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): March 22, 2021

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Lonestar Resources US Inc.

(Exact name of registrant as specified in its charter)

___________________

Delaware	001-37670	81-0874035
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

111 Boland Street, Suite 301 Fort Worth, Texas (Address of principal executive offices) 76107 (Zip Code)

Registrant’s telephone number, including area code: (817) 921-1889

___________________

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	Name of each exchange on which registered
Common Stock, par value $0.001	LONE	OTCQX Best 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 7.01    Regulation FD Disclosure

On March 22, 2021, Lonestar Resources US Inc. (the "Company") released an updated investor presentation. A copy of the presentation is posted to the “Presentations & Events” section of the Company’s website at www.lonestarresources.com, and is attached as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01     Financial Statements and Exhibits.

(d)    Exhibits

The following exhibit relating to Item 7.01 shall be deemed to be furnished, and not filed:

Exhibit No.	Description
99.1	Lonestar Resources-March 2021

SIGNATURE

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.

LONESTAR RESOURCES US INC.

Date: March 22, 2021                By:     /s/ Frank D. Bracken, III        

Name:    Frank D. Bracken, III

Title:     Chief Executive Officer