Viskase Holdings, Inc. reports

Company location: Lombard, IL
Fiscal year end: 31 December

Viskase Holdings, Inc. has filed 1,513 SEC EDGAR filings since 03 Mar 1995

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SEC filing history

Showing 351-375 of 588 matching filings.

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15

4

OWNERSHIP DOCUMENT

Filing date: 15 Aug 2012
Reporting date: 14 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 13 Aug 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 13 Aug 2012
Reporting date: 10 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-12957

FORM 10-Q

Filing date: 03 Aug 2012
Reporting date: 30 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-12957

8-K

Filing date: 01 Aug 2012
Reporting date: 01 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 30 Jul 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jul 2012
Reporting date: 02 Jul 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jul 2012
Reporting date: 02 Jul 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jul 2012
Reporting date: 02 Jul 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jul 2012
Reporting date: 02 Jul 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jul 2012
Reporting date: 02 Jul 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jul 2012
Reporting date: 02 Jul 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K/A File 000-12957

8-K/A filing

Filing date: 26 Jun 2012
Reporting date: 16 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 21 Jun 2012
Reporting date: 20 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 06 Jun 2012
Reporting date: 05 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 06 Jun 2012
Reporting date: 05 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-12957

8-K filing

Filing date: 22 May 2012
Reporting date: 16 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-12957

8-K filing

Filing date: 07 May 2012
Reporting date: 07 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-12957

10-Q filing

Filing date: 02 May 2012
Reporting date: 31 Mar 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-12957

8-K filing

Filing date: 02 May 2012
Reporting date: 02 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-35587

ENZON PHARMACEUTICALS SC 13GA 3-31-2012

Filing date: 10 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

ARS File 000-12957

AUTO-GENERATED PAPER DOCUMENT

Filing date: 06 Apr 2012
Reporting date: 31 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 000-12957

DEFA14A filing

Filing date: 06 Apr 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-12957

DEF 14A filing

Filing date: 06 Apr 2012
Reporting date: 16 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 29 Mar 2012
Reporting date: 28 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

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