# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001104659-21-035666
Filing Date
2021-03-12
Accepted
2021-03-12 17:11:39
Documents
82
Period of Report
2020-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | tm211088d1_10k.htm | 10-K | 728469
2 | EXHIBIT 10.52 | tm211088d1_ex10-52.htm | EX-10.52 | 19821
3 | EXHIBIT 10.53 | tm211088d1_ex10-53.htm | EX-10.53 | 23470
4 | EXHIBIT 10.54 | tm211088d1_ex10-54.htm | EX-10.54 | 16637
5 | EXHIBIT 10.55 | tm211088d1_ex10-55.htm | EX-10.55 | 21490
6 | EXHIBIT 10.56 | tm211088d1_ex10-56.htm | EX-10.56 | 18589
7 | EXHIBIT 21 | tm211088d1_ex21.htm | EX-21 | 6309
8 | EXHIBIT 23.1 | tm211088d1_ex23-1.htm | EX-23.1 | 2982
9 | EXHIBIT 31.1 | tm211088d1_ex31-1.htm | EX-31.1 | 9385
10 | EXHIBIT 31.2 | tm211088d1_ex31-2.htm | EX-31.2 | 9513
11 | EXHIBIT 32.1 | tm211088d1_ex32-1.htm | EX-32.1 | 4452
12 | EXHIBIT 32.2 | tm211088d1_ex32-2.htm | EX-32.2 | 4365
| Complete submission text file | 0001104659-21-035666.txt |  | 6729959

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
13 | XBRL INSTANCE DOCUMENT | hdsn-20201231.xml | EX-101.INS | 1748947
14 | XBRL TAXONOMY EXTENSION SCHEMA | hdsn-20201231.xsd | EX-101.SCH | 60171
15 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | hdsn-20201231_cal.xml | EX-101.CAL | 67582
16 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | hdsn-20201231_def.xml | EX-101.DEF | 162615
17 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | hdsn-20201231_lab.xml | EX-101.LAB | 456256
18 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | hdsn-20201231_pre.xml | EX-101.PRE | 362345

Mailing Address PO BOX 1541 ONE BLUE HILL PLAZA, 14TH FLOOR PEARL RIVER NY 10965
Business Address PO BOX 1541 ONE BLUE HILL PLAZA, 14TH FLOOR PEARL RIVER NY 10965 8457356000
HUDSON TECHNOLOGIES INC /NY (Filer) CIK: 0000925528 (see all company filings)

EIN.: 133641539 | State of Incorp.: NY | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-13412 | Film No.: 21738446
SIC: 5080 Wholesale-Machinery, Equipment & Supplies