Insiders who reported open-market trades in the last 12 months at the companies John Dean Porter 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.
John Dean Porter is a corporate insider, tracked as EVP & CFO of WILLIAMS COMPANIES, INC. (WMB). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did John Dean Porter last file a Form 4?
The most recent primary Form 4 on record is dated 26 June 2026, one of 6 filings going back to 2024.
Has John Dean Porter been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($3.77M) across all tracked filings.
John Dean Porter is EVP & CFO of WILLIAMS COMPANIES, INC. (WMB). 6 SEC Form 4 filings on record going back to 2024, most recently on 26 June 2026. Most recent open-market trade: sold $3.77M of WMB on 7 May 2026. Lifetime open-market sales: $3.77M.
Recent transactions
11
The latest 11 SEC Form 4 transactions reported by John Dean Porter.
InsiderAlpha's records for John Dean Porter go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
