[Form 4] Perimeter Solutions, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Perimeter Solutions insider transaction: Jeffrey Emery, President - Global Fire Safety and an officer of Perimeter Solutions, exercised 300,000 stock options at an $8.36 exercise price and immediately sold 300,000 shares on 09/04/2025. The sale price reported is a weighted average of $22.28 per share, with individual sale prices ranging approximately $21.96 to $22.88. After the transactions the Reporting Person reports 0 shares beneficially owned.

The transactions were filed on 09/08/2025 and executed pursuant to a stock option exercise and contemporaneous sale. The filer offered to provide detailed per-price share counts upon request.

Insights

Corporate Governance Expert

TL;DR: Routine option exercise and sale by an officer; material for disclosure but not necessarily a change in company fundamentals.

The filing shows an officer exercised vested options at $8.36 and sold all 300,000 resulting shares at an average of $22.28, realizing gross proceeds materially above exercise cost. This is a common liquidity event that converts equity compensation to cash. It reduces insider ownership to zero, which investors may note for alignment and signaling reasons. No change to company capital structure or new issuance is indicated in this Form 4.

Securities Analyst

TL;DR: Officer captured significant spread between exercise price and sale price; filing is informative but not dispositive for valuation.

The transaction captured roughly a $13.92 per-share spread between exercise price and weighted average sale price, indicating substantial intrinsic value in the options exercised. Because the shares were sold immediately and beneficial ownership is reported as zero post-transaction, there is no ongoing insider buy signal. For market impact, the block size (300,000 shares) may be notable relative to daily volume but this Form 4 does not provide trading-volume context.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Emery Jeffrey

(Last) (First) (Middle)

C/O PERIMETER SOLUTIONS, INC.

8000 MARYLAND AVE., SUITE 350

(Street)

CLAYTON MO 63105

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Perimeter Solutions, Inc. [ PRM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President - Global Fire Safety

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/04/2025		M		300,000	A	$8.36	300,000	D
Common Stock	09/04/2025		S		300,000	D	$22.28(1)	0	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$8.36	09/04/2025		M			300,000	02/20/2025	05/06/2032	Common Stock	300,000	$0	300,000	D

Explanation of Responses:

1. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transaction ranged from approximately $21.96 to $22.88 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.

Remarks:

	/s/ Noriko Yokozuka, as Attorney-in-Fact	09/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Perimeter Solutions insider Jeffrey Emery do on 09/04/2025 (PRM)?

He exercised 300,000 options at $8.36 and sold 300,000 shares at a weighted average price of $22.28, resulting in 0 shares owned.

How many shares were sold and at what price in the Form 4 for PRM?

300,000 shares were sold on 09/04/2025 at a weighted average price of $22.28 per share (individual prices ranged ~$21.96 to $22.88).

Did the Form 4 report any remaining beneficial ownership for the reporting person?

No. The filing reports 0 shares beneficially owned following the transactions.

What was the exercise price of the options exercised by the reporting person?

$8.36 per share.

Where can I get a breakdown of shares sold at each price?

The filer stated they will provide the Securities and Exchange Commission staff, the issuer or a security holder with full information regarding the number of shares sold at each separate price upon request.