30,000 Common Shares Notice Filed for Sale

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 notice for 30,000 shares of Common Stock dated 05/12/2026, described as an exercise of options under a registered plan with cash as the method of payment.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 notice for 30,000 shares of Common Stock dated 05/12/2026, described as an exercise of options under a registered plan with cash as the method of payment. The filing also lists prior dispositions by Kyle J Sable of 20,460 shares on 05/11/2026 for $672,849.61 and 150,000 shares on 05/08/2026 for $4,729,194.00.

Insights

Securities Compliance Analyst

Form 144 Notice records a registered-plan option exercise and recent selling activity.

The filing states 30,000 shares were to be sold on 05/12/2026 as an exercise of options under a registered plan, with cash listed as the payment method. Prior reported dispositions include 20,460 shares on 05/11/2026 and 150,000 shares on 05/08/2026, with dollar amounts provided.

These entries are notice-level disclosures required for certain restricted or control securities; cash-flow treatment and whether sales completed under Rule 144 conditions are not detailed in the excerpt. Subsequent filings or broker confirmations would show actual settlement status.

Key Figures

Noticed shares to be sold: 30,000 shares Prior disposition (May 11): 20,460 shares Prior disposition (May 8): 150,000 shares

3 metrics

Noticed shares to be sold 30,000 shares exercise of options under a registered plan on <date>05/12/2026</date>

Prior disposition (May 11) 20,460 shares sold on <date>05/11/2026</date> for <money>$672,849.61</money>

Prior disposition (May 8) 150,000 shares sold on <date>05/08/2026</date> for <money>$4,729,194.00</money>

Key Terms

Exercise of options under a registered plan, Securities To Be Sold, Securities Sold During The Past 3 Months

3 terms

Exercise of options under a registered plan regulatory

"Exercise of options under a registered plan"

Securities To Be Sold regulatory

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does PRM's Form 144 filing report?

The filing reports a notice to sell 30,000 common shares on 05/12/2026 described as an exercise of options under a registered plan. It lists cash as the payment method and shows recent separate dispositions by Kyle J Sable.

Who is listed as the selling party in the PRM Form 144?

The filing identifies Morgan Stanley Smith Barney LLC Executive Financial Services in connection with the 30,000-share entry dated 05/12/2026. It separately lists prior dispositions by Kyle J Sable on 05/11/2026 and 05/08/2026.

What recent share sales are shown in the filing for PRM?

The excerpt shows two past dispositions by Kyle J Sable: 20,460 shares on 05/11/2026 for $672,849.61 and 150,000 shares on 05/08/2026 for $4,729,194.00. These amounts are reported in the filing as past sales.

Does this Form 144 confirm settlement of the 30,000-share sale?

The filing provides a notice of sale for 30,000 shares described as an option exercise on 05/12/2026, but it does not confirm settlement or final cash recipients in the provided excerpt. Settlement details are not included here.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/12/2026 - 04:18 PM Learn about SEC filing dates

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	0002001580
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PERIMETER SOLUTIONS, INC.
SEC File Number	001-41027
Address of Issuer	8000 Maryland Avenue, Suite 350 Clayton MISSOURI 63105
Phone	(314) 396-7343
Name of Person for Whose Account the Securities are To Be Sold	KYLE J SABLE
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	Officer
Relationship to Issuer	Director

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	30000	952356.00	163127063	05/12/2026	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 *
Common	05/12/2026	Exercise of options under a registered plan	Issuer			30000	05/12/2026	Cash

* 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
KYLE J SABLE 8000 Maryland Avenue, Suite 350 Clayton MO 63105	Common	05/11/2026	20460	672849.61
KYLE J SABLE 8000 Maryland Avenue, Suite 350 Clayton MO 63105	Common	05/08/2026	150000	4729194.00

144: Remarks and Signature

Remarks
Date of Notice	05/12/2026
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	/s/ Kyle Sable
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)