# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001410578-22-000491
Filing Date
2022-03-24
Accepted
2022-03-24 17:10:39
Documents
85
Period of Report
2021-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | hdsn-20211231x10k.htm iXBRL | 10-K | 1709311
2 | EX-10.56 | hdsn-20211231xex10d56.htm | EX-10.56 | 19801
3 | EX-21 | hdsn-20211231xex21.htm | EX-21 | 4646
4 | EX-23.1 | hdsn-20211231xex23d1.htm | EX-23.1 | 2899
5 | EX-31.1 | hdsn-20211231xex31d1.htm | EX-31.1 | 13692
6 | EX-31.2 | hdsn-20211231xex31d2.htm | EX-31.2 | 13731
7 | EX-32.1 | hdsn-20211231xex32d1.htm | EX-32.1 | 7023
8 | EX-32.2 | hdsn-20211231xex32d2.htm | EX-32.2 | 6735
| Complete submission text file | 0001410578-22-000491.txt |  | 8134445

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | EX-101.SCH | hdsn-20211231.xsd | EX-101.SCH | 66837
10 | EX-101.CAL | hdsn-20211231_cal.xml | EX-101.CAL | 67772
11 | EX-101.DEF | hdsn-20211231_def.xml | EX-101.DEF | 208415
12 | EX-101.LAB | hdsn-20211231_lab.xml | EX-101.LAB | 459483
13 | EX-101.PRE | hdsn-20211231_pre.xml | EX-101.PRE | 400089
79 | EXTRACTED XBRL INSTANCE DOCUMENT | hdsn-20211231x10k_htm.xml | XML | 1470548

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.: 22767403
SIC: 5080 Wholesale-Machinery, Equipment & Supplies