How Muller was paid
$7.1M in total for 2025, as reported in the Summary Compensation Table. Equity awards are valued at grant, not at what they turned out to be worth.
Named executive officers
| Executive | Salary | Bonus | Stock | Options | Other | Total |
|---|---|---|---|---|---|---|
| Elizabeth A. MullerPresident and Chief Executive Officer | $400,000 | $60,000 | $3,956,047 | $2,661,901 | $34,008 | $7,116,217 |
| Richard A. Muller, Ph.D.Chief Technology Officer | $300,000 | $90,000 | — | $1,308,466 | — | $1,698,466 |
| Michael BraselChief Operating Officer (3) | $242,898 | $72,500 | $90,418 | $269,990 | $30,322 | $706,128 |
| Malcolm Thompson (4)Former Chief Operating Officer, Legacy Deep Fission | $160,417 | — | $3,440,304 | — | $62,500 | $3,663,221 |
| Ian Jacobs (7)Former Chief Executive Officer, Surfside | — | — | — | — | — | — |
What changed and why
- $7.1M$7,116,217 CEO total compensation in 2025 versus $1,512,457 in 2024.
- $400K$400,000 CEO salary excluded her December increase because the additional amount was paid in 2026.
- $4M$3,956,047 stock awards and $2,661,901 option awards comprised the CEO’s 2025 equity compensation.
- $60,000$60,000 discretionary bonus was paid to the CEO for 2025.
- 50%50% of base salary is the CEO’s target annual performance-based cash bonus.
- $62,500$62,500 lump-sum severance was paid to former COO Malcolm Thompson.
About this page
Figures are automated and can be wrong; check the filing for the exact numbers. Totals follow SEC rules, which value stock and option awards at grant. Read the DEF 14A proxy statement for footnotes and the compensation committee's full reasoning.