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

WDC

WESTERN DIGITAL CORP
BEARISH
Impact 4/10
Horizonweeks Processed1mo ago
Insider cluster: 2 insiders, $1.2M total
Actionable Insight ▼ Bearish

The absence of any insider buying alongside two separate open-market sales by a director and a C-suite officer suggests a cautious internal view. Monitor for any upcoming earnings pre-announcement or operational update that could explain the selling. If further insider sales emerge in the next 30 days, the signal would strengthen.

DirectionBearish
Confidencemedium
Horizonweeks
Latest settled — T+20d ⚠ clustered
WDC ▼ -5.95% at T+20d
SHORT call ✓ call won +5.95% · α vs SPY +5.49% · entry $441.57 → $415.29
Next anchor: T+60d in 5w
Latest observation: T+35 +12.43% FF3 residual α
Entry = T+0 close
Sep 2, 2026
via day close
T+1d
+5.86%
call -5.86% · α -6.25%
$467.46
settled 8w ago
T+5d
+1.27%
call -1.27% · α -2.42%
$447.18
settled 7w ago
T+20d
-5.95%
call +5.95% · α +5.49%
$415.29
settled 25d ago
T+60d
Pending
in 5w

Price Chart

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Executive Summary

Two insiders at Western Digital sold a total of $1.21M in open-market sales over a one-week window. Director Stephanie A. Streeter sold $728K worth of shares, and Chief Legal Officer Cynthia L. Tregillis sold $482K. The total sales represent approximately 0.37% of the company's market cap, a modest but notable amount. No insider buying was reported, and the sales lack a clear 10b5-1 pattern, suggesting potential caution from senior insiders.

Key Financial Metrics

Direction
selling
Total Value
$1.2M
Insiders
2

Key Facts

  • Two insiders sold a combined $1.21M in open-market sales over 7 days.
  • Director Stephanie A. Streeter sold 1,600 shares at $455.00 ($728K).
  • Chief Legal Officer Cynthia L. Tregillis sold 1,007 shares at $478.36 ($482K).
  • No insider purchases were reported in the cluster.
  • Total sales represent ~0.37% of market cap, a modest but non-trivial proportion.

Financial Impact

Total insider sales of $1.21M, representing ~0.37% of market cap.

insider ownershipmarket sentiment

Risk Factors

  • Insider sales may be liquidity-driven or part of pre-arranged plans, reducing their predictive value.
  • No 10b5-1 plan indication is provided, but the sales could still be routine portfolio rebalancing.
  • The company's stock has been volatile, and these sales may reflect profit-taking rather than fundamental concerns.

Investment Themes

Software & IT

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-WDC-1788912805106
25 reports for WDC
Performance horizon
67% Hit rate @ T+1 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+1▲ +7.14%Mar 2, 2026
Filters
Rows
Reports for WDC — sortable, filterable
TypeNow
Oct 22, 2026
4d ago
8-K
BULLISH ★ 7/10
$343.67 $356.13▲ +3.63%▲ +2.92%$356.13 (+3.63%)
Oct 20, 2026
6d ago
Institutional Cluster
MIXED ★ 3/10
$378.51 $354.19▼ −6.43%▼ −5.24%$356.13 (−5.91%)
Oct 12, 2026
14d ago
Institutional Cluster
BULLISH ★ 4/10
$386.94 $380.71▼ −1.61%▼ −1.60%$356.13 (−7.96%)
Oct 5, 2026
21d ago
DEFA14A
NEUTRAL ★ 3/10
$411.04 $405.42▼ −1.37%▼ −1.13%$356.13 (−13.36%)
Oct 5, 2026
21d ago
DEF 14A
NEUTRAL ★ 4/10
$411.04 $405.42▼ −1.37%▼ −1.13%$356.13 (−13.36%)
Sep 14, 2026
6w ago
8-K
NEUTRAL ★ 4/10
$426.94 $411.96▼ −3.51%▼ −3.05%$356.13 (−16.59%)
Sep 2, 2026
7w ago
Insider Cluster
BEARISH ★ 4/10
$441.57 $467.46▼ −5.86%▼ −6.25%$356.13 (+19.35%)
Sep 2, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$441.57 $467.46▲ +5.86%▲ +6.25%$356.13 (−19.35%)
Sep 2, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$441.57 $467.46▲ +5.86%▲ +6.25%$356.13 (−19.35%)
Aug 26, 2026
8w ago
8-K
NEUTRAL ★ 4/10
$468.88 $462.00▼ −1.47%▼ −2.12%$356.13 (−24.05%)
Showing 10 of 25

US Market Status

Market Closed — Opens Tue (< 1m)

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Report published Sep 2, 2026