Primoris (PRIM) CEO Vadlamudi Koti reports open-market buy of 7,815 shares

Rhea-AI Filing Summary

Primoris Services Corp president and CEO Vadlamudi Koti reported an open-market purchase of 7,815 shares of common stock. The trade occurred on May 27, 2026 at an average price of $127.9596 per share, and represents his directly held position of 7,815 shares after the transaction.

This Form 4/A is an amendment that updates the transaction code to “P,” confirming it as a purchase. A footnote explains the shares were bought in multiple trades within a price range of $127.81 to $128.00 per share.

Insider Trade Summary

Net Buyer: 7,815 shares ($1,000,004)

Net Buy 1 txn

Insider Vadlamudi Koti

Role PRESIDENT & CEO

Bought 7,815 shs ($1.00M)

Type	Security	Shares	Price	Value
Purchase	Common Stock	7,815	$127.9596	$1.00M

Holdings After Transaction: Common Stock — 7,815 shares (Direct, null)

Footnotes (1)

1. This amended Form 4 amends such filing to report the transaction code in Column 3 as "P". These shares were purchased in multiple transactions at prices ranging from $127.81 to $128.00 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 purchased at each separate price within the range set forth in this footnote.

Key Figures

Shares purchased: 7,815 shares Average purchase price: $127.9596 per share Price range: $127.81–$128.00 per share +1 more

4 metrics

Shares purchased 7,815 shares Open-market purchase on May 27, 2026

Average purchase price $127.9596 per share Common stock transaction

Price range $127.81–$128.00 per share Multiple trades within this range

Shares held after transaction 7,815 shares Direct ownership reported in Form 4/A

Key Terms

open-market purchase, Form 4/A, transaction code "P", direct ownership

4 terms

open-market purchase financial

"reported an open-market purchase of 7,815 shares of common stock"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Form 4/A regulatory

"This Form 4/A is an amendment that updates the transaction code"

Form 4/A is an amended filing that corrects or updates an earlier Form 4, the mandatory report that insiders (like company executives, directors, or large shareholders) must file when their ownership stakes change. Think of it as an edited receipt showing who bought or sold stock and when; investors use it to track insider confidence, detect potential conflicts, and spot trading patterns that might signal future company prospects.

transaction code "P" regulatory

"amends such filing to report the transaction code in Column 3 as "P""

direct ownership financial

"represents his directly held position of 7,815 shares after the transaction"

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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^*

Vadlamudi Koti

(Last) (First) (Middle)

C/O PRIMORIS SERVICES CORPORATION

2300 NORTH 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
X	Officer (give title below)		Other (specify below)
	PRESIDENT & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/27/2026

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)
05/27/2026

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	05/27/2026		P(1)		7,815	A	$127.9596(2)	7,815	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. This amended Form 4 amends such filing to report the transaction code in Column 3 as "P".

2. These shares were purchased in multiple transactions at prices ranging from $127.81 to $128.00 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 purchased at each separate price within the range set forth in this footnote.

	/s/ Kenneth M. Dodgen	06/01/2026
	** 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)

FAQ

What insider transaction did PRIM CEO Vadlamudi Koti report on this Form 4/A?

Vadlamudi Koti reported buying 7,815 shares of Primoris Services common stock in an open-market transaction. The purchase was made at an average price of $127.9596 per share, and these 7,815 shares are reported as his directly held position after the transaction.

When did the Primoris (PRIM) CEO purchase the 7,815 shares of common stock?

The Primoris CEO’s 7,815-share purchase was executed on May 27, 2026. This date is shown as the transaction date for the open-market buy, and the amended Form 4 confirms it as a purchase by correcting the transaction code to “P.”

At what prices did the PRIM CEO’s open-market share purchases occur?

The CEO’s shares were purchased in multiple transactions between $127.81 and $128.00 per share. The Form 4/A notes an average price of $127.9596, with a footnote stating the full breakdown by individual trade prices is available upon written request.

What does the amended Form 4/A for Primoris (PRIM) change about the reported trade?

The amended Form 4/A changes the transaction code in Column 3 to “P,” confirming the activity as a purchase. All 7,815 shares are reported as acquired through open-market transactions, clarifying the nature of the CEO’s transaction for investors and regulators.

How many Primoris (PRIM) shares does CEO Vadlamudi Koti directly hold after this transaction?

After the reported transaction, Vadlamudi Koti directly holds 7,815 shares of Primoris common stock. The total shares following the transaction match the shares bought, indicating this filing reflects his directly held ownership position as of the Form 4/A.