Assay

Financial-condition grades for SEC filers

Company Report · as of Oct 9, 2026

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MethodCoverageAbout
Deep Fission, Inc.FISN · utilities
GradeNonecomputable_factors_below_threshold: 2 of 14 inputs computable; 7 are required
Reliability0.83 AUCfailure model, filers with $12.5M to $120M assets; 95% interval 0.79 to 0.86; 201 events, 2020 to 2025
Peer failure rate1.07% a yearItem 1.03 bankruptcies, same asset band, 2012 to 2025
Size band$12.5M to $120M assetstotal assets $24.7M[1]
Warningslate filer, thin datanot computable: dilution, degenerate inputs, distress, fortress balance sheet
Inputs computable2 of 14
Graded fromfilings received through Apr 15, 2026177 days before the rescan; every figure keyed to the SEC receipt date
Last close$4.662026-10-08; market equity $274.5M; iex feed
Price used in gradeNone
Share price, twelve months to the rescansplit-adjusted close; a lollipop at every rescan carries the letter held then; baseline ticks are SEC receipt dates of the inputs; ranges and dragging scroll the full history
$5$10$15JulAugSepOct$4.66
ABCDE20132014201520162017201820192020202120222023202420252026

Percentile at every rescan on file, Jan 21, 2012 to Oct 9, 2026; stronger toward the top. Hover for the date.

Open this report as it stood on

Letter setLetterPercentileBand
Jan 21, 2012nonen/a
Apr 21, 2023nonen/aQ1
Apr 21, 2026nonen/aQ2

Each date opens the report as it stood on that rescan.

Business, in the company's words. Opening of Item 1 of the 10-K received Apr 15, 2026; the document on sec.gov.

We are a nuclear energy technology company developing a small modular reactor (“SMR”) based on established pressurized water reactor (“PWR”) technology, with novel emplacement in deep boreholes approximately one mile below the Earth’s surface. Our reactor, which we refer to as the Gravity Reactor, will leverage subsurface conditions to support key containment and operating functions, including the use of hydrostatic pressure from a water column within the borehole to support reactor operating pressure and cooling, and the surrounding geological formation to provide structural confinement and shielding.

Warnings [top]

Late filer. found 1 NT 10-K/Q filings in the last eight quarters
Thin data. 2 of 14 grade factors are computable; minimum is 7

7 checks ran; none of them enters the letter. The checks are listed on the warnings screen.

The Fourteen Inputs [top]

Lower percentile is stronger. Source numbers open the SEC filing; a range that spans filings opens the sources table.

InputPercentile, 0 to 100ValueSourcePeer medianPercentilePeersPeriod end
Profitability
Gross profitabilitynot computable17.5%
one or more required annual facts are missing
Return on invested capitalnot computable6.0%
one or more required annual facts are missing
Accruals rationot computable(5.0%)
prior assets observation is 92 days earlier
Gross margin stability, five yearsnot computable4.6 pts
five annual gross margins are required; found 0
Solvency, sleeve percentile 26.2
Twelve-month failure probabilitynot computable0.06%
market price is missing at 2026-03-31
Altman Z double-prime0.96[1-7]1.4851.01522025-12-31
Net debt to EBITDAnot computable3.63x
one or more required annual facts are missing
Interest coveragenot computable2.37x
one or more required annual facts are missing
Current ratio10.16x[2-3]0.97x1.42822025-12-31
Growth and financing
Revenue growth, three-year compoundnot computable0.7%
four annual observations are required; found 0
Free cash flow growth, three-year compoundnot computable(11.8%)
four consecutive annual FCF observations are required; found 1
Reinvestment ratenot computable59.0%
one or more required annual facts are missing
Asset growth, three yearsnot computable6.4%
four consecutive annual observations are required
Net share issuance, one yearnot computable0.4%
raw and split-adjusted prices do not align at 2026-03-31

Gross profitability. Revenue less cost of goods sold, over total assets.

Accruals ratio. Net income less operating cash flow, over average assets; lower is stronger.

Gross margin stability, five years. Standard deviation of gross margin; lower is stronger.

Twelve-month failure probability. CHS model; lower is stronger.

Net debt to EBITDA. Lower is stronger.

Net share issuance, one year. Split-adjusted; lower is stronger.

Among 148 Peers [top]

What the Price Implies [top]

Market measures at the 2026-10-08 close. None enters the grade. Percentile among graded peers with the same measure.

MeasureValuePeer medianPercentileReading
Twelve-month price change, skipping the latest monthnot computable15.5%missing required 12-1 monthly returns: 2026-06, 2026-05, 2026-04, 2026-03, 2026-02, 2026-01, 2025-12, 2025-11, 2025-10
Distance from 52-week high(68.0%)(15.4%)3closer to its high than 3 of 100 peers
EBIT to enterprise valuenot computable4.6%required accounting or market input is missing
Free cash flow yield(4.8%)1.3%21pricier than 79 of 100 peers
Book value to price0.360.5321pricier than 79 of 100 peers
Sales to pricenot computable0.45required accounting or market input is missing
Composite equity issuance, five yearsnot computable(7.2%)a share count from five years earlier is required
Relative strength against the sector, log excess returnnot computable0.04missing required 12-1 monthly returns: 2026-06, 2026-05, 2026-04, 2026-03, 2026-02, 2026-01, 2025-12, 2025-11, 2025-10

Inputs: market equity $274.5M; EBIT -$21.4M; free cash flow -$13.1M; book equity $98.8M; cash $93.0M[8].

Diagnostics [top]

Diagnostics do not feed the grade.

Piotroski F-score: None of 9, period end 2025-12-31
Return on assets above zeron/a
Operating cash flow above zero-$13.1M✗ fail[9]
Return on assets improvedn/a[10]
Operating cash flow exceeds net income$48.0M✓ pass[9-10]
Long-term leverage felln/a[1]
Current ratio improvedn/a[2-3]
No new shares issuedn/a[11-12]
Gross margin improvedn/a
Asset turnover improvedn/a
Cash, filings, liquidity
Cash and equivalents$93.0M[13]
Operating cash flow, four quarters-$51.9M[9,13-17]
Months of runway21.5
Late filings, two years1
NT 10-K or NT 10-Q
Days since last periodic filing67
10-Q received Aug 3, 2026
Median daily dollar volume$1.6M
63 sessions
Days since newest grade input177

Downloads [top]

Sources [top]

Every citation on this page. Filing opens the SEC index page for that submission; viewer opens the SEC interactive data for the same filing; series opens the SEC XBRL API record for that tag and company.

#ConceptXBRL tagValuePeriod endReceivedFormLinks
1assetsus-gaap:Assets$24.7M2025-12-312026-04-1510-Kfiling · viewer · series
2current assetsus-gaap:AssetsCurrent$24.4M2025-12-312026-04-1510-Kfiling · viewer · series
3current liabilitiesus-gaap:LiabilitiesCurrent$2.4M2025-12-312026-04-1510-Kfiling · viewer · series
4retained earningsus-gaap:RetainedEarningsAccumulatedDeficit-$66.7M2025-12-312026-04-1510-Kfiling · viewer · series
5operating incomeus-gaap:OperatingIncomeLoss-$21.4M2025-12-312026-04-1510-Kfiling · viewer · series
6book equityus-gaap:StockholdersEquity$22.3M2025-12-312026-04-1510-Kfiling · viewer · series
7liabilitiesus-gaap:Liabilities$2.4M2025-12-312026-04-1510-Kfiling · viewer · series
8shares outstandingdei:EntityCommonStockSharesOutstanding58,905,9382026-07-272026-08-0310-Qfiling · viewer · series
9operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities-$13.1M2025-12-312026-04-1510-Kfiling · viewer · series
10net incomeus-gaap:NetIncomeLoss-$61.0M2025-12-312026-04-1510-Kfiling · viewer · series
11shares outstandingdei:EntityCommonStockSharesOutstanding56,207,4222026-03-312026-04-1510-Kfiling · viewer · series
12shares outstandingdei:EntityCommonStockSharesOutstanding5,000,0002025-03-282025-03-2810-Kfiling · viewer · series
13cashus-gaap:CashAndCashEquivalentsAtCarryingValue$93.0M2026-06-302026-08-0310-Qfiling · viewer · series
14operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities-$42.5M2026-06-302026-08-0310-Qfiling · viewer · series
15operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities-$14.0M2026-03-312026-05-0810-Qfiling · viewer · series
16operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities-$6.5M2025-09-302025-11-1410-Qfiling · viewer · series
17operating cash flowus-gaap:NetCashProvidedByUsedInOperatingActivities-$3.6M2025-06-302026-08-0310-Qfiling · viewer · series

Limitations [top]

Peer group. Sector assignment from four-digit SIC codes, hand-tuned and published. The grade under three alternative peer policies is tabled above.

Size. Within a sector the letter tracks size. Among graded filers in the smallest asset band, 72% grade E and 0% grade A; in the largest, 13% grade E and 21% grade A. Universe as of Oct 9, 2026.

Failure model. filings 2012-01-01 to 2019-12-31 fit, filings 2020-01-01 to 2025-12-31 test; status post hoc pending confirmation. pre-registered on 2026 filings once their 12-month outcome windows close; supported if the paired per-quintile gain over the pooled model has a lower bound above 0.05.

Input validity. Revenue or total assets at or below $100,000 sets the degenerate-inputs flag. An input whose denominator is at or below $100,000 is left not computable rather than ranked.

Returns. No input on this page has a post-2015 confidence interval on returns that excludes zero. The grade ranks reported financial condition and is not a return forecast.

Informational and educational only. Not investment advice. SEC and market data may contain errors.

If you have any comments about this page, the methodology and every line of code that produced it are in the public repository. However, due to the limited number of personnel, we are unable to provide a direct response.

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Source
GitHub · ezrakruger.cc
Photographs from Wikimedia Commons

bull: Raphael Schön from Vienna, Austria, CC BY 2.0; bear: U. S. Fish and Wildlife Service - Northeast Region, Public domain; elk: Oregon Department of Fish & Wildlife, Public domain; tortoise: NPS, Public domain; sloth: Charles J. Sharp, CC BY-SA 3.0; fox: Cp9asngf, CC BY-SA 4.0; sector-business_equipment: Sangitiana Fararano, CC BY-SA 2.0; sector-healthcare: User:Squidonius, myself, and User:Beliason (assumed)., CC BY-SA 4.0; sector-manufacturing: unknown, CC BY-SA 2.0; sector-shops: Wilfredor, CC BY-SA 4.0; sector-consumer_nondurables: Nielsoncaetanosalmeron, CC BY 4.0; sector-utilities: Lijovklm, CC BY-SA 4.0; sector-consumer_durables: Stilfehler, CC BY-SA 4.0; sector-chemicals: PEO ACWA, CC BY 2.0; sector-energy: Arne Hückelheim, CC BY-SA 3.0; sector-telecom: Wikideas1, CC0; sector-other: Downtowngal, CC BY-SA 4.0.

Updated Oct 9, 2026