GulfSlope Energy - Notification of Late Filing for Form 10-Q

NT 10-Q 1 gulfslope-nt10q_123125.htm NOTIFICATION OF LATE FILING

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

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FORM 12b-25

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NOTIFICATION OF LATE FILING

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| (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: ___________________________

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:

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PART I - REGISTRANT INFORMATION

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GulfSlope Energy, Inc.

Full Name of Registrant

Former Name if Applicable

1000 Main Street, Suite 2300

Address of Principal Executive Office (Street and Number)

Houston, TX 77002

City, State and Zip Code

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PART II - RULES 12b25(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; |
| þ | (b) | The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, 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 of 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. |

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III - NARRATIVE

State below in reasonable detail the reasons why Form 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:

The Registrant is unable to complete the
preparation of its Form 10-Q in a timely manner because of working capital issues.

PART IV – OTHER INFORMATION

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

| John N. Seitz | (281) | 918-4101 |
| (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 þ No

10-K and 10-Q reports

(3)             
Is it anticipated that any significant change in results of operation for 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 þ 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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GulfSlope 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.

| Date: February 16, 2026 | By: | /s/ John N. Seitz |
| | | Name: John N. Seitz |
| | | Title: Chief Executive Officer |

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