PRIM

SEC source: 0001415889-23-003863 · form4-03022023_100316.xml · derivative · entry 6

Perisich John M. · CIK 0001441444 · CHIEF LEGAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,060

Underlying: Common Stock · 6,935 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F4 · derivative.exercise_date: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F4 · derivative.expiration_date: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003863 · form4-03022023_100316.xml · nonDerivative · entry 4

Perisich John M. · CIK 0001441444 · CHIEF LEGAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Indirect · Family Trust

Disclosed balance after: 162,477

F3 · kind: Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

F2 · ownership.nature: These shares are owned directly by the Perisich Family Trust dated July 11, 2007 and indirectly by John M. Perisich, as trustee of the trust. Mr. Perisich is Chief Legal Officer of Primoris.

SEC source: 0001415889-23-003863 · form4-03022023_100316.xml · nonDerivative · entry 3

Perisich John M. · CIK 0001441444 · CHIEF LEGAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Indirect · Family Trust

Disclosed balance after: 164,876

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · price: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F2 · ownership.nature: These shares are owned directly by the Perisich Family Trust dated July 11, 2007 and indirectly by John M. Perisich, as trustee of the trust. Mr. Perisich is Chief Legal Officer of Primoris.

SEC source: 0001415889-23-003870 · form4-03022023_100312.xml · derivative · entry 7

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,946

Underlying: Common Stock · 7,666 shares

Expires not disclosed

F4 · derivative.exercise_price: 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

F5 · derivative.exercise_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

F5 · derivative.expiration_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

SEC source: 0001415889-23-003870 · form4-03022023_100312.xml · derivative · entry 6

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,280

Underlying: Common Stock · 2,652 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F3 · derivative.exercise_date: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F3 · derivative.expiration_date: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003870 · form4-03022023_100312.xml · nonDerivative · entry 4

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,658

F2 · kind: Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

SEC source: 0001415889-23-003870 · form4-03022023_100312.xml · nonDerivative · entry 3

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,323

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003866 · form4-03022023_100339.xml · derivative · entry 6

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,947

Underlying: Common Stock · 6,149 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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. On Mar. 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F3 · derivative.exercise_date: 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. On Mar. 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F3 · derivative.expiration_date: 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. On Mar. 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003866 · form4-03022023_100339.xml · nonDerivative · entry 4

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,828

F2 · kind: Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

SEC source: 0001415889-23-003866 · form4-03022023_100339.xml · nonDerivative · entry 3

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,326

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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. On Mar. 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003861 · form4-03022023_100357.xml · derivative · entry 7

Moreno John F JR · CIK 0001773121 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,904

Underlying: Common Stock · 19,819 shares

Expires not disclosed

F4 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

F5 · derivative.expiration_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

SEC source: 0001415889-23-003861 · form4-03022023_100357.xml · derivative · entry 6

Moreno John F JR · CIK 0001773121 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,085

Underlying: Common Stock · 7,376 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F3 · derivative.exercise_date: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F3 · derivative.expiration_date: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003861 · form4-03022023_100357.xml · nonDerivative · entry 4

Moreno John F JR · CIK 0001773121 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,450

F2 · kind: Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

SEC source: 0001415889-23-003861 · form4-03022023_100357.xml · nonDerivative · entry 3

Moreno John F JR · CIK 0001773121 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,247

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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. On March 1, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003861 · form4-03022023_100357.xml · nonDerivative · entry 2

Moreno John F JR · CIK 0001773121 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,871

F2 · kind: Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

SEC source: 0001415889-23-010605 · form4-07032023_070703.xml · derivative · entry 3

McCormick Thomas Edward · CIK 0001704011 · Director · CEO & PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,447

Underlying: Common Stock · 19,364 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive on share of PRIM common stock or the cash value thereof on the date of settlement, in the Company's discretion.

F4 · derivative.exercise_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

F4 · derivative.expiration_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

SEC source: 0001415889-23-010606 · form4-07032023_070705.xml · derivative · entry 3

Perisich John M. · CIK 0001441444 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,834

Underlying: Common Stock · 7,910 shares

Expires not disclosed

F4 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

F5 · derivative.expiration_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

SEC source: 0001415889-23-010604 · form4-07032023_070701.xml · derivative · entry 3

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,857

Underlying: Common Stock · 14,910 shares

Expires not disclosed

F3 · derivative.exercise_price: 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.

F4 · derivative.exercise_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

F4 · derivative.expiration_date: The restricted stock units vest 25% on March 1, 2024, 25% on March 1, 2025, and 50% on March 1, 2026.

SEC source: 0001415889-23-003872 · form4-03022023_100351.xml · derivative · entry 5

McCormick Thomas Edward · CIK 0001704011 · Director · CEO & PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,782

Underlying: Common Stock · 3,784 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.exercise_date: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.expiration_date: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003872 · form4-03022023_100351.xml · nonDerivative · entry 2

McCormick Thomas Edward · CIK 0001704011 · Director · CEO & PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,142

F2 · kind: Witholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

SEC source: 0001415889-23-003872 · form4-03022023_100351.xml · nonDerivative · entry 1

McCormick Thomas Edward · CIK 0001704011 · Director · CEO & PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,628

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003863 · form4-03022023_100316.xml · derivative · entry 5

Perisich John M. · CIK 0001441444 · CHIEF LEGAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,995

Underlying: Common Stock · 2,494 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.exercise_date: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.expiration_date: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003863 · form4-03022023_100316.xml · nonDerivative · entry 2

Perisich John M. · CIK 0001441444 · CHIEF LEGAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Indirect · Family Trust

Disclosed balance after: 157,941

F3 · kind: Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

F2 · ownership.nature: These shares are owned directly by the Perisich Family Trust dated July 11, 2007 and indirectly by John M. Perisich, as trustee of the trust. Mr. Perisich is Chief Legal Officer of Primoris.

SEC source: 0001415889-23-003863 · form4-03022023_100316.xml · nonDerivative · entry 1

Perisich John M. · CIK 0001441444 · CHIEF LEGAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Indirect · Family Trust

Disclosed balance after: 158,804

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F2 · ownership.nature: These shares are owned directly by the Perisich Family Trust dated July 11, 2007 and indirectly by John M. Perisich, as trustee of the trust. Mr. Perisich is Chief Legal Officer of Primoris.

SEC source: 0001415889-23-003870 · form4-03022023_100312.xml · derivative · entry 5

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,932

Underlying: Common Stock · 978 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.exercise_date: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.expiration_date: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003870 · form4-03022023_100312.xml · nonDerivative · entry 2

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,671

F2 · kind: Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

SEC source: 0001415889-23-003870 · form4-03022023_100312.xml · nonDerivative · entry 1

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,928

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003866 · form4-03022023_100339.xml · derivative · entry 5

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,096

Underlying: Common Stock · 2,076 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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. On Feb. 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.exercise_date: 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. On Feb. 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.expiration_date: 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. On Feb. 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003866 · form4-03022023_100339.xml · nonDerivative · entry 2

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,177

F2 · kind: Withholding of common stock to satisfy reporting person's tax obligation upon the settlement of vested restricted stock units.

SEC source: 0001415889-23-003866 · form4-03022023_100339.xml · nonDerivative · entry 1

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,683

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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. On Feb. 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003861 · form4-03022023_100357.xml · derivative · entry 5

Moreno John F JR · CIK 0001773121 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,461

Underlying: Common Stock · 1,913 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.exercise_date: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

F1 · derivative.expiration_date: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003861 · form4-03022023_100357.xml · nonDerivative · entry 1

Moreno John F JR · CIK 0001773121 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,337

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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. On February 28, 2023, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-23-003309 · form4-02252023_120206.xml · nonDerivative · entry 1

Ching Michael E. · CIK 0001924790 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,450

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during December 2022, resulting in a grant of 1,515 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-23-003308 · form4-02252023_120259.xml · nonDerivative · entry 1

King David Lee · CIK 0001620715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,354

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during December 2022, resulting in a grant of 1,515 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-23-003310 · form4-02252023_120207.xml · nonDerivative · entry 1

Cook Stephen C. · CIK 0001441075 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,962

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during December 2022, resulting in a grant of 1,515 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-23-003307 · form4-02252023_120253.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 313,916

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during December 2022, resulting in a grant of 1,515 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

F2 · ownership.nature: Shares of Common Stock held by John P. Schauerman & Claudia H. Schauerman TR UA 08/12/10 Schauerman Family Trust.

SEC source: 0001415889-23-003311 · form4-02252023_120229.xml · nonDerivative · entry 1

MASHINSKI CARLA S · CIK 0001286202 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,174

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during December 2022, resulting in a grant of 1,515 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-23-003313 · form4-02252023_120207.xml · nonDerivative · entry 1

MCCALLISTER TERRY D · CIK 0001216725 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,208

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during December 2022, resulting in a grant of 1,515 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-23-003314 · form4-02252023_120206.xml · nonDerivative · entry 1

Wagner Patricia K · CIK 0001663507 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,208

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during December 2022, resulting in a grant of 1,515 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-23-003312 · form4-02252023_120221.xml · nonDerivative · entry 1

Rodriguez Jose Ramon · CIK 0001859182 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,802

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during December 2022, resulting in a grant of 1,515 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001358632-26-000004 · form4-03032026_060301.xml · derivative · entry 1

Stricker Travis · CIK 0001358632 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,025

Underlying: Common Stock · 5,000 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · date: This transaction is being filed late due to an administrative error and not any error of the reporting person.

F3 · derivative.exercise_date: The restricted stock units vest 25% on January 30, 2024, 25% on January 30, 2025, and 50% on January 30, 2026.

F3 · derivative.expiration_date: The restricted stock units vest 25% on January 30, 2024, 25% on January 30, 2025, and 50% on January 30, 2026.

SEC source: 0001415889-23-000991 · form5-01132023_100147.xml · nonDerivative · entry 1

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,950

F1 · price: Personal gift.

SEC source: 0001415889-22-012333 · form4-12092022_051201.xml · nonDerivative · entry 1

Cook Stephen C. · CIK 0001441075 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,447

F1 · price: These shares were sold in multiple transactions at prices ranging from $20.75 to $20.77 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.

SEC source: 0001415889-22-011367 · form4-11142022_051101.xml · nonDerivative · entry 1

Moreno John F JR · CIK 0001773121 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,424

F1 · price: These shares were sold in multiple transactions at prices ranging from $22.31 to $22.37 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.

SEC source: 0001415889-22-011117 · form4-11072022_041127.xml · nonDerivative · entry 1

Ching Michael E. · CIK 0001924790 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,935

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during September 2022, resulting in a grant of 1,724 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-22-011115 · form4-11072022_041115.xml · nonDerivative · entry 1

King David Lee · CIK 0001620715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,839

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during September 2022, resulting in a grant of 1,724 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-22-011120 · form4-11072022_041159.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 312,401

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during September 2022, resulting in a grant of 1,724 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-22-011116 · form4-11072022_041121.xml · nonDerivative · entry 1

Cook Stephen C. · CIK 0001441075 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,420

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during September 2022, resulting in a grant of 1,724 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-22-011132 · form4-11072022_101123.xml · nonDerivative · entry 1

MASHINSKI CARLA S · CIK 0001286202 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,659

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during September 2022, resulting in a grant of 1,724 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-22-011118 · form4-11072022_041142.xml · nonDerivative · entry 1

MCCALLISTER TERRY D · CIK 0001216725 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,693

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated August 2022, provides for the issuance of restricted stock with a value of $32,500. The price per share was based on the average closing price during September 2022, resulting in a grant of 1,734 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.