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SolarMax Technology (SMXT) delays 2025 10-K; $14.3M convertible-note default

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
NT 10-K

Rhea-AI Filing Summary

SolarMax Technology Inc. notified the SEC that it cannot file its Annual Report on Form 10-K for the year ended December 31, 2025 on time and anticipates filing within 15 days of the original due date. The company cites extra time needed to resolve accounting issues tied to a default on convertible notes and matters related to a contract with an entity in which SolarMax will hold a minority interest.

SolarMax provided preliminary results showing a loss of approximately $6.3 million on $91.0 million of revenue for 2025 versus a loss of approximately $35.0 million on $23.0 million of revenue for 2024. The company disclosed it is in default on convertible notes with an aggregate principal amount of $14.3 million, and that $60.2 million of 2025 revenue (66.1%) relates to one EPC contract tied to the entity where it will hold a minority equity interest.

Positive

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Negative

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Insights

NT 10-K cites accounting work tied to a convertible-note default and a large related-party EPC contract.

SolarMax’s notification states it is in default on convertible notes totaling $14.3M and needs extra time to resolve accounting issues, which could affect covenant status, classification of debt, and disclosure of contingent liabilities.

Key items to watch in the upcoming filing are how the convertible notes are classified (current versus long-term), any acceleration or waiver language, and a reconciliation of the $6.3M preliminary loss and the $60.2M of revenue from the single EPC contract.

2025 preliminary loss $6.3 million year ended December 31, 2025
2025 preliminary revenue $91.0 million year ended December 31, 2025
2024 loss (comparison) $35.0 million year ended December 31, 2024
2024 revenue (comparison) $23.0 million year ended December 31, 2024
Revenue from single EPC contract $60.2 million 2025; represents 66.1% of 2025 revenue
Convertible notes in default $14.3 million aggregate principal amount as of December 31, 2025
EPC services technical
"engineering, procurement and construction (“EPC”) services for solar-based battery"
Form 12b-25 regulatory
"FORM 12b-25 NOTIFICATION OF LATE FILING"
Form 12b-25 is a notice a publicly traded company files with the U.S. Securities and Exchange Commission when it cannot deliver a required periodic report (like a quarterly or annual financial report) on time. It explains the reason for the delay and gives the company a short, temporary window to finish the report without being marked as delinquent; investors watch it because late filings can signal accounting, operational, or control issues that may affect a company’s reliability and stock risk, much like a missed homework deadline can raise concerns about a student’s preparedness.
convertible notes financial
"default on convertible notes in the aggregate principal amount of $14.3 million"
Convertible notes are a type of short-term loan that a company receives from investors, which can later be turned into company shares instead of being paid back in cash. They matter to investors because they offer a way to support a company early on while giving the potential to own a stake in its success if the company grows and later raises more funding.

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 12b-25

 

NOTIFICATION OF LATE FILING

 

SEC FILE NUMBER: 001-41959

 

(Check One):

☒     Form 10-K       ☐     Form 20-F       ☐     Form 11-K       ☐     Form 10-Q       ☐     Form 10-D       ☐     Form N-SAR

☐     Form N-CSR

 

For period ended:

December 31, 2025

 

Transition Report on Form 10-K

Transition Report on Form 20-F

Transition Report on Form 11-K

Transition Report on Form 10-Q

Transition Report on Form N-SAR

 

For the transition period ended: ___________________________________________________

 

Read Instruction (on back page) Before Preparing Form. Please Print or Type.

Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

 

If the notification relates to a portion of the filing checked above, identify the item(s) to which the notification relates:

 

 

PART I—REGISTRANT INFORMATION

 

SolarMax Technology Inc.

Full Name of Registrant

 

3080 12th Street

Address of Principal Executive Office (Street and Number)

 

Riverside, California 92507

City, State and Zip Code

 

 

 

 

PART II—RULE 12b-25(b) and (c)

 

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate)

 

(a)

The reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;

 

 

(b)

The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and

 

 

(c)

The accountant’s statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

 

PART III—NARRATIVE

 

State below in reasonable detail the reasons why the Form 10-K could not be filed within the prescribed time period.

 

SolarMax Technology, Inc. (the “Company”) is unable to file its Annual Report on Form 10-K for the year ended December 31, 2025 (the “2025 Form 10-K”) within the prescribed time period, because of extra time required in order to resolve accounting issues relating to the default by the Company of certain convertible notes and issues relating to a contract with an entity in which the Company is to have a minority interest.  The Company requires additional time to compile and process the information necessary for the completion of the 2025 Form 10-K. The Company anticipates filing the 2025 Form 10-K no later than 15 days after the original filing date.

 

PART IV—OTHER INFORMATION

 

(1)

Name and telephone number of person to contact with regard to this notification.

 

 

David Hsu

 

(951) 300-0788

 

(Name)

 

(Telephone Number)

 

(2)

Have all other periodic reports required under Section 13 or 15(d) or the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If the answer is no, identify report(s).

 

☒ Yes     ☐ No

 

(3)

Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?

 

☒ Yes     ☐ No

 

If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reason why a reasonable estimate of the results cannot be made.

 

 

2

 

 

Based on preliminary financial results, the Company expects to report a loss of approximately $6.3 million for the year ended December 31, 2025 on revenues of approximately $91.0 million, as compared with a loss of approximately $35.0 million on revenues of approximately $23.0 million for the year ended December 31, 2024.   Since the third quarter of 2025, the Company’s primary business has been negotiating contracts and performing engineering, procurement and construction (“EPC”) services for solar-based battery energy storage systems commercial systems. During the year ended December 31, 2025, the Company generated revenue of $60.2 million, representing 66.1% of its revenue for the year, pursuant to one contract for EPC services for a company in which the Company is to have a minority equity interest.  The financial statements also reflect that from April 2023 through December 31, 2025, the Company did not pay annual installments of principal and related quarterly interest payments when due which resulted in an event of default on convertible notes. At December 31, 2025, the Company is in default on convertible notes in the aggregate principal amount of $14.3 million is.

 

The financial results presented above for the year ended December 31, 2025 reflect preliminary estimates of the Company’s results of operations as of the date of the filing of the Form 12b-25. These estimates are subject to change upon the completion of the reporting process and review of the Company’s financial statements, and actual results may vary significantly from these estimates.

 

Cautionary Note on Forward-Looking Statements

 

This notification contains or may contain, among other things, certain forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995.  Such forward-looking statements involve significant risks and uncertainties.  Such statements may include, without limitation, statements with respect to the Company’s plans, objectives, projections, expectations and intentions and other statements identified by words such as “projects,” “may,” “could,”  “would,” “should,” “believes,” “expects,” “anticipates,” “estimates,” “intends,” “plans” or similar expressions. These statements are based upon the current beliefs and expectations of the Company’s management and are subject to significant risks and uncertainties, including those detailed in the sections “Cautionary Note Concerning Forward-Looking Statements, “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s Form 10-K for the year ended December 31, 2024, which was filed with the Securities and Exchange Commission on March 31, 2025 and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s Form 10-Q for the quarter ended September 30, 2025 which was filed with the Securities and Exchange Commission on November 14, 2025.  Actual results may differ significantly from those set forth in the forward-looking statements.  These forward-looking statements involve certain risks and uncertainties that are subject to change based on various factors (many of which are beyond the Company’s control).  The Company does not intend to publicly update any forward-looking statements, whether as a result of new information, future events, or otherwise, except as may be required under applicable securities laws.

 

 

3

 

 

SolarMax Technology, Inc.

(Name of Registrant as Specified in Charter)

 

has caused this notification to be signed on its behalf by the undersigned heretofore duly authorized.

 

Date: March 31, 2026

By:

/s/ David Hsu

 

 

Name:

David Hsu

 

 

Title:

Chief Executive Officer

(Principal Executive Officer)

 

 

 

4

 

FAQ

What did SolarMax (SMXT) say about the 2025 Form 10-K filing delay?

The company said it needs extra time to resolve accounting issues before filing the 2025 Form 10-K. SolarMax cited issues related to a default on convertible notes and accounting for a contract with an entity in which it will hold a minority interest; it expects to file within 15 days of the original due date.

What are SolarMax's preliminary 2025 financial results?

SolarMax preliminarily reported a loss of approximately $6.3 million on revenue of approximately $91.0 million for 2025. These are preliminary estimates and the company warned final figures may change when the 2025 Form 10-K is completed and reviewed.

How much revenue came from the single EPC contract disclosed by SolarMax?

The company reported $60.2 million of 2025 revenue from one EPC contract, representing 66.1% of 2025 revenue. That contract is for services rendered to an entity in which SolarMax is to hold a minority equity interest.

What convertible-note defaults did SolarMax disclose?

SolarMax disclosed it is in default on convertible notes with aggregate principal amount of $14.3 million as of December 31, 2025. The filing links the default to missed principal installments and quarterly interest payments dating from April 2023 through year-end 2025.
SolarMax Technology

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Solar
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United States
RIVERSIDE