Coherus Oncology's top three insider shareholders as of September 09, 2026 are Dennis M Lanfear (President Ceo, 1.05Mn shares), Dennis M Lanfear (President Ceo, 1.05Mn shares), Dennis M Lanfear (President Ceo, 432.68K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Dennis M Lanfear | President Ceo | 1,048,235 | 0 | 1,048,235 | 64.1% | 26 Jan, 2026 |
| 2 | Bryan J Mcmichael | Chief Financial Officer | 133,736 | 0 | 133,736 | 8.2% | 26 Jan, 2026 |
| 3 | Vladimir Vexler | Chief Scientific Officer | 116,361 | 0 | 116,361 | 7.1% | 04 Apr, 2023 |
| 4 | Paul Reider | Chief Commercial Officer | 82,069 | 0 | 82,069 | 5.0% | 22 Jan, 2025 |
| 5 | Mcdavid Stilwell | Chief Financial Officer | 75,305 | 0 | 75,305 | 4.6% | 03 Jan, 2024 |
| 6 | Ali J. Satvat | Director | 30,000 | 0 | 30,000 | 1.8% | 09 Jun, 2026 |
| 7 | Charles W. Newton | Director | 30,000 | 0 | 30,000 | 1.8% | 09 Jun, 2026 |
| 8 | Jill O'Donnell-Tormey | Director | 30,000 | 0 | 30,000 | 1.8% | 09 Jun, 2026 |
| 9 | Rita A Karachun | Director | 30,000 | 0 | 30,000 | 1.8% | 09 Jun, 2026 |
| 10 | Mats Wahlstrom | Director | 30,000 | 0 | 30,000 | 1.8% | 09 Jun, 2026 |
| 11 | Michael Lee Ryan | Director | 30,000 | 0 | 30,000 | 1.8% | 09 Jun, 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 |
|---|---|---|---|---|---|---|---|---|
| 05 Jun, 2026 | Rita A Karachun | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 05 Jun, 2026 | Lee Nisley Newcomer | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 05 Jun, 2026 | Mats Wahlstrom | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 05 Jun, 2026 | Charles W. Newton | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 05 Jun, 2026 | Ali J. Satvat | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 05 Jun, 2026 | Jill O'Donnell-Tormey | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 05 Jun, 2026 | Michael Lee Ryan | Director | Acquired A | 30,000 | $0.00 | $0 | 30,000 | Direct |
| 05 Jun, 2026 | Charles W. Newton | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 05 Jun, 2026 | Jill O'Donnell-Tormey | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 05 Jun, 2026 | Mats Wahlstrom | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 05 Jun, 2026 | Lee Nisley Newcomer | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 05 Jun, 2026 | Michael Lee Ryan | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 05 Jun, 2026 | Rita A Karachun | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 05 Jun, 2026 | Ali J. Satvat | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 29 May, 2026 | Bryan J Mcmichael | Chief Financial Officer | Disposed D | 100,000 | — | — | 0 | Direct |
| 29 May, 2026 | Dennis M Lanfear | President Ceo | Disposed D | 200,000 | — | — | 0 | Direct |
| 29 May, 2026 | Dennis M Lanfear | President Ceo | Disposed D | 400,000 | — | — | 0 | Direct |
| 29 May, 2026 | Bryan J Mcmichael | Chief Financial Officer | Disposed D | 25,000 | — | — | 0 | Direct |
| 29 May, 2026 | Dennis M Lanfear | President Ceo | Disposed D | 450,000 | — | — | 0 | Direct |
| 29 May, 2026 | Bryan J Mcmichael | Chief Financial Officer | Disposed D | 15,000 | — | — | 0 | Direct |