Primoris (PRIM) director reports sale of 2,082 shares at $135.14 on Form 4

Rhea-AI Filing Summary

Primoris Services Corp director reported a routine insider trade in company stock. On 12/08/2025, the reporting person sold 2,082 shares of common stock at a price of $135.1401 per share. After this sale, the insider beneficially owned 21,530 shares, held directly.

The filing is a Form 4, which discloses changes in ownership by company insiders so investors can see how directors and officers are trading the stock.

Insider Trade Summary

Net Seller: 2,082 shares ($281,362)

Net Sell 1 txn

Insider MASHINSKI CARLA S

Role Director

Sold 2,082 shs ($281K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,082	$135.1401	$281K

Holdings After Transaction: Common Stock — 21,530 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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)
12/08/2025

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	12/08/2025		S		2,082	D	$135.1401	21,530	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:

	/s/ Kennetih M. Dodgen, Attorney-in-Fact	12/09/2025
	** 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 insider transaction did Primoris Services Corp (PRIM) disclose?

A director of Primoris Services Corp reported selling 2,082 shares of common stock in a Form 4 insider trading report.

On what date did the Primoris (PRIM) insider sale occur?

The insider sale took place on 12/08/2025, as reported in the Form 4.

At what price were Primoris (PRIM) shares sold in this Form 4 filing?

The 2,082 shares of Primoris common stock were sold at a price of $135.1401 per share.

How many Primoris (PRIM) shares does the insider own after the reported trade?

Following the transaction, the reporting person beneficially owns 21,530 shares of Primoris common stock, held directly.

What is the relationship of the reporting person to Primoris (PRIM)?

The reporting person is listed as a Director of Primoris Services Corp in the Form 4.

Is this Primoris (PRIM) Form 4 filed by one or multiple reporting persons?

The document indicates it is a Form filed by one reporting person.