Jesse Sloane - 06 Oct 2026 Form 4 Insider Report for Deep Isolation Nuclear, Inc. (DBHL)

Reporting relationship: Executive VP of Engineering
Issuer ticker: DBHL
Reported as of: 06 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Oct 2026, 20:30:27 UTC
Prior SEC filing: 21 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Jesse Sloane

Key filing fact

Jesse Sloane filed Form 4 for Deep Isolation Nuclear, Inc. (DBHL) on 08 Oct 2026.

Key facts

This page summarizes Jesse Sloane's Form 4 filing for Deep Isolation Nuclear, Inc. (DBHL).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 08 Oct 2026, 20:30.

Change

Previous filing in this sequence was filed on 21 Nov 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 0002081236 Primary reporting owner

Sloane Jesse

Relationship: Executive VP of Engineering
Address: C/O DEEP ISOLATION NUCLEAR, INC., 5717 LEGACY DRIVE, STE 250, OFFICE 2079, PLANO
Signature: /s/ Jesse Sloane
Signature date: 08 Oct 2026

Reported non-derivative transactions

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

DBHL transaction

Common Stock

Award

Transaction value
Shares: +58,594
Change %: +439%
Price: $0.000000^*
Shares after: 71,927
Date: 06 Oct 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

DBHL transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +79,027
Change %
Price: $0.000000^*
Shares after: 79,027
Date: 06 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 79,027
Exercise price: $3.50
Footnotes: F2

DBHL transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +15,046
Change %
Price: $0.000000^*
Shares after: 15,046
Date: 06 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 15,046
Exercise price: $3.50
Footnotes: F2, 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 a grant of restricted stock units ("RSUs") to the Reporting Person pursuant to the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting. The RSUs shall vest as follows: 14,649 RSUs on September 29, 2027, 14,648 RSUs on September 29, 2028, 14,649 RSUs on September 29, 2029 and 14,648 RSUs on September 29, 2030, in each case subject to the Reporting Person's continued service through each vesting date.

Footnote F2

Represents a grant of incentive stock option pursuant to the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. The option shall vest as follows: 20,000 option shares on September 29, 2027, with the remaining option shares vesting in monthly installments on the 29th day of each month (or the last day of the month, if earlier) from January 29, 2028 through September 29, 2030, other than December 2028 and December 2029, in each case subject to the Reporting Person's continued service through each vesting date.

Footnote F3

Represents a grant of non-qualified stock option pursuant to the Deep Isolation Nuclear, Inc. 2025 Equity Incentive Plan. The option shall vest as follows: 3,518 option shares on September 29, 2027, 1,960 option shares on each of October 29, November 29 and December 29, 2027, 1,558 option shares on November 29, 2028, 1,960 option shares on December 29, 2028, 170 option shares on November 29, 2029 and 1,960 option shares on December 29, 2029, in each case subject to the Reporting Person's continued service through each vesting date.