Every Form 4 that DEEP ISOLATION NUCLEAR (DBHL) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow DBHL and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full DBHL filings page.
Deep Isolation Nuclear, Inc. (DBHL) reports that Chair of the Board Elizabeth Muller, a director and 10% owner, received an award of 23,214 restricted stock units on October 6, 2026, under its 2025 Equity Incentive Plan. The units vest on September 29, 2027, subject to her continued service through each vesting date. Each unit represents a contingent right to receive one common share upon vesting. Conversion into shares is deferred until the earliest of a change of control, her separation from service as a director, or her death. Her reported direct holdings following the transaction were 11,771,267 shares.
Deep Isolation Nuclear, Inc. (DBHL) CFO and Treasurer Joseph Eugene Nelson was granted 3,577 restricted stock units and an option for 5,744 common shares on October 6, 2026. The RSUs vest annually from September 29, 2027 to September 29, 2030, subject to continued service. The option has a $3.50 exercise price; 1,436 shares vest on September 29, 2027, with the remaining shares vesting in 36 monthly installments through September 29, 2030, subject to continued service. It expires September 29, 2036.
Deep Isolation Nuclear, Inc. CCO Christopher Lombard Parker received 62,500 restricted stock units on October 6, 2026, bringing his directly held common shares to 79,167. The RSUs vest in four annual installments of 15,625 from September 29, 2027 through September 29, 2030, subject to continued service. He also received non-qualified stock options covering 100,344 common shares at a $3.50 exercise price, expiring September 29, 2036. Parker reported 581,338 common shares held indirectly through CS Transform Limited and shares voting and investment power over those shares.
Deep Isolation Nuclear, Inc. Chief of Staff Sophie McCallum received a grant of 40,179 restricted stock units on October 6, 2026; her reported direct common-stock holdings after the grant were 56,846 shares. The RSUs vest from September 29, 2027, through September 29, 2030, subject to continued service. She also received 62,206 incentive stock options and 2,301 non-qualified stock options, each with a $3.50 exercise price and an expiration date of September 29, 2036.
Deep Isolation Nuclear, Inc. Executive VP of Engineering Jesse Sloane received grants on October 6, 2026, of 58,594 restricted stock units and stock options covering 79,027 and 15,046 shares. Both option awards have a $3.50 exercise price and expire September 29, 2036. His reported direct common-stock holdings after the RSU grant were 71,927 shares. The awards vest on schedules subject to continued service.
Deep Isolation Nuclear, Inc. (DBHL) director Ralph L. Hunter Jr. received an award of 4,643 restricted stock units on October 6, 2026. Each unit represents a contingent right to receive one share of common stock upon vesting. The units are scheduled to vest on September 29, 2027, subject to his continued service through each vesting date. Conversion into shares is deferred until the earliest of a change of control, his separation of service as a director, or his death. Reported direct holdings following the award were 117,976 shares.
Deep Isolation Nuclear, Inc. director Christa Steele acquired 17,024 restricted stock units (RSUs) on October 6, 2026, under the company’s 2025 Equity Incentive Plan. Each RSU represents a contingent right to receive one common share upon vesting. The RSUs shall vest on September 29, 2027, subject to continued service through each vesting date. Her reported direct holdings following the award were 130,357 shares.
Deep Isolation Nuclear, Inc. (DBHL) director Renee J. Hornbaker received a grant of 15,476 restricted stock units on October 6, 2026, under the company's 2025 Equity Incentive Plan. Each RSU represents a contingent right to receive one common share. 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, her separation from service as a director, or her death. Her reported direct position following the transaction was 128,809 shares.
Deep Isolation Nuclear, Inc. director Tepper Leslie Goldman 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 one common share. The units vest on September 29, 2027, subject to continued service through each vesting date; conversion into common shares is deferred until the earliest of a change of control, separation from director service, or death. Goldman reported a direct post-transaction position of 201,464 shares and 25,000 shares held indirectly through Bella AJT Holdings, LLC, of which Goldman is a member and shares voting and investment power and pecuniary interest.
Deep Isolation Nuclear, Inc. (DBHL) President and CEO and director Rodney Baltzer received grants on October 6, 2026, of 82,054 restricted stock units, 93,212 incentive stock options and 38,526 non-qualified stock options. The options have a $3.50 exercise price and expire September 29, 2036. The RSUs vest in four annual installments from September 29, 2027, through September 29, 2030, subject to continued service; the option vesting schedules also extend through 2030 and are subject to continued service. The common-stock entry reports 1,161,764 shares following the RSU grant.
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. (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.