🕵️ Primoris Services Corp ($PRIM)
SEC insider & ownership activity, last 12 months · CIK 1361538 · every row links its SEC filing
Over the last 12 months insiders sold $9.7M against $1.0M of open-market buying. John M. Perisich sold $3.8M (May). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $1.0M (5 lots) · 5 sellers, $9.7M (13 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| John M. Perisich | 0 | – | 6 | $3.8M | May 28, 2026 |
| King David Lee | 0 | – | 4 | $2.8M | May 26, 2026 |
| Patricia K. Wagner | 0 | – | 1 | $1.7M | Nov 7, 2025 |
| John P. Schauerman | 0 | – | 1 | $1.1M | Dec 11, 2025 |
| Vadlamudi Koti | 1 | $1.0M | 0 | – | May 27, 2026 |
| Carla S. Mashinski | 0 | – | 1 | $281K | Dec 8, 2025 |
| Terry D. McCallister | 4 | $7K | 0 | – | Jul 15, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11.7% | 13G | Jul 29, 2026 | filing ↗ | |
| Wellington Management Group LLP | 8.6% | 13G | Aug 13, 2026 | filing ↗ | |
| Wellington Group Holdings LLP | 8.6% | 13G | Aug 13, 2026 | filing ↗ | |
| Wellington Investment Advisors Holdings LLP | 8.6% | 13G | Aug 13, 2026 | filing ↗ | |
| Wellington Management Company LLP | 7.9% | 13G | Aug 13, 2026 | filing ↗ | |
| First Trust Portfolios L.P. | 6.3% | 13G | Apr 27, 2026 | filing ↗ | |
| First Trust Advisors L.P. | 6.3% | 13G | Apr 27, 2026 | filing ↗ | |
| The Charger Corporation | 6.3% | 13G | Apr 27, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.8% | 13G | Jul 31, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.0% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Vorderbruggen Anthony | $263K | Jun 3, 2026 | filing ↗ |
| Vorderbruggen Anthony | $830K | May 29, 2026 | filing ↗ |
| John M. Perisich | $3.8M | May 28, 2026 | filing ↗ |
| King David Lee | $2.4M | May 26, 2026 | filing ↗ |
| Vorderbruggen Anthony | $97K | May 7, 2026 | filing ↗ |
| John P. Schauerman | $1.1M | Dec 11, 2025 | filing ↗ |
| Carla S. Mashinski | $281K | Dec 8, 2025 | filing ↗ |
| King David Lee | $455K | Nov 10, 2025 | filing ↗ |
| Patricia K. Wagner | $1.7M | Nov 7, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Aug 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 25, 2026 | filing ↗ |
| Earnings (2.02) | Jul 31, 2026 | filing ↗ |
| Other events (8.01) | Jul 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2026 | filing ↗ |
| Earnings (2.02) | Jul 31, 2026 | filing ↗ |
| Other events (8.01) | Jul 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2026 | filing ↗ |
| Earnings (2.02) | Jul 31, 2026 | filing ↗ |
| Other events (8.01) | Jul 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2026 | filing ↗ |
| Earnings (2.02) | Jun 22, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 22, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 22, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 30, 2026 | filing ↗ |
| Shareholder vote (5.07) | Apr 30, 2026 | filing ↗ |
| Other events (8.01) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 12, 2026 | filing ↗ |
| Earnings (2.02) | Feb 17, 2026 | filing ↗ |
| Other events (8.01) | Feb 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 17, 2026 | filing ↗ |
| Earnings (2.02) | Oct 29, 2025 | filing ↗ |
| Other events (8.01) | Oct 29, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 29, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 6, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 6, 2025 | filing ↗ |