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PRIM SCHEDULE 13G: SEC filing

Wellington Management Group LLP and affiliated entities

Filed with the SEC on · accession 0000902219-26-000238

PRIM filed a SCHEDULE 13G (schedule 13g) with the SEC on Aug 13, 2026. Wellington Management Group LLP and affiliated entities filed a joint filing agreement in connection with a Schedule 13G regarding their ownership of Primoris Services Corporation common stock. The stock moved -0.7% by the first close after the filing.

Summary of the filing

Wellington Management Group LLP and affiliated entities filed a joint filing agreement in connection with a Schedule 13G regarding their ownership of Primoris Services Corporation common stock. The filing is a routine administrative agreement among the Wellington entities for joint filing purposes.

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Key details

Filer / beneficial ownerWellington Management Group LLP
Filer / affiliated entityWellington Group Holdings LLP
Filer / affiliated entityWellington Investment Advisors Holdings LLP
Filer / affiliated entityWellington Management Company LLP
Issuer of common stockPrimoris Services Corporation
Compliance manager, wellington management group llpMatthew Revell

How PRIM stock reacted

Close before

$81.46

Aug 12, 2026

First close after

-0.72%

$80.87

5 trading days

-1.88%

$79.93

Since filing

-20.13%

$65.06

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Frequently asked questions

What did PRIM file with the SEC on Aug 13, 2026?

PRIM filed a SCHEDULE 13G (SEC filing). Wellington Management Group LLP and affiliated entities filed a joint filing agreement in connection with a Schedule 13G regarding their ownership of Primoris Services Corporation common stock. The filing is a routine administrative agreement among the Wellington entities for joint filing purposes.

How do I read a SCHEDULE 13G?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did PRIM stock react to this filing?

PRIM closed at $81.46 before the filing and $80.87 on Aug 13, 2026 (-0.72%). Five trading days later: $79.93 (-1.88%).

Other PRIM SEC filings

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