LYTIR

Company · PRIM

Primoris Services Corporation

Name as listed on its exchange; filed with the SEC as Primoris Services Corp.

Nasdaq's symbol directory lists PRIM on the New York Stock Exchange as “Primoris Services Corporation Common Stock”.

In the 12 months to Nov 8, 2026: insiders bought on 2 occasions ($3K); 4 filings by holders of 5% or more; 4 congressional trade disclosures; 1 company report (Form 8-K, since May 26, 2026).

All insider filings at the SEC

Insider purchases and sales, by month (last 12 months)Insider purchases: $3K in total; Insider sales: $0 in total.Jul: Insider purchases $2KOct: Insider purchases $2KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $3KInsider sales below: $0
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. MCCALLISTER TERRY D bought on 2 days latest Oct 15, 2026 bought $3K
Every trade (2)
  1. BUYMCCALLISTER TERRY D bought Oct 15, 2026 21 shares filing $2K
  2. BUYMCCALLISTER TERRY D bought Jul 15, 2026 19 shares filing $2K

Large holders · SEC Schedules 13D and 13G

Five percent and over

Anyone who comes to hold more than 5% of a company's voting shares must tell the SEC. A Schedule 13D is filed by a holder who may seek to influence the company; a 13G by one who states it is a passive investor. An amendment updates an earlier filing, and a stake reported as 0% means the holder says it has sold all, or nearly all, of its shares. Every recent 13D and 13G

  1. FULLER & THALER ASSET MANAGEMENT, INC. filed Aug 14, 2026 Schedule 13G/A passive 1,912 shares filing 0%
  2. Wellington Management Group LLP filed Aug 13, 2026 Schedule 13G passive filing 8.62%
  3. VANGUARD PORTFOLIO MANAGEMENT LLC filed Jul 31, 2026 Schedule 13G/A passive 3,129,788 shares filing 5.76%
  4. BlackRock, Inc. filed Jul 29, 2026 Schedule 13G/A passive 6,373,793 shares filing 11.7%

Congress · STOCK Act

The Althing

Periodic transaction reports. Amounts are the ranges members report; the trade date is when it happened, the report can come up to 45 days later.

  1. Gilbert Cisneros (D-CA31): Sale May 8, 2026 reported Jun 8, 2026 one of 103 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  2. Gilbert Cisneros (D-CA31): Purchase Mar 3, 2026 reported Apr 7, 2026 one of 141 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  3. Gilbert Cisneros (D-CA31): Sale Feb 18, 2026 reported Mar 9, 2026 one of 85 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  4. Gilbert Cisneros (D-CA31): Sale Dec 11, 2025 reported Jan 12, 2026 one of 121 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Results of operations and financial condition; Other events filing Nov 3, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.