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Insider Cluster (5 insiders) ·Filed Mar 16, 2026

ARQ

Arq, Inc.
NEUTRAL
Impact 4/10
Horizonweeks Processed7mo ago
Insider cluster: 3 insiders, $0.4M total
Actionable Insight • Neutral

The director's purchase is a positive signal, but isolated and below 0.5% of market cap. Monitor for follow-up buying by executives, especially ahead of earnings or catalyst events. Tax-related share surrenders are routine and should not be interpreted as negative.

DirectionNeutral
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d ⚠ clustered
ARQ ▲ +40.74% at T+60d
NEUTRAL call +40.74% · α vs SPY +30.76% · entry $1.89 → $2.66
Entry = T+0 close
Mar 16, 2026
via day close
T+1d
+0.53%
call +0.53% · α +1.92%
$1.90
settled 8mo ago
T+5d
+23.28%
call +23.28% · α +25.91%
$2.33
settled 7mo ago
T+20d
+24.87%
call +24.87% · α +20.52%
$2.36
settled 7mo ago
T+60d
+40.74%
call +40.74% · α +30.76%
$2.66
settled 5mo ago

Price Chart

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Executive Summary

Five insiders at Arq, Inc. (ARQ) transacted shares on March 23, 2026, within a single day. Four of the five transactions were tax withholdings involving share surrenders, which are non-cash administrative events. The only open-market transaction was a $331,665 purchase by director Campbell-Breeden, signaling confidence. No C-suite executives engaged in open-market buying or selling.

Key Financial Metrics

Direction
buying
Total Value
$331.7K
Insiders
5

Key Facts

  • Director Campbell-Breeden purchased 150,000 shares in the open market for $331,665.
  • CEO Rasmus Robert E., CTO Wong Joseph M., CAO Hansen Stacia, and General Counsel Smith Claiborne Benson all surrendered shares to cover tax obligations following a vesting event.
  • All selling activity was due to tax withholding (Form 4 code 'F'), not discretionary sales.
  • Total open-market purchase value: $331,665 (0.33% of $100M market cap).
  • No insider sold shares on the open market.

Financial Impact

$331,665 in open-market buying by a director; no material dilution or insider selling observed.

insider ownershipmarket sentiment

Risk Factors

  • The lack of participation from C-suite executives in open-market buying limits the strength of the bullish signal.
  • A concentrated cluster of tax withholdings may indicate a recent equity vesting event, potentially increasing float and near-term supply pressure.

Market Snapshot

Exchange
Nasdaq

Investment Themes

Materials & Mining

Documents Analyzed

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

DocumentAccession Number
CONTEXT: Insider Cluster Data (5 trades, 7d window)cluster-ARQ-1774440046363
17 reports for ARQ
Performance horizon
100% Hit rate @ T+60 3 of 3 directional calls Went positive at some point 3 of 3 best @ T+60▲ +40.74%Mar 16, 2026
Filters
Rows
Reports for ARQ — sortable, filterable
TypeNow
Sep 30, 2026
27d ago
Press Release
NEUTRAL ★ 3/10
$1.89awaiting T+60—$1.78 (−5.82%)
Aug 10, 2026
11w ago
8-K
NEUTRAL ★ 4/10
$2.27awaiting T+60—$1.78 (−21.59%)
Aug 10, 2026
11w ago
Press Release
NEUTRAL ★ 4/10
$2.27awaiting T+60—$1.78 (−21.59%)
Jul 23, 2026
13w ago
8-K
NEUTRAL ★ 3/10
$2.03 $1.78▼ −12.10%▼ −15.83%$1.78 (−12.10%)
Jun 18, 2026
18w ago
8-K
NEUTRAL ★ 2/10
$2.58 $2.07▼ −19.77%▼ −21.51%$1.78 (−31.01%)
Jun 11, 2026
19w ago
8-K
NEUTRAL ★ 3/10
$2.68 $2.21▼ −17.54%▼ −20.80%$1.78 (−33.58%)
May 27, 2026
21w ago
8-K
NEUTRAL ★ 4/10
$2.75 $2.30▼ −16.36%▼ −18.10%$1.78 (−35.27%)
May 6, 2026
24w ago
8-K
MIXED ★ 5/10
$2.59 $2.01▼ −22.39%▼ −26.23%$1.78 (−31.27%)
May 1, 2026
25w ago
8-K
NEUTRAL ★ 3/10
$2.45 $1.94▼ −20.82%▼ −22.67%$1.78 (−27.35%)
Apr 28, 2026
26w ago
DEFA14A
NEUTRAL ★ 3/10
$2.23 $2.03▼ −9.19%▼ −13.30%$1.78 (−20.18%)
Showing 10 of 17

US Market Status

Market Closed — Opens Thu (10h 22m)

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Report published Mar 25, 2026