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Hemispherx BioPharma (HEB) SEC Filings & 10K Form

Hemispherx BioPharma logo
$0.22 +0.01 (+2.57%)
As of 01/21/2025
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Recent Hemispherx BioPharma SEC Filings

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DateFilerForm TypeView
01/21/2025
3:32 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/23/2024
3:30 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/23/2024
2:23 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
KELLNER TED D (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
12/23/2024
10:11 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
Deutsch Todd (Filed by)
Form SCHEDULE 13D/A
12/20/2024
4:00 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/20/2024
3:30 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
MITCHELL WILLIAM M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/19/2024
12:38 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/17/2024
3:41 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
12/16/2024
3:59 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
12/16/2024
3:59 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
12/13/2024
3:43 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
12/12/2024
3:49 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
12/12/2024
3:09 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
12/11/2024
7:52 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
12/10/2024
3:39 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
12/10/2024
8:01 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
12/10/2024
8:06 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
12/09/2024
4:25 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
12/06/2024
3:50 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
12/05/2024
3:37 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
12/03/2024
5:29 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
BRYAN NANCY (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/03/2024
5:33 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
APPELROUTH STEWART (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/03/2024
5:36 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
MITCHELL WILLIAM M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/02/2024
3:55 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
12/02/2024
3:05 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
11/27/2024
4:26 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
11/27/2024
3:15 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/27/2024
3:05 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
11/26/2024
3:05 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
11/25/2024
4:16 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
11/22/2024
4:26 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
11/21/2024
11:02 AM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
APPELROUTH STEWART (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/21/2024
11:04 AM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/20/2024
11:46 AM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/15/2024
3:59 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
11/14/2024
3:25 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DFAN14A
11/14/2024
2:21 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
ARMISTICE CAPITAL, LLC (Filed by)
Form SC 13G
11/06/2024
8:02 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form DEFC14A
11/04/2024
3:59 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form DEFA14A
11/04/2024
6:00 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
Form DEFC14A
10/30/2024
3:50 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form PRER14A
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10/30/2024
11:53 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form PRRN14A
10/18/2024
3:34 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
KELLNER TED D (Filed by)
Form PREC14A
10/15/2024
3:33 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
Form PREC14A
10/01/2024
2:55 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/01/2024
12:12 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 424B5
09/30/2024
7:22 AM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 424B5
09/17/2024
11:05 AM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2024
2:45 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/12/2024
4:15 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/12/2024
3:45 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/11/2024
4:40 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
Deutsch Todd (Filed by)
Form SC 13D/A
09/03/2024
8:43 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
Deutsch Todd (Filed by)
Form SC 13D/A
08/14/2024
6:37 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
Deutsch Todd (Filed by)
Form SC 13D/A
08/12/2024
8:39 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/12/2024
8:41 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Rodino Peter W III (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/01/2024
5:05 AM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/30/2024
6:14 AM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
Deutsch Todd (Filed by)
Form SC 13D/A
07/25/2024
11:15 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form EFFECT
07/25/2024
4:00 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 424B5
07/15/2024
4:00 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/15/2024
4:19 PM		Hemispherx BioPharma (Subject)
AIM ImmunoTech Inc. (Subject)
Deutsch Todd (Filed by)
Form SC 13D/A
07/11/2024
4:16 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form S-1
Registration statement under Securities Act of 1933  
06/03/2024
9:15 AM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/03/2024
9:05 AM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 424B5
05/31/2024
7:14 AM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 424B5
05/07/2024
7:30 AM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Rodino Peter W III (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/07/2024
7:30 AM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/01/2024
11:16 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form EFFECT
05/01/2024
3:35 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 424B5
03/29/2024
8:18 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/27/2024
12:52 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/27/2024
12:54 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Rodino Peter W III (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/22/2024
12:30 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
BRYAN NANCY (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/18/2024
2:01 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Equels Thomas K (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/18/2024
2:01 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
Rodino Peter W III (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/18/2024
2:01 PM		Hemispherx BioPharma (Issuer)
AIM ImmunoTech Inc. (Issuer)
APPELROUTH STEWART (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2024
9:37 AM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form D/A
02/09/2024
2:47 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/25/2024
4:00 PM		Hemispherx BioPharma (Filer)
AIM ImmunoTech Inc. (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
(Data available from 1/1/2016 forward)


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This page (NYSEAMERICAN:HEB) was last updated on 1/22/2025 by MarketBeat.com Staff
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