SEC Seal
SEC Banner
EDGAR USA Search
EDGAR Search Results
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)
Get insider transactions for this issuer.
Get insider transactions for this reporting owner.

Filter Results
Search Within Files

(YYYYMMDD)
Ownership?


Enter keywords
Items 1 - 40  0001123494 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
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 acquisition of beneficial ownership by individuals
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
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
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001493152-24-006610 (34 Act)  Size: 65 KB
2024-02-14 005-60603
24637734
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001398344-24-002890 (34 Act)  Size: 77 KB
2024-02-14 005-60603
24632767
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000902664-24-001582 (34 Act)  Size: 63 KB
2024-02-14 005-60603
24632659
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000921895-24-000385 Size: 60 KB
2024-02-13
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-004875 (34 Act)  Size: 13 KB
2024-01-26 005-60603
24569237
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001019432-24-000002 (34 Act)  Size: 10 KB
2024-01-22 005-60603
24547439
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001171843-24-000099 (34 Act)  Size: 1 MB
2024-01-05 001-33957
24517379
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-23-006831 (34 Act)  Size: 6 MB
2023-11-07 001-33957
231384734
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-23-006794 (34 Act)  Size: 446 KB
2023-11-07 001-33957
231381493
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001019432-23-000008 (34 Act)  Size: 9 KB
2023-08-28 005-60603
231214679
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-008957 Size: 39 KB
2023-08-16
CORRESP  Documents [Cover]Correspondence
Acc-no: 0000921895-23-001857 Size: 14 KB
2023-08-09
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-23-005113 (34 Act)  Size: 6 MB
2023-08-08 001-33957
231152417
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-23-005063 (34 Act)  Size: 408 KB
2023-08-08 001-33957
231149559
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-008127 Size: 41 KB
2023-07-28
8-K  Documents   Interactive Data Current report, items 5.02, 8.01, and 9.01
Acc-no: 0001171843-23-003988 (34 Act)  Size: 366 KB
2023-06-20 001-33957
231023461
SD  Documents Specialized disclosure report
Acc-no: 0001171843-23-003647 (34 Act)  Size: 40 KB
2023-05-30 001-33957
23976642
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001171843-23-003310 (34 Act)  Size: 203 KB
2023-05-15 001-33957
23922579
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001171843-23-002581 (34 Act)  Size: 5 MB
2023-04-26 001-33957
23849709
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-23-002499 (34 Act)  Size: 329 KB
2023-04-25 001-33957
23841796
ARS  Documents Annual Report to Security Holders
Acc-no: 0001171843-23-002203 (34 Act)  Size: 1 MB
2023-04-07 001-33957
23809034
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001171843-23-002149 (34 Act)  Size: 945 KB
2023-04-05 001-33957
23801250
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001171843-23-001638 (34 Act)  Size: 194 KB
2023-03-13 001-33957
23728337
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001171843-23-001577 (34 Act)  Size: 194 KB
2023-03-10 001-33957
23721662
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001171843-23-001566 (34 Act)  Size: 10 MB
2023-03-09 001-33957
23720724
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001171843-23-001518 (34 Act)  Size: 372 KB
2023-03-09 001-33957
23718130
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001841077-23-000006 (34 Act)  Size: 224 KB
2023-02-16 005-60603
23638232
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001841077-23-000004 (34 Act)  Size: 238 KB
2023-02-15 005-60603
23636497
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001493152-23-004833 (34 Act)  Size: 56 KB
2023-02-14 005-60603
23628808
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001398344-23-003028 (34 Act)  Size: 41 KB
2023-02-13 005-60603
23619874
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-019647 (34 Act)  Size: 66 KB
2023-02-13 005-60603
23618070
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001171843-23-000339 (34 Act)  Size: 228 KB
2023-01-19 001-33957
23538048