Viskase Holdings, Inc. (VISK) Historical Stock Prices
Viskase Holdings, Inc. (VISK) is a publicly traded company on the OTC, categorized under SIC 2836 (Biological Products, (No Diagnostic Substances)). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: VISK
CIK: 727510
Exchange: OTC
SIC 2836: Biological Products, (No Diagnostic Substances)
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
EisnerAmper LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerSarah Brand
Audit LocationPhiladelphia, Pennsylvania, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 10-Q | 2026-08-03 | 2026-06-30 | 10-Q | 0001104659-26-089804 | View SEC Doc Filr Page |
| 8-A12G | 2026-05-05 | — | 8-A12G | 0001104659-26-055637 | View SEC Doc Filr Page |
| 8-K | 2026-05-05 | 2026-04-30 | FORM 8-K | 0001104659-26-055632 | View SEC Doc Filr Page |
| 10-Q | 2026-05-04 | 2026-03-31 | 10-Q | 0001104659-26-054911 | View SEC Doc Filr Page |
| 3 | 2026-05-01 | 2026-04-30 | OWNERSHIP DOCUMENT | 0001104659-26-053545 | View SEC Doc Filr Page |
| 8-K/A | 2026-05-01 | 2026-03-26 | FORM 8-K/A | 0001104659-26-053523 | View SEC Doc Filr Page |
| 8-K | 2026-05-01 | 2026-04-29 | FORM 8-K | 0001104659-26-053522 | View SEC Doc Filr Page |
| 10-K/A | 2026-04-29 | 2025-12-31 | 10-K/A | 0001104659-26-051643 | View SEC Doc Filr Page |
| 8-K | 2026-04-21 | 2026-04-16 | FORM 8-K | 0001104659-26-046064 | View SEC Doc Filr Page |
| 8-K | 2026-04-16 | 2026-04-14 | FORM 8-K | 0001104659-26-044420 | View SEC Doc Filr Page |
| 8-K | 2026-04-15 | 2026-04-10 | FORM 8-K | 0001104659-26-043811 | View SEC Doc Filr Page |
| 4 | 2026-03-27 | 2026-03-25 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001012975-26-000274 | View SEC Doc Filr Page |
| SCHEDULE 13D/A | 2026-03-27 | — | SCHEDULE 13D/A Filing | 0001193125-26-129970 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035420 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035418 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035417 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035416 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035415 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035414 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035413 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035411 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035410 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035409 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035408 | View SEC Doc Filr Page |
| 3 | 2026-03-26 | 2026-03-26 | OWNERSHIP DOCUMENT | 0001104659-26-035407 | View SEC Doc Filr Page |