WINDACRE PARTNERSHIP LLC - 26 Jun 2026 Form 4/A - Amendment Insider Report for Perimeter Solutions, Inc. (PRM)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4/A - Amendment
Accepted by SEC
13 Jul 2026, 17:30:32 UTC
Original report date
30 Jun 2026
Prior SEC filing
13 Oct 2022
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
The WindAcre Partnership LLC, By: /s/ Snehal Amin, Managing Member

Key filing fact

WINDACRE PARTNERSHIP LLC filed Form 4/A - Amendment for Perimeter Solutions, Inc. (PRM) on 13 Jul 2026.

Key facts

  • This page summarizes WINDACRE PARTNERSHIP LLC's Form 4/A - Amendment filing for Perimeter Solutions, Inc. (PRM).
  • 7 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 13 Jul 2026, 17:30.

Change

  • Previous filing in this sequence was filed on 13 Oct 2022.
  • Current net transaction value: -$195,609,062.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (5)

CIK 0001599383 Primary reporting owner

WINDACRE PARTNERSHIP LLC

Relationship
10%+ Owner
Address
2200 POST OAK BOULEVARD, SUITE 1580, HOUSTON
Signature
The WindAcre Partnership LLC, By: /s/ Snehal Amin, Managing Member
Signature date
13 Jul 2026
CIK 0001893715

WindAcre Partnership Master Fund, LP

Relationship
10%+ Owner
Address
2200 POST OAK BOULEVARD, SUITE 1580, HOUSTON
Signature
The WindAcre Partnership Master Fund, LP, By: The WAP GP LLC, its General Partner, By: /s/ Snehal Amin, Managing Member
Signature date
13 Jul 2026
CIK 0001893721

WindAcre General Partner LP

Relationship
10%+ Owner
Address
2200 POST OAK BOULEVARD, SUITE 1580, HOUSTON
Signature
The WindAcre General Partner LP, By: The WAP GP LLC, its General Partner, By: /s/ Snehal Amin, Managing Member
Signature date
13 Jul 2026
CIK 0001893648

WAPGP LLC

Relationship
10%+ Owner
Address
2200 POST OAK BOULEVARD, SUITE 1580, HOUSTON
Signature
The WAP GP LLC, By: /s/ Snehal Amin, Managing Member
Signature date
13 Jul 2026
CIK 0001893660

Amin Snehal

Relationship
10%+ Owner
Address
2200 POST OAK BOULEVARD, SUITE 1580, HOUSTON
Signature
/s/ Snehal Amin
Signature date
13 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PRM transaction

Ordinary shares

Sale

Transaction value
$13,712,892
Shares
-378,600
Change %
-1.7%
Price
$36.22
Shares after
21,476,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$13,712,892
Shares
-378,600
Change %
-1.7%
Price
$36.22
Shares after
21,476,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$13,712,892
Shares
-378,600
Change %
-1.7%
Price
$36.22
Shares after
21,476,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$13,712,892
Shares
-378,600
Change %
-1.7%
Price
$36.22
Shares after
21,476,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$13,712,892
Shares
-378,600
Change %
-1.7%
Price
$36.22
Shares after
21,476,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$5,247,000
Shares
-150,000
Change %
-0.7%
Price
$34.98
Shares after
21,326,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$5,247,000
Shares
-150,000
Change %
-0.7%
Price
$34.98
Shares after
21,326,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$5,247,000
Shares
-150,000
Change %
-0.7%
Price
$34.98
Shares after
21,326,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$5,247,000
Shares
-150,000
Change %
-0.7%
Price
$34.98
Shares after
21,326,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$5,247,000
Shares
-150,000
Change %
-0.7%
Price
$34.98
Shares after
21,326,000
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$78,996,160
Shares
-2,296,400
Change %
-11%
Price
$34.40
Shares after
19,029,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$78,996,160
Shares
-2,296,400
Change %
-11%
Price
$34.40
Shares after
19,029,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$78,996,160
Shares
-2,296,400
Change %
-11%
Price
$34.40
Shares after
19,029,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$78,996,160
Shares
-2,296,400
Change %
-11%
Price
$34.40
Shares after
19,029,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$78,996,160
Shares
-2,296,400
Change %
-11%
Price
$34.40
Shares after
19,029,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$725,000
Shares
-20,000
Change %
-0.11%
Price
$36.25
Shares after
19,009,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$725,000
Shares
-20,000
Change %
-0.11%
Price
$36.25
Shares after
19,009,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$725,000
Shares
-20,000
Change %
-0.11%
Price
$36.25
Shares after
19,009,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$725,000
Shares
-20,000
Change %
-0.11%
Price
$36.25
Shares after
19,009,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$725,000
Shares
-20,000
Change %
-0.11%
Price
$36.25
Shares after
19,009,600
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$18,928,010
Shares
-548,479
Change %
-2.9%
Price
$34.51
Shares after
18,461,121
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$18,928,010
Shares
-548,479
Change %
-2.9%
Price
$34.51
Shares after
18,461,121
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$18,928,010
Shares
-548,479
Change %
-2.9%
Price
$34.51
Shares after
18,461,121
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$18,928,010
Shares
-548,479
Change %
-2.9%
Price
$34.51
Shares after
18,461,121
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$18,928,010
Shares
-548,479
Change %
-2.9%
Price
$34.51
Shares after
18,461,121
Date
26 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$14,437,500
Shares
-437,500
Change %
-2.4%
Price
$33.00
Shares after
18,023,621
Date
29 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$14,437,500
Shares
-437,500
Change %
-2.4%
Price
$33.00
Shares after
18,023,621
Date
29 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$14,437,500
Shares
-437,500
Change %
-2.4%
Price
$33.00
Shares after
18,023,621
Date
29 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$14,437,500
Shares
-437,500
Change %
-2.4%
Price
$33.00
Shares after
18,023,621
Date
29 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$14,437,500
Shares
-437,500
Change %
-2.4%
Price
$33.00
Shares after
18,023,621
Date
29 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$63,562,500
Shares
-1,875,000
Change %
-10%
Price
$33.90
Shares after
16,148,621
Date
30 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$63,562,500
Shares
-1,875,000
Change %
-10%
Price
$33.90
Shares after
16,148,621
Date
30 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$63,562,500
Shares
-1,875,000
Change %
-10%
Price
$33.90
Shares after
16,148,621
Date
30 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$63,562,500
Shares
-1,875,000
Change %
-10%
Price
$33.90
Shares after
16,148,621
Date
30 Jun 2026
Ownership
Direct
Footnotes
F1
PRM transaction

Ordinary shares

Sale

Transaction value
$63,562,500
Shares
-1,875,000
Change %
-10%
Price
$33.90
Shares after
16,148,621
Date
30 Jun 2026
Ownership
Direct
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

WINDACRE PARTNERSHIP LLC is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 1 footnote

Footnote F1

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.

SEC remarks

This amendment is being filed to add certain Reporting Persons following the resolution of an administrative issue that prevented them from being included in the original Form 4 filing on June 30, 2026. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its or his pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

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