Insider Cluster (5 insiders) ·Filed Feb 26, 2026

WDC

WESTERN DIGITAL CORP
NEUTRAL
Impact 4/10
Horizonweeks Processed7mo ago
Insider cluster: 2 insiders, $88K total
Actionable Insight • Neutral

Monitor for additional selling in coming weeks — while this cluster is within normal range for a large-cap company, concentrated C-suite selling could become a concern if volume accelerates. No immediate red flag given small size relative to market cap.

DirectionNeutral
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d
WDC ▲ +72.64% at T+60d
NEUTRAL call ✓ call won +72.64% · α vs SPY +64.89% · entry $281.78 → $486.46
Entry anchored
Feb 25, 06:25 PM ET
via exchange tick
T+1d
-0.79%
call -0.79% · α -0.33%
$279.56
settled 7mo ago
T+5d
-8.19%
call -8.19% · α -7.06%
$258.71
settled 7mo ago
T+20d
-3.01%
call -3.01% · α +3.39%
$273.29
settled 6mo ago
T+60d
+72.64%
call +72.64% · α +64.89%
$486.46
settled 4mo ago

Price Chart

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Executive Summary

Western Digital insiders executed a mix of open-market sales and derivative exercises over the past week. The total value of open-market sales was approximately $1.03 million, led by the Chief of Global Operations selling $801k of shares, while several C-suite executives exercised stock options (non-cash transactions).

Key Financial Metrics

Direction
selling
Total Value
$1.0M
Insiders
5

Key Facts

  • Chief of Global Operations Vidyadhara K. Gubbi sold $801,432 worth of shares in an open-market transaction.
  • Chief Legal Officer Cynthia Tregillis sold $200,396 worth of shares; also exercised 23 shares via derivative (non-cash).
  • CEO Irving Tan and other C-suite executives exercised stock derivatives totaling $0 in cash value (non-cash events).
  • Total open-market sales in cluster: $1.03 million across 3 insiders.
  • Total cluster value represents ~0.0012% of WDC's $88.6B market cap — well below materiality threshold.

Financial Impact

$1.03 million in net open-market selling by insiders; non-cash derivative exercises added no economic value.

insider ownershippotential sentiment signal

Risk Factors

  • Perception of insider confidence erosion if selling continues next quarter.
  • Derivative exercises may lead to future selling pressure as executives realize gains.

Market Snapshot

Exchange
Nasdaq

Investment Themes

Software & IT

Documents Analyzed

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

DocumentAccession Number
CONTEXT: Insider Cluster Data (7 trades, 7d window)cluster-WDC-1772758836640
19 reports for WDC
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for WDC — sortable, filterable
TypeNow
Sep 14, 2026
18d ago
8-K
NEUTRAL ★ 4/10
$426.94 $448.17▲ +4.97%▲ +4.87%$416.66 (−2.41%)
Sep 2, 2026
29d ago
Insider Cluster
NEUTRAL ★ 2/10
$441.57 $447.18▲ +1.27%▲ +2.42%$416.66 (−5.64%)
Sep 2, 2026
29d ago
Insider Cluster
NEUTRAL ★ 2/10
$441.57 $447.18▲ +1.27%▲ +2.42%$416.66 (−5.64%)
Aug 26, 2026
5w ago
8-K
NEUTRAL ★ 4/10
$468.88 $448.90▼ −4.26%▼ −4.14%$416.66 (−11.14%)
Jul 29, 2026
9w ago
Insider Cluster
NEUTRAL ★ 2/10
$533.04 $451.52▼ −15.29%▼ −18.92%$416.66 (−21.83%)
Jun 11, 2026
16w ago
Insider Cluster
NEUTRAL ★ 2/10
$562.93 $746.23▲ +32.56%▲ +31.89%$416.66 (−25.98%)
Jun 11, 2026
16w ago
Insider Cluster
NEUTRAL ★ 2/10
$562.93 $746.23▲ +32.56%▲ +31.89%$416.66 (−25.98%)
Jun 3, 2026
17w ago
8-K
MIXED ★ 6/10
$593.83 $490.09▼ −17.47%▼ −13.65%$416.66 (−29.83%)
Jun 2, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$593.83 $490.09▼ −17.47%▼ −13.65%$416.66 (−29.83%)
Jun 2, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$593.83 $490.09▼ −17.47%▼ −13.65%$416.66 (−29.83%)
Showing 10 of 19

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Report published Mar 6, 2026