[Form 4] Primoris Services Corp Insider Trading Activity

Rhea-AI Filing Summary

Primoris Services Corp (PRIM) reported an insider equity award. A non-employee director received 302 shares of restricted common stock on 10/29/2025 under the company’s director compensation program. The award was set at a value of $37,500 based on the average closing price during September 2025, and the shares cannot be sold for twelve months from the grant date.

Following the transaction, the reporting person beneficially owns 20,540.502 shares directly and 10,000 shares indirectly through the Terry D. McCallister Trust dated 6/14/2013.

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

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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^*

MCCALLISTER TERRY D

(Last) (First) (Middle)

C/O PRIMORIS SERVICES CORPORATION

2300 NORTH 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)	20,540.502	D
Common Stock								10,000	I	By Trust(2)

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.

2. These shares are owned by the Terry D. McCallister Trust dated 6/14/2013 and indirectly by Terry D. McCallister, as a trustee of the trust.

	/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.

FAQ

What did PRIM disclose in this Form 4?

A non-employee director received 302 restricted shares of common stock on 10/29/2025 as part of director compensation.

What is the value of the director’s restricted stock award at PRIM?

The award was issued with a stated value of $37,500, based on the average closing price during September 2025.

Are the newly awarded PRIM shares immediately tradable?

No. The restricted shares cannot be sold for twelve months from the date of grant.

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

The reporting person beneficially owns 20,540.502 shares directly and 10,000 shares indirectly through a trust.

What entity holds the indirect PRIM ownership?

Indirect ownership of 10,000 shares is held by the Terry D. McCallister Trust dated 6/14/2013.

What program governs this PRIM director grant?

The grant was made under the non-employee director compensation program adopted in May 2011 and updated in July 2024.