PRIM
Primoris Services Corp · Construction · Market cap $3.6B
Insiders bought $2K net in the last 90 days ·0 sellers, 1 buyer· latest Form 4 filed Oct 16, 2026
Insider Buying
$1.0M
reported purchases (SEC code P)
Insider Selling
$9.7M
reported sales (SEC code S)
Unique Insiders
7
in the rolling window
Latest filing
Oct 16, 2026
MCCALLISTER TERRY D
Primoris Services Corp (PRIM) has 51 SEC Form 4 filings (72 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Oct 16, 2026.
Inside the rolling window, 7 insiders at Primoris Services Corp reported 5 open-market purchases totaling $1.0M and 6 open-market sales totaling $9.7M. The most active filer is Director MCCALLISTER TERRY D with 4 filings. Insiders have net sold $5.2M over the trailing 6 months. The largest single insider purchase in this window was $1.0M by PRESIDENT & CEO Vadlamudi Koti on May 27, 2026. The most recent open-market filing is a purchase of 21.505 shares by Director MCCALLISTER TERRY D, dated Oct 15, 2026, worth $2K.
- Industry:Engineering & Construction
- CEO:Koti Vadlamudi
- Employees:18,526
- HQ:Dallas, TX, US
- IPO:2008-08-06
| Source | |||||||
|---|---|---|---|---|---|---|---|
MCCALLISTER TERRY DFirst in 3 months | Director | Purchase | 21.505 | $2K | Oct 16 | -8.6% | SEC ↗ |
MCCALLISTER TERRY DFirst in 3 months | Director | Purchase | 19.501 | $2K | Jul 17 | -22.1% | SEC ↗ |
Vadlamudi KotiFirst filing | PRESIDENT & CEO | Purchase | 7,815 | $1.0M | Jun 1 | -44.9% | SEC ↗ |
Perisich John M.First filing | CHIEF LEGAL AND ADMIN OFFICER | Sale | 29,707 | $3.8M | May 30 | -44.9% | SEC ↗ |
King David LeeFirst in 7 months | Director | Sale | 20,000 | $2.4M | May 28 | -47.1% | SEC ↗ |
MCCALLISTER TERRY DFirst in 3 months | Director | Purchase | 10.144 | $2K | Apr 17 | — | SEC ↗ |
MCCALLISTER TERRY DFirst filing | Director | Purchase | 11.908 | $2K | Jan 16 | — | SEC ↗ |
Schauerman John P.First filing | Director | Sale | 7,815 | $1.1M | Dec 15 | — | SEC ↗ |
MASHINSKI CARLA SFirst filing | Director | Sale | 2,082 | $281K | Dec 9 | — | SEC ↗ |
Wagner Patricia KFirst filing | Director | Sale | 13,491 | $1.7M | Nov 12 | — | SEC ↗ |
King David LeeFirst filing | INTERIM PRESIDENT & CEO | Sale | 3,500 | $455K | Nov 12 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading PRIM 16 all-time
- DRep. Gilbert CisnerosSale$1,001 - $15,0002026-05-08
- DRep. Gilbert Ray CisnerosSale$1,001 - $15,0002026-05-08
- DRep. Gilbert Ray CisnerosSale$1,001 - $15,0002026-02-18
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002025-12-11
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002025-11-24
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002025-11-06
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does PRIM have?
Primoris Services Corp (PRIM) has 51 SEC Form 4 filings (72 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Oct 16, 2026.
When was the most recent SEC Form 4 filing for PRIM?
The most recent Form 4 filing for PRIM on Tracefour is dated Oct 16, 2026.
Who is the most active insider at PRIM?
The most active SEC Form 4 filer at PRIM in the rolling window is Director MCCALLISTER TERRY D, with 4 filings.
What is the net insider flow at PRIM over the last 6 months?
Over the trailing 180 days, insiders at PRIM have net sold $5.2M based on SEC Form 4 disclosures.
What was the largest insider purchase at PRIM?
The largest single insider open-market purchase at PRIM in the rolling window was $1.0M by PRESIDENT & CEO Vadlamudi Koti on 2026-05-27.
What is the total insider buy and sell value at PRIM in the current window?
Inside the rolling window, insiders at PRIM bought $1.0M and sold $9.7M based on SEC Form 4 filings.
Can I get alerts for PRIM insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Primoris Services Corp (PRIM). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Primoris Services Corp is in the Construction sector.