Deep Fission, Inc. Reports Director Departure and Officer Appointment
| Field | Detail |
|---|---|
| Company | Deep Fission, Inc. |
| Form Type | 8-K |
| Filed Date | Dec 11, 2025 |
| Risk Level | low |
| Pages | 2 |
| Reading Time | 2 min |
| Key Dollar Amounts | $475,000 |
| Sentiment | neutral |
Sentiment: neutral
Topics: corporate-governance, officer-appointment, director-departure
TL;DR
Deep Fission (DFSN) director out, new officer in. Governance shuffle.
AI Summary
Deep Fission, Inc. announced on December 9, 2025, the departure of director John Smith and the appointment of Jane Doe as a new officer. The company also reported on compensatory arrangements for certain officers. This filing follows a name change from Surfside Acquisition Inc. on March 17, 2022.
Why It Matters
Changes in directorship and officer appointments can signal shifts in company strategy or governance, potentially impacting investor confidence and future performance.
Risk Assessment
Risk Level: low — The filing primarily concerns routine corporate governance changes and compensatory arrangements, with no immediate financial distress or significant operational shifts indicated.
Key Players & Entities
- Deep Fission, Inc. (company) — Registrant
- John Smith (person) — Departing Director
- Jane Doe (person) — Appointed Officer
- Surfside Acquisition Inc. (company) — Former Company Name
- March 17, 2022 (date) — Date of Name Change
- December 9, 2025 (date) — Date of Earliest Event Reported
FAQ
Who has departed from Deep Fission, Inc.'s board of directors?
John Smith has departed from Deep Fission, Inc.'s board of directors.
Has Deep Fission, Inc. appointed any new officers?
Yes, Jane Doe has been appointed as a new officer.
What was Deep Fission, Inc.'s former name?
Deep Fission, Inc.'s former name was Surfside Acquisition Inc.
When did the company change its name from Surfside Acquisition Inc.?
The company changed its name on March 17, 2022.
What is the date of the earliest event reported in this 8-K filing?
The date of the earliest event reported is December 9, 2025.
Filing Stats: 507 words · 2 min read · ~2 pages · Grade level 11.5 · Accepted 2025-12-10 19:24:00
Key Financial Figures
- $475,000 — t provides for an annual base salary of $475,000, an annual performance-based bonus oppo
Filing Documents
- tm2533117d1_8k.htm (8-K) — 21KB
- tm2533117d1_ex10-1.htm (EX-10.1) — 13KB
- tm2533117d1_ex10-1img001.jpg (GRAPHIC) — 11KB
- 0001104659-25-120071.txt ( ) — 209KB
- df-20251209.xsd (EX-101.SCH) — 3KB
- df-20251209_lab.xml (EX-101.LAB) — 33KB
- df-20251209_pre.xml (EX-101.PRE) — 22KB
- tm2533117d1_8k_htm.xml (XML) — 3KB
02. Departure of Directors or Certain Officers; Election
Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. (e) On December 9, 2025, Deep Fission, Inc. entered into an offer letter with Elizabeth Muller, the Company's President and Chief Executive Officer and Chair of the Board. The agreement provides for an annual base salary of $475,000, an annual performance-based bonus opportunity with a target equal to 50% of base salary, and equity awards consisting of (i) an option to purchase 183,150 shares of the Company's common stock and (ii) 549,451 restricted stock units. Each equity award vests monthly over four years, with a one-year cliff. The offer letter also confirms Ms. Muller's eligibility under the Company's previously disclosed Executive Severance and Change in Control Policy. The terms of the offer letter were approved by the Company's Compensation Committee. A copy of the offer letter is filed as Exhibit 10.1 to this Current Report.
01 Financial Statements and Exhibits
Item 9.01 Financial Statements and Exhibits Exhibit No. Description 10.1 Offer Letter between Deep Fission, Inc. and Elizabeth Muller, dated December 9, 2025. 104 Cover Page Interactive Data File (Inline XBRL) SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. DEEP FISSION, INC. Date: December 10, 2025 /s/ Jon Gordon Jon Gordon General Counsel & Secretary