Vista Energy, S.A.B. de C.V's top three insider shareholders as of September 29, 2026 are German Nicanor Losada (Director, 259.20K shares), Susan Segal (Director, 178.98K shares), Pierre Jean Sivignon (Director, 109.50K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | German Nicanor Losada | Director | 255,304 | 3,900 | 259,204 | 40.4% | 15 Jun, 2026 |
| 2 | Susan Segal | Director | 178,983 | 0 | 178,983 | 27.9% | 13 Apr, 2026 |
| 3 | Pierre Jean Sivignon | Director | 109,500 | 0 | 109,500 | 17.1% | 13 Apr, 2026 |
| 4 | Cobian Mauricio Doehner | Director | 57,528 | 0 | 57,528 | 9.0% | 13 Apr, 2026 |
| 5 | Gerard Martellozo | Director | 37,000 | 0 | 37,000 | 5.8% | 13 Apr, 2026 |
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 |
|---|---|---|---|---|---|---|---|---|
| 13 Jul, 2026 | Pinto Pablo Manuel Vera | Chief Financial Officer | Disposed D | 61,861 | $66.30 | $4.10Mn | 0 | Direct |
| 13 Jul, 2026 | Miguel Matias Galuccio | Chief Executive Officer | Disposed D | 281,186 | $66.30 | $18.64Mn | 0 | Direct |
| 13 Jul, 2026 | Alejandro Chernacov | Strategic Planning And Iro | Disposed D | 56,238 | $66.30 | $3.73Mn | 0 | Direct |
| 13 Jul, 2026 | Juan Maria Garoby | Chief Technology Officer | Disposed D | 61,861 | $66.30 | $4.10Mn | 0 | Direct |
| 11 Jun, 2026 | German Nicanor Losada | Director | Disposed J | 3,900 | — | — | 255,304 | Direct |
| 11 Jun, 2026 | German Nicanor Losada | Director | Acquired J | 3,900 | — | — | 3,900 | Indirect |
| 09 Apr, 2026 | Susan Segal | Director | Acquired M | 6,000 | — | — | 178,983 | Direct |
| 09 Apr, 2026 | Gerard Martellozo | Director | Acquired M | 6,000 | — | — | 38,500 | Direct |
| 09 Apr, 2026 | German Nicanor Losada | Director | Acquired M | 6,000 | — | — | 261,304 | Direct |
| 09 Apr, 2026 | Cobian Mauricio Doehner | Director | Acquired M | 6,000 | — | — | 59,628 | Direct |
| 09 Apr, 2026 | Pierre Jean Sivignon | Director | Acquired M | 6,000 | — | — | 111,000 | Direct |
| 09 Apr, 2026 | German Nicanor Losada | Director | Disposed F | 2,100 | $65.08 | $136.67K | 259,204 | Direct |
| 09 Apr, 2026 | Gerard Martellozo | Director | Disposed F | 1,500 | $65.08 | $97.62K | 37,000 | Direct |
| 09 Apr, 2026 | Pierre Jean Sivignon | Director | Disposed F | 1,500 | $65.08 | $97.62K | 109,500 | Direct |
| 09 Apr, 2026 | Cobian Mauricio Doehner | Director | Disposed F | 2,100 | $65.08 | $136.67K | 57,528 | Direct |
| 09 Apr, 2026 | Susan Segal | Director | Disposed M | 6,000 | $0.00 | $0 | 0 | Direct |
| 09 Apr, 2026 | Gerard Martellozo | Director | Disposed M | 6,000 | $0.00 | $0 | 0 | Direct |
| 09 Apr, 2026 | Cobian Mauricio Doehner | Director | Disposed M | 6,000 | $0.00 | $0 | 0 | Direct |
| 09 Apr, 2026 | Pierre Jean Sivignon | Director | Disposed M | 6,000 | $0.00 | $0 | 0 | Direct |
| 09 Apr, 2026 | German Nicanor Losada | Director | Disposed M | 6,000 | $0.00 | $0 | 0 | Direct |