Expion Energy's top three insider shareholders as of September 09, 2026 are John Henry Yozamp (Chief Executive Officer, 1.80Mn shares), John Henry Yozamp (Business Development Officer, 1.69Mn shares), Paul Thomas Shoun (Chief Operating Officer, 337.47K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | John Henry Yozamp | Business Development Officer | 3,488,469 | 0 | 3,488,469 | 84.3% | 06 Jun, 2024 |
| 2 | Paul Thomas Shoun | President | 356,196 | 0 | 356,196 | 8.6% | 10 Apr, 2025 |
| 3 | Carson E. Heagen | Chief Operating Officer | 148,925 | 0 | 148,925 | 3.6% | 20 Nov, 2025 |
| 4 | Kevin Sellers | Chief Executive Officer | 50,000 | 0 | 50,000 | 1.2% | 31 Aug, 2026 |
| 5 | Robert L Winspear | Chief Financial Officer | 30,000 | 0 | 30,000 | 0.7% | 31 Aug, 2026 |
| 6 | Shawna Lee Bowin | Vp, Finance | 19,615 | 0 | 19,615 | 0.5% | 25 Aug, 2026 |
| 7 | Brian Paul Schaffner | Ceo And Interim Cfo | 18,379 | 0 | 18,379 | 0.4% | 25 Aug, 2026 |
| 8 | Scott R Burell | Director | 8,333 | 0 | 8,333 | 0.2% | 25 Aug, 2026 |
| 9 | Steve Shum | Director | 5,876 | 0 | 5,876 | 0.1% | 25 Aug, 2026 |
| 10 | George Lefevre | Director | 5,868 | 0 | 5,868 | 0.1% | 25 Aug, 2026 |
| 11 | Tien Quoc Nguyen | Director | 5,843 | 0 | 5,843 | 0.1% | 25 Aug, 2026 |
| 12 | Gregory Scott Aydelott | Chief Financial Officer | 657 | 0 | 657 | 0.0% | 17 Jan, 2024 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 25 Aug, 2026 | Robert L Winspear | Chief Financial Officer | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 21 Aug, 2026 | Kevin Sellers | Chief Executive Officer | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 13 Aug, 2026 | George Lefevre | Director | Acquired A | 5,000 | $0.00 | $0 | 5,868 | Direct |
| 13 Aug, 2026 | Brian Paul Schaffner | Director | Acquired A | 5,000 | $0.00 | $0 | 18,379 | Direct |
| 13 Aug, 2026 | Brian Paul Schaffner | Director | Acquired A | 5,000 | $0.00 | $0 | 18,379 | Direct |
| 13 Aug, 2026 | Shawna Lee Bowin | Vp, Finance | Acquired A | 10,514 | $0.00 | $0 | 19,615 | Direct |
| 13 Aug, 2026 | George Lefevre | Director | Acquired A | 5,000 | $0.00 | $0 | 5,868 | Direct |
| 13 Aug, 2026 | Tien Quoc Nguyen | Director | Acquired A | 5,000 | $0.00 | $0 | 5,843 | Direct |
| 21 Aug, 2026 | Joseph D Hammer | Former Chief Executive Officer | Acquired P | 4,500 | $4,500,000.00 | $20.25Bn | 4,500 | Indirect |
| 13 Aug, 2026 | Steve Shum | Director | Acquired A | 5,000 | $0.00 | $0 | 5,876 | Direct |
| 13 Aug, 2026 | Steve Shum | Director | Acquired A | 5,000 | $0.00 | $0 | 5,876 | Direct |
| 13 Aug, 2026 | Tien Quoc Nguyen | Director | Acquired A | 5,000 | $0.00 | $0 | 5,843 | Direct |
| 13 Aug, 2026 | Scott R Burell | Director | Acquired A | 5,000 | $0.00 | $0 | 8,333 | Direct |
| 21 Aug, 2026 | Joseph D Hammer | Former Chief Executive Officer | Acquired P | 1,058,609 | $0.00 | $0 | 1,058,609 | Indirect |
| 16 Oct, 2025 | Brian Paul Schaffner | Director | Acquired A | 100,000 | $0.00 | $0 | 160,493 | Direct |
| 16 Oct, 2025 | Brian Paul Schaffner | Director | Acquired A | 100,000 | $0.00 | $0 | 160,493 | Direct |
| 16 Oct, 2025 | Brian Paul Schaffner | Director | Acquired A | 100,000 | $0.00 | $0 | 134 | Direct |
| 16 Oct, 2025 | Carson E. Heagen | Chief Operating Officer | Acquired A | 100,000 | $0.00 | $0 | 148,925 | Direct |
| 16 Oct, 2025 | Carson E. Heagen | Chief Operating Officer | Acquired A | 100,000 | $0.00 | $0 | 124 | Direct |
| 16 Oct, 2025 | Brian Paul Schaffner | Director | Acquired A | 100,000 | $0.00 | $0 | 160,493 | Direct |