Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Kruco LLC

2. Date of Event Requiring Statement (MM/DD/YYYY) 4/7/2021

3. Issuer Name and Ticker or Trading Symbol

Lonestar Resources US Inc. [LONE]

(Last) (First) (Middle)

1340 S. MAIN ST., SUITE 300

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director ___X___ 10% Owner
_____ Officer (give title below) _____ Other (specify below)

(Street)

GRAPEVINE, TX 76051

(City) (State) (Zip)

5. If Amendment, Date Original Filed(MM/DD/YYYY)

6. Individual or Joint/Group Filing(Check Applicable Line)

___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock par value $0.001	1404699	D
Common Stock, par value $0.001	1404699 ⁽¹⁾	I	See Footnote ⁽¹⁾
Common Stock, par value $0.001	1404699 ⁽¹⁾	I	See Footnote ⁽¹⁾

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:
(1)	William R. Kruse and William T. Kruse are the sole members and managers of Kruco, LLC, and each of them as a manager has the power to vote and dispose of the shares.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Kruco LLC 1340 S. MAIN ST., SUITE 300 GRAPEVINE, TX 76051		X
Kruse William R 1340 S. MAIN ST., SUITE 300 GRAPEVINE, TX 76051		X
KRUSE WILLIAM T 1340 S. MAIN ST., SUITE 300 GRAPEVINE, TX 76051		X

Signatures
/s/William R. Kruse (Manager)		4/15/2021
^**Signature of Reporting Person		Date
/s/ William R. Kruse		4/15/2021
^**Signature of Reporting Person		Date
/s/ William T. Kruse		4/15/2021
^**Signature of Reporting Person		Date