HARVARD BIOSCIENCE INC — All Filings
1,002 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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 |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0001019432-25-000020 | May 30, 2025 | — |
| SD | FORM SD | 0001171843-25-003465 | May 27, 2025 | — |
| SCHEDULE 13G/A | — | 0001641172-25-010912 | May 15, 2025 | — |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-048458 | May 14, 2025 | May 12, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-048461 | May 14, 2025 | May 12, 2025 |
| SCHEDULE 13G/A | — | 0001019432-25-000018 | May 14, 2025 | — |
| 10-Q | FORM 10-Q | 0001171843-25-003093 | May 12, 2025 | Mar 31, 2025 |
| 8-K | FORM 8-K | 0001171843-25-003044 | May 12, 2025 | — |
| SCHEDULE 13G/A | — | 0001941040-25-000268 | May 8, 2025 | — |
| ARS | FORM ARS | 0001171843-25-002386 | Apr 22, 2025 | Dec 31, 2024 |
| DEF 14A | FORM DEF 14A | 0001171843-25-002341 | Apr 21, 2025 | Jun 2, 2025 |
| DEFA14A | DEFA14A | 0001171843-25-002342 | Apr 21, 2025 | — |
| 8-K | FORM 8-K | 0001171843-25-002238 | Apr 16, 2025 | Apr 10, 2025 |
| 8-K | FORM 8-K | 0001171843-25-002149 | Apr 10, 2025 | — |
| SCHEDULE 13G/A | — | 0001019432-25-000017 | Apr 8, 2025 | — |
| SCHEDULE 13G/A | — | 0001398344-25-006726 | Apr 7, 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 |
| SCHEDULE 13G | — | 0001019432-25-000015 | Mar 17, 2025 | — |
| 10-K | FORM 10-K | 0001171843-25-001472 | Mar 14, 2025 | Dec 31, 2024 |
| 8-K | FORM 8-K | 0001171843-25-001416 | Mar 12, 2025 | Mar 10, 2025 |
| 8-K | FORM 8-K | 0001171843-25-001422 | Mar 12, 2025 | — |
| SCHEDULE 13G | — | 0001941040-25-000108 | Feb 10, 2025 | — |
| SCHEDULE 13G/A | — | 0001019432-25-000006 | Feb 4, 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 |
| EFFECT | — | 9999999995-24-003932 | Dec 27, 2024 | — |
| CORRESP | — | 0001213900-24-112749 | Dec 26, 2024 | — |
| UPLOAD | — | 0000000000-24-013687 | Dec 12, 2024 | — |
| S-3 | REGISTRATION STATEMENT | 0001213900-24-106209 | Dec 6, 2024 | — |
| SC 13G/A | HARVARD BIOSCIENCE INC | 0000902664-24-006571 | Nov 14, 2024 | — |
| 10-Q | FORM 10-Q | 0001171843-24-006181 | Nov 8, 2024 | Sep 30, 2024 |
| 8-K | FORM 8-K | 0001171843-24-006086 | Nov 7, 2024 | — |
| 10-Q | FORM 10-Q | 0001171843-24-004564 | Aug 8, 2024 | Jun 30, 2024 |
| 8-K | FORM 8-K | 0001171843-24-004562 | Aug 8, 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 |
| SD | FORM SD | 0001171843-24-003156 | May 29, 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 | OWNERSHIP DOCUMENT | 0000921895-24-001307 | May 23, 2024 | May 21, 2024 |
| 8-K | FORM 8-K | 0001171843-24-002878 | May 14, 2024 | — |
| 8-K | FORM 8-K | 0001171843-24-002591 | May 7, 2024 | — |
| 10-Q | FORM 10-Q | 0001171843-24-002618 | May 7, 2024 | Mar 31, 2024 |
| 8-K | FORM 8-K | 0001171843-24-001791 | Apr 3, 2024 | Mar 28, 2024 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001171843-24-001813 | Apr 3, 2024 | May 14, 2024 |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001171843-24-001814 | Apr 3, 2024 | — |
| ARS | FORM ARS | 0001171843-24-001817 | Apr 3, 2024 | Dec 31, 2023 |