Deep Isolation Nuclear, Inc. (DBHL) reports that Paula Beck Whitten-Doolin, its GC and Corporate Secretary, received 2,976 restricted stock units and an incentive stock option covering 4,778 common shares on October 6, 2026. The RSUs are subject to continued service and vest through September 29, 2030; reported direct common stock holdings following the RSU award were 77,976 shares. The option has a $3.50 exercise price, begins vesting with 1,195 shares on September 29, 2027, continues in 36 monthly installments through September 29, 2030, and expires September 29, 2036.
Deep Isolation Nuclear, Inc. (DBHL) director Jonathon Angell received a grant of 23,214 restricted stock units on October 6, 2026, under the company’s 2025 Equity Incentive Plan. Each unit represents a contingent right to receive one common share upon vesting. The units vest on September 29, 2027, subject to continued service through each vesting date; conversion into shares is deferred until the earliest of a change of control, his separation from service as a director, or his death. The reported total following the transaction was 482,121 shares.
Deep Isolation Nuclear, Inc. (DBHL) reported that President-FES Steven Airhart received 20,000 RSUs and incentive stock options covering 32,110 shares on October 6, 2026. Each RSU is a contingent right to one common share; 5,000 vest on each September 29 from 2027 through 2030, subject to continued service. The options have a $3.50 exercise price, expire September 29, 2036, and vest for 8,028 shares on September 29, 2027, followed by 36 monthly installments through September 29, 2030, subject to continued service. Airhart held 412,200 common shares directly after the RSU grant.
Deep Isolation Nuclear, Inc. (DBHL) said the Texas Railroad Commission issued a drilling permit on October 1, 2026, for its full-scale, non-radioactive Commercialization Pilot near Cameron, Texas. The permit allows the project to advance from engineering and design toward construction and field activities.
The project team plans site and construction activities in preparation for subsequent drilling and subsurface testing. The pilot is designed as an end-to-end demonstration of deep borehole disposal technology using non-radioactive materials, with field data and operational experience intended to support future commercial deployment. Collaborators include the Deep Borehole Demonstration Center, Halliburton, Amentum, NAC International and Occlusion Nuclear Solutions.
Deep Isolation Nuclear, Inc. (symbol: DBHL) is the issuer of record for a Form 4 filing submitted to the SEC. Steele Christa reported acquisition or exercise transactions in this Form 4 filing.
Deep Isolation Nuclear, Inc. (DBHL) reported that director Christa Steele received a grant of 70,000 restricted stock units (RSUs) on September 16, 2026 under the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. The RSUs vested immediately, and Steele now holds 113,333 shares of common stock, with RSU settlement deferred until certain future events.
Deep Isolation Nuclear, Inc. (DBHL) reported that director Ralph L. Hunter Jr. received an equity grant of 70,000 restricted stock units (RSUs) on September 16, 2026 under the 2025 Equity Incentive Plan. The RSUs vested immediately but will convert into common shares only upon a future triggering event, bringing his reported direct holdings to 113,333 shares.
Deep Isolation Nuclear, Inc. (DBHL) reported that director Renee J. Hornbaker received a grant of 70,000 restricted stock units (RSUs) of common stock on September 16, 2026 under the 2025 Equity Incentive Plan. The RSUs vested immediately but will convert into shares only upon a change of control, her separation of service as a director, or her death. Following this award, she holds 113,333 shares of common stock directly. No Rule 10b5-1 trading plan is reported in connection with this grant.
Deep Isolation Nuclear, Inc. (DBHL) reported that director Leslie Goldman Tepper received a grant of 70,000 restricted stock units (RSUs) on September 16, 2026 under the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. Each RSU represents one share of common stock; the RSUs vested immediately, but conversion into common shares is deferred until the earliest of a change of control of the company, the director’s separation of service, or the director’s death. Following this grant, the director holds 178,250 shares of common stock directly and 25,000 shares indirectly through Bella AJT Holdings, LLC, over which the director shares voting and investment power and has a pecuniary interest. No Rule 10b5-1 trading plan is reported for these transactions.
Deep Isolation Nuclear, Inc. (DBHL) reported that director Jonathon Angell received a grant of 70,000 restricted stock units (RSUs) of common stock on September 16, 2026 under the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan at a stated price of $0.00 per share. Each RSU represents a contingent right to receive one share of common stock that vested immediately upon issuance, with conversion into common shares deferred until the earliest of a change of control of the company, Angell’s separation of service as a director, or his death. Following this award, Angell directly holds 458,907 shares of common stock, including the RSUs reported.
Deep Isolation Nuclear, Inc. (DBHL) filed an amended report to correct numerical errors in previously disclosed one-time bonus payments for two officers. The filing restates that CEO Rodney Baltzer’s annual base salary was increased from $340,000 to $425,000, with his target bonus raised from 35% to 75% of base salary, effective February 1, 2026, as approved by the Compensation Committee and Board in February 2026. The Board also approved compensation changes for Chief Commercial Officer Chris Parker and Executive Vice President, Engineering, Jesse Sloane, effective July 1, 2026, including higher base salaries, higher target bonus percentages, and one-time bonus payments to reflect the retroactive effective date.