Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Lombard, IL
SEC filing record 1 source field available
Fiscal year end
31 December
Viskase Holdings, Inc. has filed 1,513 SEC EDGAR filings since 03 Mar 1995

SEC filing history

Showing 551-575 of 588 matching filings.

Per page
25
Current page
23
SC TO-I/A File 005-35587

SC TO-I/A filing

Filing date
23 Feb 2010
Reporting date
Not listed
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8-K File 000-12957

ENZON PHARMACEUTICALS 8-K

Filing date
23 Feb 2010
Reporting date
19 Feb 2010
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SC 13D/A File 005-35587

FEBRUARY 22, 2010

Filing date
22 Feb 2010
Reporting date
Not listed
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8-K File 000-12957

8-K filing

Filing date
17 Feb 2010
Reporting date
17 Feb 2010
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SC 13G File 005-35587

ENZ13GSUBMISSION

Filing date
16 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-35587

TERMINATION

Filing date
16 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-35587

ENZN13GAMEND1

Filing date
12 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-35587

13G/A

Filing date
12 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-35587

ENZON PHARMACEUTICALS, INC.

Filing date
12 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-35587

SC 13G/A

Filing date
11 Feb 2010
Reporting date
Not listed
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SC 13G File 005-35587

SC 13G filing

Filing date
05 Feb 2010
Reporting date
Not listed
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8-K File 000-12957

8-K filing

Filing date
05 Feb 2010
Reporting date
05 Feb 2010
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SC TO-I File 005-35587

SC TO-I filing

Filing date
05 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-35587

AMENDMENT 2 TO FORM 13G

Filing date
02 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-35587

ENZON PHARMACEUTICALS INC 13GA 1

Filing date
02 Feb 2010
Reporting date
Not listed
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8-K File 000-12957

FORM 8-K

Filing date
29 Jan 2010
Reporting date
29 Jan 2010
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SC TO-C File 005-35587

FORM 8-K

Filing date
29 Jan 2010
Reporting date
Not listed
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4

4 filing

Filing date
29 Jan 2010
Reporting date
27 Jan 2010
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4

4 filing

Filing date
29 Jan 2010
Reporting date
27 Jan 2010
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4

4 filing

Filing date
29 Jan 2010
Reporting date
27 Jan 2010
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4

4 filing

Filing date
29 Jan 2010
Reporting date
27 Jan 2010
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4

4 filing

Filing date
29 Jan 2010
Reporting date
27 Jan 2010
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SC 13G File 005-35587

SC 13G filing

Filing date
29 Jan 2010
Reporting date
Not listed
SEC evidence
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8-K File 000-12957

FORM 8-K

Filing date
21 Jan 2010
Reporting date
19 Jan 2010
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4

4 filing

Filing date
20 Jan 2010
Reporting date
17 Jan 2010
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