Standard Nuclear, Inc. Chief Legal Officer Shahram Ghasemian had 5,016 shares of Class A common stock surrendered to the company to satisfy tax withholding when restricted stock units vested on October 15, 2026. After the transaction, he directly held 594,984 shares of Class A common stock.
Standard Nuclear, Inc. CEO and Director Kurt Amir Terrani surrendered 110,014 shares of Class A common stock to the company to satisfy tax withholding upon vesting of restricted stock units on October 17, 2026. The reported price was $12.17 per share, the closing price of the Class A common stock on the vesting date. Terrani directly held 5,876,862 shares after the transaction.
Standard Nuclear, Inc. (STDN) Chief Operating Officer Keeley Rose Marrocco reported that 7,399 shares of Class A common stock were surrendered directly to the company to satisfy tax withholding upon vesting of restricted stock units on October 17, 2026. She reported direct holdings of 3,557,226 shares after the transaction.
Standard Nuclear, Inc. Chief Financial Officer Kevin J. Harrill reported that 32,715 Class A common shares were surrendered to the company to satisfy tax withholding upon vesting of restricted stock units on October 17, 2026. The reported price was $12.17 per share, the closing price on the vesting date. Harrill directly held 1,555,444 shares following the transaction.
Standard Nuclear, Inc. (STDN) Executive Chairman Thomas Edward Hendrix disposed of 95,590 Class A common shares by surrendering them to the company for tax withholding upon vesting of restricted stock units on October 17, 2026. The reported $12.17 per-share figure was the closing price on the vesting date. Hendrix reported direct holdings of 2,639,097 shares after the transaction.
Standard Nuclear, Inc. (STDN) announced that on September 8, 2026 it made an updated investor presentation available on the Investor Relations section of its website, which it plans to use periodically in meetings with investors, analysts, and other parties. The company states that this presentation is being provided under a Regulation FD disclosure and is furnished rather than filed, so it is not subject to liabilities under Section 18 of the Exchange Act and is not incorporated by reference into other securities law filings unless specifically referenced.
Standard Nuclear, Inc. (STDN) director Seth Michael Cohen reported an acquisition of 13,255 shares of Class A common stock underlying a restricted stock unit (RSU) award granted at $0.00 per share. According to the disclosure, 100% of these RSUs will vest on the earlier of the day before Standard Nuclear’s 2027 annual meeting of stockholders or the one-year anniversary of the grant date, subject to his continued board service. This amended Form 4 also corrects Cohen’s beneficial ownership to 15,255 shares, noting that an earlier filing had inadvertently omitted 2,000 already beneficially owned shares.
Standard Nuclear, Inc. (STDN) director Cohen Seth Michael filed an amended Form 3 to correct his initial statement of beneficial ownership. The amendment reports that he beneficially owned 2,000 shares of Class A common stock as of the original Form 3 date, which had inadvertently excluded these shares.
Standard Nuclear, Inc. (STDN) reports its first material product revenue while remaining in investment mode ahead of its July 2026 IPO. For the six months ended June 30, 2026, total revenue was $5.3 million, up from $0.9 million a year earlier, including $3.1 million of TRISO fuel product sales that were not present in 2025.
The company recorded a net loss of $11.1 million for the six months (vs. $9.9 million loss), driven by higher general and administrative and research and development expenses and increased share‑based compensation of $3.7 million. Operating cash outflow was $10.9 million, and cash and cash equivalents were $102.2 million at June 30, 2026, reflecting significant preferred stock financings.
Total property and equipment grew to $31.4 million as the company expands fuel manufacturing capacity. Redeemable convertible preferred stock in mezzanine equity totaled $215.0 million in aggregate liquidation preference. Subsequent to quarter‑end, STDN completed a 2‑for‑1 stock split and a 10.0 million‑share IPO at $15.00, generating approximately $137.7 million in net proceeds.
Standard Nuclear, Inc. (STDN) reported that it has executed a binding, multi-year fuel supply agreement with Antares Nuclear, Inc., a developer of microreactors for defense and space applications. Under this Fuel Supply Agreement, Standard Nuclear will deliver a minimum of one MTU and up to eight MTUs of TRISO fuel through 2035.
Antares plans to use Standard Nuclear’s TRISO fuel to power microreactors intended to support critical mission capabilities for the Department of War and commercial customers. Standard Nuclear describes itself as the only U.S. company with industrial-scale TRISO fuel fabrication facilities and is scaling production across multiple, licensed facilities to support advanced nuclear reactors.
The company characterizes the agreement as strengthening its partnership with Antares and helping secure domestic TRISO fuel supply, supporting the broader supply chain for advanced nuclear reactors and national security–related applications.