BNGO's three largest insider shareholders as of May 23, 2026 are Soheil Shams (Chief Informatics Officer, 5.33Mn shares), Christopher P. Stewart (Chief Financial Officer, 281.37K shares), Hannah Mamuszka (Director, 65.79K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| David L Barker | - | 58,364 | 0 | 11 Jul, 2022 |
| R. Erik Holmlin | President And Ceo | 0 | 5,025 | 30 Nov, 2021 |
| Mark Oldakowski | Chief Operating Officer | 895 | 0 | 18 Feb, 2026 |
| Hannah Mamuszka | - | 65,789 | 0 | 14 Jun, 2023 |
| Alka Chaubey | Chief Medical Officer | 644 | 0 | 18 Feb, 2026 |
| Christopher P. Stewart | Chief Financial Officer | 281,373 | 0 | 16 May, 2023 |
| Soheil Shams | Chief Informatics Officer | 5,325,378 | 0 | 20 Oct, 2021 |
| Jonathan V. Dixon | General Counsel | 263 | 0 | 18 Feb, 2026 |
| Gulsen Kama | Chief Financial Officer | 16,000 | 0 | 05 Jun, 2024 |
| Mark Adamchak | Principal Accounting Officer | 260 | 0 | 18 Feb, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 17 Feb, 2026 | Mark Oldakowski | Common Stock | D | 20 | $1.10 | 895 | D | F |
| 17 Feb, 2026 | Alka Chaubey | Common Stock | D | 18 | $1.10 | 644 | D | F |
| 17 Feb, 2026 | Alka Chaubey | Common Stock | D | 18 | $1.10 | 644 | D | F |
| 17 Feb, 2026 | Jonathan V. Dixon | Common Stock | D | 6 | $1.10 | 263 | D | F |
| 17 Feb, 2026 | Jonathan V. Dixon | Common Stock | D | 6 | $1.10 | 263 | D | F |
| 17 Feb, 2026 | Mark Adamchak | Common Stock | D | 3 | $1.10 | 260 | D | F |
| 17 Feb, 2026 | Mark Oldakowski | Common Stock | D | 20 | $1.10 | 895 | D | F |
| 17 Feb, 2026 | R. Erik Holmlin | Common Stock | D | 51 | $1.10 | 1,657 | D | F |
| 02 Feb, 2026 | Alka Chaubey | Stock Option (Right to Buy) | A | 27,737 | $0.00 | 27,737 | D | A |
| 02 Feb, 2026 | Jonathan V. Dixon | Stock Option (Right to Buy) | A | 26,117 | $0.00 | 26,117 | D | A |
| 02 Feb, 2026 | Alka Chaubey | Stock Option (Right to Buy) | A | 27,737 | $0.00 | 27,737 | D | A |
| 02 Feb, 2026 | R. Erik Holmlin | Stock Option (Right to Buy) | A | 69,484 | $0.00 | 69,484 | D | A |
| 02 Feb, 2026 | Mark Adamchak | Stock Option (Right to Buy) | A | 10,890 | $0.00 | 10,890 | D | A |
| 02 Feb, 2026 | Mark Oldakowski | Stock Option (Right to Buy) | A | 27,737 | $0.00 | 27,737 | D | A |
| 02 Feb, 2026 | Jonathan V. Dixon | Stock Option (Right to Buy) | A | 26,117 | $0.00 | 26,117 | D | A |
| 02 Feb, 2026 | Mark Oldakowski | Stock Option (Right to Buy) | A | 27,737 | $0.00 | 27,737 | D | A |
| 11 Sep, 2025 | Mark Oldakowski | Common Stock | D | 59 | $4.06 | 915 | D | F |
| 11 Sep, 2025 | Alka Chaubey | Common Stock | D | 51 | $4.06 | 662 | D | F |
| 11 Sep, 2025 | Mark Oldakowski | Common Stock | D | 59 | $4.06 | 915 | D | F |
| 11 Sep, 2025 | Alka Chaubey | Common Stock | D | 51 | $4.06 | 662 | D | F |