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Insider Cluster (2 insiders) ·Filed Sep 16, 2026

OUST

Ouster, Inc.
BEARISH
Impact 5/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $1.2M total
Actionable Insight ▼ Bearish

Two top executives selling simultaneously at the same price without a disclosed trading plan is a bearish signal. Monitor for any upcoming 8-K or earnings pre-announcement that could explain the timing. The stock has been volatile (recent -10% to +14% swings), so this cluster may precede a negative catalyst.

DirectionBearish
Confidencemedium
Horizondays
Latest settled — T+20d
OUST ▼ -10.36% at T+20d
SHORT call ✓ call won +10.36% · α vs SPY +11.56% · entry $34.95 → $31.33
Next anchor: T+60d in 6w
Latest observation: T+26 -1.20% FF3 residual α
Entry = T+0 close
Sep 16, 2026
via day close
T+1d
+0.29%
call -0.29% · α -0.41%
$35.05
settled 6w ago
T+5d
+18.37%
call -18.37% · α -17.77%
$41.37
settled 5w ago
T+20d
-10.36%
call +10.36% · α +11.56%
$31.33
settled 13d ago
T+60d
Pending
in 6w

Price Chart

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Executive Summary

CFO Kenneth Gianella and CTO Mark Frichtl sold a combined $1.17M in open-market shares at ~$33.96 each on September 14, 2026. This is a cluster of senior insider selling at a single price point, representing ~0.36% of market cap — modest but notable. The sales are not clearly plan-driven and follow a period of volatile stock performance, suggesting insiders may be taking profits or reacting to near-term headwinds.

Key Financial Metrics

Direction
selling
Total Value
$1.2M
Insiders
2

Key Facts

  • CFO Kenneth Gianella sold 15,700 shares for ~$533K on 2026-09-14
  • CTO Mark Frichtl sold 18,778 shares for ~$638K on 2026-09-14
  • Total insider selling: ~$1.17M at ~$33.96/share
  • Both sales are open-market (code S) with no 10b5-1 plan indicated
  • Cluster represents ~0.36% of market cap ($326M)

Financial Impact

Insider selling of $1.17M, or 0.36% of market cap, in a single day by both CFO and CTO

insider ownershipmarket sentiment

Risk Factors

  • Insiders may have material non-public negative information
  • Stock has shown high volatility with recent sharp declines following neutral reports
  • No disclosed 10b5-1 plan for either sale increases information-signal risk

Investment Themes

Industrials & Manufacturing

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-OUST-1789599168784
22 reports for OUST
Performance horizon
75% Hit rate @ T+20 3 of 4 directional calls Went positive at some point 4 of 4 best @ T+20▲ +28.71%Jul 2, 2026
Filters
Rows
Reports for OUST — sortable, filterable
TypeNow
Sep 16, 2026
5w ago
Insider Cluster
BEARISH ★ 5/10
$34.95 $31.33▲ +10.36%▲ +11.56%$29.71 (+14.99%)
Sep 11, 2026
6w ago
144
NEUTRAL ★ 3/10
$33.46 $37.27▲ +11.39%▲ +9.12%$29.71 (−11.21%)
Sep 11, 2026
6w ago
144
NEUTRAL ★ 3/10
$33.46 $37.27▲ +11.39%▲ +9.12%$29.71 (−11.21%)
Aug 18, 2026
9w ago
144
NEUTRAL ★ 3/10
$40.06 $32.79▼ −18.15%▼ −16.63%$29.71 (−25.84%)
Aug 7, 2026
11w ago
Insider Cluster
NEUTRAL ★ 3/10
$42.13 $38.05▼ −9.68%▼ −8.77%$29.71 (−29.48%)
Aug 6, 2026
11w ago
144
NEUTRAL ★ 3/10
$43.40 $36.43▼ −16.06%▼ −15.66%$29.71 (−31.54%)
Jul 6, 2026
16w ago
8-K
NEUTRAL ★ 5/10
$44.06 $42.48▼ −3.59%▼ −4.92%$29.71 (−32.57%)
Jul 6, 2026
16w ago
424B5
BEARISH ★ 6/10
$49.83 $39.01▲ +21.71%▲ +21.15%$29.71 (+40.38%)
Jul 2, 2026
16w ago
424B5
BEARISH ★ 5/10
$49.84 $35.53▲ +28.71%▲ +28.30%$29.71 (+40.39%)
Jul 1, 2026
16w ago
S-3ASR
NEUTRAL ★ 4/10
$49.84 $35.53▼ −28.71%▼ −28.30%$29.71 (−40.39%)
Showing 10 of 22

US Market Status

Market Closed — Opens Wed (10h 14m)

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Report published Sep 16, 2026