Updated Jul 16, 2026 · Last SEC filing 2026-06-01
Primoris Services Corp (PRIM) has filed 13 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-01. 2 Form 8-K material event filings were reported by PRIM in the last 90 days. 5 Form 144 notices of proposed sale were filed for PRIM stock. InsiderAlpha tracks every PRIM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Water, Sewer, Pipeline, Comm & Power Line Construction (SIC 1623) |
|---|---|
| SEC CIK | 0001361538 |
| Form 4 filings (90d) | 13 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 5 |
| Latest Form 4 filing | 2026-06-01 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Perisich John M. | CHIEF LEGAL AND ADMIN OFFICER | S — Open-market sale | 9.4K | $126.68 | $1.20M | SEC | |
| Perisich John M. | CHIEF LEGAL AND ADMIN OFFICER | S — Open-market sale | 6.0K | $127.66 | $768K | SEC | |
| Perisich John M. | CHIEF LEGAL AND ADMIN OFFICER | S — Open-market sale | 6.1K | $128.65 | $791K | SEC | |
| Perisich John M. | CHIEF LEGAL AND ADMIN OFFICER | S — Open-market sale | 2.1K | $125.75 | $268K | SEC | |
| Perisich John M. | CHIEF LEGAL AND ADMIN OFFICER | S — Open-market sale | 105 | $130.26 | $14K | SEC | |
| Perisich John M. | CHIEF LEGAL AND ADMIN OFFICER | S — Open-market sale | 5.9K | $129.85 | $760K | SEC | |
| Vadlamudi Koti | PRESIDENT & CEO | P — Open-market purchase | 7.8K | $127.96 | $1.00M | SEC | |
| Vadlamudi Koti | PRESIDENT & CEO | A — Grant or award | 7.8K | $127.96 | $1.00M | SEC | |
| King David Lee | Insider | S — Open-market sale | 12.3K | $118.55 | $1.46M | SEC | |
| King David Lee | Insider | S — Open-market sale | 3.9K | $119.66 | $469K | SEC | |
| King David Lee | Insider | S — Open-market sale | 3.8K | $120.27 | $451K | SEC | |
| Wagner Patricia K | Insider | A — Grant or award | 268 | — | — | SEC | |
| MCCALLISTER TERRY D | Insider | A — Grant or award | 268 | — | — | SEC | |
| Schauerman John P. | Insider | A — Grant or award | 268 | — | — | SEC | |
| Rodriguez Jose Ramon | Insider | A — Grant or award | 268 | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Primoris Services Corp (PRIM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Perisich John M. | 6 | $3.80M |
| King David Lee | 4 | $2.38M |
| MCCALLISTER TERRY D | 2 | $2K |
| Vadlamudi Koti | 2 | $2.00M |
| Ching Michael E. | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in PRIM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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