Paula Whitten-Doolin - 06 Oct 2026 Form 4 Insider Report for Deep Isolation Nuclear, Inc. (DBHL)

Reporting relationship: GC and Corporate Secretary
Issuer ticker: DBHL
Reported as of: 06 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Oct 2026, 20:27:50 UTC
Prior SEC filing: 17 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Paula Whitten-Doolin

Key filing fact

Paula Whitten-Doolin filed Form 4 for Deep Isolation Nuclear, Inc. (DBHL) on 08 Oct 2026.

Key facts

This page summarizes Paula Whitten-Doolin's Form 4 filing for Deep Isolation Nuclear, Inc. (DBHL).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 08 Oct 2026, 20:27.

Change

Previous filing in this sequence was filed on 17 Jul 2026.
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 0001951825 Primary reporting owner

Whitten-Doolin Paula Beck

Relationship: GC and Corporate Secretary
Address: C/O DEEP ISOLATION NUCLEAR, INC., 5717 LEGACY DRIVE, STE 250, OFFICE 2079, PLANO
Signature: /s/ Paula Whitten-Doolin
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: +2,976
Change %: +4%
Price: $0.000000^*
Shares after: 77,976
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: +4,778
Change %
Price: $0.000000^*
Shares after: 4,778
Date: 06 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,778
Exercise price: $3.50
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 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: 744 RSUs on each of September 29, 2027, September 29, 2028, September 29, 2029 and 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: 1,195 option shares on September 29, 2027 and the remaining option shares in 36 monthly installments thereafter through September 29, 2030, in each case subject to the Reporting Person's continued service through each vesting date.