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8-K ·Filed Oct 20, 2026

FISN

DEEP FISSION, INC.
BULLISH
Impact 6/10
Horizonmonths Processed6d 4h ago SEC0001104659-26-117389
8-K context-dependent: Items 7.01
Actionable Insight ▲ Bullish

Monitor progress toward NRC licensing submission and DOE authorization milestones in 2027, as well as tenant demand at the Great Plains Industrial Park that will determine actual revenue generation under the no-minimum-purchase agreement.

DirectionBullish
Confidencehigh
Horizonmonths
Latest settled — T+1d
FISN ▼ -6.41% at T+1d
LONG call ✗ call lost -6.41% · α vs SPY -6.93% · entry $2.81 → $2.63
Next anchor: T+5d in 12h
Latest observation: T+3 -14.66% FF3 residual α
Entry = T+0 close
Oct 20, 2026
via day close
T+1d
-6.41%
call -6.41% · α -6.93%
$2.63
settled 6d ago
T+5d
Pending
in 12h
T+20d
Pending
in 21d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

Deep Fission signed a binding 25-year Master Energy Purchase Agreement with the Great Plains Development Authority for a planned commercial nuclear project in Kansas, converting a December 2025 letter of intent into a definitive contract. The initial phase targets 150 MW by September 2028, scaling to 2 GW by 2031, though the agreement has no minimum purchase obligation and is subject to regulatory approvals and tenant demand.

Key Facts

  • Signed binding 25-year Master Energy Purchase Agreement with Great Plains Development Authority
  • Initial phase targets 150 MW commercial operation by September 30, 2028
  • Total project capacity up to 2,000 MW by 2031 pending demand growth
  • No minimum purchase obligation — electricity purchases depend on actual tenant demand
  • Agreement subject to NRC licensing, Kansas regulatory approvals, and other conditions
  • Company also announced standard LEU fuel contract with Urenco and commercial drilling underway
  • Illustrative NOAK unit economics: $84M upfront capital, $20M/yr avg revenue first 10 years, $10M/yr operating cash flow

Financial Impact

Illustrative unit economics show $84M upfront capital per 15 MWe reactor, $20M annual revenue, $10M annual operating cash flow over 40-year design life; project-level revenue potential of $600M over project life per unit

revenuecash flowcapital expenditure

Risk Factors

  • No minimum purchase obligation — revenue depends entirely on tenant demand
  • Subject to NRC licensing, DOE authorization, and Kansas regulatory approvals
  • Pre-revenue development-stage company with no operating history
  • Commercial operation target of September 2028 is ambitious for a first-of-kind nuclear deployment

Documents Analyzed

This report is based on 6 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001104659-26-117389
Document: tm2627978d1_8k.htm0001104659-26-117389
Document: tm2627978d1_ex99-1.htm0001104659-26-117389
Document: 0001104659-26-117389-index-headers.html0001104659-26-117389
Document: 0001104659-26-117389-index.html0001104659-26-117389
Document: 0001104659-26-117389.txt0001104659-26-117389
6 reports for FISN
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for FISN — sortable, filterable
TypeNow
Oct 20, 2026
6d ago
8-K
BULLISH ★ 6/10
$2.81 $2.63▼ −6.41%▼ −6.93%$2.30 (−18.15%)
Sep 21, 2026
5w ago
8-K
NEUTRAL ★ 3/10
$7.82 $8.12▲ +3.84%▲ +3.85%$2.30 (−70.59%)
Jun 22, 2026
18w ago
8-K
NEUTRAL ★ 4/10
$12.44 $9.76▼ −21.54%▼ −21.50%$2.30 (−81.51%)
Jun 18, 2026
18w ago
424B4
BEARISH ★ 6/10
$12.42 $12.44▼ −0.16%▼ −1.61%$2.30 (+81.48%)
Jun 18, 2026
18w ago
EFFECT
NEUTRAL ★ 6/10
$14.56 $12.42▼ −14.70%▼ −14.38%$2.30 (−84.20%)
Jun 10, 2026
19w ago
S-1/A
NEUTRAL ★ 5/10
—awaiting T+1——
Showing 6 of 6

US Market Status

Market Closed — Opens Wed (13h 22m)

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Report published Oct 20, 2026