Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Ken Allen Plunk 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
- Kathleen E. Ciaramello - $49K in JJSF purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Ken Allen Plunk?
Ken Allen Plunk is a corporate insider of WD 40 CO (WDFC). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Ken Allen Plunk last file a Form 4?
The most recent primary Form 4 on record is dated 19 February 2026, one of 3 filings going back to 2024.
