Bionano Genomics, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| OLDAKOWSKI MARK | Chief Operating Officer | Tax Withholding | 59 | $4.06 | $240 | 915 | Sep 11, 2025 |
| OLDAKOWSKI MARK | Chief Operating Officer | Tax Withholding | 59 | $4.06 | $240 | 915 | Sep 11, 2025 |
| Chaubey Alka | Chief Medical Officer | Tax Withholding | 51 | $4.06 | $207 | 662 | Sep 11, 2025 |
| OLDAKOWSKI MARK | Chief Operating Officer | Tax Withholding | 27 | $3.69 | $100 | 974 | Jun 3, 2025 |
| Adamchak Mark | Principal Accounting Officer | Tax Withholding | 7 | $3.69 | $26 | 263 | Jun 3, 2025 |
| Chaubey Alka | Chief Medical Officer | Tax Withholding | 24 | $3.69 | $89 | 713 | Jun 3, 2025 |
| Holmlin R. Erik | President and CEO | Tax Withholding | 75 | $3.69 | $277 | 1,708 | Jun 3, 2025 |
| Dixon Jonathan V. | General Counsel | Tax Withholding | 25 | $3.69 | $92 | 269 | Jun 3, 2025 |
| Holmlin R. Erik | President and CEO | Tax Withholding | 198 | $3.47 | $687 | 1,783 | Mar 14, 2025 |
| OLDAKOWSKI MARK | Chief Operating Officer | Tax Withholding | 20 | $5.73 | $115 | 1,001 | Feb 15, 2025 |
| Dixon Jonathan V. | General Counsel | Tax Withholding | 6 | $5.73 | $34 | 294 | Feb 15, 2025 |
| Holmlin R. Erik | President and CEO | Tax Withholding | 51 | $5.73 | $292 | 1,981 | Feb 15, 2025 |
| Chaubey Alka | Chief Medical Officer | Tax Withholding | 18 | $5.73 | $103 | 737 | Feb 15, 2025 |
| Adamchak Mark | Principal Accounting Officer | Tax Withholding | 4 | $5.73 | $23 | 270 | Feb 15, 2025 |
| OLDAKOWSKI MARK | Chief Operating Officer | Tax Withholding | 3,568 | $0.48 | $1,713 | 61,283 | Sep 11, 2024 |
| Chaubey Alka | Chief Medical Officer | Tax Withholding | 3,075 | $0.48 | $1,476 | 45,323 | Sep 11, 2024 |
| OLDAKOWSKI MARK | CHIEF OPERATING OFFICER | Award / Grant | 16,000 | — | — | 64,698 | Jun 3, 2024 |
| Kama Gulsen | Chief Financial Officer | Award / Grant | 16,000 | — | — | 16,000 | Jun 3, 2024 |
| Holmlin R. Erik | PRESIDENT AND CEO | Award / Grant | 44,000 | — | — | 121,813 | Jun 3, 2024 |
| Dixon Jonathan V. | GENERAL COUNSEL | Award / Grant | 14,500 | — | — | 18,025 | Jun 3, 2024 |
| Chaubey Alka | CHIEF MEDICAL OFFICER | Award / Grant | 16,000 | — | — | 48,245 | Jun 3, 2024 |
| Chaubey Alka | CHIEF MEDICAL OFFICER | Tax Withholding | 1,081 | $1.27 | $1,373 | 31,487 | Feb 15, 2024 |
| OLDAKOWSKI MARK | CHIEF OPERATING OFFICER | Tax Withholding | 1,229 | $1.27 | $1,561 | 48,644 | Feb 15, 2024 |
| Holmlin R. Erik | PRESIDENT AND CEO | Tax Withholding | 3,073 | $1.27 | $3,903 | 77,663 | Feb 15, 2024 |
| Dixon Jonathan V. | GENERAL COUNSEL | Tax Withholding | 402 | $1.27 | $511 | 3,525 | Feb 15, 2024 |
| OLDAKOWSKI MARK | Chief Operating Officer | Award / Grant | 20,000 | — | — | 317,842 | Sep 18, 2023 |
| Chaubey Alka | Chief Medical Officer | Award / Grant | 20,000 | — | — | 144,794 | Sep 18, 2023 |
| Mamuszka Hannah | — | Purchase | 65,789 | $0.76 | $50,000 | 65,789 | Jun 13, 2023 |
| Holmlin R. Erik | President and CEO | Purchase | 15,000 | $0.64 | $9,600 | 806,474 | May 16, 2023 |
| Stewart Christopher P. | Chief Financial Officer | Purchase | 50,000 | $0.67 | $33,500 | 281,373 | May 12, 2023 |
| OLDAKOWSKI MARK | Chief Operating Officer | Tax Withholding | 41,496 | $0.66 | $27,387 | 297,842 | May 12, 2023 |
| Holmlin R. Erik | President and CEO | Tax Withholding | 50,141 | $0.66 | $33,093 | 791,474 | May 12, 2023 |
| Holmlin R. Erik | President and CEO | Award / Grant | 300,000 | — | — | 841,615 | Feb 15, 2023 |
| OLDAKOWSKI MARK | Chief Operating Officer | Award / Grant | 120,000 | — | — | 339,338 | Feb 15, 2023 |
| Chaubey Alka | Chief Medical Officer | Award / Grant | 120,000 | — | — | 124,794 | Feb 15, 2023 |
| Stewart Christopher P. | Chief Financial Officer | Award / Grant | 105,000 | — | — | 231,373 | Feb 15, 2023 |
| Linney Yvonne | — | Sale | 20,000 | $3.62 | $72,400 | — | Aug 15, 2022 |
| BARKER DAVID L | — | Option Exercise | 44,470 | $0.51 | $22,680 | 58,364 | Jul 7, 2022 |
| BARKER DAVID L | — | Purchase | 10,000 | $1.60 | $16,000 | 13,894 | May 16, 2022 |
| Stewart Christopher P. | Chief Financial Officer | Option Exercise | 60,000 | $0.56 | $33,600 | 121,579 | May 13, 2022 |
| OLDAKOWSKI MARK | Chief Operating Officer | Tax Withholding | 41,496 | $1.41 | $58,509 | 216,669 | May 12, 2022 |
| Holmlin R. Erik | President and CEO | Tax Withholding | 50,141 | $1.41 | $70,699 | 538,556 | May 12, 2022 |
| Shams Soheil | Chief Informatics Officer | Gift | 318,899 | — | — | 5,006,479 | Dec 30, 2021 |
| Holmlin R. Erik | President and CEO | Purchase | 2,675 | $3.99 | $10,673 | 4,875 | Nov 29, 2021 |
| Stewart Christopher P. | Chief Financial Officer | Option Exercise | 22,500 | $0.56 | $12,600 | 55,500 | Nov 19, 2021 |
| Shams Soheil | Chief Informatics Officer | Award / Grant | 5,325,378 | — | — | 5,325,378 | Oct 18, 2021 |
| Stewart Christopher P. | Chief Financial Officer | Option Exercise | 25,000 | $0.56 | $14,000 | 33,000 | May 26, 2021 |
| Holmlin R. Erik | President and CEO | Award / Grant | 290,000 | — | — | 295,191 | May 12, 2021 |
| OLDAKOWSKI MARK | Chief Operating Officer | Award / Grant | 240,000 | — | — | 252,086 | May 12, 2021 |
| Stewart Christopher P. | Chief Financial Officer | Award / Grant | 8,000 | $6.00 | $48,000 | 8,000 | Jan 22, 2021 |