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Harbor Diversified warns of delays and no active business

Harbor Diversified, Inc. filed a Form 12b-25 stating it will not file its Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 on time and does not expect to do so within the 5‑day extension allowed under Rule 12b‑25.

(Very High)
(Negative)
Form Type
NT 10-Q

Rhea-AI Filing Summary

Harbor Diversified, Inc. filed a Form 12b-25 stating it will not file its Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 on time and does not expect to do so within the 5‑day extension allowed under Rule 12b‑25. The company cites the need for additional time to finalize financial statements and complete the audit for the year ended December 31, 2025, following extensive work on prior Form 10-Ks and 10-Qs. Harbor Diversified also discloses that it has completed the sale and disposition of its aviation assets, including its membership interests in Air Wisconsin, in transactions completed on January 9, 2026. After this Aviation Disposition, the company states it has no material operating assets, no operating business, and no revenue from operations, and anticipates significant changes in its financial condition and results of operations versus prior periods.

Positive

  • None.

Negative

  • Multiple SEC reports are delayed, including the Form 10-Q for June 30, 2026, the Form 10-K for the year ended December 31, 2025, and the Form 10-Q for the quarter ended March 31, 2026.
  • Following the Aviation Disposition completed January 9, 2026, the company states it has no material operating assets, no operating business, and no revenue from operations.
  • The company anticipates significant changes in financial condition and results of operations for 2025 versus 2024 due to a terminated capacity purchase agreement, strategic shifts, and a workforce reduction plan.

Filing Explained

The 2025 annual report and 2026 quarterly reports remain outstanding, with no filing date given for restored financial reporting.

Beyond the delayed June 30, 2026 Form 10-Q, the company identifies its December 31, 2025 Form 10-K and March 31, 2026 Form 10-Q as not filed, leaving annual and interim reporting outstanding.

For the 2025 annual-period results, the company attributes anticipated significant changes versus 2024 to termination of the American Airlines capacity purchase agreement, a strategic shift and consideration of alternatives, and a workforce-reduction plan.

The notice gives no filing date for any of these reports, so the timing of updated annual and quarterly information remains unresolved.

Subject quarter Quarter ended June 30, 2026 Period covered by the delayed Form 10-Q
Aviation Disposition date January 9, 2026 Completion date of the sale and disposition of aviation assets
Financial comparison years December 31, 2025 vs December 31, 2024 Periods for which significant changes in financial condition and results are anticipated
Form 12b-25 regulatory
"This Form 12b-25 (Notification of Late Filing) is being filed"
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.
Aviation Disposition financial
"including its membership interests in Air Wisconsin, in a series of transactions that were completed on January 9, 2026 (the “Aviation Disposition”)"
capacity purchase agreement financial
"termination of the capacity purchase agreement, dated August 19, 2022, previously entered into"
strategic alternatives financial
"strategic shift in its operations and consideration of other strategic alternatives"
Strategic alternatives are different options a company considers to improve its value or achieve its goals, such as selling the business, merging with another company, or restructuring operations. For investors, understanding these options is important because they can significantly impact the company's future direction and its stock value, often signaling potential changes or opportunities.
workforce reduction plan financial
"and (3) implementation of a workforce reduction plan"

FAQ

Why is Harbor Diversified (HRBR) delaying its Form 10-Q for June 30, 2026?

Harbor Diversified reports it cannot file the June 30, 2026 Form 10-Q on time without unreasonable effort or expense, citing the need to finalize financial statements and complete the audit for the year ended December 31, 2025 after extensive prior reporting work.

Will Harbor Diversified (HRBR) file its delayed 10-Q within the 5-day 12b-25 extension?

No. Harbor Diversified explicitly states it does not expect to file the Form 10-Q for the quarter ended June 30, 2026 within the 5-day extension period provided by Rule 12b-25 under the Exchange Act.

What major business change did Harbor Diversified (HRBR) complete in January 2026?

On January 9, 2026, Harbor Diversified completed the Aviation Disposition, selling and disposing of its aviation assets, including membership interests in Air Wisconsin, as described in Item 2.01 and Item 8.01 of its Form 8-K filed January 16, 2026.

What is Harbor Diversified’s (HRBR) operating status after the Aviation Disposition?

After completing the Aviation Disposition, Harbor Diversified states it has no material operating assets, is not engaged in any operating business, and has no source of revenue from operations, implying a fundamentally changed business profile versus historical periods.

What significant financial changes does Harbor Diversified (HRBR) anticipate for 2025?

The company anticipates significant changes in financial condition and results for the year ended December 31, 2025 versus 2024, primarily due to a terminated capacity purchase agreement with American Airlines, a strategic shift and alternatives review, and a workforce reduction plan.

Which other SEC reports of Harbor Diversified (HRBR) are outstanding?

Harbor Diversified indicates that its Annual Report on Form 10-K for the year ended December 31, 2025 and its Form 10-Q for the quarter ended March 31, 2026 have not yet been filed, alongside the delayed June 30, 2026 Form 10-Q.

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

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SEC FILE NUMBER
001-34584
CUSIP NUMBER
41150R102

 

 
 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

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: June 30, 2026
  ☐ 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:

Not applicable.

 

PART I — REGISTRANT INFORMATION

Harbor Diversified, Inc.

Full Name of Registrant

 

Former Name if Applicable

5601 W. Grande Market Drive, Suite C

Address of Principal Executive Office (Street and Number)

Appleton, WI 54913

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.

This Form 12b-25 (Notification of Late Filing) is being filed by Harbor Diversified, Inc. (the “Company”) to seek an extension of the filing deadline for its Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 (the “Quarterly Report”) pursuant to Rule 12b-25 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”).

The Company has determined that it is unable to file the Quarterly Report by the prescribed due date without unreasonable effort or expense. The Company requires additional time to finalize the financial statements and complete the audit for the year ended December 31, 2025.

The delay in filing the Quarterly Report is a consequence of the considerable time and resources dedicated by the Company and its independent registered public accounting firm to complete certain items with respect to the preparation, audit and review of the Company’s financial statements included in its Annual Reports on Form 10-K for the year ended December 31, 2024 and 2023, and the preparation and review of the Company’s financial statements included in its Quarterly Reports on Form 10-Q for the quarters ended March 31, 2024, June 30, 2024, and September 30, 2024. The delay is also the result of the considerable time and resources dedicated to the sale and disposition of the Company’s aviation assets, including its membership interests in Air Wisconsin, in a series of transactions that were completed on January 9, 2026 (the “Aviation Disposition”). For additional information regarding the Aviation Disposition, please refer to Item 2.01 of the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission (the “Commission”) on January 16, 2026 (the “Form 8-K”).

As a result, the Company does not expect to file the Quarterly Report within the 5-day extension period provided under Rule 12b-25 under the Exchange Act.

Cautionary Note Regarding Forward-Looking Statements

This Form 12b-25 contains forward-looking statements within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995, which statements are subject to considerable risks and uncertainties. These forward-looking statements include statements regarding the expected timing of the filing of the Quarterly Report. Forward-looking statements include all statements that are not solely historical facts and can be identified by terms such as “believe,” “anticipate,” “could,” “estimate,” “expect,” “may,” “should,” or similar expressions. Investors are cautioned not to place undue reliance on these forward-looking statements, which are subject to numerous risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements, including the risks and uncertainties addressed under the heading “Risk Factors” and elsewhere in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 and the other filings the Company makes with the Commission from time to time. These forward-looking statements speak only as of the date of this Form 12b-25, and the Company undertakes no obligation to update these forward-looking statements to reflect events or circumstances occurring after the date hereof.

(Attach extra Sheets if Needed)

PART IV — OTHER INFORMATION

 

(1)     Name and telephone number of person to contact in regard to this notification
     Ryan C. Wilkins, Esq.       949        725-4115
    (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 ☒
    Annual Report on Form 10-K for the year ended December 31, 2025, and the Quarterly Report on Form 10-Q for the quarter ended March 31, 2026
(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.
    The Company anticipates significant changes in its financial condition and results of operations for the period ended December 31, 2025 relative to the period ended December 31, 2024, primarily as a result of the previously announced (1) termination of the capacity purchase agreement, dated August 19, 2022, previously entered into by and between the Company and American Airlines, Inc., (2) strategic shift in its operations and consideration of other strategic alternatives, and (3) implementation of a workforce reduction plan.
    Following the completion of the Aviation Disposition, the Company does not have any material operating assets, is not engaged in any operating business, and does not have any source of revenue from operations. Accordingly, the Company expects significant changes in its financial condition and results of operations for the periods following the completion of the Aviation Disposition relative to its historical financial condition and results of operations. For additional information regarding the Aviation Disposition and the Company’s consideration of strategic alternatives, please refer to Item 8.01 of the Form 8-K.

 

 

Harbor Diversified, 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: August 13, 2026     By:     

/s/ Christine R. Deister

     

Its:

   

Chief Executive Officer and Secretary

INSTRUCTION: The form may be signed by an executive officer of the registrant or by any other duly authorized representative. The name and title of the person signing the form shall be typed or printed beneath the signature. If the statement is signed on behalf of the registrant by an authorized representative (other than an executive officer), evidence of the representative’s authority to sign on behalf of the registrant shall be filed with the form.

 

 

ATTENTION

 

Intentional misstatements or omissions of fact constitute Federal Criminal Violations (See 18 U.S.C. 1001).

 

 

SEC 1344 (06-19)    Persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

 

 
 

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