Mailing Address 84 OCTOBER HILL ROAD HOLLISTON MA 01746
Business Address 84 OCTOBER HILL RD HOLLISTON MA 01746 5088938999
HARVARD BIOSCIENCE INC CIK#: 0001123494 (see all company filings)

SIC: 3826 - LABORATORY ANALYTICAL INSTRUMENTS
State location: MA | State of Inc.: DE | Fiscal Year End: 1231
(CF Office: 08 Industrial Applications and Services)
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Items 1 - 40  0001123494 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001104659-25-026705 Size: 5 KB
2025-03-21
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001104659-25-026702 Size: 5 KB
2025-03-21
SCHEDULE 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001019432-25-000015 (34 Act)  Size: 7 KB
2025-03-17 005-60603
25742884
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001171843-25-001472 (34 Act)  Size: 11 MB
2025-03-14 001-33957
25737319
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-25-001422 (34 Act)  Size: 421 KB
2025-03-12 001-33957
25729963
8-K  Documents   Interactive Data Current report, items 1.01, 8.01, and 9.01
Acc-no: 0001171843-25-001416 (34 Act)  Size: 68 MB
2025-03-12 001-33957
25729620
SCHEDULE 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001941040-25-000108 (34 Act)  Size: 6 KB
2025-02-10 005-60603
25606444
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001019432-25-000006 (34 Act)  Size: 7 KB
2025-02-04 005-60603
25585991
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-25-000025 Size: 5 KB
2025-01-03
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-24-003052 Size: 6 KB
2024-12-31
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-24-003051 Size: 7 KB
2024-12-31
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-24-003932 (33 Act)  Size: 1 KB
2024-12-27 333-283637
241586815
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001213900-24-112749 Size: 6 KB
2024-12-26
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-24-013687 Size: 40 KB
2024-12-12 333-283637
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0001213900-24-106209 (33 Act)  Size: 280 KB
2024-12-06 333-283637
241530549
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000902664-24-006571 (34 Act)  Size: 61 KB
2024-11-14 005-60603
241459427
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-24-006181 (34 Act)  Size: 7 MB
2024-11-08 001-33957
241441391
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-24-006086 (34 Act)  Size: 436 KB
2024-11-07 001-33957
241433070
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-24-004564 (34 Act)  Size: 8 MB
2024-08-08 001-33957
241186286
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-24-004562 (34 Act)  Size: 393 KB
2024-08-08 001-33957
241186223
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-24-001418 Size: 5 KB
2024-06-14
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-24-001362 Size: 5 KB
2024-06-07
SD  Documents Specialized disclosure report
Acc-no: 0001171843-24-003156 (34 Act)  Size: 52 KB
2024-05-29 001-33957
24999430
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-24-001307 Size: 5 KB
2024-05-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-24-001306 Size: 5 KB
2024-05-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-24-001305 Size: 5 KB
2024-05-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000921895-24-001304 Size: 5 KB
2024-05-23
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001171843-24-002878 (34 Act)  Size: 198 KB
2024-05-14 001-33957
24945809
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-24-002618 (34 Act)  Size: 6 MB
2024-05-07 001-33957
24923010
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-24-002591 (34 Act)  Size: 381 KB
2024-05-07 001-33957
24919530
ARS  Documents Annual Report to Security Holders
Acc-no: 0001171843-24-001817 (34 Act)  Size: 3 MB
2024-04-03 001-33957
24819705
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001171843-24-001814 (34 Act)  Size: 2 MB
2024-04-03 001-33957
24819641
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001171843-24-001813 (34 Act)  Size: 1 MB
2024-04-03 001-33957
24819608
8-K  Documents   Interactive Data Current report, items 1.01, 8.01, and 9.01
Acc-no: 0001171843-24-001791 (34 Act)  Size: 251 KB
2024-04-03 001-33957
24816888
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001171843-24-001609 (34 Act)  Size: 189 KB
2024-03-26 001-33957
24784478
SC 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001019432-24-000011 (34 Act)  Size: 9 KB
2024-03-19 005-60603
24761896
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001171843-24-001239 (34 Act)  Size: 10 MB
2024-03-07 001-33957
24731053
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001193805-24-000334 Size: 8 KB
2024-03-07
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001193805-24-000333 Size: 7 KB
2024-03-07
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-24-001222 (34 Act)  Size: 445 KB
2024-03-07 001-33957
24728116