The IPO is now effective; pricing and first trading day are imminent. Monitor the final IPO price and first-day performance. The company's ability to execute on its SMR technology and address going concern risks will determine post-IPO trajectory.
Price Chart
Executive Summary
Deep Fission, Inc.'s registration statement (File No. 333-296043) became effective on June 17, 2026, clearing the way for its IPO of 2,500,000 shares at an estimated $16-$18 per share. The company is a pre-revenue nuclear energy technology developer with a going concern opinion, making this IPO a critical funding event.
Key Facts
- Registration declared effective on June 17, 2026 (File No. 333-296043).
- IPO of 2,500,000 shares at estimated price range $16.00-$18.00 per share.
- Estimated net proceeds of ~$35.2 million at midpoint.
- Company is pre-revenue with a going concern opinion, material weaknesses in internal controls, and a prior financial restatement.
- Seeking listing on Nasdaq under ticker FISN.
Financial Impact
~$35.2 million net proceeds from IPO (midpoint of $16-$18 per share on 2.5M shares).
Risk Factors
- Going concern opinion indicates substantial doubt about ability to continue as a going concern.
- Pre-revenue status with no operating history; commercialization timeline uncertain.
- Material weaknesses in internal controls and prior financial restatement increase governance risk.
- IPO proceeds may not be sufficient to reach commercialization without additional capital.
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| EFFECT Filing (Primary) | 9999999995-26-002042 |
| Document: 9999999995-26-002042-index.html | 9999999995-26-002042 |
| Document: 9999999995-26-002042.txt | 9999999995-26-002042 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 20, 2026 7d ago | 8-K | $2.81 $2.69 | ▼ −4.27% | ▼ −4.35% | $2.69 (−4.27%) |
Sep 21, 2026 5w ago | 8-K | $7.82 $5.42 | ▼ −30.69% | ▼ −29.67% | $2.69 (−65.60%) |
Jun 22, 2026 18w ago | 8-K | $12.44 $11.05 | ▼ −11.17% | ▼ −12.19% | $2.69 (−78.38%) |
Jun 18, 2026 18w ago | 424B4 | $12.42 $10.75 | ▲ +13.45% | ▲ +11.38% | $2.69 (+78.34%) |
Jun 18, 2026 18w ago | EFFECT | $14.56 $10.03 | ▼ −31.11% | ▼ −29.45% | $2.69 (−81.52%) |
Jun 10, 2026 19w ago | S-1/A | — | awaiting T+5 | — | — |
US Market Status
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