Protokinetix (NASDAQ: PKTX) notifies SEC of late Q1 2026 10-Q filing

Rhea-AI Filing Summary

Protokinetix, Inc. submitted a Form 12b-25 notifying the SEC that it could not timely file its Quarterly Report on Form 10-Q for the period ended March 31, 2026 because of delays completing financial statements and management's discussion and analysis.

The company states the independent registered public accounting firm requires additional review time and that it anticipates filing the Quarterly Report no later than the fifteenth calendar day following the prescribed due date. The notification is signed by CEO Michael Guzzetta dated May 15, 2026.

Key Figures

Quarter end: March 31, 2026 Original filing date for smaller filers: May 15, 2026 Anticipated remedial window: 15 calendar days +2 more

5 metrics

Quarter end March 31, 2026 Period covered by the delayed Form 10-Q

Original filing date for smaller filers May 15, 2026 Prescribed due date referenced in the notification

Anticipated remedial window 15 calendar days Will file no later than 15 days following the prescribed due date

Contact telephone 330-445-4971 Company contact listed on the notification

Signature date May 15, 2026 Date CEO signed the Form 12b-25

Key Terms

Rule 12b-25, Form 10-Q, management discussion and analysis, independent registered public accounting firm

4 terms

Rule 12b-25 regulatory

"Form 12b-25 notification of late filing"

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-Q regulatory

"Quarterly Report on Form 10-Q for the period ended March 31, 2026"

A Form 10-Q is a detailed report that publicly traded companies are required to file with regulators three times a year, providing an update on their financial health and business activities. It is important for investors because it offers timely insights into a company's performance, helping them make informed decisions about buying or selling stocks. Think of it as a regular check-up report that shows how well a company is doing.

management discussion and analysis financial

"delays in completing the preparation of its financial statements and its management discussion and analysis"

Management discussion and analysis is the section of a company’s regular financial filing where executives explain recent results, the reasons behind them, current challenges and the outlook in plain language. It’s like a CEO’s guided tour of the company’s performance and plans: it helps investors move beyond raw numbers to understand the assumptions, risks and strategy that will affect future profits and value. Investors use it to judge credibility, spot trends and compare management’s explanations across companies.

independent registered public accounting firm regulatory

"accounting firm requires additional time to complete its review"

An independent registered public accounting firm is an outside accounting company officially registered with the government regulator to examine and report on a public company's financial records and controls. Investors treat its reports like an impartial inspector’s certificate — they add credibility to financial statements, help spot errors or misleading claims, and reduce the risk that shareholders are relying on unchecked or biased numbers.

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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: March 31, 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:

PART I - REGISTRANT INFORMATION

Protokinetix, Inc.

Full Name of Registrant

N/A

Former Name if Applicable

109 W. Main St.

Address of Principal Executive Office (Street and Number)

Dalton, OH 44618

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.

Protokinetix, Incorporated (the “Registrant”) was unable, without unreasonable effort or expense, to file its Quarterly Report on Form 10-Q for the period ended March 31, 2026 (the “Quarterly Report”) within the prescribed time because of delays in completing the preparation of its financial statements and its management discussion and analysis. The original filing date applicable to smaller reporting companies was May 15, 2026. The Registrant is still in the process of compiling required information to complete the Quarterly Report and its independent registered public accounting firm requires additional time to complete its review of the financial statements for the period ended March 31, 2026. The Registrant anticipates that it will file the Quarterly Report no later than the fifteenth calendar day following the prescribed filing date.

PART IV - OTHER INFORMATION

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

Michael Guzzetta		330		445-4971
(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 ☒

2025 Form 10-K for the period ended December 31, 2025

(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.

Protokinetix, Inc.

(Name of Registrant as Specified in Charter)

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: May 15, 2026	By:	/s/ Michael Guzzetta
		Michael Guzzetta
		Chief Executive Officer

FAQ

Why did Protokinetix (PKTX) file a Form 12b-25?

The company cites delays in completing its financial statements and management discussion and analysis, and additional time needed by its independent registered public accounting firm to complete its review for Q1 2026.

When does Protokinetix (PKTX) expect to file the delayed 10-Q?

Protokinetix anticipates filing the Form 10-Q for the period ended March 31, 2026 no later than the fifteenth calendar day following the prescribed due date, per the company’s May 15, 2026 notification.

Does the Form 12b-25 indicate an anticipated change in results for PKTX?

The notification includes a question about anticipated significant changes in results versus the prior year period but does not attach any narrative or quantitative estimate about material changes in earnings.

Who signed the late filing notice for Protokinetix (PKTX)?

The Form 12b-25 is signed by Michael Guzzetta, Chief Executive Officer, dated May 15, 2026, indicating the company officially authorized the late-filing notification on that date.