23 results
10-K
2023 FY
EX-4.1
ENZN
Enzon Pharmaceuticals, Inc.
Annual report
20 Mar 24
4:06pm
10-K
2022 FY
EX-4.1
ENZN
Enzon Pharmaceuticals, Inc.
Annual report
16 Feb 23
4:08pm
10-K
2021 FY
EX-4.1
ENZN
Enzon Pharmaceuticals, Inc.
Annual report
25 Feb 22
4:32pm
8-K
EX-4.1
ENZN
Enzon Pharmaceuticals, Inc.
8 Jun 21
Entry into a Material Definitive Agreement
4:05pm
10-K
2020 FY
EX-4.1
ENZN
Enzon Pharmaceuticals, Inc.
Annual report
23 Feb 21
4:05pm
S-1/A
EX-4.2
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15 Sep 20
IPO registration (amended)
9:11am
S-1/A
EX-4.3
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15 Sep 20
IPO registration (amended)
9:11am
8-K
EX-4.1
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14 Aug 20
Enzon Pharmaceuticals, Inc. Adopts Tax Benefits Preservation Plan to Protect its NOL Assets and Shareholder Value
5:10pm
8-A12G
EX-4.1
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14 Aug 20
Registration of securities
5:08pm
8-K
EX-4.1
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1 May 14
Entry into a Material Definitive Agreement
12:00am
8-K
EX-4.1
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24 Jul 09
Entry into a Material Definitive Agreement
12:00am
8-K
EX-4.1
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25 Aug 08
Material Modifications to Rights of Security Holders
12:00am
8-K
EX-4.1
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8 Jan 08
Entry into a Material Definitive Agreement
12:00am
8-K
EX-4.1
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25 May 06
Entry into a Material Definitive Agreement
12:00am
8-K
EX-4.3
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22 May 02
Other events
12:00am