Primoris Services Corporation (PRIM) Insider Trading
Over the last 3 months, PRIM insiders made 1 open-market buy and 0 sales, a net purchase of $2K (SEC Form 4). Over the last 6 months, 293 institutions increased and 358 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
1
Sells (3m)
0
Net (3m)
$1.7K
Insiders buying
Insider trades by month Buys Sells
Dec
Jan
Apr
May
Jun
Jul
Context3-month price -41.5%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 31, 2026 | Rodriguez Jose Ramondirector | Grant | 356 | $37500.00 |
| Jul 31, 2026 | Ching Michael E.director | Grant | 356 | $37500.00 |
| Jul 31, 2026 | MCCALLISTER TERRY Ddirector | Grant | 356 | $37500.00 |
| Jul 31, 2026 | MASHINSKI CARLA Sdirector | Grant | 356 | $37500.00 |
| Jul 31, 2026 | Saluja Harpreetdirector | Grant | 356 | $37500.00 |
| Jul 31, 2026 | King David Leedirector | Grant | 356 | $37500.00 |
| Jul 31, 2026 | Wagner Patricia Kdirector | Grant | 356 | $37500.00 |
| Jul 17, 2026 | MCCALLISTER TERRY Ddirector | Buy | 20 | $86.66 |
| Jun 1, 2026 | Vadlamudi Kotidirector, officer: PRESIDENT & CEO | Buy | 7,815 | $127.96 |
| May 29, 2026 | Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER | Sell | 6,017 | $127.66 |
| May 29, 2026 | Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER | Sell | 5,855 | $129.85 |
| May 29, 2026 | Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER | Sell | 105 | $130.26 |
| May 29, 2026 | Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER | Sell | 2,133 | $125.75 |
| May 29, 2026 | Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER | Sell | 6,147 | $128.65 |
| May 29, 2026 | Perisich John M.officer: CHIEF LEGAL AND ADMIN OFFICER | Sell | 9,450 | $126.68 |
| May 28, 2026 | King David Leedirector | Sell | 3,750 | $120.27 |
| May 28, 2026 | King David Leedirector | Sell | 3,917 | $119.66 |
| May 28, 2026 | Vadlamudi Kotidirector, officer: PRESIDENT & CEO | Grant | 7,815 | $127.96 |
| May 28, 2026 | King David Leedirector | Sell | 12,333 | $118.55 |
| May 1, 2026 | MASHINSKI CARLA Sdirector | Grant | 268 | $37500.00 |
| May 1, 2026 | MCCALLISTER TERRY Ddirector | Grant | 268 | $37500.00 |
| May 1, 2026 | King David Leedirector | Grant | 268 | $37500.00 |
| May 1, 2026 | Saluja Harpreetdirector | Grant | 268 | $37500.00 |
| May 1, 2026 | Wagner Patricia Kdirector | Grant | 268 | $37500.00 |
| May 1, 2026 | Ching Michael E.director | Grant | 268 | $37500.00 |
| May 1, 2026 | Schauerman John P.director | Grant | 268 | $37500.00 |
| May 1, 2026 | Rodriguez Jose Ramondirector | Grant | 268 | $37500.00 |
| Apr 17, 2026 | MCCALLISTER TERRY Ddirector | Buy | 10 | $164.40 |
| Apr 2, 2026 | Kinch Jeremyofficer: CHIEF OPERATING OFFICER | Option | 244 | — |
| Apr 2, 2026 | Kinch Jeremyofficer: CHIEF OPERATING OFFICER | Tax | 97 | $143.04 |
Source: PRIM SEC Form 4 filings, latest Jul 31, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their PRIM positions over the last 6 months (SEC Form 13F).
Increased
293
New positions
220
Reduced
358
Sold out
176
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 8.3M | May 13, 2026 |
| BlackRock, Inc. | Reduced | 6.8M | Aug 7, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 4.7M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 3.7M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 3.1M | Aug 13, 2026 |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | 3.0M | May 14, 2026 |
| FIRST TRUST ADVISORS LP | Increased | 2.9M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 2.4M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.3M | May 15, 2026 |
| FIRST TRUST ADVISORS LP | Reduced | 2.2M | Aug 11, 2026 |
| STATE STREET CORP | Increased | 2.1M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 1.9M | May 15, 2026 |
| STATE STREET CORP | Reduced | 1.8M | Aug 7, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 1.5M | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.5M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.