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Insider Cluster (2 insiders) ·Filed Aug 18, 2026

ATEX

Anterix Inc.
BEARISH
Impact 5/10
Horizonweeks Processed2mo ago
Insider cluster: 2 insiders, $4.3M total
Actionable Insight ▼ Bearish

The director's $4.18M sale is notable at 0.25% of market cap, but the CEO's $73K sale is trivial. Monitor for any upcoming material news (earnings, FCC spectrum decisions) that might have prompted these sales.

DirectionBearish
Confidencemedium
Horizonweeks
Latest settled — T+20d ⚠ clustered
ATEX ▼ -12.70% at T+20d
SHORT call ✓ call won +12.70% · α vs SPY +11.86% · entry $88.68 → $77.42
Next anchor: T+60d in 15d
Latest observation: T+46 +21.77% FF3 residual α
Entry = T+0 close
Aug 18, 2026
via day close
T+1d
-3.80%
call +3.80% · α +2.96%
$85.31
settled 2mo ago
T+5d
+6.18%
call -6.18% · α -6.57%
$94.16
settled 2mo ago
T+20d
-12.70%
call +12.70% · α +11.86%
$77.42
settled 6w ago
T+60d
Pending
in 15d

Price Chart

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Executive Summary

Two Anterix insiders sold a combined $4.25M in stock within a week, including $4.18M from a director and $73K from the CEO. The director's large sale is 0.25% of market cap, a moderately significant signal, but the CEO's sale is trivial. Non-cash gifts are also present.

Key Financial Metrics

Direction
selling
Total Value
$4.3M
Insiders
2

Key Facts

  • Director Heard William sold 46,400 shares @ $90.11 for $4.18M on 2026-08-14
  • CEO Lang Scott A. sold 800 shares @ $91.69 for $73K on 2026-08-14
  • Director Heard William also gifted 5,400 shares (non-cash) on 2026-08-19
  • Total cluster sales value of $4.25M represents ~0.25% of ATEX's $1.7B market cap
  • No open-market buying in the cluster

Financial Impact

$4.25M in insider sales, equivalent to 0.25% of market cap

insider ownership

Risk Factors

  • Director selling could indicate non-public negative views, though sales can be liquidity-driven
  • The CEO's small sale is unlikely informative, reducing the cluster's overall bearish weight

Market Snapshot

Exchange
Nasdaq
Sector
Telephone Communications (No Radiotelephone)
Analyst Consensus
80% bullish (10 analysts)

Investment Themes

Media & Telecom

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ATEX-1787292255629
20 reports for ATEX
Performance horizon
100% Hit rate @ T+20 7 of 7 directional calls Went positive at some point 7 of 7 best @ T+60▲ +168.03%Apr 6, 2026
Filters
Rows
Reports for ATEX — sortable, filterable
TypeNow
Oct 27, 2026
today
SC 13G/A
NEUTRAL ★ 3/10
$79.27awaiting T+20—$85.62 (+8.01%)
Oct 9, 2026
18d ago
144
NEUTRAL ★ 3/10
$84.96awaiting T+20—$85.62 (+0.78%)
Sep 18, 2026
5w ago
8-K
NEUTRAL ★ 3/10
$83.62 $77.87▼ −6.88%▼ −5.97%$85.62 (+2.39%)
Sep 11, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$77.59 $84.96▲ +9.50%▲ +6.98%$85.62 (+10.35%)
Aug 27, 2026
8w ago
Insider Cluster
NEUTRAL ★ 2/10
$92.33 $81.75▼ −11.46%▼ −11.22%$85.62 (−7.27%)
Aug 26, 2026
8w ago
Insider Cluster
BEARISH ★ 5/10
$94.67 $81.42▲ +14.00%▲ +14.28%$85.62 (+9.56%)
Aug 18, 2026
10w ago
Insider Cluster
BEARISH ★ 5/10
$88.68 $77.42▲ +12.70%▲ +11.86%$85.62 (+3.45%)
Aug 18, 2026
10w ago
Insider Cluster
BEARISH ★ 5/10
$88.68 $77.42▲ +12.70%▲ +11.86%$85.62 (+3.45%)
Aug 14, 2026
10w ago
Insider Cluster
NEUTRAL ★ 3/10
$91.53 $77.59▼ −15.23%▼ −13.24%$85.62 (−6.46%)
Jul 29, 2026
12w ago
Press Release
NEUTRAL ★ 1/10
$93.58awaiting T+20—$85.62 (−8.51%)
Showing 10 of 20

US Market Status

Market Closed — Opens Wed (< 1m)

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Report published Aug 21, 2026