Company · CIK 0001361538 · SIC 1623 — Water, Sewer, Pipeline, Comm & Power Line Construction · NYSE

Primoris Services Corp · PRIM

Insider activity reported against this company. All insider holders · Files at: WGRP. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market activity at this companybuys $409k · 5sales $90.9M · 22net −$90.5M

Reported at this company — common stock

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake	Flags
Aug 3, 2016 AForm 4 →	Aug 5, 2:39 pm EDT	Stephen C. CookDirector	2,349	—	—	20,754	—	plan?
Aug 3, 2016 AForm 4 →	Aug 5, 2:39 pm EDT	Peter Cummins BrownDirector	2,349	—	—	24,554	—	plan?
Aug 3, 2016 AForm 4 →	Aug 5, 2:39 pm EDT	Brian PrattDirector, 10% Owner	2,349	—	—	10,148,447	—	plan?
Mar 10, 2016 AForm 4 →	Mar 11, 4:57 pm EST	Peter J MoerbeekExec. VP, CFO, Director	3,334	$16.75	$55,845	42,120	—	plan?
Mar 10, 2016 AForm 4 →	Mar 11, 4:56 pm EST	David Lee KingChief Executive Officer, Director	5,118	$16.75	$85,727	9,077	—	plan?
Mar 10, 2016 AForm 4 →	Mar 11, 4:56 pm EST	John M. PerisichExecutive VP & General Counsel	3,334	$16.75	$55,845	139,475	—	plan?
Feb 23, 2016 AForm 4 →	Feb 26, 4:42 pm EST	Robert A TinstmanDirector	2,090	—	—	22,205	—	plan? late
Feb 23, 2016 AForm 4 →	Feb 26, 4:42 pm EST	Brian PrattDirector, 10% Owner	2,090	—	—	10,146,098	—	plan? late
Feb 23, 2016 AForm 4 →	Feb 26, 4:41 pm EST	Stephen C. CookDirector	2,090	—	—	18,405	—	plan? late
Feb 23, 2016 AForm 4 →	Feb 26, 4:41 pm EST	Peter Cummins BrownDirector	2,090	—	—	22,205	—	plan? late
Feb 23, 2016 AForm 4 →	Feb 26, 4:40 pm EST	Thomas E. TuckerDirector	2,090	—	—	15,205	—	plan? late
Jan 15, 2016 GForm 4 →	Jan 19, 9:06 am EST	Brian PrattDirector, 10% Owner	1,000,000	—	—	10,144,008	—	plan?
Dec 28, 2015 GForm 4 →	Dec 29, 4:50 pm EST	Brian PrattChairman of the Board, Director, 10% Owner	40,000	—	—	11,144,008	—	plan?
Aug 3, 2015 AForm 4 →	Dec 11, 1:44 pm EST	Stephen C. CookDirector	2,437	—	—	16,315	—	plan? late
Aug 3, 2015 AForm 4 →	Dec 11, 1:43 pm EST	Peter Cummins BrownDirector	2,437	—	—	20,115	—	plan? late
Aug 3, 2015 AForm 4 →	Dec 11, 1:42 pm EST	Thomas E. TuckerDirector	2,437	—	—	13,115	—	plan? late
Aug 3, 2015 AForm 4 →	Dec 11, 1:41 pm EST	Robert A TinstmanDirector	2,437	—	—	20,115	—	plan? late
May 4, 2015 AForm 4 →	May 5, 6:08 pm EDT	John M. PerisichExecutive VP & General Counsel	3,217	$16.84	$54,174	136,141	—	plan?
May 4, 2015 AForm 4 →	May 5, 6:08 pm EDT	Peter J MoerbeekExec. VP, CFO, Director	3,217	$16.84	$54,174	38,786	—	plan?
May 4, 2015 AForm 4 →	May 5, 6:07 pm EDT	David Lee KingChief Operating Officer, Director	3,959	$16.84	$66,670	3,959	—	plan?
May 4, 2015 AForm 4 →	May 5, 6:06 pm EDT	Brian PrattChairman, CEO & President, Director, 10% Owner	990	$16.84	$16,672	11,184,008	—	plan?
Feb 24, 2015 AForm 4 →	Mar 27, 8:31 pm EDT	Thomas E. TuckerDirector	2,042	—	—	10,678	—	plan? late
Feb 24, 2015 AForm 4 →	Mar 27, 8:30 pm EDT	Robert A TinstmanDirector	2,042	—	—	17,678	—	plan? late
Feb 24, 2015 AForm 4 →	Mar 27, 8:28 pm EDT	Stephen C. CookDirector	2,042	—	—	13,878	—	plan? late
Feb 24, 2015 AForm 4 →	Mar 27, 8:27 pm EDT	Peter Cummins BrownDirector	2,042	—	—	17,678	—	plan? late
Dec 16, 2014 GForm 4 →	Apr 7, 2015, 3:58 pm EDT	Brian PrattChairman, CEO & President, Director, 10% Owner	8,000	—	—	11,183,018	—	plan? late

Reported at this company — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake
Sep 1, 2026 AForm 4 →	Sep 2, 6:05 pm EDT	Travis StrickerDeputy CFO	2,081	—	—	5,278	—
May 2, 2017 JForm 4 →	May 3, 5:56 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 28, 2017 JForm 4 →	May 1, 5:14 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 26, 2017 JForm 4 →	Apr 27, 5:06 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 24, 2017 JForm 4 →	Apr 25, 4:55 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 20, 2017 JForm 4 →	Apr 21, 5:01 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 18, 2017 JForm 4 →	Apr 19, 5:16 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 13, 2017 JForm 4 →	Apr 17, 5:35 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 11, 2017 JForm 4 →	Apr 12, 5:51 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 7, 2017 JForm 4 →	Apr 10, 5:04 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 5, 2017 JForm 4 →	Apr 6, 6:02 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Apr 3, 2017 JForm 4 →	Apr 4, 4:37 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 30, 2017 JForm 4 →	Mar 31, 5:53 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 28, 2017 JForm 4 →	Mar 29, 6:23 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 24, 2017 JForm 4 →	Mar 27, 6:12 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 22, 2017 JForm 4 →	Mar 23, 5:24 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 20, 2017 JForm 4 →	Mar 21, 4:56 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 16, 2017 JForm 4 →	Mar 17, 5:06 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 14, 2017 JForm 4 →	Mar 15, 4:32 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 10, 2017 JForm 4 →	Mar 13, 5:30 pm EDT	Brian PrattDirector, 10% Owner	20,000	—	—	0	—
Mar 8, 2017 JForm 4 →	Mar 10, 4:56 pm EST	Brian PrattDirector, 10% Owner	20,000	—	—	0	—

Filed by this entity as an insider elsewhere — common stock

No reported common-stock activity in this period.

Filed by this entity as an insider elsewhere — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.