[NT 10-Q] Alternus Clean Energy, Inc. SEC Filing

Rhea-AI Filing Summary

Alternus Clean Energy, Inc. has filed a Form 12b-25 to notify a late filing of its Quarterly Report on Form 10-Q for the period ended September 30, 2025. The company states it cannot file the report on time without unreasonable effort or expense and needs more time to complete the final review of its financial statements and other disclosures. Alternus Clean Energy indicates it is working diligently and anticipates filing the Form 10-Q within five calendar days following the prescribed due date in accordance with Rule 12b-25(b).

Insights

Securities disclosure analyst

Alternus Clean Energy signals a short administrative delay in filing its Q3 2025 10-Q.

Alternus Clean Energy, Inc. has submitted a Form 12b-25 indicating it will not meet the original deadline for its Form 10-Q for the period ended September 30, 2025. The company cites the need for additional time to complete the final review of its financial statements and other disclosures, framing the delay as tied to review and preparation efforts.

The notice states the company is, and has been, working diligently to finish the report and that it expects to file the Form 10-Q within five calendar days following the prescribed due date under Rule 12b-25(b). This positions the delay as limited in duration, with the filing still expected within the grace period contemplated by that rule.

The actual importance for shareholders will depend on whether the Form 10-Q is filed within that five-day window and what the completed financial statements and disclosures show for the quarter ended September 30, 2025.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 12b-25

NOTIFICATION OF LATE FILING

(Check one): ☐ Form 10-K  ☐ Form 20-F  ☐ Form 11-K  ☒ Form 10-Q ☐ Form N-SAR  ☐ Form N-CSR

For Period Ended:   9/30/2025

☐ 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: n/a

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

ALTERNUS CLEAN ENERGY, INC.

Full Name of Registrant

N/A

Former Name if Applicable

17 State Street, Suite 4000

Address of Principal Executive Office (Street and Number)

New York City, NY 10004

City, State and Zip Code

PART II -- RULES 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 reasons 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 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 why Forms 10-K, 20-F, 11-K, 10-Q, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.

Alternus Clean Energy, Inc. (the “Company,” “we,” “us” or “our”) has determined that it is unable, without unreasonable effort or expense, to file its Quarterly Report on Form 10-Q for the period ended September 30, 2025 (the “Form 10-Q”) on or before the prescribed due date. The Company requires additional time to complete the final review of its financial statements and other disclosures in the Quarterly Report. The Company is, and has been, working diligently to complete its Form 10-Q as soon as possible and anticipates that the Form 10-Q will be filed within five calendar days following the prescribed due date in compliance with Rule 12b-25(b).

PART IV -- OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this notification

Vincent Browne		212		739-0727
(Name)		(Area Code)		(Telephone Number)

(2) Have all other periodic reports required under Section 13 or 15(d) of 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 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 reasons why a reasonable estimate of the results cannot be made.

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Alternus Clean Energy, Inc. 

(Name of Registrant as Specified in Charter)

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

Dated:	11/17/2025		By:	/s/ Vincent Browne
				Chief Executive Officer and Chief Financial Officer (Interim)

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FAQ

What did Alternus Clean Energy (ACLEW) file with the SEC?

Alternus Clean Energy, Inc. filed a Form 12b-25, which is a notification of late filing for its Quarterly Report on Form 10-Q for the period ended September 30, 2025.

Why is Alternus Clean Energy delaying its Q3 2025 Form 10-Q?

The company states it is unable, without unreasonable effort or expense, to file its Form 10-Q on or before the prescribed due date because it requires additional time to complete the final review of its financial statements and other disclosures.

When does Alternus Clean Energy expect to file the delayed Form 10-Q?

Alternus Clean Energy anticipates that the Form 10-Q for the period ended September 30, 2025 will be filed within five calendar days following the prescribed due date, consistent with Rule 12b-25(b).

Does this late filing notice from Alternus Clean Energy indicate changes in results of operations?

The notice explains the timing delay and the need for additional review of financial statements and disclosures. It does not provide details in the excerpt about changes in results of operations for the period ended September 30, 2025.

Who signed the late filing notification for Alternus Clean Energy?

The notification was signed on behalf of Alternus Clean Energy, Inc. by Vincent Browne, identified as the companys Chief Executive Officer and Chief Financial Officer (Interim).

What SEC rule does Alternus Clean Energy reference in its late 10-Q notice?

The company states that it anticipates filing its Form 10-Q within five calendar days following the prescribed due date in compliance with Rule 12b-25(b).