 -100.0% 33.45 US$1,790,813
2026-05-13 2026-05-13 PrS Proposed sale
2.5
KYLE J SABLE

Officer; Director

Executive Director
49,540
33.09
US$1,639,175 		49,540 33.09 US$1,639,175
2026-05-13 2026-05-13 PrS Proposed sale
1.2
JEFFREY EMERY

Officer

Officer
53,537
33.45
US$1,790,641 		53,537 33.45 US$1,790,641
2026-05-12 2026-05-12 S Sale
2.5
Sable Kyle

Chief Financial Officer

Officer
30,000 -100.0%
31.75
US$952,500 		30,000 -100.0% 31.75 US$952,500
2026-05-12 2026-05-12 PrS Proposed sale
2.5
KYLE J SABLE

Officer; Director

Executive Director
30,000
31.75
US$952,356 		30,000 31.75 US$952,356
2026-05-12 2026-05-11 S Sale
1.2
Emery Jeffrey

President - Global Fire Safety

Officer
2,108 -100.0%
34.05
US$71,777 		2,108 -100.0% 34.05 US$71,777
2026-05-12 2026-05-11 S Sale
1.2
Emery Jeffrey

President - Global Fire Safety

Officer
97,855 -97.9%
32.90
US$3,219,430 		97,855 -97.9% 32.90 US$3,219,430
2026-05-12 2026-05-11 S Sale
2.5
Sable Kyle

Chief Financial Officer

Officer
20,460 -100.0%
32.89
US$672,929 		20,460 -100.0% 32.89 US$672,929
2026-05-11 2026-05-11 PrS Proposed sale
2.5
KYLE J SABLE

Officer; Director

Executive Director
20,460
32.89
US$672,850 		20,460 32.89 US$672,850
2026-05-11 2026-05-11 PrS Proposed sale
1.2
JEFFREY EMERY

Officer

Officer
99,963
32.93
US$3,291,602 		99,963 32.93 US$3,291,602
2026-05-12 2026-05-08 S Sale
1.2
Emery Jeffrey

President - Global Fire Safety

Officer
46,500 -100.0%
32.00
US$1,488,000 		46,500 -100.0% 32.00 US$1,488,000
2026-05-12 2026-05-08 S Sale
2.5
Sable Kyle

Chief Financial Officer

Officer
150,000 -100.0%
31.52
US$4,728,000 		150,000 -100.0% 31.52 US$4,728,000
2026-05-08 2026-05-08 PrS Proposed sale
2.5
KYLE J SABLE

Officer; Director

Executive Director
150,000
31.53
US$4,729,194 		150,000 31.53 US$4,729,194
2026-05-08 2026-05-08 PrS Proposed sale
1.2
JEFFREY EMERY

Officer

Officer
46,500
32.00
US$1,488,088 		46,500 32.00 US$1,488,088
2026-03-12 2026-03-12 PrS Proposed sale
1.4
Cromwell Harbor Supporting Foundation

Foundation of Director

Non-Executive Director
115,000
23.09
US$2,655,350 		115,000 23.09 US$2,655,350
2026-03-11 2026-03-11 S Sale
1.4
Thorndike William N Jr
Non-Executive Director
100,000 -1.2%
23.18
US$2,318,000 		100,000 -1.2% 23.18 US$2,318,000
2026-03-11 2026-03-10 S Sale
1.4
Thorndike William N Jr
Non-Executive Director
100,000 -1.1%
23.63
US$2,363,000 		100,000 -1.1% 23.63 US$2,363,000
2026-03-11 2026-03-09 S Sale
1.4
Thorndike William N Jr
Non-Executive Director
34,957 -0.4%
23.85
US$833,724 		34,957 -0.4% 23.85 US$833,724
2026-03-11 2026-03-09 S Sale
1.4
Thorndike William N Jr
Non-Executive Director
90,043 -1.0%
23.18
US$2,087,197 		90,043 -1.0% 23.18 US$2,087,197
2026-03-06 2026-03-06 S Sale
1.4
Thorndike William N Jr
Non-Executive Director
100,000 -1.1%
23.63
US$2,363,000 		100,000 -1.1% 23.63 US$2,363,000
2026-03-06 2026-03-05 S Sale
1.4
Thorndike William N Jr
Non-Executive Director
100,000 -1.1%
24.06
US$2,406,000 		100,000 -1.1% 24.06 US$2,406,000
2026-03-05 2026-03-05 PrS Proposed sale
1.4
William Thorndike

Director

Non-Executive Director
525,000
23.81
US$12,500,250 		525,000 23.81 US$12,500,250
2026-03-06 2026-03-04 S Sale
1.4
Thorndike William N Jr
Non-Executive Director
125,000 -1.4%
24.26
US$3,032,500 		125,000 -1.4% 24.26 US$3,032,500
2026-03-04 2026-03-04 PrS Proposed sale
1.4
William Thorndike

Director

Non-Executive Director
125,000
24.37
US$3,046,250 		125,000 24.37 US$3,046,250
2026-02-27 2026-02-27 PrS Proposed sale
EDWARD GOLDBERG

Officer; Director

Executive Director
300,000
23.17
US$6,951,600 		300,000 23.17 US$6,951,600
2025-12-16 2025-12-12 S Sale
2.5
Sable Kyle

Chief Financial Officer

Officer
100,000 -100.0%
28.47
US$2,847,000 		100,000 -100.0% 28.47 US$2,847,000
2025-12-16 2025-12-12 S Sale
2.9
Yokozuka Noriko

General Counsel

Officer
137,500 -74.5%
28.44
US$3,910,500 		137,500 -74.5% 28.44 US$3,910,500
2025-12-12 2025-12-12 PrS Proposed sale
2.9
NORIKO YOKOZUKA

Officer; Director

Executive Director
137,500
28.44
US$3,910,431 		137,500 28.44 US$3,910,431
2025-12-12 2025-12-12 PrS Proposed sale
2.5
KYLE J SABLE

Officer; Director

Executive Director
100,000
28.47
US$2,847,490 		100,000 28.47 US$2,847,490
2025-11-03 2025-11-03 PrS Proposed sale
EDWARD GOLDBERG

Officer; Director

Executive Director
451,995
23.81
US$10,760,871 		451,995 23.81 US$10,760,871
2025-10-31 2025-10-31 PrS Proposed sale
EDWARD GOLDBERG

Officer; Director

Executive Director
735,505
23.64
US$17,386,088 		735,505 23.64 US$17,386,088
2025-09-15 2025-09-11 S Sale
1.6
Raj Vivek
Non-Executive Director
25,000 -17.0%
22.45
US$561,250 		25,000 -17.0% 22.45 US$561,250
2025-09-11 2025-09-11 PrS Proposed sale
1.6
Vivek Raj

Director

Non-Executive Director
25,000
22.02
US$550,500 		25,000 22.02 US$550,500
2025-09-08 2025-09-08 PrS Proposed sale
EDWARD GOLDBERG

Officer; Director

Executive Director
250,000
22.72
US$5,679,400 		250,000 22.72 US$5,679,400
2025-09-08 2025-09-05 S Sale
2.5
Sable Kyle

Chief Financial Officer

Officer
40,000 -100.0%
22.05
US$882,000 		40,000 -100.0% 22.05 US$882,000
2025-09-05 2025-09-05 PrS Proposed sale
EDWARD GOLDBERG

Officer; Director

Executive Director
500,000
22.22
US$11,108,650 		500,000 22.22 US$11,108,650
2025-09-05 2025-09-05 PrS Proposed sale
2.5
KYLE J SABLE

Officer

Officer
40,000
22.05
US$881,976 		40,000 22.05 US$881,976
2025-09-08 2025-09-04 S Sale
1.2
Emery Jeffrey

President - Global Fire Safety

Officer
300,000 -100.0%
22.28
US$6,684,000 		300,000 -100.0% 22.28 US$6,684,000
2025-09-04 2025-09-04 PrS Proposed sale
1.2
JEFFREY EMERY

Officer

Officer
300,000
22.28
US$6,684,540 		300,000 22.28 US$6,684,540
2025-09-04 2025-09-04 PrS Proposed sale
EDWARD GOLDBERG

Officer; Director

Executive Director
250,000
22.27
US$5,567,750 		250,000 22.27 US$5,567,750
2025-07-01 2025-06-27 B Purchase
3.6
WindAcre Partnership Master Fund, LP
Large shareholder
254,600 +1.2%
13.98
US$3,559,308 		254,600 +1.2% 13.98 US$3,559,308
2025-05-23 2025-05-21 S Sale
1.6
Raj Vivek
Non-Executive Director
32,000 -32.0%
11.70
US$374,400 		32,000 -32.0% 11.70 US$374,400
2025-05-20 2025-05-20 S Sale
1.6
Raj Vivek
Non-Executive Director
68,810 -40.7%
11.84
US$814,710 		68,810 -40.7% 11.84 US$814,710
2025-05-20 2025-05-19 S Sale
1.6
Raj Vivek
Non-Executive Director
100,000 -37.2%
11.78
US$1,178,000 		100,000 -37.2% 11.78 US$1,178,000
2025-05-20 2025-05-16 S Sale
1.6
Raj Vivek
Non-Executive Director
100,000 -27.1%
11.74
US$1,174,000 		100,000 -27.1% 11.74 US$1,174,000
2025-05-15 2025-05-15 S Sale
1.6
Raj Vivek
Non-Executive Director
100,000 -21.3%
11.92
US$1,192,000 		100,000 -21.3% 11.92 US$1,192,000
2025-05-15 2025-05-13 S Sale
1.6
Raj Vivek
Non-Executive Director
2,284 -0.5%
12.22
US$27,910 		2,284 -0.5% 12.22 US$27,910
2025-05-13 2025-05-13 PrS Proposed sale
1.6
Vivek Raj

Director

Non-Executive Director
450,000
11.82
US$5,319,000 		450,000 11.82 US$5,319,000
2025-03-17 2025-03-14 S Sale
1.6
Raj Vivek
Non-Executive Director
250,000 -34.7%
9.17
US$2,292,500 		250,000 -34.7% 9.17 US$2,292,500
2025-03-14 2025-03-14 PrS Proposed sale
1.6
Vivek Raj

Director

Non-Executive Director
250,000
9.03
US$2,257,500 		250,000 9.03 US$2,257,500
2024-11-25 2024-11-22 S Sale
2.9
Cool Tracy Britt
Non-Executive Director
50,000 -22.4%
12.81
US$640,500 		50,000 -22.4% 12.81 US$640,500
2024-11-22 2024-11-22 PrS Proposed sale
2.9
Tracy Britt Cool

Director

Non-Executive Director
50,000
12.81
US$640,450 		50,000 12.81 US$640,450
2024-11-15 2024-11-15 PrS Proposed sale
3.1
Haitham Khouri

Officer

Officer
10,156
12.12
US$123,091 		10,156 12.12 US$123,091
2024-11-15 2024-11-15 S Sale
3.1
Khouri Haitham

Chief Executive Officer

Executive Director
80,156 -24.3%
12.16
US$974,697 		80,156 -24.3% 12.16 US$974,697
2024-11-15 2024-11-14 S Sale
3.1
Khouri Haitham

Chief Executive Officer

Executive Director
100,000 -23.3%
12.17
US$1,217,000 		100,000 -23.3% 12.17 US$1,217,000
2024-11-15 2024-11-13 S Sale
3.1
Khouri Haitham

Chief Executive Officer

Executive Director
80,000 -15.7%
12.05
US$964,000 		80,000 -15.7% 12.05 US$964,000
2024-11-13 2024-11-13 PrS Proposed sale
3.1
Haitham Khouri

Officer

Officer
250,000
12.23
US$3,057,500 		250,000 12.23 US$3,057,500
2024-06-13 2024-06-11 B Purchase
2.7
Valladares Jorge
Non-Executive Director
14,000 +inf%
7.15
US$100,086 		14,000 +inf% 7.15 US$100,086
Explore more

More insider trading research around Perimeter Solutions SA

More insider trades in United States
Similar Basic Materials companies with insider activity
More Chemicals companies with insider activity
More Chemicals companies with insider activity
Insider trading in North America