Elizabeth Muller

Insider Reports History

Location
Berkeley, CA
Signature
/s/ Jon Gordon, as Attorney-in-Fact for Elizabeth Muller
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Elizabeth Muller:

Company Role Class Num Shares Value Price $ Report Date Ownership
Deep Isolation Nuclear, Inc. Director, 10%+ Owner Common Stock 11,748,053 19 Nov 2025 Direct
Surfside Acquisition Inc. Chief Executive Officer Common Stock 5,196,426 05 Sep 2025 Direct
Surfside Acquisition Inc. Chief Executive Officer Common Stock 5,057,855 05 Sep 2025 By Muller Family Trust
DEEP FISSION, INC. Chief Executive Officer Employee Stock Option (right to buy) 4,150,300 09 Mar 2026 Direct
DEEP FISSION, INC. Chief Executive Officer Stock Option (right to buy) 994,849 09 Dec 2025 Direct
DEEP FISSION, INC. Chief Executive Officer Restricted Stock Units 549,451 09 Dec 2025 Direct
Deep Isolation Nuclear, Inc. Director, 10%+ Owner Stock Option (Right to Buy) 10,833 01 Oct 2025 Direct

Insider Reports Filed by Elizabeth Muller

Symbol Company Period Transactions Value $ Form Type Role Filing Time
/report/000110465926025950-muller-elizabeth-2026-03-09 DEEP FISSION, INC. 09 Mar 2026 1 $0 4 Chief Executive Officer 10 Mar 2026, 17:27
/report/000110465925120704-muller-elizabeth-2025-12-09 DEEP FISSION, INC. 09 Dec 2025 2 $0 4 Chief Executive Officer 12 Dec 2025, 17:02
/report/000121390025113423-muller-elizabeth-2025-11-19 Deep Isolation Nuclear, Inc. 19 Nov 2025 1 $0 4 Director, 10%+ Owner 21 Nov 2025, 11:12
/report/000121390025097155-muller-elizabeth-2025-10-01 Deep Isolation Nuclear, Inc. 01 Oct 2025 2 $0 4 Director, 10%+ Owner 07 Oct 2025, 18:48
/report/000141588925023993-muller-elizabeth-2025-09-05 DEEP FISSION, INC. 05 Sep 2025 2 $0 4 President and Chief Executive, Director 09 Sep 2025, 17:16
/report/000141588925023992-muller-elizabeth-2025-09-05 DEEP FISSION, INC. 05 Sep 2025 0 $0 3 President and Chief Executive, Director 09 Sep 2025, 17:14
/report/000121390025078084-muller-elizabeth-2025-07-23 Deep Isolation Nuclear, Inc. 23 Jul 2025 0 $0 3 Director, 10%+ Owner 18 Aug 2025, 20:11
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .