Primoris director sells 20,000 shares in open market

Primoris Services Corp director David Lee King sold 20,000 shares of Common Stock in open-market transactions.

Rhea-AI Filing Summary

Primoris Services Corp director David Lee King sold 20,000 shares of Common Stock in open-market transactions. The sales occurred on May 26, 2026, at weighted-average prices around $118.55–$120.27 per share, executed through multiple trades within narrower price ranges. King continues to hold Primoris shares directly after these transactions.

Insider Trade Summary

Net Seller: 20,000 shares

Net Sell 3 txns

Insider King David Lee

Role Director

Sold 20,000 shs ($2.38M)

Type	Security	Shares	Price	Value
Sale	Common Stock	12,333	$118.5497	$1.46M
Sale	Common Stock	3,917	$119.6634	$469K
Sale	Common Stock	3,750	$120.2683	$451K

Holdings After Transaction: Common Stock — 14,941 shares (Direct)

Footnotes (3)

1. F1. These shares were sold in multiple transactions at prices ranging from $118.00 to $119.00 per share, inclusive. The holder undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
2. F2. These shares were sold in multiple transactions at prices ranging from $119.01 to $120.00 per share, inclusive. The holder undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. F3. These shares were sold in multiple transactions at prices ranging from $120.03 to $120.60 per share, inclusive. The holder undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Key Figures

Total shares sold: 20,000 shares First block sold: 3,750 shares at $120.2683 Second block sold: 3,917 shares at $119.6634 +4 more

7 metrics

Total shares sold 20,000 shares Aggregate insider sales of Common Stock on May 26, 2026

First block sold 3,750 shares at $120.2683 Open-market sale of Common Stock

Second block sold 3,917 shares at $119.6634 Open-market sale of Common Stock

Third block sold 12,333 shares at $118.5497 Open-market sale of Common Stock

Price range footnote 1 $118.00–$119.00 per share Multiple transactions within this range

Price range footnote 2 $119.01–$120.00 per share Multiple transactions within this range

Price range footnote 3 $120.03–$120.60 per share Multiple transactions within this range

Key Terms

open-market sale, Common Stock, multiple transactions, Form 4

4 terms

open-market sale financial

"transaction_action: "open-market sale" and code description "Sale in open market or private transaction""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: "Common Stock" on each reported transaction line"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

multiple transactions financial

"footnotes state "These shares were sold in multiple transactions at prices ranging from...""

Form 4 regulatory

"INSIDER FILING DATA (Form 4) heading describing the insider report"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What insider transaction did Primoris Services Corp (PRIM) disclose?

Primoris disclosed that director David Lee King sold 20,000 shares of Common Stock in open-market transactions on May 26, 2026. These sales were reported on a Form 4 insider trading filing with detailed pricing ranges.

How many Primoris (PRIM) shares did David Lee King sell and at what prices?

David Lee King sold a total of 20,000 Primoris Common Stock shares. The weighted-average prices for the three trades were about $118.55, $119.66, and $120.27 per share, each representing multiple executions within stated price ranges.

Was the Primoris (PRIM) insider sale by David Lee King an open-market transaction?

Yes. The Form 4 classifies each transaction as an open-market sale of Primoris Common Stock. The sales used transaction code “S,” indicating open-market or private sale transactions under SEC reporting rules for insiders.

On what date did the Primoris (PRIM) director sell 20,000 shares?

All reported sales occurred on May 26, 2026. The Form 4 shows three separate non-derivative Common Stock transactions on that date, each with its own share amount and weighted-average sale price range disclosure.

Does David Lee King still own Primoris (PRIM) shares after these Form 4 sales?

Yes. The Form 4 shows that David Lee King continues to hold Primoris Common Stock directly after the reported sales. Individual line items list post-transaction share balances, indicating an ongoing ownership position in the company.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/28/2026 - 05:05 PM EDT Learn about SEC filing dates

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^*

King David Lee

(Last) (First) (Middle)

C/O PRIMORIS SERVICES CORPORATION

2300 N. FIELD STREET, SUITE 1900

(Street)

DALLAS TEXAS 75201

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026

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

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

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

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	05/26/2026		S		12,333	D	$118.5497(1)	22,608	D
Common Stock	05/26/2026		S		3,917	D	$119.6634(2)	18,691	D
Common Stock	05/26/2026		S		3,750	D	$120.2683(3)	14,941	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. These shares were sold in multiple transactions at prices ranging from $118.00 to $119.00 per share, inclusive. The holder undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. These shares were sold in multiple transactions at prices ranging from $119.01 to $120.00 per share, inclusive. The holder undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. These shares were sold in multiple transactions at prices ranging from $120.03 to $120.60 per share, inclusive. The holder undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

	/s/ Kenneth M. Dodgen, Attorney-in-Fact	05/28/2026
	** 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.
* Form 4: SEC 1474 (03-26)