PRM

Perimeter Solutions, Inc.

Insider trading activity for Perimeter Solutions, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$78M

net selling

Bought(0 · 0 insiders): $0
Sold(2 · 1 insiders): $78M

Past 6 months

-$217.5M

net selling

Bought(0 · 0 insiders): $0
Sold(19 · 4 insiders): $217.5M

Past 12 months

-$239.6M

net selling

Bought(0 · 0 insiders): $0
Sold(28 · 6 insiders): $239.6M

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jun 30	Windacre Partnership Llc	10% Owner	SSELL↺	1.9M	$33.90	$63.6M	-10.4%	Open the original filing on SEC.gov
Jun 29	Windacre Partnership Llc	10% Owner	SSELL↺	437,500	$33.00	$14.4M	-2.4%	Open the original filing on SEC.gov
Jun 26	Windacre Partnership Llc	10% Owner	SSELL↺	548,479	$34.51	$18.9M	-2.9%	Open the original filing on SEC.gov
Jun 26	Windacre Partnership Llc	10% Owner	SSELL↺	20,000	$36.25	$725K	-0.1%	Open the original filing on SEC.gov
Jun 26	Windacre Partnership Llc	10% Owner	SSELL↺	2.3M	$34.40	$79M	-10.8%	Open the original filing on SEC.gov
Jun 26	Windacre Partnership Llc	10% Owner	SSELL↺	150,000	$34.98	$5.2M	-0.7%	Open the original filing on SEC.gov
Jun 26	Windacre Partnership Llc	10% Owner	SSELL↺	378,600	$36.22	$13.7M	-1.7%	Open the original filing on SEC.gov
May 22	Khouri Haitham	Chief Executive Officer	SSELL	117,511	$31.19	$3.7M	-5.9%	Open the original filing on SEC.gov
May 21	Khouri Haitham	Chief Executive Officer	SSELL	91,724	$31.91	$2.9M	-4.4%	Open the original filing on SEC.gov
May 20	Khouri Haitham	Chief Executive Officer	SSELL	20,300	$34.09	$692K	-1.0%	Open the original filing on SEC.gov
May 13	Sable Kyle	Chief Financial Officer	MEXER◆	49,540	—	—	—	Open the original filing on SEC.gov
May 13	Sable Kyle	Chief Financial Officer	SSELL	3,277	$33.59	$110.1K	-100.0%	Open the original filing on SEC.gov
May 13	Sable Kyle	Chief Financial Officer	SSELL	46,263	$33.05	$1.5M	-93.4%	Open the original filing on SEC.gov
May 13	Sable Kyle	Chief Financial Officer	MEXER	49,540	$8.36	$414.2K	—	Open the original filing on SEC.gov
May 13	Emery Jeffrey	President - Global Fire…	MEXER◆	53,537	—	—	—	Open the original filing on SEC.gov
May 13	Emery Jeffrey	President - Global Fire…	SSELL	53,537	$33.45	$1.8M	-100.0%	Open the original filing on SEC.gov
May 13	Emery Jeffrey	President - Global Fire…	MEXER	53,537	$8.36	$447.6K	—	Open the original filing on SEC.gov
May 12	Sable Kyle	Chief Financial Officer	MEXER◆	30,000	—	—	—	Open the original filing on SEC.gov
May 12	Sable Kyle	Chief Financial Officer	SSELL	30,000	$31.75	$952.5K	-100.0%	Open the original filing on SEC.gov
May 12	Sable Kyle	Chief Financial Officer	MEXER	30,000	$8.36	$250.8K	—	Open the original filing on SEC.gov
May 11	Sable Kyle	Chief Financial Officer	MEXER◆	20,460	—	—	—	Open the original filing on SEC.gov
May 11	Sable Kyle	Chief Financial Officer	SSELL	20,460	$32.89	$672.9K	-100.0%	Open the original filing on SEC.gov
May 11	Sable Kyle	Chief Financial Officer	MEXER	20,460	$8.36	$171K	—	Open the original filing on SEC.gov
May 11	Emery Jeffrey	President - Global Fire…	MEXER◆	99,963	—	—	—	Open the original filing on SEC.gov
May 11	Emery Jeffrey	President - Global Fire…	SSELL	2,108	$34.05	$71.8K	-100.0%	Open the original filing on SEC.gov
May 11	Emery Jeffrey	President - Global Fire…	SSELL	97,855	$32.90	$3.2M	-97.9%	Open the original filing on SEC.gov
May 11	Emery Jeffrey	President - Global Fire…	MEXER	99,963	$8.36	$835.7K	—	Open the original filing on SEC.gov
May 8	Sable Kyle	Chief Financial Officer	MEXER◆	130,000	—	—	—	Open the original filing on SEC.gov
May 8	Sable Kyle	Chief Financial Officer	MEXER◆	20,000	—	—	—	Open the original filing on SEC.gov
May 8	Sable Kyle	Chief Financial Officer	SSELL	150,000	$31.52	$4.7M	-100.0%	Open the original filing on SEC.gov
May 8	Sable Kyle	Chief Financial Officer	MEXER	130,000	$8.36	$1.1M	+650.0%	Open the original filing on SEC.gov
May 8	Sable Kyle	Chief Financial Officer	MEXER	20,000	$3.89	$77.8K	—	Open the original filing on SEC.gov
May 8	Emery Jeffrey	President - Global Fire…	MEXER◆	46,500	—	—	—	Open the original filing on SEC.gov
May 8	Emery Jeffrey	President - Global Fire…	SSELL	46,500	$32.00	$1.5M	-100.0%	Open the original filing on SEC.gov
May 8	Emery Jeffrey	President - Global Fire…	MEXER	46,500	$8.36	$388.7K	—	Open the original filing on SEC.gov
Apr 23	Howley W Nicholas	Director	GGIFT	3.5M	—	—	-85.2%	Open the original filing on SEC.gov
Apr 1	Howley W Nicholas	Director	GGIFT	1M	—	—	-19.7%	Open the original filing on SEC.gov
Mar 11	Thorndike William N Jr	Director	SSELL	100,000	$23.18	$2.3M	-1.2%	Open the original filing on SEC.gov
Mar 10	Thorndike William N Jr	Director	SSELL	100,000	$23.63	$2.4M	-1.1%	Open the original filing on SEC.gov
Mar 9	Thorndike William N Jr	Director	SSELL	34,957	$23.85	$833.7K	-0.4%	Open the original filing on SEC.gov
Mar 9	Thorndike William N Jr	Director	SSELL	90,043	$23.18	$2.1M	-1.0%	Open the original filing on SEC.gov
Mar 6	Thorndike William N Jr	Director	SSELL	100,000	$23.63	$2.4M	-1.1%	Open the original filing on SEC.gov
Mar 5	Thorndike William N Jr	Director	SSELL	100,000	$24.06	$2.4M	-1.1%	Open the original filing on SEC.gov
Mar 4	Thorndike William N Jr	Director	SSELL	125,000	$24.26	$3M	-1.4%	Open the original filing on SEC.gov
Mar 3	Raj Vivek	Director	AGRANT	555,859	—	—	+456.7%	Open the original filing on SEC.gov
Mar 3	Thorndike William N Jr	Director	AGRANT	5.6M	—	—	+154.9%	Open the original filing on SEC.gov
Mar 3	Khouri Haitham	Chief Executive Officer	AGRANT	1.6M	—	—	+317.6%	Open the original filing on SEC.gov
Mar 3	Howley W Nicholas	Director	GGIFT	1.1M	—	—	-17.8%	Open the original filing on SEC.gov
Mar 3	Howley W Nicholas	Director	AGRANT	5.6M	—	—	+920.9%	Open the original filing on SEC.gov
Mar 3	Cool Tracy Britt	Director	AGRANT	65,843	—	—	+35.7%	Open the original filing on SEC.gov
Feb 26	Sable Kyle	Chief Financial Officer	AGRANT◆	100,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Sable Kyle	Chief Financial Officer	AGRANT◆	20,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Sable Kyle	Chief Financial Officer	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Yokozuka Noriko	General Counsel	AGRANT◆	120,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Raj Vivek	Director	AGRANT◆	1,750	—	—	—	Open the original filing on SEC.gov
Feb 26	Raj Vivek	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Raj Vivek	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Raj Vivek	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Raj Vivek	Director	AGRANT◆	6,194	—	—	—	Open the original filing on SEC.gov
Feb 26	Valladares III Jorge L.	Director	AGRANT◆	6,194	—	—	—	Open the original filing on SEC.gov
Feb 26	Valladares III Jorge L.	Director	AGRANT◆	6,194	—	—	—	Open the original filing on SEC.gov
Feb 26	Khouri Haitham	Chief Executive Officer	AGRANT◆	400,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Khouri Haitham	Chief Executive Officer	AGRANT◆	100,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Khouri Haitham	Chief Executive Officer	AGRANT◆	88,489	—	—	—	Open the original filing on SEC.gov
Feb 26	Iversen Bernt G II	Director	AGRANT◆	5,833	—	—	—	Open the original filing on SEC.gov
Feb 26	Iversen Bernt G II	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Iversen Bernt G II	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Iversen Bernt G II	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Iversen Bernt G II	Director	AGRANT◆	6,194	—	—	—	Open the original filing on SEC.gov
Feb 26	Iversen Bernt G II	Director	AGRANT◆	2,655	—	—	—	Open the original filing on SEC.gov
Feb 26	Henderson Robert S	Director	AGRANT◆	1,750	—	—	—	Open the original filing on SEC.gov
Feb 26	Henderson Robert S	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Henderson Robert S	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Henderson Robert S	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Henderson Robert S	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Henderson Robert S	Director	AGRANT◆	6,194	—	—	—	Open the original filing on SEC.gov
Feb 26	Henderson Robert S	Director	AGRANT◆	2,655	—	—	—	Open the original filing on SEC.gov
Feb 26	Hennessy Sean P	Director	AGRANT◆	1,750	—	—	—	Open the original filing on SEC.gov
Feb 26	Hennessy Sean P	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Hennessy Sean P	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Hennessy Sean P	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Hennessy Sean P	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Hennessy Sean P	Director	AGRANT◆	6,194	—	—	—	Open the original filing on SEC.gov
Feb 26	Emery Jeffrey	President - Global Fire…	AGRANT◆	200,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Cool Tracy Britt	Director	AGRANT◆	1,750	—	—	—	Open the original filing on SEC.gov
Feb 26	Cool Tracy Britt	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Cool Tracy Britt	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Cool Tracy Britt	Director	AGRANT◆	7,000	—	—	—	Open the original filing on SEC.gov
Feb 26	Cool Tracy Britt	Director	AGRANT◆	6,194	—	—	—	Open the original filing on SEC.gov
Feb 26	Bowman Grant	President, Specialty…	AGRANT◆	39,820	—	—	—	Open the original filing on SEC.gov
Feb 26	Bowman Grant	President, Specialty…	AGRANT◆	100,000	—	—	—	Open the original filing on SEC.gov
Dec 12, 2025	Sable Kyle	Chief Financial Officer	MEXER◆	100,000	—	—	—	Open the original filing on SEC.gov
Dec 12, 2025	Sable Kyle	Chief Financial Officer	SSELL	100,000	$28.47	$2.8M	-100.0%	Open the original filing on SEC.gov
Dec 12, 2025	Sable Kyle	Chief Financial Officer	MEXER	100,000	$8.36	$836K	—	Open the original filing on SEC.gov
Dec 12, 2025	Yokozuka Noriko	General Counsel	MEXER◆	120,000	—	—	—	Open the original filing on SEC.gov
Dec 12, 2025	Yokozuka Noriko	General Counsel	MEXER◆	17,500	—	—	—	Open the original filing on SEC.gov
Dec 12, 2025	Yokozuka Noriko	General Counsel	SSELL	137,500	$28.44	$3.9M	-74.5%	Open the original filing on SEC.gov
Dec 12, 2025	Yokozuka Noriko	General Counsel	MEXER	120,000	$10.00	$1.2M	+185.6%	Open the original filing on SEC.gov
Dec 12, 2025	Yokozuka Noriko	General Counsel	MEXER	17,500	$10.00	$175K	+37.1%	Open the original filing on SEC.gov
Dec 9, 2025	Thorndike William N Jr	Director	GGIFT	673,685	—	—	-15.8%	Open the original filing on SEC.gov

SSELL↺$63.6M

Windacre Partnership Llc · 10% OwnerJun 30

1.9M sh @ $33.90 · -10.4% own

SSELL↺$14.4M

Windacre Partnership Llc · 10% OwnerJun 29

437,500 sh @ $33.00 · -2.4% own

SSELL↺$18.9M

Windacre Partnership Llc · 10% OwnerJun 26

548,479 sh @ $34.51 · -2.9% own

SSELL↺$725K

Windacre Partnership Llc · 10% OwnerJun 26

20,000 sh @ $36.25 · -0.1% own

SSELL↺$79M

Windacre Partnership Llc · 10% OwnerJun 26

2.3M sh @ $34.40 · -10.8% own

SSELL↺$5.2M

Windacre Partnership Llc · 10% OwnerJun 26

150,000 sh @ $34.98 · -0.7% own

SSELL↺$13.7M

Windacre Partnership Llc · 10% OwnerJun 26

378,600 sh @ $36.22 · -1.7% own

SSELL$3.7M

Khouri Haitham · Chief Executive…May 22

117,511 sh @ $31.19 · -5.9% own

SSELL$2.9M

Khouri Haitham · Chief Executive…May 21

91,724 sh @ $31.91 · -4.4% own

SSELL$692K

Khouri Haitham · Chief Executive…May 20

20,300 sh @ $34.09 · -1.0% own

MEXER◆—

Sable Kyle · Chief Financial…May 13

49,540 sh

SSELL$110.1K

Sable Kyle · Chief Financial…May 13

3,277 sh @ $33.59 · -100.0% own

SSELL$1.5M

Sable Kyle · Chief Financial…May 13

46,263 sh @ $33.05 · -93.4% own

MEXER$414.2K

Sable Kyle · Chief Financial…May 13

49,540 sh @ $8.36

MEXER◆—

Emery Jeffrey · President -…May 13

53,537 sh

SSELL$1.8M

Emery Jeffrey · President -…May 13

53,537 sh @ $33.45 · -100.0% own

MEXER$447.6K

Emery Jeffrey · President -…May 13

53,537 sh @ $8.36

MEXER◆—

Sable Kyle · Chief Financial…May 12

30,000 sh

SSELL$952.5K

Sable Kyle · Chief Financial…May 12

30,000 sh @ $31.75 · -100.0% own

MEXER$250.8K

Sable Kyle · Chief Financial…May 12

30,000 sh @ $8.36

MEXER◆—

Sable Kyle · Chief Financial…May 11

20,460 sh

SSELL$672.9K

Sable Kyle · Chief Financial…May 11

20,460 sh @ $32.89 · -100.0% own

MEXER$171K

Sable Kyle · Chief Financial…May 11

20,460 sh @ $8.36

MEXER◆—

Emery Jeffrey · President -…May 11

99,963 sh

SSELL$71.8K

Emery Jeffrey · President -…May 11

2,108 sh @ $34.05 · -100.0% own

SSELL$3.2M

Emery Jeffrey · President -…May 11

97,855 sh @ $32.90 · -97.9% own

MEXER$835.7K

Emery Jeffrey · President -…May 11

99,963 sh @ $8.36

MEXER◆—