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sellWeak cluster of 2

Carla S Mashinski sold $281k of PRIM

director at Primoris Services Corp. 2,082 shares at an average of $135.14, traded Dec 8, 2025, filed Dec 9, 2025.

Warning score
37
Value
$281k
2,082 shares
Holdings after
21,530
-9% from before
From 52-week low
+156%
low $52.41, close $134.05
From 52-week high
-7%
high $143.81, as of Dec 8, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $281k at market
    +14
  • Share of holdings sold
    Sold 8.8% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

PRIMOct 9, 2026 · close 83.60
Since filing Dec 9, 2025: -36.4%SPY +15.2% · excess -51.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001286202-25-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 8, 2025SOpen-market sale
Common Stock
-2,082$135.14$281k21,530Dec 9, 2025

Related signals

Other insiders at Primoris Services Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
48Moderate
PRIMsell 2
Primoris Services Corp
John P. Schauerman
director
$1.1M
7,815 shares
-9%
55Moderate
PRIMsell 2
Primoris Services Corp
David Lee King
INTERIM PRESIDENT & CEO
$455k
3,500 shares
-14%
68Notable
PRIMsell 2
Primoris Services Corp
Patricia K Wagner
director
$1.7M
13,491 shares
-75%
10Weak
PRIMbuy
Primoris Services Corp
Terry D McCallister
director
$1,618
12 shares
+0%
48Moderate
PRIMsell 2
Primoris Services Corp
Jeremy Kinch
CHIEF OPERATING OFFICER
$373k
3,006 shares
-24%
43Moderate
PRIMsell 2
Primoris Services Corp
Michael E. Ching
director
$352k
2,935 shares
-24%
60Notable
PRIMsell 3
Primoris Services Corp
John P. Schauerman
director
$2.3M
20,000 shares
-20%
55Moderate
PRIMsell 3
Primoris Services Corp
John M. Perisich
CHIEF LEGAL AND ADMIN OFFICER
$1.3M
11,607 shares
-8%
58Moderate
PRIMsell 3
Primoris Services Corp
Travis Stricker
CAO
$517k
4,635 shares
-48%
75Notable
PRIMsell 3
Primoris Services Corp
John M. Perisich
CHIEF LEGAL AND ADMIN OFFICER
$1.7M
15,695 shares
-100%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Carla S Mashinski sold $281k of PRIM | InsiderTell