4//SEC Filing
Muller Elizabeth 4
Accession 0001415889-25-023993
CIK 0001918102other
Filed
Sep 8, 8:00 PM ET
Accepted
Sep 9, 5:16 PM ET
Size
7.3 KB
Accession
0001415889-25-023993
Insider Transaction Report
Form 4
Muller Elizabeth
DirectorPresident and Chief Executive
Transactions
- Award
Common Stock
2025-09-05+5,057,855→ 5,057,855 total(indirect: By Trust) - Award
Common Stock
2025-09-05+5,196,426→ 5,196,426 total
Footnotes (2)
- [F1]Received in connection with the Issuer's merger (the "Merger") with Deep Fission Inc. ("Legacy Deep Fission") in accordance with the terms of the Agreement and Plan of Merger and Reorganization dated as of September 5, 2025, by and among the Issuer (f/k/a Surfside Acquisition Inc.), Deep Fission Acquisition Co. and Legacy Deep Fission (the "Merger Agreement"), in exchange for shares of Legacy Deep Fission common stock. Pursuant to the terms of the Merger Agreement, at the effective time of the Merger, each issued and outstanding share of Legacy Deep Fission common stock was converted into the right to receive 17.32142 shares of the Issuer's common stock, rounded to the nearest whole share.
- [F2]Ms. Muller controls the right to vote and dispose of the shares held by the Muller Family Trust (the "Trust") and accordingly, may be deemed to beneficially own the shares held by the Trust. Ms. Muller expressly disclaims beneficial ownership of all securities held by the Trust except to the extent of her pecuniary interest therein.
Documents
Issuer
DEEP FISSION, INC.
CIK 0001918102
Entity typeother
Related Parties
1- filerCIK 0002081850
Filing Metadata
- Form type
- 4
- Filed
- Sep 8, 8:00 PM ET
- Accepted
- Sep 9, 5:16 PM ET
- Size
- 7.3 KB