Deep Isolation Nuclear, Inc. (DBHL) IPO - S-1 Filing, Stock & Insider Activity
Deep Isolation Nuclear, Inc. IPO - Status & S-1 Filing
- Ticker: DBHL
- Status: Registered - S-1 filed with the SEC
- S-1 filed: 2026-01-05
- Exchange: NASDAQ
- Expected price range: not yet disclosed (set in a later S-1/A or pricing amendment)
- Shares offered: 58,506,213
- SEC CIK: 0001918080 · View the S-1 on SEC EDGAR →
Track every registration update on the InsiderAlpha IPO tracker.
Last SEC filing
Deep Isolation Nuclear, Inc. (DBHL) has filed 2 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-29. 3 Form 8-K material event filings were reported by DBHL in the last 90 days. InsiderAlpha tracks every DBHL SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About Deep Isolation Nuclear, Inc. (DBHL)
Deep Isolation Nuclear, Inc. trades under the ticker DBHL. InsiderAlpha tracks 24 primary SEC Form 4 filings from 15 reporting insiders for DBHL since 2025, sourced directly from SEC EDGAR.
| Sector | Utilities insider trading |
|---|---|
| SIC classification | Refuse Systems (SIC 4953) |
| SEC CIK | 0001918080 |
90-Day SEC Filing Activity
| Form 4 filings (90d) | 2 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Latest Form 4 filing | 2026-05-29 |
Recent DBHL Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Joseph Eugene Nelson | Chief Financial Officer | A - Grant or award | 100.0K | $0.00 | - | SEC | |
| Paula Beck Whitten-Doolin | General Counsel | A - Grant or award | 75.0K | $0.00 | - | SEC | |
| Ralph L. Hunter Jr. | Director | A - Grant or award | 43.3K | $0.00 | - | SEC | |
| Renee J. Hornbaker | Director | A - Grant or award | 43.3K | $0.00 | - | SEC | |
| Christa Steele | Director | A - Grant or award | 43.3K | $0.00 | - | SEC | |
| Jesse Sloane | EVP Engineering | A - Grant or award | 738 | $0.00 | - | SEC | |
| Elizabeth Muller | Director | A - Grant or award | 43.3K | $0.00 | - | SEC | |
| Jonathon Angell | Director | A - Grant or award | 43.3K | $0.00 | - | SEC | |
| Sophie McCallum | Chief of Staff, Corp. Sec. | A - Grant or award | 6.8K | $0.00 | - | SEC | |
| Christopher Lombard Parker | CCO | A - Grant or award | 5.1K | $0.00 | - | SEC | |
| Tepper Leslie Goldman | Director | A - Grant or award | 43.3K | $0.00 | - | SEC | |
| Renee J. Hornbaker | Director | A - Grant or award | 32.5K | $0.00 | - | SEC | |
| Christa Steele | Director | A - Grant or award | 32.5K | $0.00 | - | SEC | |
| Elizabeth Muller | Director | A - Grant or award | 32.5K | $0.00 | - | SEC | |
| Steven Airhart | Pres, Freestone Env Svcs | A - Grant or award | 11.1K | $0.00 | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Deep Isolation Nuclear, Inc. (DBHL). Updated in real time as new filings are submitted to the SEC.
Most-Active DBHL Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Paula Beck Whitten-Doolin | 2 | - |
| Joseph Eugene Nelson | 2 | - |
Recent DBHL Form 8-K Material Events
- - Item 7.01, 9.01 [SEC]
- - Item 5.07 [SEC]
- - Item 2.02, 7.01, 9.01 [SEC]
- - Item 7.01, 9.01 · Contract · positive [SEC]
Deep Isolation Nuclear was selected for the U.S. Department of Energy's ARPA-E SCALEUP Ready program to support commercial deployment of its Universal Canister System for nuclear waste management. This is a competitive government award that validates the company's technology and - - Item 5.02, 9.01 · Leadership · neutral [SEC]
The Board of Directors approved changes to CEO Rodney Baltzer's compensation package, increasing his base salary to $425,000, adding a 75% performance-based bonus target, and establishing a $600,000 long-term equity incentive. This is a routine compensation adjustment for the exi
Recent Insider Filings
- - Paula Beck Whitten-Doolin (General Counsel)
- - Joseph Eugene Nelson (Chief Financial Officer)
- - Ralph L. Hunter Jr. (Director)
- - Elizabeth Muller (Director)
- - Christa Steele (Director)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in DBHL insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
DBHL Insider Trading - FAQ
- What is the latest insider trade for DBHL?
- Deep Isolation Nuclear, Inc. (DBHL) had 2 insider filings in the last 90 days, with the most recent on 2026-05-29. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying DBHL stock?
- 0 insider purchases of DBHL were filed in the last 90 days.
- How many insiders are selling DBHL stock?
- 0 insider sales of DBHL were filed in the last 90 days.
- Where can I see DBHL SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks DBHL Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live DBHL dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.