DEEP FISSION, INC.
For the period ended Sep 30, 2026. Filed Nov 4, 2026.
View on SEC.govAbout this filing
A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2026 · Filed Nov 4, 2026
FISN$2.12-25.1%Stored close · as of Nov 10, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
See the whole filing, with its images and exhibitsContents
Condensed Consolidated Statements of Stockholders’ Equity (Deficit)
(In thousands, except share data)
| · · For the Three and Nine Months Ended September 30, 2025 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| · · · · · · · Additional · · · · · Total | ||||||||||||||
| · · Common Stock · · Paid-In · · Accumulated · · Stockholders’ | ||||||||||||||
| · · Shares · · Amount · · Capital · · Deficit · · Equity (Deficit) | ||||||||||||||
| Balance at December 31, 2024 | | 16,320,839 | | $2 | | $1,641 | | $(5,725) | | $(4,082) | ||||
| Stock-based compensation | | — | | | — | | | 32 | | | — | | | 32 |
| Issuance of restricted stock awards | | 14,411 | | | — | | | — | | | — | | | — |
| Net loss | | — | | | — | | | — | | | (3,137) | | | (3,137) |
| Balance at March 31, 2025 | | 16,335,250 | | | 2 | | | 1,673 | | | (8,862) | | | (7,187) |
| Stock-based compensation | | — | | | — | | | 196 | | | — | | | 196 |
| Cancellation/forfeiture of restricted stock awards | | (77,946) | | | — | | | — | | | — | | | — |
| Net loss | | — | | | — | | | — | | | (3,799) | | | (3,799) |
| Balance at June 30, 2025 | | 16,257,304 | | | 2 | | | 1,869 | | | (12,661) | | | (10,790) |
| Stock-based compensation | | — | | | — | | | 5,436 | | | — | | | 5,436 |
| Issuance of restricted stock awards, net of cancellations | | 2,848,936 | | | — | | | 1 | | | — | | | 1 |
| Issuance of common stock upon conversion of SAFE Notes | | 19,601,182 | | | 2 | | | 53,509 | | | — | | | 53,511 |
| Issuance of common stock to PIPE investors | | 10,000,000 | | | 1 | | | 29,999 | | | — | | | 30,000 |
| Offering costs | | — | | | — | | | (2,936) | | | — | | | (2,936) |
| Issuance of placement agent warrants (equity component) | | — | | | — | | | 949 | | | — | | | 949 |
| Issuance costs – placement agent warrants (non-cash) | | — | | | — | | | (949) | | | — | | | (949) |
| Issuance of common stock to new shareholders upon merger | | 2,166,667 | | | — | | | — | | | — | | | — |
| Net loss | | — | | | — | | | — | | | (45,414) | | | (45,414) |
| Balance at September 30, 2025 | | 50,874,089 | | $5 | | $87,878 | | $(58,075) | | $29,808 | ||||
DEEP FISSION, INC.
Condensed Consolidated Statements of Stockholders’ Equity (Deficit)
(In thousands, except share data)
| | | | | | | | | | | | | | | | | | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| · · For the Three and Nine Months Ended September 30, 2026 | |||||||||||||||||
| · · · · · · · Additional · · · · · Accumulated other · · Total | |||||||||||||||||
| · · Common Stock · · Paid-In · · Accumulated · · comprehensive · · Stockholders’ | |||||||||||||||||
| · · Shares · · Amount · · Capital · · Deficit · · income (loss) · · Equity (Deficit) | |||||||||||||||||
| Balance at December 31, 2025 | | 51,099,089 | | $5 | | $89,009 | | $(66,727) | | $— | | $22,287 | |||||
| Stock-based compensation | | — | | | — | | | 9,838 | | | — | | | — | | | 9,838 |
| Modification of RSU liability award | | — | | | — | | | 2,203 | | | — | | | — | | | 2,203 |
| Vesting of restricted stock units | | 185,000 | | | — | | | — | | | — | | | — | | | — |
| Issuance of private placement common stock | | 5,333,333 | | | 1 | | | 79,999 | | | — | | | — | | | 80,000 |
| Offering costs | | — | | | — | | | (4,851) | | | — | | | — | | | (4,851) |
| Issuance of placement agent warrants (equity component) | | — | | | — | | | 1,239 | | | — | | | — | | | 1,239 |
| Issuance costs – placement agent warrants (non-cash) | | — | | | — | | | (1,239) | | | — | | | — | | | (1,239) |
| Net loss | | — | | | — | | | — | | | (21,344) | | | — | | | (21,344) |
| Balance at March 31, 2026 | | 56,617,422 | | | 6 | | | 176,198 | | | (88,071) | | | — | | | 88,133 |
| Stock-based compensation | | — | | | — | | | 7,340 | | | — | | | — | | | 7,340 |
| Vesting of restricted stock units | | 430,000 | | | — | | | — | | | — | | | — | | | — |
| Issuance of initial public offering common stock | | 2,500,000 | | | — | | | 40,000 | | | — | | | — | | | 40,000 |
| Underwriting discounts and offering costs related to the initial public offering | | — | | | — | | | (5,709) | | | — | | | — | | | (5,709) |
| Issuance of common stock for cashless exercise of equity component warrants | | 9,815 | | | — | | | — | | | — | | | — | | | — |
| Issuance of common stock to former SAFE note holders | | 188,701 | | | — | | | — | | | — | | | — | | | — |
| Net loss | | — | | | — | | | — | | | (31,009) | | | — | | | (31,009) |
| Balance at June 30, 2026 | | 59,745,938 | | | 6 | | | 217,829 | | | (119,080) | | | — | | | 98,755 |
| Stock-based compensation | | — | | | — | | | 5,981 | | | — | | | — | | | 5,981 |
| Vesting of restricted stock units, net of tax withholding | | 33,295 | | | — | | | (17) | | | — | | | — | | | (17) |
| Change in unrealized gain on investments in available-for-sale securities | | — | | | — | | | — | | | — | | | 6 | | | 6 |
| Net loss | | — | | | — | | | — | | | (20,929) | | | — | | | (20,929) |
| Balance at September 30, 2026 | | 59,779,233 | | $6 | | $223,793 | | $(140,009) | | $6 | | $83,796 | |||||
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.