PRIM Form 4: 302-share restricted stock grant valued at $37,500

Rhea-AI Filing Summary

Primoris Services Corp (PRIM) reported a Form 4 for a non-employee director showing a grant of 302 shares of common stock on 10/29/2025 under the board’s director compensation program.

The award was valued at $37,500, based on the average closing price during September 2025, and the shares cannot be sold for 12 months from the grant date. Following this transaction, the director beneficially owns 23,612 shares, held directly.

Insider Trade Summary

Net Buyer: 302 shares

Net Buy 1 txn

Insider MASHINSKI CARLA S

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	302	$0.00	$0.00

Holdings After Transaction: Common Stock — 23,612 shares (Direct)

Footnotes (1)

1. F1. The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2025, resulting in a grant of 302 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 10/30/2025 - 05:35 PM Learn about SEC filing dates

FAQ

What insider transaction did PRIM report on Form 4?

A grant of 302 shares of common stock to a non-employee director on 10/29/2025.

What was the value of the PRIM director equity grant?

The restricted stock grant was valued at $37,500, based on the average closing price during September 2025.

Are there sale restrictions on the granted PRIM shares?

Yes. The shares cannot be sold for 12 months from the date of grant.

How many PRIM shares does the director own after the transaction?

The director beneficially owns 23,612 shares, held directly, after the reported transaction.

Was the PRIM grant part of a board-approved program?

Yes. It was under the non-employee director compensation program adopted May 2011 and updated July 2024.

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^*

MASHINSKI CARLA S

(Last) (First) (Middle)

C/O PRIMORIS SERVICES CORPORATION

2300 N. FIELD STREET, SUITE 1900

(Street)

DALLAS TX 75201

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Primoris Services Corp [ PRIM ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/29/2025

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	10/29/2025		A		302	A	(1)	23,612	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

Explanation of Responses:

1. The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2025, resulting in a grant of 302 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

	/s/ Kenneth M. Dodgen, Attorney-in-Fact	10/30/2025
	** 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.