Company · CIK 316253 # ENZO BIOCHEM INC | CIK | [316253](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000316253) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2836 — Biological Products, (No Diagnostic Substances) | | Incorporated in | NY | | Business address | NY | | Listed | no ticker on SEC record today | | First annual or quarterly report | 1995-03-20 | ## Offerings 8 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-271911 | Shelf Effective | 2023-05-15 | 2025-08-29 | 3 | | 333-272727 | Shelf Effective | 2023-06-16 | 2025-08-29 | 3 | | 333-220312 | Shelf Effective | 2017-09-01 | 2017-09-15 | 2 | | 333-213440 | Shelf Effective | 2016-09-01 | 2016-11-03 | 2 | | 333-190321 | Shelf Effective | 2013-08-01 | 2014-12-31 | 3 | | 333-168311 | Shelf Effective | 2010-07-02 | 2013-03-28 | 4 | | 333-167973 | Shelf Withdrawn | 2010-07-02 | 2010-07-26 | 3 | | 333-138417 | Shelf Effective | 2006-11-03 | 2007-02-05 | 4 | ## Filings 24 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2025-08-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999525002783/9999999995-25-002783-index.htm) Declared effective | 333-272727 | 9999999995-25-002783 | | 2025-08-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999525002782/9999999995-25-002782-index.htm) Declared effective | 333-271911 | 9999999995-25-002782 | | 2023-07-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999523002123/9999999995-23-002123-index.htm) Declared effective | 333-272727 | 9999999995-23-002123 | | 2023-06-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999523001806/9999999995-23-001806-index.htm) Declared effective | 333-271911 | 9999999995-23-001806 | | 2023-06-16 | [S-3](https://www.sec.gov/Archives/edgar/data/316253/000121390023049669/0001213900-23-049669-index.htm) Shelf registered | 333-272727 | 0001213900-23-049669 | | 2023-05-15 | [S-3](https://www.sec.gov/Archives/edgar/data/316253/000121390023039148/0001213900-23-039148-index.htm) Shelf registered | 333-271911 | 0001213900-23-039148 | | 2017-09-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999517002376/9999999995-17-002376-index.htm) Declared effective | 333-220312 | 9999999995-17-002376 | | 2017-09-01 | [S-3](https://www.sec.gov/Archives/edgar/data/316253/000093041317003158/0000930413-17-003158-index.htm) Shelf registered | 333-220312 | 0000930413-17-003158 | | 2016-11-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999516006143/9999999995-16-006143-index.htm) Declared effective | 333-213440 | 9999999995-16-006143 | | 2016-09-01 | [S-3](https://www.sec.gov/Archives/edgar/data/316253/000093041316008075/0000930413-16-008075-index.htm) Shelf registered | 333-213440 | 0000930413-16-008075 | | 2014-12-31 | [424B5](https://www.sec.gov/Archives/edgar/data/316253/000093041314005007/0000930413-14-005007-index.htm) Shelf takedown | 333-190321 | 0000930413-14-005007 | | 2013-08-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999513002406/9999999995-13-002406-index.htm) Declared effective | 333-190321 | 9999999995-13-002406 | | 2013-08-01 | [S-3](https://www.sec.gov/Archives/edgar/data/316253/000093041313004062/0000930413-13-004062-index.htm) Shelf registered | 333-190321 | 0000930413-13-004062 | | 2013-03-28 | [424B5](https://www.sec.gov/Archives/edgar/data/316253/000093041313001950/0000930413-13-001950-index.htm) Shelf takedown | 333-168311 | 0000930413-13-001950 | | 2012-06-29 | [424B5](https://www.sec.gov/Archives/edgar/data/316253/000093041312003806/0000930413-12-003806-index.htm) Shelf takedown | 333-168311 | 0000930413-12-003806 | | 2010-08-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999511000557/9999999995-11-000557-index.htm) Declared effective | 333-168311 | 9999999995-11-000557 | | 2010-07-26 | [RW](https://www.sec.gov/Archives/edgar/data/316253/000093041310004066/0000930413-10-004066-index.htm) Withdrawn | 333-167973 | 0000930413-10-004066 | | 2010-07-23 | [RW](https://www.sec.gov/Archives/edgar/data/316253/000093041310004054/0000930413-10-004054-index.htm) Withdrawn | 333-167973 | 0000930413-10-004054 | | 2010-07-02 | [S-3](https://www.sec.gov/Archives/edgar/data/316253/000093041310004071/0000930413-10-004071-index.htm) Shelf registered | 333-168311 | 0000930413-10-004071 | | 2010-07-02 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/316253/000093041310003805/0000930413-10-003805-index.htm) Shelf registered | 333-167973 | 0000930413-10-003805 | | 2007-02-05 | [424B5](https://www.sec.gov/Archives/edgar/data/316253/000093041307000938/0000930413-07-000938-index.htm) Shelf takedown | 333-138417 | 0000930413-07-000938 | | 2006-12-15 | [424B5](https://www.sec.gov/Archives/edgar/data/316253/000093041306008628/0000930413-06-008628-index.htm) Shelf takedown | 333-138417 | 0000930413-06-008628 | | 2006-12-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/316253/999999999506002628/9999999995-06-002628-index.htm) Declared effective | 333-138417 | 9999999995-06-002628 | | 2006-11-03 | [S-3](https://www.sec.gov/Archives/edgar/data/316253/000093041306007656/0000930413-06-007656-index.htm) Shelf registered | 333-138417 | 0000930413-06-007656 | [All filings of this company](https://equitycapital.markets/filings?cik=316253) · [CSV](https://equitycapital.markets/filings.csv?cik=316253) --- Source page: https://equitycapital.markets/company/316253 · Data: U.S. SEC EDGAR · CC BY 4.0