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Insider Cluster (3 insiders) ·Filed Aug 12, 2026

MASS

908 Devices Inc.
BEARISH
Impact 5/10
Horizonweeks Processed2mo ago
Insider cluster: 3 insiders, $0.6M total
Actionable Insight ▼ Bearish

The CEO's $1.47M in open-market sales immediately after the cluster and earnings beat is the key signal — it suggests insiders view the post-earnings price as a selling opportunity despite the positive headline. Monitor for additional insider filings in the next 30 days; if selling continues, it would reinforce a bearish read. The Q2 EPS miss (-$0.32 vs -$0.14 consensus) may be the underlying concern.

DirectionBearish
Confidencemedium
Horizonweeks
Latest settled — T+20d ⚠ clustered
MASS ▼ -5.84% at T+20d
SHORT call ✓ call won +5.84% · α vs SPY +4.09% · entry $10.11 → $9.52
Next anchor: T+60d in 10d
Latest observation: T+50 -9.90% FF3 residual α
Entry = T+0 close
Aug 12, 2026
via day close
T+1d
-0.99%
call +0.99% · α +0.79%
$10.01
settled 2mo ago
T+5d
+2.37%
call -2.37% · α -4.34%
$10.35
settled 2mo ago
T+20d
-5.84%
call +5.84% · α +4.09%
$9.52
settled 7w ago
T+60d
Pending
in 10d

Price Chart

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Executive Summary

A cluster of insider selling at 908 Devices (MASS) totaling $591K over a 7-day window, including the CEO and a director, follows the company's Q2 2026 earnings beat and raised guidance. The CEO's additional $1.47M in open-market sales the day after the cluster (Aug 11-12) amplifies the signal, though the cluster value is modest at ~0.16% of market cap. The selling is not driven by a single liquidity event and occurs after positive earnings, suggesting insiders are taking advantage of the post-earnings price bump.

Key Financial Metrics

Direction
selling
Total Value
$591.0K
Insiders
3

Key Facts

  • CEO Kevin Knopp sold a total of ~149K shares for ~$1.47M across Aug 10-12, including a $1.14M sale on Aug 11.
  • Director Christopher Brown sold ~38K shares for ~$162K across Aug 10-11.
  • 10% owner AWM Investment sold 50K shares for $418K on Aug 4.
  • Total cluster value of $591K represents ~0.16% of MASS's $379M market cap.
  • Q2 2026 revenue beat consensus (+23% YoY to $16.1M) but GAAP EPS of -$0.32 missed the -$0.14 estimate.
  • Full-year 2026 revenue guidance raised to $68M-$70M (21-25% YoY growth).

Financial Impact

Insider selling of ~$2.06M (cluster + subsequent CEO sales) against a $379M market cap is modest but notable given the CEO's concentrated sales post-earnings.

dilutioninsider sentiment

Risk Factors

  • CEO selling $1.47M post-earnings could indicate lack of confidence in sustaining growth or margin improvement.
  • Q2 GAAP EPS miss of -$0.32 vs -$0.14 consensus suggests profitability remains distant despite revenue growth.

Market Snapshot

Exchange
Nasdaq
Sector
Measuring & Controlling Devices, NEC
Analyst Consensus
91% bullish (11 analysts)

Investment Themes

Industrials & Manufacturing

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-MASS-1786568741115
23 reports for MASS
Performance horizon
45% Hit rate @ T+5 5 of 11 directional calls Went positive at some point 7 of 11 best @ T+60▲ +12.41%Jun 13, 2026
Filters
Rows
Reports for MASS — sortable, filterable
TypeNow
Oct 6, 2026
19d ago
144
NEUTRAL ★ 2/10
$11.78 $11.83▲ +0.42%▲ +1.40%$11.90 (+0.98%)
Sep 25, 2026
4w ago
Insider Cluster
BEARISH ★ 4/10
$11.66 $12.80▼ −9.78%▼ −8.57%$11.90 (−2.02%)
Aug 27, 2026
8w ago
Insider Cluster
NEUTRAL ★ 4/10
$10.73 $10.05▼ −6.34%▼ −6.45%$11.90 (+10.86%)
Aug 17, 2026
9w ago
Insider Cluster
BEARISH ★ 4/10
$10.08 $11.00▼ −9.13%▼ −9.33%$11.90 (−18.01%)
Aug 12, 2026
10w ago
Insider Cluster
BEARISH ★ 5/10
$10.11 $10.35▼ −2.37%▼ −4.34%$11.90 (−17.66%)
Aug 11, 2026
10w ago
8-K
BULLISH ★ 6/10
$10.01 $10.08▲ +0.70%▲ +1.10%$11.90 (+18.83%)
Aug 7, 2026
11w ago
Insider Cluster
NEUTRAL ★ 4/10
$8.80 $10.19▲ +15.80%▲ +15.84%$11.90 (+35.17%)
Jul 7, 2026
15w ago
Insider Cluster
NEUTRAL ★ 2/10
$7.88 $8.05▲ +2.16%▲ +0.90%$11.90 (+50.95%)
Jul 2, 2026
16w ago
Insider Cluster
NEUTRAL ★ 3/10
$8.42 $7.95▼ −5.58%▼ −5.30%$11.90 (+41.27%)
Jun 13, 2026
19w ago
Institutional Cluster
BULLISH ★ 5/10
$8.62 $8.66▲ +0.46%▲ +1.85%$11.90 (+37.99%)
Showing 10 of 23

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Report published Aug 12, 2026