Leslie Goldman Tepper - 01 Oct 2025 Form 4 Insider Report for Deep Isolation Nuclear, Inc.

Reporting relationship: Director
Issuer ticker: DBHL on OTC
Reported as of: 01 Oct 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Oct 2025, 16:00:23 UTC
Prior SEC filing: 05 Aug 2025
Next SEC filing: 14 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Leslie Goldman Tepper

Key filing fact

Leslie Goldman Tepper filed Form 4 for Deep Isolation Nuclear, Inc. on 03 Oct 2025.

Key facts

This page summarizes Leslie Goldman Tepper's Form 4 filing for Deep Isolation Nuclear, Inc..
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Oct 2025, 16:00.

Change

Previous filing in this sequence was filed on 05 Aug 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002062355 Primary reporting owner

Goldman Tepper Leslie

Relationship: Director
Address: C/O DEEP ISOLATION NUCLEAR, INC., 2001 ADDISON STREET, SUITE 300, BERKELEY
Signature: /s/ Leslie Goldman Tepper
Signature date: 03 Oct 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

No ticker transaction

Common Stock

Award

Transaction value: $0
Shares: +32,500
Change %: +50%
Price: $0.000000
Shares after: 97,687
Date: 01 Oct 2025
Ownership: Direct
Footnotes: F1

No ticker holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 25,000
Date: 01 Oct 2025
Ownership: By Bella AJT Holdings, LLC
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

No ticker transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +10,833
Change %
Price: $0.000000
Shares after: 10,833
Date: 01 Oct 2025
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 10,833
Exercise price: $3.00
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs are subject to a 4-year vesting period, whereby 1/48th of the RSUs will vest monthly beginning October 1, 2025, subject to the Reporting Person's continuous service through each vesting date.

Footnote F2

The Reporting Person is a member of Bella AJT Holdings, LLC and shares voting and investment power over and a pecuniary interest in the securities held by such entity.

Footnote F3

The Stock Option is subject to a 4-year vesting schedule, whereby 1/48th of the option shares will vest monthly beginning on October 1, 2025, subject to Reporting Person's continued service through each vesting date.