{"version":"company-facts.v1","source":"https://secwatch.observer","generated_at":"2026-06-28T15:37:35.777731+00:00","company":{"ticker":"FISN","cik":1918102,"company_name":"DEEP FISSION, INC."},"pagination":{"limit":100,"returned":11,"next_cursor":null},"license":"Source filings: public domain (SEC EDGAR). 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(the “Company”), in consultation with management, concluded that the following previously issued consolidated financial statements of the Company for which the Company is required to provide financial statements under Regulation S-X (and any related financial information, including that included in press releases, shareholder communications, investor presentations or other materials describing relevant portions of such financial statements) should no longer be relied upon because of errors in such financial statements related to valuations of Simple Agreement for Future Equity (“SAFEs”) and Stock-Based Compensation (“SBC”)","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001104659-26-041290","anchor_url":"https://secwatch.observer/filing/0001104659-26-041290#claim-119d019e1006a5c6260ccd6da7dc7d0ff63df191","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1918102/000110465926041290/0001104659-26-041290-index.htm"},{"fact_type":"auditor_change","fact_key":"ecfb431323a42c64d91cf329830fefee1bc5d6a5","cik":1918102,"ticker":"FISN","company_name":"DEEP FISSION, INC.","filed_at":"2026-03-05T23:59:59+00:00","payload":{"action":"dismissal","auditor_name":"dbbmckennon","disagreement_text":null,"effective_date":"2026-02-27","item_codes_triggered":["4.01"],"non_reliance_signal":"none","successor_auditor_name":"Grant Thornton LLP"},"claim":"DEEP FISSION, INC. dismissed dbbmckennon as its auditor.","evidence_excerpt":"Accordingly, dbbmckennon (“dbbmckennon”), the Company’s independent registered public accounting firm since September 5, 2025, was informed that it would be replaced as the Company’s independent registered public accounting firm effective February 27, 2026.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001104659-26-023876","anchor_url":"https://secwatch.observer/filing/0001104659-26-023876#claim-ecfb431323a42c64d91cf329830fefee1bc5d6a5","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1918102/000110465926023876/0001104659-26-023876-index.htm"},{"fact_type":"auditor_change","fact_key":"19fb1f1cd3d0ddbf2b86e8f43f53f8383c5cd10a","cik":1918102,"ticker":"FISN","company_name":"DEEP FISSION, INC.","filed_at":"2026-03-05T23:59:59+00:00","payload":{"action":"engagement","auditor_name":"Grant Thornton LLP","disagreement_text":null,"effective_date":"2026-02-27","item_codes_triggered":["4.01"],"non_reliance_signal":"none","successor_auditor_name":null},"claim":"DEEP FISSION, INC. engaged Grant Thornton LLP as its auditor.","evidence_excerpt":"On February 27, 2026, the Audit Committee of the Board of Directors (the “Audit Committee”) of Deep Fission, Inc. (the “Company”) approved the engagement of Grant Thornton LLP (“Grant Thornton”) as the Company’s independent registered public accounting firm to audit the Company’s consolidated financial statements for the fiscal years ended December 31, 2024 and 2025.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001104659-26-023876","anchor_url":"https://secwatch.observer/filing/0001104659-26-023876#claim-19fb1f1cd3d0ddbf2b86e8f43f53f8383c5cd10a","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/1918102/000110465926023876/0001104659-26-023876-index.htm"},{"fact_type":"equity_issuance","fact_key":"096e799dcbbbfac0736763f6a0e20ce2b9aaabc3","cik":1918102,"ticker":"FISN","company_name":"DEEP FISSION, INC.","filed_at":"2026-02-10T23:59:59+00:00","payload":{"action":"warrant_issuance","consideration_text":"$15.00 per share exercise price","effective_date":"2026-02-05","item_codes_triggered":["3.02"],"purchaser":"Placement Agents","security_type":"warrant","shares_text":"129,417 shares of Common Stock"},"claim":"DEEP FISSION, INC. issued 129,417 shares of Common Stock of warrant to Placement Agents for $15.00 per share exercise price.","evidence_excerpt":"the Company agreed to issue\nand sell to the Investors a minimum of 1,333,333 shares of Common Stock and a maximum of 2,666,667 shares of Common Stock, at a purchase\nprice of $15.00 per share (the “Per Share Purchase Price”), for a minimum aggregate purchase price of $20,000,000 and a maximum\naggregate purchase price of $40,000,000 (the “Offering”). 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