William M Walker

CIK 1503841 · Chairman & CEO · last filed 2026-06-08

William M Walker is a Chairman & CEO who has filed 109 SEC Form 4 insider transactions across 1 company since 2010. The most recent filing, for WD, was dated Jun 8, 2026. Across all open-market trades the lifetime net is −$45.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $26.3M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$26.25M

Companies

1

Total Filings

109

Lifetime Open-Market Net

-$45.28M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
WD Chairman & CEO 492,903 $53.26 $26.25M -$45.28M 109 2026-06-08

Recent Filings

109 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-08 WD Grant (A) $0 EDGAR
2026-03-03 WD Buy (P) +10,000 $474.6K EDGAR
2026-02-18 WD Mixed +38,556 -$614.9K EDGAR
2026-02-03 WD Mixed +4,578 -$204.5K EDGAR
2025-12-09 WD Grant (A) $0 EDGAR
2025-09-09 WD Grant (A) $0 EDGAR
2025-06-02 WD Grant (A) $0 EDGAR
2025-04-03 WD Gift (G) +21,349 $0 EDGAR
2025-03-18 WD Mixed +3,193 -$203.8K EDGAR
2025-03-06 WD Buy (P) +17,500 $1.51M EDGAR
Showing 110 of 109
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.