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): December 5, 2022

Marinus Pharmaceuticals, Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-36576

20-0198082

(State or other jurisdiction of

incorporation)

(Commission File Number)

(IRS Employer Identification

No.)

5 Radnor Corporate Center, Suite 500

100 Matsonford Rd Radnor, PA

19087

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (484) 801-4670

__________________________________________________________________

(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 registrant 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
Common Stock, par value $0.001	MRNS	Nasdaq Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 8.01.

Other Events.

On December 5, 2022, Marinus Pharmaceuticals, Inc. presented to investors at the American Epilepsy Society 2022 Annual Meeting. A copy of the presentation is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference to this Item 8.01.

Item 9.01.

Financial Statements and Exhibits.

(d) Exhibits

Exhibit

No.

Description

99.1

Corporate Presentation, dated December 5, 2022.

104

The cover page from this Current Report on Form 8-K, formatted in Inline XBRL.

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.

	MARINUS PHARMACEUTICALS, INC.

Date: December 5, 2022	/s/ Steven Pfanstiel
	Steven Pfanstiel
	Chief Financial Officer and Treasurer

Marinus Pharmaceuticals Inc. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits