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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."}],"balance_after":7815,"source":{"system":"sec-edgar","filing":"0002097133-26-000006","document":"form4a-06012026_090640.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1361538/000209713326000006/form4a-06012026_090640.xml","form_type":"4/A","original_submission_date":"2026-05-27"}},{"id":759952,"issuer":{"id":1018,"kind":"organization","name":"Primoris Services Corp","symbol":"PRIM"},"owners":[{"id":42747,"kind":"person","name":"Vadlamudi Koti","position":1,"cik":"0002097133","reported_name":"Vadlamudi Koti","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT & CEO"}}],"security":"Common Stock","published_at":"2026-05-28T21:05:07.000Z","date":"2026-05-27","kind":"grant","planned":false,"acquired":true,"shares":7815,"price":127.9596,"value":1000004.274,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."}],"balance_after":7815,"source":{"system":"sec-edgar","filing":"0002097133-26-000004","document":"form4-05282026_050503.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1361538/000209713326000004/form4-05282026_050503.xml","form_type":"4"}},{"id":865749,"issuer":{"id":1018,"kind":"organization","name":"Primoris Services Corp","symbol":"PRIM"},"owners":[{"id":42747,"kind":"person","name":"Vadlamudi Koti","position":1,"cik":"0002097133","reported_name":"Vadlamudi Koti","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT & CEO"}}],"security":"Restricted Stock Units","published_at":"2026-03-03T23:15:04.000Z","date":"2026-03-01","kind":"grant","planned":false,"acquired":true,"shares":6967,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest 25% on March 1, 2027, 25% on March 1, 2028, and 50% on March 1, 2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest 25% on March 1, 2027, 25% on March 1, 2028, and 50% on March 1, 2029."}],"balance_after":14142,"derivative":{"underlying":"Common Stock","underlying_shares":6967},"source":{"system":"sec-edgar","filing":"0002097133-26-000002","document":"form4-03032026_060301.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1361538/000209713326000002/form4-03032026_060301.xml","form_type":"4"}},{"id":992330,"issuer":{"id":1018,"kind":"organization","name":"Primoris Services Corp","symbol":"PRIM"},"owners":[{"id":42747,"kind":"person","name":"Vadlamudi Koti","position":1,"cik":"0002097133","reported_name":"Vadlamudi Koti","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT & CEO"}}],"security":"Restricted Stock Units","published_at":"2025-11-20T23:15:05.000Z","date":"2025-11-10","kind":"grant","planned":false,"acquired":true,"shares":7175,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest 1/3 on November 10, 2026, 1/3 on November 10, 2027, and 1/3 on November 10, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest 1/3 on November 10, 2026, 1/3 on November 10, 2027, and 1/3 on November 10, 2028."}],"balance_after":7175,"derivative":{"underlying":"Common Stock","underlying_shares":7175},"source":{"system":"sec-edgar","filing":"0002097133-25-000007","document":"form4-11202025_061101.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1361538/000209713325000007/form4-11202025_061101.xml","form_type":"4"}}]}