GenOn Energy, Inc. (GEN) has 107 open-market insider trades by 28 insiders since 2008. Over the last six months insiders net sold $17.9M. The most active filer is Thomas DiVittorio, EVP and CFO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Peter A. Feld | Dir | — | 1 | $35.4M | 2024-09-10 |
| Ondrej Vlcek | Dir | — | 7 | $28.0M | 2026-09-09 |
| Gerald W. Schwartz | 10% Owner | — | 6 | $26.1M | 2017-08-24 |
| Vincent Pilette | CEOChairmanPres | — | 1 | $9.1M | 2026-05-08 |
| Natalie Marie Derse | CFO | — | 5 | $8.3M | 2026-05-08 |
| Onex Real Estate Holdings III Inc. | 10% Owner | — | 3 | $3.9M | 2017-07-20 |
| David A. Reis | Dir | — | 4 | $2.9M | 2018-11-27 |
| Onex US Principals LP | 10% Owner | — | 5 | $1.9M | 2017-07-12 |
| Nora Denzel | Dir | — | 1 | $1.8M | 2026-09-09 |
| Bryan Seuk Ko | COOCLOSecretary | — | 1 | $1.3M | 2026-09-04 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Bryan Seuk Ko | COO & CLO +1 | Sell | $866K | 2026-09-04 |
| Ondrej Vlcek | Director | Sell | $6.0M | 2026-08-27 |
| Ondrej Vlcek | Director | Sell | $4.4M | 2026-08-25 |
| Ondrej Vlcek | Director | Sell | $1.4M | 2026-08-21 |
| Ondrej Vlcek | Director | Sell | $2.8M | 2026-08-19 |
| Travis Michael Witteveen | — | Sell | $12K | 2026-08-17 |
Companies that share insiders with GEN, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Travis Michael Witteveen | — | Sell | $883K | 2026-08-10 |
| Ondrej Vlcek | Director | Sell | $2.5M | 2026-06-10 |
| John C. Chrystal | Director | Buy | $81K | 2026-06-04 |
| Natalie Marie Derse | CFO | Sell | $19K | 2026-02-17 |
| Ondrej Vlcek | Director | Sell | $6.2M | 2025-12-10 |
| John C. Chrystal | Director | Buy | $136K | 2025-11-13 |
| Bryan Seuk Ko | CLO | Sell | $1.3M | 2025-08-13 |
| John C. Chrystal | Director | Buy | $321K | 2025-08-13 |
| Nora Denzel | Director | Sell | $1.8M | 2025-05-16 |