HARVARD BIOSCIENCE INC — 4 Filings
563 4 filings on record
This page lists all 4 filings submitted to the SEC by HARVARD BIOSCIENCE INC (HBIO), sorted by most recent first. Each row links to the full filing on EdgarLookup. HARVARD BIOSCIENCE INC has filed 563 4 documents with the SEC since 2007. To view all SEC filings by HARVARD BIOSCIENCE INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
3
3/A
4
4/A
424B3
424B4
425
5
5/A
8-A12B
8-A12B/A
8-A12G
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
PRE 14A
S-1
S-1/A
S-3
S-3/A
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | — | 0001171843-26-001843 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | — | 0001171843-26-001689 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | — | 0001171843-26-001732 | Mar 18, 2026 | Mar 17, 2026 |
| 4 | — | 0001171843-26-001645 | Mar 17, 2026 | Mar 16, 2026 |
| 4 | — | 0001171843-25-008127 | Dec 30, 2025 | Dec 17, 2025 |
| 4 | — | 0001171843-25-006325 | Oct 7, 2025 | Sep 5, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-080209 | Aug 19, 2025 | Aug 15, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-076302 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-070938 | Jul 25, 2025 | Jul 16, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-069051 | Jul 18, 2025 | Jul 16, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-069048 | Jul 18, 2025 | Jul 16, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-048461 | May 14, 2025 | May 12, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-026702 | Mar 21, 2025 | Mar 19, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-026705 | Mar 21, 2025 | Mar 19, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-25-000025 | Jan 3, 2025 | Dec 31, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-003051 | Dec 31, 2024 | Dec 29, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-003052 | Dec 31, 2024 | Dec 29, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-001418 | Jun 14, 2024 | Jun 13, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-001362 | Jun 7, 2024 | Jun 6, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-001307 | May 23, 2024 | May 21, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-001304 | May 23, 2024 | May 21, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-001305 | May 23, 2024 | May 21, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-001306 | May 23, 2024 | May 21, 2024 |
| 4 | — | 0001193805-24-000333 | Mar 7, 2024 | Mar 5, 2024 |
| 4 | — | 0001193805-24-000334 | Mar 7, 2024 | Mar 5, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-000043 | Jan 3, 2024 | Dec 29, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-24-000042 | Jan 3, 2024 | Dec 29, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-002050 | Aug 21, 2023 | Aug 17, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-001485 | Jun 13, 2023 | Jun 11, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-001329 | May 23, 2023 | May 22, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-001330 | May 23, 2023 | May 22, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-001327 | May 23, 2023 | May 22, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-001328 | May 23, 2023 | May 22, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-000702 | Mar 16, 2023 | Mar 14, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-000690 | Mar 15, 2023 | Mar 14, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-000667 | Mar 8, 2023 | Mar 6, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-000668 | Mar 8, 2023 | Mar 6, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-000013 | Jan 3, 2023 | Dec 29, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-23-000012 | Jan 3, 2023 | Dec 29, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-003154 | Dec 2, 2022 | Nov 30, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002653 | Sep 15, 2022 | Sep 6, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002574 | Aug 29, 2022 | Aug 26, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002553 | Aug 26, 2022 | Aug 24, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002529 | Aug 24, 2022 | Aug 22, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002509 | Aug 22, 2022 | Aug 18, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002497 | Aug 18, 2022 | Aug 17, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002258 | Jul 20, 2022 | Jul 18, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002223 | Jul 12, 2022 | Jul 8, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-002024 | Jun 17, 2022 | Jun 15, 2022 |
| 4 | OWNERSHIP DOCUMENT | 0000921895-22-001987 | Jun 14, 2022 | Jun 11, 2022 |