UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of Earliest Event Reported): June 29, 2022

PROTAGENIC THERAPEUTICS, INC.

(Exact name of Company as specified in its charter)

Delaware		001-12555		06-1390025
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

149 Fifth Avenue, Suite 500, New York, NY		10010
(Address of principal executive offices)		(Zip Code)

	212-994-8200
	(Company’s telephone number, including area code)

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Company under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Protagenic Therapeutics, Inc. Common Stock	PTIX	Nasdaq
Protagenic Therapeutics, Inc. Common Stock Warrants	PTIXW	Nasdaq

Item 8.01 Other Events.

The Company has updated its clinical development milestones.

The Company is in the process of completing the requirements to answer regulatory questions and begin the re-submission process in the US. In addition, the Company is submitting appropriate filing in Europe to commence a Phase I/IIa trial at a major CRO site in Germany which we anticipate will commence in Q3 2022.

The Company will provide further updates to its clinical development schedule as it becomes clearer.

SIGNATURES

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.

	PROTAGENIC THERAPEUTICS, INC.

Date: June 29, 2022	By:	/s/ Alexander K. Arrow
	Name:	Alexander K. Arrow
	Title:	Chief Financial Officer