Standard Nuclear, Inc. (STDN) IPO - S-1 Filing, Stock & Insider Activity
Standard Nuclear, Inc. IPO - Status & S-1 Filing
- Ticker: STDN
- Status: Priced - IPO complete
- S-1 filed: 2026-06-18
- Effective: 2026-07-15
- IPO / pricing date: 2026-07-16
- Expected price range: not yet disclosed (set in a later S-1/A or pricing amendment)
- SEC CIK: 0002086716 · View the S-1 on SEC EDGAR →
Track every registration update on the InsiderAlpha IPO tracker.
Last SEC filing
Standard Nuclear, Inc. (STDN) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-31. Insiders disclosed 1 open-market purchases totaling $19.13M. 2 Form 8-K material event filings were reported by STDN in the last 90 days. InsiderAlpha tracks every STDN SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About Standard Nuclear, Inc. (STDN)
Standard Nuclear, Inc. trades under the ticker STDN. InsiderAlpha tracks 15 primary SEC Form 4 filings from 12 reporting insiders for STDN since 2026, sourced directly from SEC EDGAR.
| SEC CIK | 0002086716 |
|---|
90-Day SEC Filing Activity
| Insider purchases (90d) | 1 ($19.13M) |
|---|---|
| Form 4 filings (90d) | 15 |
| Form 8-K filings (90d) | 2 |
| Latest Form 4 filing | 2026-07-31 |
Recent STDN Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 245.0K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 245.0K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 175.0K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 60.0K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 175.0K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 175.0K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 629.4K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 629.4K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 175.0K | $0.00 | - | SEC | |
| Kurt Amir Terrani | CEO and Director | G - Bona-fide gift | 60.0K | $0.00 | - | SEC | |
| Decisive Point Group, LLC | Insider | J - Other acquisition / disposition | 1.15M | - | - | SEC | |
| Thomas Edward Hendrix | Chairman of the Board | J - Other acquisition / disposition | 50.0K | $0.00 | - | SEC | |
| Thomas Edward Hendrix | Chairman of the Board | J - Other acquisition / disposition | 20.3K | $0.00 | - | SEC | |
| Thomas Edward Hendrix | Chairman of the Board | J - Other acquisition / disposition | 5.82M | $0.00 | - | SEC | |
| Thomas Edward Hendrix | Chairman of the Board | A - Grant or award | 2.73M | $0.00 | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Standard Nuclear, Inc. (STDN). Updated in real time as new filings are submitted to the SEC.
Most-Active STDN Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Fundomo SN-001, LP | 15 | - |
| Decisive Point Group, LLC | 15 | $19.13M |
| Kurt Amir Terrani | 12 | - |
| Thomas Edward Hendrix | 5 | - |
| Shahram Ghasemian | 4 | - |
Recent STDN Form 8-K Material Events
Recent Insider Filings
- - Fundomo SN-001, LP (10% Owner)
- - ST-1014 Fund I, a series of Fundomo Syndicates, LP (10% Owner)
- - Welara Capital Partners LLC Series 3 (10% Owner)
- - Kurt Amir Terrani (CEO and Director)
- - Fundomo SN-001, LP (10% Owner)
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 STDN 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 |
STDN Insider Trading - FAQ
- What is the latest insider trade for STDN?
- Standard Nuclear, Inc. (STDN) had 15 insider filings in the last 90 days, with the most recent on 2026-07-31. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying STDN stock?
- 1 insider purchase of STDN was filed in the last 90 days, totaling $19.13M.
- How many insiders are selling STDN stock?
- 0 insider sales of STDN were filed in the last 90 days.
- Where can I see STDN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks STDN 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 STDN dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.