Perimeter Solutions (PRM) insider files Form 144 reporting 111, ...

Rhea-AI Filing Summary

Perimeter Solutions (PRM) Form 144 notice: proposed sales of Class A Common shares by Haitham Khouri. The filing lists dispositions of 20,300 shares on 05/20/2026 and 91,724 shares on 05/21/2026. The filing also shows 117,511 shares referenced with 03/02/2026 and the phrase "Acquired from issuer in private transaction." The securities are listed as Class A Common on NYSE.

Insights

Securities Compliance Analyst

Form 144 lists proposed or reported dispositions of restricted Class A Common shares by a single holder.

The excerpt identifies Haitham Khouri as the reporting holder with reported dispositions of 20,300 shares on 05/20/2026 and 91,724 shares on 05/21/2026

It also records 117,511 shares tied to 03/02/2026 with the verbatim phrase "Acquired from issuer in private transaction"; this suggests an acquisition event quoted in the excerpt. The filing identifies the listing venue as NYSE. Further details on sale method, broker, or proceeds are not provided in the excerpt.

Corporate Governance Specialist

The notice documents insider share movements and an earlier acquisition noted as private.

The form names the shareholder and gives exact share counts and transaction dates (05/20/2026, 05/21/2026, 03/02/2026), which are the primary compliance facts regulators and transfer agents require.

Timing and method qualifiers such as broker-dealer routing or whether proceeds accrue to the holder are not shown in the provided excerpt; subsequent filings or broker confirmations would state execution details.

Key Figures

Disposal on 05/20/2026: 20,300 shares Disposal on 05/21/2026: 91,724 shares Acquisition noted: 117,511 shares +1 more

4 metrics

Disposal on 05/20/2026 20,300 shares Disposition reported for Haitham Khouri on 05/20/2026

Disposal on 05/21/2026 91,724 shares Disposition reported for Haitham Khouri on 05/21/2026

Acquisition noted 117,511 shares Listed with date 03/02/2026 and phrase 'Acquired from issuer in private transaction'

Listing venue NYSE Exchange listed for Class A Common in excerpt

Key Terms

Form 144, Class A Common, Acquired from issuer in private transaction

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Class A Common financial

"Class A Common | 03/02/2026 | Acquired from issuer in private transaction"

Acquired from issuer in private transaction regulatory

"Class A Common | 03/02/2026 | Acquired from issuer in private transaction"

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	117511	3654592.1	163127063	05/22/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common	03/02/2026	Acquired from issuer in private transaction	PERIMETER SOLUTIONS, INC. CMN			117511	03/02/2026	None

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Haitham Khouri 8000 Maryland Avenue Suite 350 Clayton MO 63105	Class A Common	05/20/2026	20300	692067.6
Haitham Khouri 8000 Maryland Avenue Suite 350 Clayton MO 63105	Class A Common	05/21/2026	91724	2927151.32

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the PRM Form 144 disclose about Haitham Khouri's transactions?

It discloses proposed or reported dispositions of 20,300 shares on 05/20/2026 and 91,724 shares on 05/21/2026. The form also references 117,511 shares tied to 03/02/2026 described as "Acquired from issuer in private transaction."

Does the filing state where Perimeter Solutions' shares trade?

Yes. The excerpt lists the security as Class A Common with trading venue shown as NYSE. No specific execution venue or broker details for the reported dispositions appear in the excerpt.

Are proceeds or sale methods disclosed in this PRM Form 144 excerpt?

No. The provided excerpt lists share counts and dates but does not specify cash proceeds, sale prices, or the distribution method. Execution details are not present in the excerpt.

What does 'Acquired from issuer in private transaction' mean in this filing?

It is the filing's verbatim description that 117,511 shares are associated with an acquisition dated 03/02/2026. The phrase indicates the shares were obtained directly from the issuer in a private deal, as stated in the excerpt.

Is Form 144 an approval to sell shares for PRM?

No. Form 144 is a notice of proposed sale by an affiliate or control person; it is a disclosure, not regulatory approval. The excerpt shows the reported proposed or actual dispositions and acquisition language only.