Skip to content
Insider tapeFilings through Fri, Oct 9
Watchlist
PRIM

Primoris Services (PRIM) stock: insider trades, news & valuation

Net selling
Close · Oct 9, 2026 $83.60 +1.1% on the day -39.0% over 12 months 52-week range $71.04 – $202.53

Share price and insider trades

PRIM closeInsider buyInsider sale
50100150200250NovDecJan 2026FebMarAprMayJunJulAugSepOctBought $1,618 on 2025-10-15 · Terry D MccallisterBought $1,644 on 2026-01-15 · Terry D MccallisterBought $1,667 on 2026-04-15 · Terry D MccallisterBought $1,690 on 2026-07-15 · Terry D MccallisterSold $281,361 on 2025-12-08 · Carla S MashinskiSold $455,000 on 2025-11-10 · David Lee KingBought $1,000,007 on 2026-05-27 · Koti VadlamudiSold $1,062,840 on 2025-12-11 · John P. SchauermanSold $1,689,478 on 2025-11-07 · Patricia K WagnerSold $2,381,798 on 2026-05-26 · David Lee KingSold $3,798,242 on 2026-05-28 · John M. Perisich
Bought, 12 months$1.0M
Sold, 12 months$9.7M
Insiders buying1
Insiders selling5

Primoris Services insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $1.0M and 5 sold $9.7M of PRIM stock on the open market.

PRIM insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $2K bought (1 trades)$2KQ4 2025: $3.5M sold (4 trades)Q4 2025Q1 2026: $2K bought (1 trades)$2KQ1 2026Q2 2026: $1.0M bought (2 trades)$1.0MQ2 2026: $6.2M sold (9 trades)Q2 2026Q3 2026: $2K bought (1 trades)$2KQ3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026$2K1—0
Q2 2026$1.0M2$6.2M9
Q1 2026$2K1—0
Q4 2025$2K1$3.5M4

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.2×Last 5 sessions
Insiders' paper profit−$349KOn all tracked purchases -34.7%

Summary

Over the past 12 months, 1 Primoris Services Corp insider reported open-market purchases totaling $1.0M, while 5 insiders reported sales totaling $9.7M. 0 of 13 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Jul 17SEC Terry D MccallisterDirector Buy 2021,144 held (+0%) $86.66 $2K -3.5% —
Jun 1SEC Koti VadlamudiCEO, President Buy 7,815new position $127.96 $1.0M -34.7% —
May 29SEC John M. PerisichGeneral Counsel Sell 9,45018,124 held (−34%) $126.68 $1.2M -34.0% —
May 29SEC John M. PerisichGeneral Counsel Sell 6,1475,960 held (−51%) $128.65 $791K -35.0% —
May 29SEC John M. PerisichGeneral Counsel Sell 6,01712,107 held (−33%) $127.66 $768K -34.5% —
May 29SEC John M. PerisichGeneral Counsel Sell 5,855105 held (−98%) $129.85 $760K -35.6% —
May 29SEC John M. PerisichGeneral Counsel Sell 2,13327,574 held (−7%) $125.75 $268K -33.5% —
May 29SEC John M. PerisichGeneral Counsel Sell 105 $130.26 $14K -35.8% —
May 28SEC David Lee KingDirector Sell 12,33322,608 held (−35%) $118.55 $1.5M -29.5% —
May 28SEC David Lee KingDirector Sell 3,91718,691 held (−17%) $119.66 $469K -30.1% —
May 28SEC David Lee KingDirector Sell 3,75014,941 held (−20%) $120.27 $451K -30.5% —
Apr 17SEC Terry D MccallisterDirector Buy 1020,857 held (+0%) $164.40 $2K -49.1% —
Jan 16SEC Terry D MccallisterDirector Buy 1220,552 held (+0%) $138.00 $2K -39.4% —
Dec 15SEC John P. SchauermanDirector Sell 7,81574,466 held (−9%) $136.00 $1.1M -38.5% —
Dec 9SEC Carla S MashinskiDirector Sell 2,08221,530 held (−9%) $135.14 $281K -38.1% —
Nov 12SEC Patricia K WagnerDirector Sell 13,4914,495 held (−75%) $125.23 $1.7M -33.2% —
Nov 12SEC David Lee KingCEO, President Sell 3,50021,302 held (−14%) $130.00 $455K -35.7% —
Oct 17SEC Terry D MccallisterDirector Buy 1220,238 held (+0%) $140.69 $2K -40.6% —

Insiders at Primoris Services Corp

InsiderBoughtSoldLast filingScore
John M. PerisichGeneral Counsel — $3.8M May 29, 2026 —
Koti VadlamudiCEO, President $1.0M — Jun 1, 2026 —
David Lee KingDirector — $2.8M May 28, 2026 —
Patricia K WagnerDirector — $1.7M Nov 12, 2025 —
John P. SchauermanDirector — $1.1M Dec 15, 2025 —
Carla S MashinskiDirector — $281K Dec 9, 2025 —
Terry D MccallisterDirector $7K — Jul 17, 2026 —

PRIM stock: common questions

Are Primoris Services Corp insiders buying PRIM stock?

In the past 12 months, 1 insiders reported open-market purchases of PRIM worth $1.0M. The latest was Director Terry D Mccallister bought $2K of PRIM at $86.66.

Are Primoris Services Corp insiders selling PRIM stock?

5 insiders reported sales worth $9.7M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is PRIM's 52-week range?

Over the past year PRIM has traded between $71.04 and $202.53. It last closed at $83.60 on Oct 9, 2026.