PRIM Primoris Services Corporation

NYSE
$74.17

Primoris Services Corporation (PRIM) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with PRIM's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 1 buyer in the last 90 days 0 sellers in the last 90 days
Insiders buying
2
5 transactions
Insiders selling
6
14 transactions
Purchases
$1.0M
7,868 shares
Sales
$10.0M
79,601 shares
Net activity
-$9.0M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $10.0M 14 transactions · 79,601 shares

Largest single sale: $1.7M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: July 15, 2026 , by MCCALLISTER TERRY D .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
MCCALLISTER TERRY D Director Buy 20 $86.66 $1.7K 21,144
Perisich John M. 6 fills CHIEF LEGAL AND ADMIN OFFICER Sell 29,707 $127.86 $3.8M 27,574 −51.9% of holding
Vadlamudi Koti PRESIDENT & CEO Buy 7,815 $127.96 $1.0M 7,815
King David Lee 3 fills Director Sell 20,000 $119.09 $2.4M 22,608 −46.9% of holding
MCCALLISTER TERRY D Director Buy 10 $164.40 $1.7K 20,857
MCCALLISTER TERRY D Director Buy 12 $137.99 $1.6K 20,552
Schauerman John P. Director Sell 7,815 $136.00 $1.1M 74,466 −9.5% of holding
MASHINSKI CARLA S Director Sell 2,082 $135.14 $281.4K 21,530 −8.8% of holding
King David Lee INTERIM PRESIDENT & CEO Sell 3,500 $130.00 $455.0K 21,302 −14.1% of holding
Wagner Patricia K Director Sell 13,491 $125.23 $1.7M 4,495 −75% of holding
MCCALLISTER TERRY D Director Buy 12 $140.69 $1.6K 20,239
Kinch Jeremy CHIEF OPERATING OFFICER Sell 3,006 $124.00 $372.7K 9,580 −23.9% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.