ENDRA communication: Tetra4 achieves helium production

Rhea-AI Filing Summary

ENDRA Life Sciences Inc. (NDRA) is identified as the issuer in the supplied metadata; the report text identifies ASP Isotopes Inc. as registrant and says Tetra4 Proprietary Limited, a subsidiary of Renergen Limited, completed commissioning and achieved stable production of liquid helium.

Key Terms

commissioning, stable production, forward-looking, safe harbor

4 terms

commissioning technical

"completed commissioning and achieved stable production of liquid helium"

Commissioning is the process of officially starting or activating a new project, system, or facility after it has been built or prepared. It involves testing and checking that everything functions correctly and safely before it begins full operation. For investors, commissioning signals that a project or asset is moving closer to generating value or revenue, which can impact its potential profitability and timing of returns.

stable production technical

"achieved stable production of liquid helium"

forward-looking regulatory

"certain statements contained therein are “forward-looking” rather than historical"

Forward-looking describes statements, estimates or projections about a company’s future performance, plans or expectations rather than past results. Like a weather forecast for a business, these predictions help investors form expectations and decide whether to buy, hold or sell, but they are not guarantees and can change if conditions differ from assumptions. Investors use them to gauge management’s strategy and potential risks and rewards.

safe harbor regulatory

"includes “safe harbor” language pursuant to the Private Securities Litigation Reform Act"

Safe harbor is a rule that protects companies or individuals from legal trouble if they follow certain guidelines or procedures. It’s like having a safety net that allows them to act without fear of punishment, as long as they stick to the rules. This helps encourage honest behavior and clear standards in financial and legal activities.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/26/2026 - 05:21 PM EDT Accepted by SEC EDGAR 10/26/2026 - 04:16 PM EDT Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 26, 2026

ASP Isotopes Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware				001-41555		87-2618235
(State or Other Jurisdiction of Incorporation)				(Commission File Number)		(IRS Employer Identification No.)

2200 Ross Avenue Suite 4575E Dallas, Texas				75201
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (214) 432-8219

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☒    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, par value $0.01		ASPI		The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01 Regulation FD Disclosure.

On October 26, 2026, ASP Isotopes Inc. (the “Company”) issued a press release announcing that Tetra4 Proprietary Limited, a subsidiary of Renergen Limited, has completed commissioning and achieved stable production of liquid helium.

The information in this Item 7.01 and in the Press Release shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended, and shall not be incorporated by reference into any filing with the U.S. Securities and Exchange Commission, whether made by the Company before or after the date hereof, regardless of any general incorporation language in such filing.

The Press Release includes “safe harbor” language pursuant to the Private Securities Litigation Reform Act of 1995, as amended, indicating that certain statements contained therein are “forward-looking” rather than historical.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
99.1		Press Release dated October 26, 2026.
104		Cover Page Interactive Date File (embedded within the Inline XBRL document)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		ASP ISOTOPES INC.
Date:	October 26, 2026	By:	/s/ Donald G. Ainscow
		Name: Title:	Donald G. Ainscow Executive Vice President, General Counsel and Secretary

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