# Harvard Bioscience Inc: filings

HBIO · Nasdaq · CIK 1123494 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/hbio.md) · [Financials](/companies/hbio/financials.md) · [Filings](/companies/hbio/filings.md) · [Insiders](/companies/hbio/insiders.md)

## Reports and events: 280 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 433, 8-K 173, SC 13G/A 69, 10-Q 53, SC 13G 26, 3 21, DEF 14A 19, 10-K 18, DEFA14A 18, SCHEDULE 13G/A 13, SD 13, 4/A 10, ARS 10, S-8 10, UPLOAD 9, 8-K/A 8, CORRESP 6, EFFECT 4, S-3 4, SC 13D/A 4, 10-K/A 2, 5 2, CT ORDER 2, NT 10-K 2, SCHEDULE 13G 2, 10-Q/A 1, 424B3 1, 5/A 1, 8-A12B/A 1, NT 10-Q 1, PRE 14A 1, S-3/A 1, SC 13D 1, SCHEDULE 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-11 | 16:30 ET | [10-Q](/filings/0001171843-26-005425.md) | Quarterly report, period 2026-06-30 | 0001171843-26-005425 |
| 2026-08-11 | 07:00 ET | [8-K](/filings/0001171843-26-005406.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-26-005406 |
| 2026-08-11 | 07:00 ET | [8-K](/filings/0001171843-26-005405.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-26-005405 |
| 2026-06-02 | 16:01 ET | [8-K](/filings/0001171843-26-003877.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001171843-26-003877 |
| 2026-05-12 | 16:30 ET | [10-Q](/filings/0001171843-26-003311.md) | Quarterly report, period 2026-03-31 | 0001171843-26-003311 |
| 2026-05-12 | 07:30 ET | [8-K](/filings/0001171843-26-003271.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-26-003271 |
| 2026-05-12 | 07:30 ET | [8-K](/filings/0001171843-26-003270.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-26-003270 |
| 2026-04-21 | 16:56 ET | [DEF 14A](/filings/0001171843-26-002617.md) | Proxy statement, period 2026-06-02 | 0001171843-26-002617 |
| 2026-03-23 | 08:00 ET | [SCHEDULE 13D](/filings/0001171843-26-001839.md) | Ownership report, active investor | 0001171843-26-001839 |
| 2026-03-17 | 07:30 ET | [8-K](/filings/0001171843-26-001614.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-26-001614 |
| 2026-03-13 | 08:20 ET | [10-K](/filings/0001171843-26-001548.md) | Annual report, period 2025-12-31 | 0001171843-26-001548 |
| 2026-03-12 | 07:30 ET | [8-K](/filings/0001171843-26-001504.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-26-001504 |
| 2026-03-10 | 07:30 ET | [8-K](/filings/0001171843-26-001447.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001171843-26-001447 |
| 2026-03-06 | 16:01 ET | [8-K](/filings/0001171843-26-001384.md) | 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001171843-26-001384 |
| 2026-02-10 | 07:30 ET | [8-K](/filings/0001171843-26-000721.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-26-000721 |
| 2026-01-30 | 17:15 ET | [DEF 14A](/filings/0001171843-26-000541.md) | Proxy statement, period 2026-03-06 | 0001171843-26-000541 |
| 2026-01-29 | 16:30 ET | [8-K](/filings/0001171843-26-000516.md) | 2.05 Exit or disposal costs; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-26-000516 |
| 2026-01-20 | 16:01 ET | [8-K](/filings/0001171843-26-000343.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001171843-26-000343 |
| 2026-01-12 | 07:30 ET | [8-K](/filings/0001171843-26-000203.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-26-000203 |
| 2025-12-17 | 07:30 ET | [8-K](/filings/0001171843-25-007972.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.03 New direct financial obligation; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001171843-25-007972 |
| 2025-12-05 | 16:30 ET | [8-K](/filings/0001171843-25-007776.md) | 8.01 Other events | 0001171843-25-007776 |
| 2025-11-06 | 16:31 ET | [10-Q](/filings/0001171843-25-007099.md) | Quarterly report, period 2025-09-30 | 0001171843-25-007099 |
| 2025-11-06 | 07:00 ET | [8-K](/filings/0001171843-25-007071.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-25-007071 |
| 2025-10-03 | 08:01 ET | [8-K](/filings/0001171843-25-006260.md) | 3.01 Delisting notice | 0001171843-25-006260 |
| 2025-09-09 | 07:00 ET | [8-K](/filings/0001171843-25-005787.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-25-005787 |
| 2025-08-13 | 16:30 ET | [8-K](/filings/0001171843-25-005377.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001171843-25-005377 |
| 2025-08-11 | 16:30 ET | [10-Q](/filings/0001171843-25-005287.md) | Quarterly report, period 2025-06-30 | 0001171843-25-005287 |
| 2025-08-11 | 16:30 ET | [8-K](/filings/0001171843-25-005288.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001171843-25-005288 |
| 2025-08-11 | 07:01 ET | [8-K](/filings/0001171843-25-005262.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-25-005262 |
| 2025-07-17 | 07:01 ET | [8-K](/filings/0001171843-25-004508.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001171843-25-004508 |
| 2025-06-27 | 16:45 ET | [8-K/A](/filings/0001171843-25-004196.md) | 3.01 Delisting notice; 9.01 Financial statements and exhibits | 0001171843-25-004196 |
| 2025-06-23 | 16:46 ET | [8-K](/filings/0001171843-25-004036.md) | 3.01 Delisting notice; 9.01 Financial statements and exhibits | 0001171843-25-004036 |
| 2025-06-13 | 16:45 ET | [8-K](/filings/0001171843-25-003882.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001171843-25-003882 |
| 2025-06-02 | 17:00 ET | [8-K](/filings/0001171843-25-003574.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001171843-25-003574 |
| 2025-05-12 | 16:46 ET | [10-Q](/filings/0001171843-25-003093.md) | Quarterly report, period 2025-03-31 | 0001171843-25-003093 |
| 2025-05-12 | 07:00 ET | [8-K](/filings/0001171843-25-003044.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-25-003044 |
| 2025-04-21 | 16:45 ET | [DEF 14A](/filings/0001171843-25-002341.md) | Proxy statement, period 2025-06-02 | 0001171843-25-002341 |
| 2025-04-16 | 16:46 ET | [8-K](/filings/0001171843-25-002238.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001171843-25-002238 |
| 2025-04-10 | 16:46 ET | [8-K](/filings/0001171843-25-002149.md) | 3.01 Delisting notice; 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001171843-25-002149 |
| 2025-03-14 | 19:51 ET | [10-K](/filings/0001171843-25-001472.md) | Annual report, period 2024-12-31 | 0001171843-25-001472 |
| 2025-03-12 | 07:00 ET | [8-K](/filings/0001171843-25-001422.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-25-001422 |
| 2025-03-12 | 20:01 ET | [8-K](/filings/0001171843-25-001416.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001171843-25-001416 |
| 2024-11-08 | 16:45 ET | [10-Q](/filings/0001171843-24-006181.md) | Quarterly report, period 2024-09-30 | 0001171843-24-006181 |
| 2024-11-07 | 07:02 ET | [8-K](/filings/0001171843-24-006086.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-24-006086 |
| 2024-08-08 | 09:00 ET | [10-Q](/filings/0001171843-24-004564.md) | Quarterly report, period 2024-06-30 | 0001171843-24-004564 |
| 2024-08-08 | 08:29 ET | [8-K](/filings/0001171843-24-004562.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-24-004562 |
| 2024-05-14 | 17:20 ET | [8-K](/filings/0001171843-24-002878.md) | 5.07 Shareholder vote results | 0001171843-24-002878 |
| 2024-05-07 | 17:00 ET | [10-Q](/filings/0001171843-24-002618.md) | Quarterly report, period 2024-03-31 | 0001171843-24-002618 |
| 2024-05-07 | 07:00 ET | [8-K](/filings/0001171843-24-002591.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-24-002591 |
| 2024-04-03 | 16:45 ET | [DEF 14A](/filings/0001171843-24-001813.md) | Proxy statement, period 2024-05-14 | 0001171843-24-001813 |

Page 1 of 6. [Older](/companies/hbio/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:05 ET. No prices; not investment advice.