{"success":true,"data":{"pressRelease":{"id":"160479","rtpr_id":"nGNXSNx5v-20261005","ticker":"FISN","exchange":"NASDAQ","all_tickers":["FISN"],"title":"DEEP FISSION, INC. (NASDAQ: FISN) INVESTIGATION: Johnson Fistel Investigates Potential Securities Claims Following Short-Seller Report","author":"Globe Newswire","published_at":"2026-10-05T12:09:55.100Z","article_body":"SAN DIEGO, Oct. 05, 2026 (GLOBE NEWSWIRE) -- Johnson Fistel, PLLP, a leading\nstockholder rights law firm, is investigating Deep Fission, Inc. (NASDAQ:\nFISN) on behalf of investors who may have suffered losses following a report\nquestioning the Company’s projected funding needs and path to commercial\ndeployment. If you purchased Deep Fission securities and suffered losses,\nplease click the following\nlink: https://www.johnsonfistel.com/investigations/deep-fission-inc/\n\nWhy Is Johnson Fistel Investigating Deep Fission?\n\nIn June 2026, Deep Fission completed its initial public offering of 2.5\nmillion shares at $16.00 per share. Its prospectus estimated that, beyond its\navailable cash and the offering’s anticipated net proceeds, the Company\nwould need approximately $138 million in additional capital to develop,\nlicense, and commercially deploy its first commercial reactor. The prospectus\nalso described a phased strategy intended to move toward commercialization\nwithin three years and a target construction period as short as six months for\na single reactor in later deployments.\n\nOn September 24, 2026, Iceberg Research published a short-seller report\nquestioning Deep Fission’s economics and commercialization prospects.\nSeparately, the Company’s January 2026 investor presentation, filed with the\nSEC before the IPO, projected $261 million in spending during 2026 and 2027\nand a negative ending cash balance of $237.3 million under its then-current\nassumptions. That projection preceded subsequent financing and excluded as\nmuch as $750 million in development and construction costs for the first\ncommercial projects before project-level financing became available.\n\nDeep Fission shares closed at $6.95 on September 24, down approximately 10.9%\nfrom the prior day’s $7.80 close.\n\nJohnson Fistel is investigating how Deep Fission developed the\nadditional-capital estimate in its June 2026 prospectus, including how that\nestimate accounted for the Company’s earlier spending projections,\nsubsequent financing, and anticipated costs and financing arrangements for its\nfirst commercial projects.\n\nAbout Johnson Fistel, PLLP | Top Law Firm, Securities Fraud, Investor Rights\n\nJohnson Fistel, PLLP is a nationally recognized shareholder rights law firm\nwith offices in California, New York, Georgia, Idaho, and Colorado. The firm\nrepresents individual and institutional investors in shareholder derivative\nand securities class action lawsuits. The firm also represents foreign\ninvestors who have purchased securities on U.S. exchanges.\n\nAttorney advertising.\nPast results do not guarantee future outcomes.\nServices may be performed by attorneys in any of our offices.\n\nJohnson Fistel, PLLP has paid for the dissemination of this promotional\ncommunication, and Frank J. Johnson is the attorney responsible for its\ncontent.\n\nContact:\nJohnson Fistel, PLLP\n501 W. Broadway, Suite 800\nSan Diego, CA 92101\nJames Baker | (619) 814-4471\njimb@johnsonfistel.com\n\n(https://www.globenewswire.com/NewsRoom/AttachmentNg/bb2e6cf6-9d53-4d2e-a5d2-759cdd3b516c)\n\n\n\nGlobeNewswire, Inc. 2026","article_body_html":"","raw_payload":{"data":{"id":"nGNXSNx5v-20261005","title":"DEEP FISSION, INC. (NASDAQ: FISN) INVESTIGATION: Johnson Fistel Investigates Potential Securities Claims Following Short-Seller Report","author":"Globe Newswire","ticker":"FISN","created":"2026-10-05T12:09:55.100Z","tickers":["FISN"],"exchange":"NASDAQ","article_body":"SAN DIEGO, Oct. 05, 2026 (GLOBE NEWSWIRE) -- Johnson Fistel, PLLP, a leading\nstockholder rights law firm, is investigating Deep Fission, Inc. (NASDAQ:\nFISN) on behalf of investors who may have suffered losses following a report\nquestioning the Company’s projected funding needs and path to commercial\ndeployment. If you purchased Deep Fission securities and suffered losses,\nplease click the following\nlink: https://www.johnsonfistel.com/investigations/deep-fission-inc/\n\nWhy Is Johnson Fistel Investigating Deep Fission?\n\nIn June 2026, Deep Fission completed its initial public offering of 2.5\nmillion shares at $16.00 per share. Its prospectus estimated that, beyond its\navailable cash and the offering’s anticipated net proceeds, the Company\nwould need approximately $138 million in additional capital to develop,\nlicense, and commercially deploy its first commercial reactor. The prospectus\nalso described a phased strategy intended to move toward commercialization\nwithin three years and a target construction period as short as six months for\na single reactor in later deployments.\n\nOn September 24, 2026, Iceberg Research published a short-seller report\nquestioning Deep Fission’s economics and commercialization prospects.\nSeparately, the Company’s January 2026 investor presentation, filed with the\nSEC before the IPO, projected $261 million in spending during 2026 and 2027\nand a negative ending cash balance of $237.3 million under its then-current\nassumptions. That projection preceded subsequent financing and excluded as\nmuch as $750 million in development and construction costs for the first\ncommercial projects before project-level financing became available.\n\nDeep Fission shares closed at $6.95 on September 24, down approximately 10.9%\nfrom the prior day’s $7.80 close.\n\nJohnson Fistel is investigating how Deep Fission developed the\nadditional-capital estimate in its June 2026 prospectus, including how that\nestimate accounted for the Company’s earlier spending projections,\nsubsequent financing, and anticipated costs and financing arrangements for its\nfirst commercial projects.\n\nAbout Johnson Fistel, PLLP | Top Law Firm, Securities Fraud, Investor Rights\n\nJohnson Fistel, PLLP is a nationally recognized shareholder rights law firm\nwith offices in California, New York, Georgia, Idaho, and Colorado. The firm\nrepresents individual and institutional investors in shareholder derivative\nand securities class action lawsuits. The firm also represents foreign\ninvestors who have purchased securities on U.S. exchanges.\n\nAttorney advertising.\nPast results do not guarantee future outcomes.\nServices may be performed by attorneys in any of our offices.\n\nJohnson Fistel, PLLP has paid for the dissemination of this promotional\ncommunication, and Frank J. Johnson is the attorney responsible for its\ncontent.\n\nContact:\nJohnson Fistel, PLLP\n501 W. Broadway, Suite 800\nSan Diego, CA 92101\nJames Baker | (619) 814-4471\njimb@johnsonfistel.com\n\n(https://www.globenewswire.com/NewsRoom/AttachmentNg/bb2e6cf6-9d53-4d2e-a5d2-759cdd3b516c)\n\n\n\nGlobeNewswire, Inc. 2026"},"type":"article","timestamp":"2026-10-05T12:09:55.1601978Z","server_sent_at_ms":1791202195160},"received_at":"2026-10-05T12:09:55.209Z","source_url":null},"analysis":{"id":"149044","press_release_id":"160479","analysis_json":{"redFlags":["short-seller report questioning economics and commercialization timeline","inconsistency between IPO prospectus capital-need estimate and pre-IPO investor presentation projections","IPO-priced shares at $16.00 now trading near $6.95"],"eventType":"legal_litigation","narrative":"Johnson Fistel announced it is investigating Deep Fission (FISN) for potential securities claims following a September 24 Iceberg Research short report questioning the company's funding needs and path to commercial deployment.\n\nThe release cites a gap between Deep Fission's June 2026 IPO prospectus estimate of ~$138 million in additional capital and a January 2026 investor presentation projecting $261 million of 2026-2027 spending, a negative $237.3 million ending cash balance, and up to $750 million in excluded first-project development costs.\n\nFISN closed at $6.95 on September 24, down about 10.9% from $7.80 the prior day. No complaint has been filed; this is attorney advertising, not an issuer disclosure.","sentiment":"neutral","agentHooks":{"shouldPost":false,"suggestedAngle":"Plaintiff-firm solicitation following short report -- suppress, though underlying Iceberg Research claims warrant separate monitoring."},"keyFigures":{"customDimensions":{"ipo_price":16,"prior_close":7.8,"close_2026_09_24":6.95,"one_day_drop_pct":"-10.9%","projected_negative_cash":"-$237.3 million","projected_2026_2027_spend":"$261 million","excluded_development_costs_up_to":"$750 million","prospectus_additional_capital_estimate":"$138 million"}},"namedEntities":{"people":[{"name":"Frank J. Johnson","role":"attorney responsible for content"},{"name":"James Baker","role":"law firm contact"}],"products":[],"companies":[{"name":"Deep Fission, Inc.","ticker":"FISN","relationship":"investigation target"},{"name":"Johnson Fistel, PLLP","relationship":"plaintiff law firm"},{"name":"Iceberg Research","relationship":"short-seller"}],"dollarAmounts":[{"amount":"$16.00","context":"IPO price per share, June 2026"},{"amount":"$138 million","context":"additional capital needed per prospectus"},{"amount":"$261 million","context":"projected 2026-2027 spending in January 2026 investor presentation"},{"amount":"$237.3 million","context":"projected negative ending cash balance"},{"amount":"$750 million","context":"excluded development and construction costs for first commercial projects"},{"amount":"$6.95","context":"FISN closing price on September 24, 2026"},{"amount":"$7.80","context":"prior day closing price"}]},"materialImpact":{"score":1,"reasoning":"Plaintiff law-firm (Johnson Fistel) solicitation of potential claimants, not an issuer disclosure, filed complaint, or certified class. The underlying short report is context, not new company news."},"tickerRelevance":{"others":[],"primary":"FISN"},"globalImportance":12,"audienceRelevance":12,"eventTypeSecondary":[],"importanceComponents":{"tickerTier":"micro-cap","eventGravity":"law-firm-solicitation","issuerAuthored":false,"underlyingEvent":"short-seller report and post-IPO drawdown"}},"event_type":"legal_litigation","event_type_secondary":null,"sentiment":"neutral","material_impact_score":1,"narrative":"Johnson Fistel announced it is investigating Deep Fission (FISN) for potential securities claims following a September 24 Iceberg Research short report questioning the company's funding needs and path to commercial deployment.\n\nThe release cites a gap between Deep Fission's June 2026 IPO prospectus estimate of ~$138 million in additional capital and a January 2026 investor presentation projecting $261 million of 2026-2027 spending, a negative $237.3 million ending cash balance, and up to $750 million in excluded first-project development costs.\n\nFISN closed at $6.95 on September 24, down about 10.9% from $7.80 the prior day. No complaint has been filed; this is attorney advertising, not an issuer disclosure.","key_figures":{"customDimensions":{"ipo_price":16,"prior_close":7.8,"close_2026_09_24":6.95,"one_day_drop_pct":"-10.9%","projected_negative_cash":"-$237.3 million","projected_2026_2027_spend":"$261 million","excluded_development_costs_up_to":"$750 million","prospectus_additional_capital_estimate":"$138 million"}},"named_entities":{"people":[{"name":"Frank J. Johnson","role":"attorney responsible for content"},{"name":"James Baker","role":"law firm contact"}],"products":[],"companies":[{"name":"Deep Fission, Inc.","ticker":"FISN","relationship":"investigation target"},{"name":"Johnson Fistel, PLLP","relationship":"plaintiff law firm"},{"name":"Iceberg Research","relationship":"short-seller"}],"dollarAmounts":[{"amount":"$16.00","context":"IPO price per share, June 2026"},{"amount":"$138 million","context":"additional capital needed per prospectus"},{"amount":"$261 million","context":"projected 2026-2027 spending in January 2026 investor presentation"},{"amount":"$237.3 million","context":"projected negative ending cash balance"},{"amount":"$750 million","context":"excluded development and construction costs for first commercial projects"},{"amount":"$6.95","context":"FISN closing price on September 24, 2026"},{"amount":"$7.80","context":"prior day closing price"}]},"model_name":"glm-5.3-flashx","prompt_hash":"sha256:727b4b9429a443af","schema_hash":"sha256:05005c02d9cffac9","created_at":"2026-10-05T12:10:01.621Z","global_importance":12,"audience_relevance":12,"importance_components":{"tickerTier":"micro-cap","eventGravity":"law-firm-solicitation","issuerAuthored":false,"underlyingEvent":"short-seller report and post-IPO drawdown"}},"durationMs":6398,"modelName":"glm-5.3-flashx"}}