Mobivity Holdings (NASDAQ: MFON) delays 2025 Form 10-K filing

Rhea-AI Filing Summary

Mobivity Holdings Corp. notified the SEC that it cannot file its Annual Report on Form 10-K for the period ended December 31, 2025 within the prescribed time because the company's auditor requires additional time to finalize its review.

The company states it has dedicated significant resources and is working with the auditor to file the Form 10-K as soon as practicable; the notification was signed on March 31, 2026.

Key Figures

Period Ended: December 31, 2025 Notification Signed: March 31, 2026 Rule 12b-25 timing references: fifteenth calendar day / fifth calendar day

3 metrics

Period Ended December 31, 2025 Fiscal period the delayed Form 10-K covers

Notification Signed March 31, 2026 Signature date on the Form 12b-25 notification

Rule 12b-25 timing references fifteenth calendar day / fifth calendar day Rule 12b-25 cure periods for late filings as stated in the form

Key Terms

Rule 12b-25, Form 10-K, auditor requires additional time

3 terms

Rule 12b-25 regulatory

"The subject annual report ... will be filed on or before the fifteenth calendar day following the prescribed due date"

Rule 12b-25 is an SEC filing provision that lets a company notify regulators and the public that it cannot file a required periodic report (like a quarterly or annual report) on time and explains the reason for the delay. For investors, the notice is a formal heads-up that financial information will arrive late—similar to a company calling to say it will be late turning in homework—so it signals increased uncertainty and may affect trading and risk assessments until the filing is available.

Form 10-K regulatory

"will not... be able to file its Annual Report on Form 10-K for the fiscal quarter ended December 31, 2025"

A Form 10-K is a comprehensive report that publicly traded companies are required to file annually with regulators. It provides a detailed overview of a company's financial health, operations, and risks, similar to a detailed health report. Investors use this information to assess the company's performance and make informed decisions about buying or selling its stock.

auditor requires additional time financial

"the Companys auditor requires additional time to finalize its review of the Companys financial statements"

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549	SEC FILE NUMBER 000-53851
	CUSIP NUMBER 60743E105

FORM 12b-25

NOTIFICATION OF LATE FILING

(Check One): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ 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

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

Mobivity Holdings Corp.

Full Name of Registrant

Former Name if Applicable

3133 West Frye Road, #215

Address of Principal Executive Office (Street and Number)

Chandler, Arizona 85226

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-CEN 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 why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-CEN, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.

Mobivity Holdings Corp. (the “Company”) will not, without unreasonable effort and expense, be able to file its Annual Report on Form 10-K for the fiscal quarter ended December 31, 2025 (the “Form 10-K”) within the prescribed time period due to delays in completion of the preparation and review of the financial statements for the fiscal quarter ended December 31, 2025.

The Form 10-K cannot be filed within the prescribed time period because the Company’s auditor requires additional time to finalize its review of the Company’s financial statements to ensure adequate disclosure of the financial information required to be included in the Form 10-K. The Company has dedicated significant resources to completing the Form 10-K and is working diligently with the auditor to complete the necessary work to file the Form 10-K as soon as practicable.

PART IV - OTHER INFORMATION

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

	Skye Fossey-Tomaske		(480)		616-9845
	(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 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 reasons why a reasonable estimate of the results cannot be made.

Mobivity Holdings Corp.

(Name of Registrant as Specified in Charter)

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

Date: March 31, 2026	By:	/s/ Skye Fossey-Tomaske
		Skye Fossey-Tomaske
		Interim Chief Financial Officer

FAQ

Why did Mobivity (MFON) file an NT 10-K notification?

Mobivity filed an NT 10-K because it cannot timely file its Annual Report for the period ended December 31, 2025. The company says the auditor requires additional time to finalize its review of the financial statements.

When did Mobivity sign the Form 12b-25 notification for MFON?

The notification was signed on March 31, 2026 by Interim CFO Skye Fossey-Tomaske. The filing documents that date as the signature for the late-filing notice.

Does the NT 10-K state when the Form 10-K will be filed?

The notice says the company is working to file the Form 10-K "as soon as practicable." It does not provide a specific filing date but references Rule 12b-25 timing provisions.

Will Mobivity (MFON) report material changes in results in the delayed Form 10-K?

The NT 10-K includes the standard question about significant changes in results but does not check or describe any anticipated material change in results for the period ended December 31, 2025.

Who at Mobivity can be contacted about the late filing?

The notification lists Interim CFO Skye Fossey-Tomaske with telephone (480) 616-9845 as the contact for the late-filing notification.