Updated Jul 16, 2026 · Last SEC filing 2026-06-04
Bionano Genomics, Inc. (BNGO) has filed 9 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-04. 6 Form 8-K material event filings were reported by BNGO in the last 90 days. InsiderAlpha tracks every BNGO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001411690 |
|---|
| Form 4 filings (90d) | 9 |
|---|---|
| Form 8-K filings (90d) | 6 |
| Latest Form 4 filing | 2026-06-04 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| OLDAKOWSKI MARK | CHIEF OPERATING OFFICER | F — Tax withholding / forfeiture | 27 | $1.30 | $35 | SEC | |
| Chaubey Alka | CHIEF MEDICAL OFFICER | F — Tax withholding / forfeiture | 24 | $1.30 | $31 | SEC | |
| Adamchak Mark | Principal Accounting Officer | F — Tax withholding / forfeiture | 7 | $1.30 | $9 | SEC | |
| Dixon Jonathan V. | GENERAL COUNSEL | F — Tax withholding / forfeiture | 24 | $1.30 | $31 | SEC | |
| Holmlin R. Erik | PRESIDENT AND CEO | F — Tax withholding / forfeiture | 51 | $1.10 | $56 | SEC | |
| OLDAKOWSKI MARK | CHIEF OPERATING OFFICER | F — Tax withholding / forfeiture | 20 | $1.10 | $22 | SEC | |
| Chaubey Alka | CHIEF MEDICAL OFFICER | F — Tax withholding / forfeiture | 18 | $1.10 | $20 | SEC | |
| Adamchak Mark | Principal Accounting Officer | F — Tax withholding / forfeiture | 3 | $1.10 | $3 | SEC | |
| Dixon Jonathan V. | GENERAL COUNSEL | F — Tax withholding / forfeiture | 6 | $1.10 | $7 | SEC | |
| OLDAKOWSKI MARK | Chief Operating Officer | F — Tax withholding / forfeiture | 59 | $4.06 | $240 | SEC | |
| Chaubey Alka | Chief Medical Officer | F — Tax withholding / forfeiture | 51 | $4.06 | $207 | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Bionano Genomics, Inc. (BNGO). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| OLDAKOWSKI MARK | 1 | $35 |
| Chaubey Alka | 1 | $31 |
| BARKER DAVID L | 1 | — |
| TWOMEY CHRISTOPHER J | 1 | — |
| Adamchak Mark | 1 | $9 |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in BNGO insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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