Summary
Updated Aug 30, 2026
William H. Spence is Director of PINNACLE WEST CAPITAL CORP (PNW). 4 SEC Form 4 filings on record going back to 2024, most recently on 18 May 2026.
Recent Transactions
4Every recent SEC Form 4 transaction William H. Spence has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William H. Spence 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.
- Terrance Lane Wilson - $4.31M of WMB open-market activity in the last 12 months
- John Dean Porter - $3.77M of WMB open-market activity in the last 12 months
- Larry C. Larsen - $918K of WMB open-market activity in the last 12 months
- Mary A. Hausman - $757K of WMB open-market activity in the last 12 months
- Jacob Tetlow - $650K of PNW open-market activity in the last 12 months
- Todd J. Rinke - $548K of WMB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William H. Spence?
William H. Spence is a corporate insider, tracked as Director of PINNACLE WEST CAPITAL CORP (PNW). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did William H. Spence last file a Form 4?
The most recent primary Form 4 on record is dated 18 May 2026, one of 4 filings going back to 2024.
Where can I see all of William H. Spence's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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