Dimensional Fund Advisors LP's Ownership in Primoris Services Corp

Dimensional Fund Advisors LP, a Delaware Limited Partnership, filed a Schedule 13G/A amendment reporting its ownership in Primoris Services Corp. As of the event date, Dimensional Fund Advisors LP beneficially owns 1,501,410 shares of Primoris Services Corp's common stock, representing 2.8% of the class. The shares are held by various funds managed by Dimensional Fund Advisors LP, which disclaims beneficial ownership of these securities. The filing indicates that the shares were acquired and are held in the ordinary course of business, not for the purpose of influencing the control of the issuer. The amendment was signed by Selwyn Notelovitz, Global Chief Compliance Officer, on October 9, 2025.