Insider Cluster (3 insiders) ·Filed Jun 1, 2026

PRIM

Primoris Services Corp
BULLISH
Impact 5/10
Horizonweeks Processed4mo ago
Insider cluster: 2 insiders, $2.5M total
Actionable Insight ▲ Bullish

The CEO's $1.0M open-market purchase at a price above the director's sale price suggests conviction in the company's near-term prospects. Monitor for any upcoming earnings release or material contract announcement that could have prompted the buy. The director sale at a lower price may reflect portfolio rebalancing rather than a bearish view.

DirectionBullish
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d
PRIM ▼ -37.11% at T+60d
LONG call ✗ call lost -37.11% · α vs SPY -38.23% · entry $124.31 → $78.18
Entry anchored
Jun 1, 2026
via day open
T+1d
+1.62%
call +1.62% · α +2.34%
$126.32
settled 4mo ago
T+5d
-16.42%
call -16.42% · α -13.45%
$103.90
settled 4mo ago
T+20d
-25.24%
call -25.24% · α -23.67%
$92.94
settled 3mo ago
T+60d
-37.11%
call -37.11% · α -38.23%
$78.18
settled 5w ago

Price Chart

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Executive Summary

Primoris CEO Koti Vadlamudi made a $1.0M open-market purchase at $127.96 on May 27, while Director David Lee sold $1.46M at $118.55 the prior day and the Chief Legal Officer sold $268K at $125.75 on May 28. The CEO's buy is a strong bullish signal from the top executive, partially offset by the director and officer sales. The cluster is mixed in net direction but the CEO's purchase carries disproportionate weight per the insider-buy literature.

Key Financial Metrics

Direction
mixed
Total Value
$2.5M
Insiders
3

Key Facts

  • CEO Koti Vadlamudi purchased 7,815 shares for $1.0M at $127.96 on May 27
  • Director David Lee sold 12,333 shares for $1.46M at $118.55 on May 26
  • Chief Legal Officer John Perisich sold 2,133 shares for $268K at $125.75 on May 28
  • Total cluster value: $2.46M, representing ~0.036% of $6.8B market cap
  • CEO purchase is the only open-market buy in the cluster; all other trades are sells

Financial Impact

CEO purchase of $1.0M is 0.015% of market cap; total cluster is 0.036% of market cap

insider ownershipmarket sentiment

Risk Factors

  • Director and officer sales partially offset the bullish signal from the CEO's purchase
  • Cluster dollar value is very small relative to market cap (0.036%), limiting materiality
  • No cross-filing context (earnings, M&A, or late filing) to corroborate the insider activity

Market Snapshot

Exchange
NYSE
Sector
Water, Sewer, Pipeline, Comm & Power Line Construction
Analyst Consensus
71% bullish (21 analysts)

Investment Themes

Materials & Mining

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-PRIM-1780347789934
7 reports for PRIM
Performance horizon
100% Hit rate 5 of 5 directional calls best @ T+60▲ +16.62%May 5, 2026
Filters
Rows
Reports for PRIM — sortable, filterable
TypeNow
Aug 14, 2026
7w ago
Press Release
BEARISH ★ 8/10
$83.30 $74.17▲ +10.96%▲ +8.97%$79.08 (+5.07%)
Aug 7, 2026
8w ago
Press Release
BEARISH ★ 5/10
$82.63 $74.43▲ +9.92%▲ +9.53%$79.08 (+4.30%)
Jul 31, 2026
9w ago
Press Release
BEARISH ★ 7/10
$84.41 $73.12▲ +13.38%▲ +16.36%$79.08 (+6.31%)
Jun 22, 2026
14w ago
8-K
BEARISH ★ 9/10
$84.95 $86.64▼ −1.99%▼ −0.83%$79.08 (+6.91%)
Jun 1, 2026
17w ago
Insider Cluster
BULLISH ★ 5/10
$124.31 $92.94▼ −25.24%▼ −23.67%$79.08 (−36.38%)
May 30, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$121.44 $99.12▼ −18.38%▼ −17.08%$79.08 (−34.88%)
May 5, 2026
21w ago
8-K
BEARISH ★ 8/10
$101.23 $126.32▼ −24.79%▼ −22.00%$79.08 (+21.88%)
Showing 7 of 7

US Market Status

Market Closed — Opens Mon (64h 11m)

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Report published Jun 1, 2026