HARVARD BIOSCIENCE INC - HBIO
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 22
Latest filed: Apr 01, 2026
| Form | Count |
|---|---|
| 8-K | 11 |
| 4 | 8 |
| SCHEDULE 13G/A | 2 |
| SCHEDULE 13D | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Apr 01, 2026 | 4 | Mar 20, 2026 | 0001171843-26-002156 | View |
| Apr 01, 2026 | 4 | Mar 16, 2026 | 0001171843-26-002155 | View |
| Mar 23, 2026 | SCHEDULE 13D | — | 0001171843-26-001839 | View |
| Mar 23, 2026 | 4 | Mar 20, 2026 | 0001171843-26-001843 | View |
| Mar 18, 2026 | 4 | Mar 16, 2026 | 0001171843-26-001689 | View |
| Mar 18, 2026 | 4 | Mar 17, 2026 | 0001171843-26-001732 | View |
| Mar 17, 2026 | 4 | Mar 16, 2026 | 0001171843-26-001645 | View |
| Mar 17, 2026 | 8-K | Mar 17, 2026 | 0001171843-26-001614 | View |
| Mar 12, 2026 | 8-K | Mar 12, 2026 | 0001171843-26-001504 | View |
| Mar 10, 2026 | 8-K | Mar 06, 2026 | 0001171843-26-001447 | View |
| Mar 06, 2026 | 8-K | Mar 06, 2026 | 0001171843-26-001384 | View |
| Feb 12, 2026 | SCHEDULE 13G/A | — | 0001019432-26-000003 | View |
| Feb 10, 2026 | 8-K | Feb 10, 2026 | 0001171843-26-000721 | View |
| Jan 29, 2026 | 8-K | Jan 23, 2026 | 0001171843-26-000516 | View |
| Jan 20, 2026 | 8-K | Jan 19, 2026 | 0001171843-26-000343 | View |
| Jan 12, 2026 | 8-K | Jan 12, 2026 | 0001171843-26-000203 | View |
| Dec 30, 2025 | 4 | Dec 17, 2025 | 0001171843-25-008127 | View |
| Dec 17, 2025 | 8-K | Dec 17, 2025 | 0001171843-25-007972 | View |
| Dec 05, 2025 | 8-K | Dec 05, 2025 | 0001171843-25-007776 | View |
| Nov 06, 2025 | 8-K | Nov 06, 2025 | 0001171843-25-007071 | View |
| Nov 03, 2025 | SCHEDULE 13G/A | — | 0001019432-25-000028 | View |
| Oct 07, 2025 | 4 | Sep 05, 2025 | 0001171843-25-006325 | View |