William B. Noble
Group Managing Director · WD 40 CO
- 2024
- Oct 29, 2025
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William B. Noble files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- David Pendarvis - $207K in WDFC purchases and sales in the last 12 months
- Daniel T. Carter - $199K in WDFC purchases and sales in the last 12 months
- Patricia Q. Olsem - $117K in WDFC purchases and sales in the last 12 months
- Eric Etchart - $97K in WDFC purchases and sales in the last 12 months
- Steven A. Brass - $73K in WDFC purchases and sales in the last 12 months
- Sara Kathleen Hyzer - $40K in WDFC purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is William B. Noble?
William B. Noble is a corporate insider, tracked as Group Managing Director of WD 40 CO (WDFC). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did William B. Noble last file a Form 4?
The most recent primary Form 4 on record is dated 29 October 2025, one of 4 filings going back to 2024.
Has William B. Noble been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($495K) across all tracked filings.
