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

ATOM

Atomera Inc
NEUTRAL
Impact 4/10
Horizondays Processed3mo ago
Insider cluster: 2 insiders, $556K total
Actionable Insight • Neutral

The simultaneous CEO/CTO sales are notable but not alarming given the small percentage of market cap. Monitor for any upcoming corporate announcements or additional insider selling that could signal a shift in sentiment.

DirectionNeutral
Confidencemedium
Horizondays
Final — all horizons settled through T+60d
ATOM ▼ -56.33% at T+60d
NEUTRAL call ✗ call lost -56.33% · α vs SPY -58.23% · entry $9.00 → $3.93
Entry anchored
Jun 17, 03:59 PM ET
via exchange tick
T+1d
-8.22%
call -8.22% · α -7.91%
$8.26
settled 4mo ago
T+5d
-18.78%
call -18.78% · α -17.11%
$7.31
settled 3mo ago
T+20d
-36.78%
call -36.78% · α -37.31%
$5.69
settled 3mo ago
T+60d
-56.33%
call -56.33% · α -58.23%
$3.93
settled 18d ago

Price Chart

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Executive Summary

CEO Scott A. Bibaud and CTO Robert J. Mears collectively sold approximately $546K in open-market shares on June 15, 2026, following option exercises. The sales represent 0.16% of market cap, a modest amount that does not signal material insider concern.

Key Financial Metrics

Direction
selling
Total Value
$545.9K
Insiders
2

Key Facts

  • CEO Scott A. Bibaud sold 50,000 shares at $9.37 for $468,500 on June 15, 2026.
  • CTO Robert J. Mears sold 8,182 shares at $9.46 for $77,402 on June 15, 2026.
  • Both executives exercised stock options prior to the sales (CEO exercised 50,000 at $7.01; CTO exercised 10,000 at $7.65).
  • Total open-market sales of $545,902 represent 0.16% of Atomera's $341M market cap.

Financial Impact

Insider sales of $545,902 (0.16% of market cap) are modest and routine relative to company size.

dilutioninsider ownership

Risk Factors

  • Further insider selling could indicate management's lack of confidence.
  • Option exercises followed by sales may be tax-driven but still reduce insider alignment.

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
86% bullish (7 analysts)

Investment Themes

Semiconductors

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ATOM-1781740837487
7 reports for ATOM
Performance horizon
Filters
Rows
Reports for ATOM — sortable, filterable
TypeNow
Jul 21, 2026
10w ago
Press Release
NEUTRAL ★ 2/10
$5.78 $4.73▼ −18.17%▼ −21.06%$4.71 (−18.51%)
Jun 18, 2026
15w ago
Insider Cluster
NEUTRAL ★ 4/10
$9.00 $5.69▼ −36.78%▼ −37.31%$4.71 (−47.67%)
Jun 11, 2026
16w ago
Institutional Cluster
MIXED ★ 4/10
$8.75 $6.83▼ −21.94%▼ −23.83%$4.71 (−46.17%)
Jun 2, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$9.10 $7.41▼ −18.57%▼ −17.57%$4.71 (−48.24%)
May 5, 2026
21w ago
8-K
NEUTRAL ★ 4/10
$9.13 $9.10▼ −0.33%▼ −3.11%$4.71 (−48.41%)
Mar 27, 2026
26w ago
DEFA14A
NEUTRAL ★ 4/10
$3.58 $7.31▲ +104.19%▲ +91.59%$4.71 (+31.56%)
Mar 2, 2026
30w ago
Insider Cluster
NEUTRAL ★ 2/10
$5.24 $3.58▼ −31.68%▼ −23.74%$4.71 (−10.11%)
Showing 7 of 7

US Market Status

Market Closed — Opens Mon (65h 30m)

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Report published Jun 18, 2026