HARVARD BIOSCIENCE INC — SC 13D/A Filings
6 SC 13D/A filings on record
This page lists all SC 13D/A 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 6 SC 13D/A 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 |
|---|---|---|---|---|
| SC 13D/A | AMENDMENT NO. 4 TO THE SCHEDULE 13D | 0000921895-20-001818 | Jun 22, 2020 | — |
| SC 13D/A | AMENDMENT NO. 3 TO THE SCHEDULE 13D | 0000921895-20-001663 | Jun 1, 2020 | — |
| SC 13D/A | — | 0000921895-20-001024 | Apr 6, 2020 | — |
| SC 13D/A | AMENDMENT NO. 1 TO THE SCHEDULE 13D | 0000921895-20-000592 | Feb 19, 2020 | — |
| SC 13D/A | SCHEDULE 13D/A- HARVARD BIOSCIENCE, INC. | 0000929638-08-000320 | May 20, 2008 | — |
| SC 13D/A | SCHEDULE 13D/A- HARVARD BIOSCIENCE, INC. | 0000929638-07-000725 | Dec 14, 2007 | — |