Statement of Changes in Beneficial Ownership (4)

FORM 4

[X] 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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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 * MATLIN DAVID J	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) 600 FIFTH AVENUE, 22ND FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY) 10/5/2021
(Street) NEW YORK, NY 10022 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ 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	10/5/2021		D(1)		1909786	D	(1)(2)	0	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)	On October 5, 2021, pursuant to the Agreement and Plan of Merger dated as of July 10, 2021 (the "Merger Agreement"), by and among Penn Virginia Corporation ("Penn Virginia"), Lonestar Resources US Inc. ("Lonestar") and the other parties thereto, Upsilon Merger Sub Inc. merged with and into Lonestar (the "First Merger"), with Lonestar surviving the First Merger as the surviving corporation (the "Surviving Corporation"), and, following the First Merger, the Surviving Corporation merged with and into Pi Merger Sub LLC ("Merger Sub LLC"), with Merger Sub LLC continuing as the surviving entity. Pursuant to the Merger Agreement, each share of Lonestar common stock issued and outstanding immediately prior to the effective time of the First Merger was converted into the right to receive 0.51 shares of Penn Virginia common stock.
(2)	On October 4, 2021 (the day prior to the effective time of the First Merger), the closing price of one share of Penn Virginia common stock was $32.32.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MATLIN DAVID J 600 FIFTH AVENUE, 22ND FLOOR NEW YORK, NY 10022		X

Signatures
/s/ David J. Matlin		10/21/2021
**Signature of Reporting Person		Date