Insider Cluster (2 insiders) ·Filed Jul 28, 2026

ARX

Accelerant Holdings
BEARISH
Impact 4/10
Horizonweeks Processed2mo ago
Insider cluster: 2 insiders, $1.3M total
Actionable Insight ▼ Bearish

CEO selling $1.08M in a single trade is the most significant signal here, though the dollar amount is small relative to market cap. The sustained 30-day selling pattern ($6.8M across 8 sells) warrants monitoring for upcoming earnings or material news. No immediate catalyst is identified, but the cluster amplifies the bearish signal from the CEO's trade.

DirectionBearish
Confidencemedium
Horizonweeks
Latest settled — T+20d ⚠ clustered
ARX ▲ +33.63% at T+20d
SHORT call ✗ call lost -33.63% · α vs SPY -30.25% · entry $14.72 → $19.67
Next anchor: T+60d in 18d
Latest observation: T+45 -39.05% FF3 residual α
Entry anchored
Jul 27, 03:59 PM ET
via exchange tick
T+1d
-15.76%
call +15.76% · α +14.22%
$12.40
settled 2mo ago
T+5d
-18.34%
call +18.34% · α +20.61%
$12.02
settled 2mo ago
T+20d
+33.63%
call -33.63% · α -30.25%
$19.67
settled 6w ago
T+60d
—
call — · α —
—
in 18d

Price Chart

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Executive Summary

Two Accelerant Holdings insiders — CEO Jeffrey Radke and COO Matthew Sternberg — sold a combined $1.34M in open-market stock within a week. The CEO's $1.08M sale is the dominant event; the COO's $257K sale follows a routine tax-withholding transaction. At 0.04% of market cap, the total is trivial relative to the $3.1B company, but the CEO's sale is notable for its size and timing.

Key Financial Metrics

Direction
selling
Total Value
$1.3M
Insiders
2

Key Facts

  • CEO Jeffrey Radke sold 80,000 shares for $1.08M on 2026-07-20
  • COO Matthew Sternberg sold 17,568 shares for $257K on 2026-07-27
  • Total insider sales: $1.34M, or ~0.04% of $3.1B market cap
  • COO also had a tax-withholding surrender of 3,910 shares on 2026-07-23 ($53,841)
  • Recent 30-day insider activity: 8 sells totaling $6.8M, indicating sustained selling pressure

Financial Impact

$1.34M in open-market sales, 0.04% of market cap

insider ownershipfloat

Risk Factors

  • CEO selling may signal lack of confidence in near-term outlook
  • Sustained insider selling pattern over 30 days ($6.8M total)
  • No insider buying to offset the selling

Market Snapshot

Exchange
NYSE
Sector
Insurance Agents, Brokers & Service
Analyst Consensus
86% bullish (14 analysts)

Investment Themes

Traditional Finance

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ARX-1785202720665
21 reports for ARX
Performance horizon
78% Hit rate 7 of 9 directional calls best @ T+60▲ +43.47%Feb 27, 2026
Filters
Rows
Reports for ARX — sortable, filterable
TypeNow
Aug 14, 2026
7w ago
DEFA14A / 8-K
BULLISH ★ 7/10
$19.58 $19.83▲ +1.28%▲ +3.27%$19.73 (+0.77%)
Aug 14, 2026
7w ago
Insider Cluster
BEARISH ★ 6/10
$19.58 $19.83▼ −1.28%▼ −3.27%$19.73 (−0.77%)
Aug 13, 2026
7w ago
DEFA14A
BULLISH ★ 8/10
$19.51 $19.84▲ +1.69%▲ +3.44%$19.73 (+1.13%)
Aug 13, 2026
7w ago
8-K
BULLISH ★ 9/10
$19.51 $19.84▲ +1.69%▲ +3.44%$19.73 (+1.13%)
Aug 12, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$13.61 $19.84▲ +45.78%▲ +47.67%$19.73 (+44.97%)
Aug 5, 2026
8w ago
Insider Cluster
BEARISH ★ 5/10
$12.26 $19.70▼ −60.69%▼ −61.29%$19.73 (−60.93%)
Jul 29, 2026
9w ago
Insider Cluster
NEUTRAL ★ 4/10
$11.20 $19.69▲ +75.80%▲ +71.84%$19.73 (+76.16%)
Jul 29, 2026
9w ago
Insider Cluster
NEUTRAL ★ 2/10
$12.40 $19.67▲ +58.63%▲ +53.61%$19.73 (+59.11%)
Jul 28, 2026
9w ago
Insider Cluster
BEARISH ★ 4/10
$14.72 $19.67▼ −33.63%▼ −30.25%$19.73 (−34.04%)
Jul 24, 2026
10w ago
144
BEARISH ★ 5/10
$14.23 $19.59▼ −37.67%▼ −34.04%$19.73 (−38.65%)
Showing 10 of 21

US Market Status

Market Closed — Opens Mon (38h 39m)

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Report published Jul 28, 2026