John Dean Porter
CIK 1799286 · EVP & CFO · last filed 2026-05-07
John Dean Porter is an EVP & CFO who has filed 21 SEC Form 4 insider transactions across 1 company since 2020. The most recent filing shows the insider sold $3.8M of WMB on May 7, 2026. Across all open-market trades the lifetime net is −$3.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $14.2M 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.
$14.17M
1
21
-$3.77M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| WMB | EVP & CFO | 196,567 | $72.08 | $14.17M | -$3.77M | 21 | 2026-05-07 |
Recent Filings
21 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-07 | WMB | Sell (S) | −50,000 | -$3.77M | EDGAR |
| 2026-02-25 | WMB | Mixed | +18,460 | $1.35M | EDGAR |
| 2026-02-23 | WMB | Grant (A) | +20,784 | $1.50M | EDGAR |
| 2026-02-20 | WMB | Grant (A) | — | $0 | EDGAR |
| 2025-02-26 | WMB | Mixed | +22,835 | $1.31M | EDGAR |
| 2025-02-24 | WMB | Grant (A) | +24,808 | $1.45M | EDGAR |
| 2025-02-18 | WMB | Grant (A) | — | $0 | EDGAR |
| 2024-11-19 | WMB | Mixed | +207 | -$9.5K | EDGAR |
| 2024-02-28 | WMB | Mixed | +3,584 | -$352.4K | EDGAR |
| 2024-02-26 | WMB | Mixed | +39,112 | $0 | EDGAR |