GridAI Technologies Corp. filed Post-Effective Amendment No. 2 to its Form S-1 Registration Statement (Registration No. 333-289864) with the SEC on October 28, 2026, updating the prospectus to cover the resale of 1,250,164 shares of common stock issuable upon the exercise of outstanding Common Warrants.

Key Highlights

  • Shares covered: The amendment addresses up to 1,250,164 shares of common stock issuable upon exercise of outstanding, unexercised Common Warrants.
  • Warrants exercised to date: As of the filing date, 3,695,346 Warrants have been exercised, including all 1,626,282 Pre-Funded Warrants and 2,069,064 Common Warrants.
  • Original registration: The Registration Statement was originally declared effective by the SEC on September 15, 2025, and covers warrants issued under a Securities Purchase Agreement dated August 9, 2025.
  • No new securities registered: According to the filing, "No additional securities are being registered under this Post-Effective Amendment No. 2."
  • Company proceeds: GridAI disclosed it will not receive proceeds from selling stockholders' sales of shares but may receive cash from any Common Warrants exercised for cash.
  • Stock price: The last reported sale price of the company's common stock on the Nasdaq Capital Market was $5.55 per share on October 26, 2026.
  • Filer classification: The registrant identified itself as a non-accelerated filer and a smaller reporting company.

GridAI Technologies Updates S-1 Prospectus for Remaining Common Warrant Shares

GridAI Technologies Corp. (NASDAQ:GRDX), headquartered at 433 Plaza Real, Suite 275, Boca Raton, Florida, filed Post-Effective Amendment No. 2 to its Form S-1 Registration Statement on October 28, 2026. According to the filing, the amendment is being made to update the prospectus pursuant to Section 10(a)(3) of the Securities Act of 1933, in connection with a continuous offering under Rule 415 of 1,250,164 shares of common stock issuable upon the exercise of the remaining outstanding Common Warrants.

The original Registration Statement covered the resale of up to 4,945,510 shares issuable upon exercise of both Pre-Funded Warrants and Common Warrants, all issued under a Securities Purchase Agreement dated August 9, 2025. The filing disclosed that as of the Post-Effective Amendment No. 2 date, 3,695,346 of those Warrants have been exercised, specifically all 1,626,282 Pre-Funded Warrants and 2,069,064 Common Warrants. Post-Effective Amendment No. 1 was filed with the SEC on June 4, 2026.

The prospectus identifies selling stockholders as the parties who may offer and resell the 1,250,164 shares covered by this amendment. The company stated it will pay all registration-related expenses other than selling-side discounts, concessions, and commissions, which are to be borne by the selling stockholders. All applicable registration fees were reported as having been paid at the time of the original filing. The filing also noted that the prospectus is preliminary and subject to completion, dated October 27, 2026, and carries standard risk-factor disclosures referencing page 8 of the document.

What Was Disclosed

GridAI Technologies filed a post-effective amendment to its S-1 registration statement on October 28, 2026, to update the prospectus for the remaining 1,250,164 unexercised Common Warrants out of an originally registered 4,945,510-warrant offering, with no new securities being registered.