Sec Form 4 Filing - McCormick Thomas Edward @ Primoris Services Corp - 2020-03-17

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person McCormick Thomas Edward 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) CEO & President (Last) (First) (Middle) C/O PRIMORIS SERVICES CORPORATION, 2300 NORTH FIELD STREET, SUITE 1900 3. Date of Earliest Transaction (MM/DD/YY) 03/17/2020 (Street) DALLAS, TX75201 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 03/17/2020 S( 3 ) 2,150 D $ 11.49 68,128 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Restricted Stock Units ( 1 ) ( 2 ) ( 2 ) Common Stock 11,349 11,349 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other McCormick Thomas Edward C/O PRIMORIS SERVICES CORPORATION 2300 NORTH FIELD STREET, SUITE 1900 DALLAS, TX75201 X CEO & President Signatures /s/ Kenneth M. Dodgen, by power of attorney 04/08/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit represents a contingent right to receive one share of PRIM common stock or the cash value thereof on the date of settlement, in the Company's discretion. ( 2 )The restricted stock units vest ratably over three years from the date of grant. ( 3 )On March 13, 2020, the reporting person acquired 2,150 shares of PRIM Common Stock, as reported on a Form 4 filed on March 16, 2020. That transaction was matchable under Section 16(b) of the Securities Exchange Act of 1934 with the reporting person's sale of PRIM Common Stock on December 17, 2019. The reporting person's broker reversed the March 13, 2020 transaction by the sale reported herein, and the reporting person has paid to PRIM $24,904.84, representing the full amount of the profit realized in connection with the short-swing transaction (as calculated under Section 16 standards). The average sale price for the December 17, 2019 transaction was erroneously reported in the reporting person's January 3, 2020 Form 4 as $23.13 per share due to a broker reporting error; it was $23.09 per share, with multiple transactions at prices ranging from $23.0676 to $23.1001 per share, inclusive.

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).

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