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        <title>Deep Fission, Inc. () SEC Filings</title>
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        <description>Deep Fission, Inc. () - All SEC Filings</description>
        <language>en-us</language>
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                <title><![CDATA[8-K - Current report]]></title>
                <description><![CDATA[2 Related Documents: 8-K, EX-99.1]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-046488/0001104659-26-046488.pdf</link>
                <pubDate>Wed, 22 Apr 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-046488/0001104659-26-046488.pdf</guid>
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                    <item>
                <title><![CDATA[S-1/A - General form for registration of securities under the Securities Act of 1933]]></title>
                <description><![CDATA[2 Related Documents: S-1/A, EX-23.1]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-045974/0001104659-26-045974.pdf</link>
                <pubDate>Tue, 21 Apr 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-045974/0001104659-26-045974.pdf</guid>
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                    <item>
                <title><![CDATA[POS AM - Post-effective amendment to a registration statement that is not immediately effective upon filing]]></title>
                <description><![CDATA[3 Related Documents: POS AM, EX-5.1, EX-23.1]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-045965/0001104659-26-045965.pdf</link>
                <pubDate>Tue, 21 Apr 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-045965/0001104659-26-045965.pdf</guid>
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                    <item>
                <title><![CDATA[10-K - Annual report [Section 13 and 15(d), not S-K Item 405]]]></title>
                <description><![CDATA[8 Related Documents: 10-K, EX-4.1, EX-10.20, EX-14.1, EX-31.1, EX-31.2, EX-32.1, EX-32.2]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-043870/0001104659-26-043870.pdf</link>
                <pubDate>Wed, 15 Apr 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-043870/0001104659-26-043870.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[8-K - Current report]]></title>
                <description><![CDATA[8-K]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-041290/0001104659-26-041290.pdf</link>
                <pubDate>Thu, 09 Apr 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-041290/0001104659-26-041290.pdf</guid>
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                    <item>
                <title><![CDATA[NT 10-K - Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT]]></title>
                <description><![CDATA[NT 10-K]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-037854/0001104659-26-037854.pdf</link>
                <pubDate>Tue, 31 Mar 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-037854/0001104659-26-037854.pdf</guid>
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                    <item>
                <title><![CDATA[4 - Statement of changes in beneficial ownership of securities]]></title>
                <description><![CDATA[4]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-025947/0001104659-26-025947.pdf</link>
                <pubDate>Tue, 10 Mar 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-025947/0001104659-26-025947.pdf</guid>
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                    <item>
                <title><![CDATA[4 - Statement of changes in beneficial ownership of securities]]></title>
                <description><![CDATA[4]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-025958/0001104659-26-025958.pdf</link>
                <pubDate>Tue, 10 Mar 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-025958/0001104659-26-025958.pdf</guid>
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                    <item>
                <title><![CDATA[4 - Statement of changes in beneficial ownership of securities]]></title>
                <description><![CDATA[4]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-025957/0001104659-26-025957.pdf</link>
                <pubDate>Tue, 10 Mar 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-025957/0001104659-26-025957.pdf</guid>
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                    <item>
                <title><![CDATA[4 - Statement of changes in beneficial ownership of securities]]></title>
                <description><![CDATA[4]]></description>
                <link>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-025956/0001104659-26-025956.pdf</link>
                <pubDate>Tue, 10 Mar 26 00:00:00 -0400</pubDate>
                <guid>https://www.deepfission.com/investors/sec-filings/all-sec-filings/content/0001104659-26-025956/0001104659-26-025956.pdf</guid>
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