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Marrocco Keeley Rose reported acquisition or exercise transactions in this Form 4 filing.
Standard Nuclear, Inc. reported that Chief Operating Officer Marrocco Keeley Rose received two equity compensation awards in the form of restricted stock units (RSUs) tied to Class A common stock. On July 15, 2026, Rose was granted RSUs covering 200,000 shares, vesting over four years, with 25% vesting on June 1, 2027 and the remainder in equal monthly installments, subject to continued service. On July 17, 2026, Rose received additional RSUs covering 364,625 shares, vesting over three years in quarterly 1/12th installments, also subject to continued service, resulting in 3,564,625 shares of Class A common stock held directly after this award.
Standard Nuclear, Inc. director Donald A. Moul reported a grant classified as a grant, award, or other acquisition10,964 shares
Miller Austin Scott reported acquisition or exercise transactions in this Form 4 filing.
Standard Nuclear, Inc. granted director Miller Austin Scott an equity award covering 11,436 shares of Class A common stock through restricted stock units. These RSUs vest 100% on the earlier of the day before the 2027 Annual Meeting of Stockholders or the one-year anniversary of the grant date, contingent on his continued board service.
Matina Alexander C reported acquisition or exercise transactions in this Form 4 filing.
Standard Nuclear, Inc. director Matina Alexander reported an award of 16,667 shares of Class A common stock underlying restricted stock units on 2026-07-17, at a reported price of 0.0000 per share. The RSUs vest in quarterly 1/12th installments over three years, contingent on continued service, with 16,667 shares reported as directly held after the award.
Terrani Kurt Amir reported acquisition or exercise transactions in this Form 4 filing.
Standard Nuclear, Inc. reported that CEO, President and Director Kurt Amir Terrani received two equity awards of Class A common stock. On July 15, 2026 he was granted 200,000 RSU-based shares vesting over four years, and on July 17, 2026 he was granted 3,646,250 RSU-based shares vesting quarterly over three years. Following these awards, he directly holds 7,271,250 Class A common shares.
Standard Nuclear, Inc. Executive Chairman Hendrix Thomas Edward reported IPO-related equity conversions and awards. Preferred shares held by Standard Nuclear Trust converted into 20,308 and 50,000 Class A shares, contributing to a total of 5,824,308 Class A shares that were then exchanged one-for-one into 5,824,308 Class B shares under an Exchange Agreement. Separately, he acquired an award covering 2,734,687 Class A shares in the form of RSUs vesting over three years in quarterly 1/12th installments, with each settlement share exchangeable into Class B stock and trust-held securities subject to his voting and dispositive control.
GHASEMIAN SHAHRAM reported acquisition or exercise transactions in this Form 4 filing.
Standard Nuclear, Inc. reported that Chief Legal and Compliance Officer and Corporate Secretary Shahram Ghasemian received four compensation-related awards of restricted stock units covering Class A common stock on July 15, 2026. The awards cover 40,000, 100,000, 100,000 and 360,000 shares, vesting immediately upon IPO pricing, over 18 months, and over four-year schedules beginning May 4, 2027 and June 1, 2027, in each case subject to continued service.
HARRILL KEVIN J reported acquisition or exercise transactions in this Form 4 filing.
Standard Nuclear, Inc. reported equity compensation awards to Chief Financial Officer Kevin J. Harrill. He received 100,000 shares of Class A common stock underlying restricted stock units on July 15, 2026 and 546,937 RSU-based shares on July 17, 2026, bringing his direct holdings to 1,588,159 shares. The 100,000-share grant vests over four years, with 25% vesting on June 1, 2027 and the balance in equal monthly installments, while the 546,937-share grant vests over 18 months in quarterly installments of one-sixth, all contingent on continued service.
Decisive Point Group, LLC, a 10% owner of Standard Nuclear, Inc., reported multiple equity transactions around the company’s initial public offering. Affiliated funds converted an aggregate of 16,661,314 preferred shares into Class A Common Stock at a 1-for-1 ratio under the Fifth Amended and Restated Certificate of Incorporation.
In addition, Decisive Point – Standard Nuclear V, LLC purchased 1,275,496 Class A shares at $15 per share through a reserved share program at the IPO price. Decisive Point exercises voting and dispositive control over the affiliated vehicles holding these shares, and the transactions are not reported under a Rule 10b5-1 trading plan.
Standard Nuclear, Inc. is conducting an initial public offering of 10,000,000 shares of Class A common stock at $15.00 per share, for a gross offering of $150,000,000 and expected proceeds to the company of $141,000,000 before expenses. Underwriters have a 1,500,000‑share over‑allotment option. The Class A stock will trade on the NYSE under the symbol STDN.
The company has a dual‑class structure: Class A shares carry one vote and Class B 20 votes per share, with Class B convertible into Class A. After the offering, founder Thomas Hendrix will beneficially control about 60.8% of voting power, making the company a NYSE “controlled company.”
Standard Nuclear describes itself as a leading U.S. producer of advanced nuclear fuels, focused on TRISO fuel for advanced reactors, with an accumulated deficit of $79.9 million as of March 31, 2026. It is an emerging growth company and highlights significant industry opportunity but also dependence on advanced reactor commercialization and constrained supplies of enriched uranium, including HALEU.