UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2025 Delaware 001-41328 85-3373323 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 4360 E. New York Street, Aurora, IL 60504 (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: (330) 352 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to GOLDENSTONE ACQUISITION LIMITED (Exact Name of Registrant as Specified in Charter) Delaware 001-41328 85-3373323 (State or Other Jurisdiction of Incorporation) (C ...

IPO and Trust Account - The company completed its IPO on March 21, 2022, raising $57.5 million by selling 5,750,000 units at $10.00 per unit, including the underwriters' over-allotment [132]. - A total of $58,362,500 was deposited in a Trust Account for the benefit of public stockholders, amounting to $10.15 per share from the IPO and private placement [134]. - The company has extended the deadline for completing its initial business combination to June 21, 2025, with a total of $1,725,000 deposited into the Trust Account for extensions [142]. - On June 18, 2024, approximately $38.0 million was removed from the Trust Account to pay redeeming shareholders, with 3,395,590 shares tendered for redemption [147]. - As of June 30, 2025, the company had 442,996 shares of public common stock outstanding and approximately $5.1 million remaining in the Trust Account after redemptions [149]. Business Combination Efforts - The company entered into a nonbinding LOI for a potential business combination with Infintium Fuel Cell Systems, Inc., with a non-refundable earnest money deposit of $200,000 [140]. - The company has filed its initial Form S-4 Registrant Statement on January 30, 2025, for the business combination with Infintium, but there is no assurance of completion [141]. - The company has removed the net tangible asset requirement of at least $5,000,001 for consummating a business combination as part of the amendments approved on September 21, 2023 [145]. - The company has made a total of twelve deposits of $50,000 into the Trust Account to extend the business combination deadline by twelve months [147]. - The company cannot assure that its plans to complete the initial business combination will be successful [136]. - The company has until August 21, 2025, to complete a Business Combination, with the possibility of extending this period up to 21 months [161]. Financial Performance - For the three months ended June 30, 2025, the company incurred a net loss of $235,827, with operating costs of $379,823 and interest income of $194,873 [151]. - As of June 30, 2025, the company had $4,224 in cash and a working capital deficit of $4,937,384, compared to $14,692 in cash at March 31, 2025 [153]. - Cash used in operating activities for the three months ended June 30, 2025, was $185,468, primarily due to a net loss of $235,827 [154]. - Cash provided by financing activities for the three months ended June 30, 2025, was $325,000, mainly from working capital and extension loans from the Sponsor [158]. - The company had $3,301,966 in borrowings under working capital and extension loans as of June 30, 2025 [162]. - For the three months ended June 30, 2024, the company generated a net income of $22,595, with interest income of $693,260 [152]. - Cash provided by investing activities for the three months ended June 30, 2024, was $38,447,855, primarily from the withdrawal of investments for stockholder redemptions [157]. Going Concern and Accounting - The company plans to address going concern uncertainties through Working Capital Loans, with substantial doubt raised about its ability to continue as a going concern [163]. - The company does not anticipate any material effect from recently issued accounting pronouncements on its financial statements [167].

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to GOLDENSTONE ACQUISITION LIMITED (Exact Name of Registrant as Specified in its Charter) | Delaware | 001-41328 | 85-3373323 | | --- | --- | --- | | (State or other jurisdiction | ...

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the quarterly period ended December 31, 2024 For the transition period from to FORM 10-Q GOLDENSTONE ACQUISITION LIMITED | (Exact Name of Registrant as Specified in Charter) | | | | --- | --- | --- | | Delaware | 001-41328 | 85-3373323 | | (State or Ot ...

Under the terms of the Business Combination Agreement, the transaction values Infintium at a premoney enterprise value of $130 million. The Business Combination would provide approximately $18 million in gross cash proceeds to Infintium at closing, before transaction expenses and assuming no redemptions of shares by Goldenstone's existing public stockholders. Existing Infintium stockholders are rolling 100% of their equity into the combined company post Business Combination. The proceeds from the Business C ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2024 Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934: ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to GOLDENSTONE ACQUISITION LIMITED (Exact Name of Registrant as Specified in its Charter) | ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to GOLDENSTONE ACQUISITION LIMITED (Exact Name of Registrant as Specified in Charter) Delaware 001-41328 85-3373323 (State or Other Jurisdiction of Incorporation) (Co ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to GOLDENSTONE ACQUISITION LIMITED | (Exact Name of Registrant as Specified in Charter) | | | | --- | --- | --- | | Delaware | 001-41328 | 85-3373323 | | (State or O ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to GOLDENSTONE ACQUISITION LIMITED (Exact Name of Registrant as Specified in Charter) Delaware 001-41328 85-3373323 (State or Other Jurisdiction of Incorporation) (Commis ...