Statement of Changes in Beneficial Ownership (4)

FORM 4

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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3235-0287

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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. Issuer Name and Ticker or Trading Symbol Lonestar Resources US Inc. [ LONE ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    __X__ 10% Owner _____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle) 1340 S. MAIN ST., SUITE 300	3. Date of Earliest Transaction (MM/DD/YYYY) 6/9/2021
(Street) GRAPEVINE, TX 76051 (City)        (State)        (Zip)	4. 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.001	6/9/2021		P		113977	A	$8.42 (1)	1518676	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

(1)

The reporting persons executed trade orders through a broker deal which resulted in multiple same day, same way open market purchases with prices ranging from $8.00 to $8.60 per share. The reporting persons have recorded these purchase on an aggregate basis using the weighted average price for the transactions. The reporting persons undertake to provide, upon request by the Securities and Exchange Commission staff, the Company or a security holder of the company, full information regarding the number of shares purchased at each separate price.

Remarks: 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
	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		6/11/2021
**Signature of Reporting Person		Date
/s/William R. Kruse		6/11/2021
**Signature of Reporting Person		Date
/s/William T. Kruse		6/11/2021
**Signature of Reporting Person		Date