PRIM

SEC source: 0001415889-25-005203 · form4-02222025_120232.xml · nonDerivative · entry 1

Wagner Patricia K · CIK 0001663507 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,774

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during December 2024, resulting in a grant of 467 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-25-005193 · form4-02222025_120209.xml · nonDerivative · entry 1

Rodriguez Jose Ramon · CIK 0001859182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,733

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during December 2024, resulting in a grant of 467 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-25-002543 · form4-01312025_060104.xml · derivative · entry 3

STRICKER TRAVIS L · CIK 0001358632 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,511

Underlying: Common Stock · 1,250 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 scommon stock or the cash value thereof on the date of settlement, in the Company's discretion. On January 30, 2025, 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 scommon stock or the cash value thereof on the date of settlement, in the Company's discretion. On January 30, 2025, 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 scommon stock or the cash value thereof on the date of settlement, in the Company's discretion. On January 30, 2025, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-25-002543 · form4-01312025_060104.xml · nonDerivative · entry 2

STRICKER TRAVIS L · CIK 0001358632 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,697

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

SEC source: 0001415889-25-002543 · form4-01312025_060104.xml · nonDerivative · entry 1

STRICKER TRAVIS L · CIK 0001358632 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,256

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 scommon stock or the cash value thereof on the date of settlement, in the Company's discretion. On January 30, 2025, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-25-002540 · form4-01312025_060101.xml · nonDerivative · entry 1

Wagner Patricia K · CIK 0001663507 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,307

F1 · ownership.direct: On January 29, 2025, the reporting person transferred 3,365 shares of PRIM common stock to the Wagner Family Trust dated March 24, 2008 for no consideration. The reporting person is trustee of the trust, and the reporting person and members of her immediate family are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.

SEC source: 0001415889-24-029361 · form4-12132024_061201.xml · nonDerivative · entry 1

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,006

F1 · price: These shares were sold in multiple transactions at prices ranging from $80.44 to $80.72 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: 0001415889-24-028426 · form4-12052024_061201.xml · nonDerivative · entry 1

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,589

F1 · kind: The reported transaction represents a gift/charitable donation of securities totaling 200 shares of the issuer's common stock.

SEC source: 0001415889-24-028317 · form4-12042024_061201.xml · nonDerivative · entry 1

King David Lee · CIK 0001620715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,818

F1 · price: These shares were sold in multiple transactions at prices ranging from $83.78 to $84.15 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: 0001415889-24-026991 · form4-11152024_061102.xml · nonDerivative · entry 1

Cook Stephen C. · CIK 0001441075 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,908

F1 · price: These shares were sold in multiple transactions at prices ranging from $78.39 to $78.69 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: 0001415889-24-026992 · form4-11152024_061104.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,390

F1 · price: These shares were sold in multiple transactions at prices ranging from $81.14 to $81.36 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: 0001415889-24-026468 · form4-11082024_061102.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 117,281

F1 · price: These shares were sold in multiple transactions at prices ranging from $79.75 to $80.02 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.

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: 0001415889-24-026381 · form4-11072024_071102.xml · nonDerivative · entry 1

King David Lee · CIK 0001620715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,818

F1 · price: These shares were sold in multiple transactions at prices ranging from $74.69 to $76.42 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: 0001415889-24-025923 · form4-11012024_061103.xml · nonDerivative · entry 1

Ching Michael E. · CIK 0001924790 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,914

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2024, resulting in a grant of 686 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-025928 · form4-11012024_061113.xml · nonDerivative · entry 1

King David Lee · CIK 0001620715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,818

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2024, resulting in a grant of 686 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-025926 · form4-11012024_061109.xml · nonDerivative · entry 1

Cook Stephen C. · CIK 0001441075 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,926

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2024, resulting in a grant of 686 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-025929 · form4-11012024_061115.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,099

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2024, resulting in a grant of 686 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-025922 · form4-11012024_061101.xml · nonDerivative · entry 1

MASHINSKI CARLA S · CIK 0001286202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,755

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2024, resulting in a grant of 686 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-025924 · form4-11012024_061105.xml · nonDerivative · entry 1

MCCALLISTER TERRY D · CIK 0001216725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,672

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2024, resulting in a grant of 686 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-025927 · form4-11012024_061111.xml · nonDerivative · entry 1

Wagner Patricia K · CIK 0001663507 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,672

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2024, resulting in a grant of 686 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-025925 · form4-11012024_061107.xml · nonDerivative · entry 1

Rodriguez Jose Ramon · CIK 0001859182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,266

F1 · price: The non-employee director compensation program adopted by the Board in May 2011 and updated July 2024, provides for the issuance of restricted stock with a value of $37,500. The price per share was based on the average closing price during September 2024, resulting in a grant of 686 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-023805 · form4-09202024_070901.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 137,281

F1 · price: These shares were sold in multiple transactions at prices ranging from $59.25 to $59.32 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.

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: 0001415889-24-023464 · form4-09162024_070901.xml · nonDerivative · entry 1

King David Lee · CIK 0001620715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,132

F1 · price: These shares were sold in multiple transactions at prices ranging from $55.35 to $55.40 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: 0001415889-24-023465 · form4-09162024_070904.xml · nonDerivative · entry 1

Perisich John M. · CIK 0001441444 · CHIEF LEGAL AND ADMIN OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: These shares were sold in multiple transactions at prices ranging from $55.08 to $55.49 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: 0001415889-24-023395 · form4-09132024_060901.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 162,281

F1 · price: These shares were sold in multiple transactions at prices ranging from $54.00 to $54.15 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.

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: 0001415889-24-020661 · form4-08022024_060817.xml · nonDerivative · entry 1

Ching Michael E. · CIK 0001924790 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,228

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 June 2024, resulting in a grant of 615 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-020655 · form4-08022024_060803.xml · nonDerivative · entry 1

King David Lee · CIK 0001620715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,132

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 June 2024, resulting in a grant of 615 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-020660 · form4-08022024_060815.xml · nonDerivative · entry 1

Cook Stephen C. · CIK 0001441075 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,240

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 June 2024, resulting in a grant of 615 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-020658 · form4-08022024_060811.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,413

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 June 2024, resulting in a grant of 615 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-020656 · form4-08022024_060805.xml · nonDerivative · entry 1

MCCALLISTER TERRY D · CIK 0001216725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,986

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 June 2024, resulting in a grant of 615 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-020659 · form4-08022024_060813.xml · nonDerivative · entry 1

Wagner Patricia K · CIK 0001663507 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,986

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 June 2024, resulting in a grant of 615 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-020657 · form4-08022024_060808.xml · nonDerivative · entry 1

Rodriguez Jose Ramon · CIK 0001859182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,580

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 June 2024, resulting in a grant of 615 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-020788 · form4-08052024_070802.xml · nonDerivative · entry 1

MASHINSKI CARLA S · CIK 0001286202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,069

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 June 2024, resulting in a grant of 615 shares of stock. The shares of stock cannot be sold for a period of twelve months from the date of grant.

SEC source: 0001415889-24-019034 · form4-07022024_100704.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,520

Underlying: Common Stock · 25,441 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 June 29, 2024, 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 June 29, 2024, 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 June 29, 2024, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-24-019034 · form4-07022024_100704.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,390

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

SEC source: 0001415889-24-019034 · form4-07022024_100704.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,402

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 June 29, 2024, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-24-019027 · form4-07022024_100753.xml · derivative · entry 4

Perisich John M. · CIK 0001441444 · CHIEF LEGAL AND ADMIN OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,724

Underlying: Common Stock · 8,904 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 June 29, 2024, 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 June 29, 2024, 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 June 29, 2024, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-24-019027 · form4-07022024_100753.xml · nonDerivative · entry 2

Perisich John M. · CIK 0001441444 · CHIEF LEGAL AND ADMIN OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,391

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

SEC source: 0001415889-24-019027 · form4-07022024_100753.xml · nonDerivative · entry 1

Perisich John M. · CIK 0001441444 · CHIEF LEGAL AND ADMIN OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,904

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 June 29, 2024, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-24-019030 · form4-07022024_100702.xml · derivative · entry 3

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,761

Underlying: Common Stock · 2,544 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 June 29, 2024, 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 June 29, 2024, 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 June 29, 2024, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-24-019030 · form4-07022024_100702.xml · nonDerivative · entry 2

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,789

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

SEC source: 0001415889-24-019030 · form4-07022024_100702.xml · nonDerivative · entry 1

STRICKER TRAVIS L · CIK 0001358632 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,612

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 June 29, 2024, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-24-019032 · form4-07022024_100703.xml · derivative · entry 3

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,879

Underlying: Common Stock · 8,904 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 June 29, 2024, 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 June 29, 2024, 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 June 29, 2024, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-24-019032 · form4-07022024_100703.xml · nonDerivative · entry 2

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,058

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

SEC source: 0001415889-24-019032 · form4-07022024_100703.xml · nonDerivative · entry 1

Dodgen Kenneth Morris · CIK 0001707945 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,562

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 June 29, 2024, the restricted stock units vested and were settled for an equal number of shares of PRIM common stock.

SEC source: 0001415889-24-017251 · form4-06172024_060602.xml · nonDerivative · entry 1

King David Lee · CIK 0001620715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,517

SEC source: 0001415889-24-017017 · form4-06142024_060602.xml · nonDerivative · entry 1

MASHINSKI CARLA S · CIK 0001286202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,454

SEC source: 0001415889-24-014396 · form4-05232024_110544.xml · nonDerivative · entry 2

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 187,281

F3 · price: These shares were sold in multiple transactions at prices ranging from $53.20 to $53.23 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.

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: 0001415889-24-014396 · form4-05232024_110544.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 192,281

F1 · price: These shares were sold in multiple transactions at prices ranging from $52.90 to $53.02 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.

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: 0001415889-24-014030 · form4-05212024_080502.xml · nonDerivative · entry 1

Schauerman John P. · CIK 0001440820 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 202,281

F1 · price: These shares were sold in multiple transactions at prices ranging from $51.90 to $52.14 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.

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