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sellWeak10b5-1 plan

Gene M. Zamiska sold $23k of WDC

SVP & Princ. Acctg Officer at WESTERN DIGITAL CORP. 313 shares at an average of $72.63, traded Nov 29, 2024, filed Dec 2, 2024.

Warning score
0
Value
$23k
313 shares
Holdings after
28,383
-1% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $23k at market
    0
  • Share of holdings sold
    Sold 1.1% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

WDCOct 9, 2026 · close 397.28
Since filing Dec 2, 2024: +619.3%SPY +32.0% · excess +587.3%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001266824-24-000137, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 27, 2024FTax withholding
Common Stock10b5-1
-167$71.50$12k28,696Dec 2, 2024
Nov 29, 2024SOpen-market sale
Common Stock10b5-1
-313$72.63$23k28,383Dec 2, 2024

Related signals

Other insiders at WESTERN DIGITAL CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
38Weak
WDCsell 3
WESTERN DIGITAL CORP
Vidyadhara K Gubbi
Chief of Global Operations
$825k
1,795 shares
-2%
7Weak
WDCsell 310b5-1
WESTERN DIGITAL CORP
Cynthia L Tregillis
Chief Legal Officer & Corp Sec
$195k
432 shares
-0%
60Notable
WDCsell 3
WESTERN DIGITAL CORP
Stephanie A Streeter
director
$2.5M
5,600 shares
-14%
64Notable
WDCsell 5
WESTERN DIGITAL CORP
Kimberly Alexy
director
$320k
2,000 shares
-56%
60Notable
WDCsell 5
WESTERN DIGITAL CORP
Vidyadhara K Gubbi
Chief of Global Operations
$3.7M
22,820 shares
-15%
40Moderate
WDCsell 510b5-1
WESTERN DIGITAL CORP
Martin I Cole
director
$976k
6,000 shares
-14%
47Moderate
WDCsell 5
WESTERN DIGITAL CORP
Cynthia L Tregillis
Chief Legal Officer & Corp Sec
$450k
2,801 shares
-2%
53Moderate
WDCsell 5
WESTERN DIGITAL CORP
Kimberly Alexy
director
$272k
1,768 shares
-33%
54Moderate
WDCsell 5
WESTERN DIGITAL CORP
Roxanne Oulman
director
$278k
1,800 shares
-32%
33Weak
WDCsell 210b5-1
WESTERN DIGITAL CORP
Martin I Cole
director
$1.6M
10,000 shares
-20%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.