Momentus delays Q3 2025 10-Q; revenue $0.7M, opex $19.1M

Rhea-AI Filing Summary

Momentus Inc. (MNTS) filed a Form 12b-25, notifying a late filing of its Form 10‑Q for the quarter ended September 30, 2025. The company cites the need for additional time to finalize the accounting treatment of certain warrants tied to an equity purchase agreement executed on September 25, 2025, and states it is working diligently to complete the report.

Preliminary nine‑month results show service revenue of $0.7 million versus $1.8 million a year ago, operating expenses of $19.1 million versus $24.6 million, and loss from operations of $(18.4) million versus $(22.9) million. Net loss increased to $(28.1) million from $(23.1) million, primarily due to a $(2.8) million loss on debt extinguishment and $(5.9) million other income (expense) related to amendments of outstanding convertible notes and warrant issuances in September 2025.

Insights

Equity & Credit Analyst

Late 10-Q tied to warrant accounting; prelim net loss widened.

Momentus reports a filing delay to finalize accounting for warrants associated with a September 25, 2025 equity purchase agreement. Such delays are administrative, but they can indicate complex non‑cash accounting around convertible notes and warrants.

Preliminary nine‑month figures show revenue at $0.7M vs $1.8M with lower operating expenses at $19.1M vs $24.6M. Loss from operations narrowed to $(18.4)M, while net loss widened to $(28.1)M due to a $(2.8)M debt extinguishment loss and $(5.9)M other income (expense) tied to note amendments and warrant issuances.

The ultimate impact hinges on finalized accounting in the forthcoming 10‑Q; the disclosed figures frame the drivers without providing timing beyond the quarter end.

FAQ

Why did Momentus (MNTS) delay its Q3 2025 Form 10-Q?

The company needs more time to finalize accounting for certain warrants related to an equity purchase agreement signed on September 25, 2025.

What are Momentus’s preliminary nine-month 2025 results?

Service revenue was $0.7 million; operating expenses were $19.1 million; loss from operations was $(18.4) million; net loss was $(28.1) million.

How did Momentus’s net loss change year over year?

Nine‑month net loss increased to $(28.1) million from $(23.1) million, driven by a debt extinguishment loss and other income (expense) items.

What drove the increase in net loss for MNTS?

Primarily a $(2.8) million loss on debt extinguishment and $(5.9) million other income (expense) tied to note amendments and warrant issuances in September 2025.

Did operating expenses change for Momentus year over year?

Yes. Total operating expenses decreased to $19.1 million from $24.6 million, reflecting lower R&D and G&A.

What period does the delayed report cover for MNTS?

The delayed Form 10‑Q covers the quarter ended September 30, 2025.

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

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Accepted by SEC EDGAR 11/14/2025 - 05:08 PM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SEC FILE NUMBER

001-39128

FORM 12b-25

CUSIP NUMBER

60879E309

NOTIFICATION OF LATE FILING

(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: September 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:

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

MOMENTUS INC.

Full Name of Registrant

Former Name if Applicable

3901 N. First Street

Address of Principal Executive Office (Street and Number)

San Jose, California 95134

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 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

Momentus Inc. (the “Company”) is unable to file its Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 (the “Form 10-Q”) within the prescribed time period without unreasonable effort and expense because the Company requires additional time to finalize the accounting treatment of certain warrants to purchase convertible notes and common stock purchase warrants pursuant to an equity purchase agreement that the Company entered into on September 25, 2025. The Company is working diligently to complete the Form 10-Q as soon as possible.

PART IV – OTHER INFORMATION

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

	Lon Ensler		650		564-7820
	(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.

Service revenue for the nine months ended September 30, 2025, decreased to $0.7 million from $1.8 million for the nine months ended September 30, 2024. Total operating expenses for the nine months ended September 30, 2025, decreased to $19.1 million from $24.6 million for the nine months ended September 30, 2024, due to decreases in R&D expense and general and administrative expense in the current year period. Loss from operations for the nine months ended September 30, 2025, decreased to $(18.4) million from $(22.9) million for the nine months ended September 30, 2024. The Company’s net loss for the nine months ended September 30, 2025, increased to $(28.1) million from $(23.1) million for the nine months ended September 30, 2024, primarily due to a loss on debt extinguishment of $(2.8) million and other income (expense) of $(5.9) million due to the amendment of outstanding convertible notes and issuances of warrants in September 2025, partially offset by the decrease in net loss in the current year period.

MOMENTUS INC.

(Name of Registrant as Specified in Charter)

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

Date:  November 14, 2025	Momentus Inc.
	By:	/s/ Lon Ensler
		Lon Ensler
		Chief Financial Officer