SEC FORM 3/A SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
SEXTON MARK S

(Last) (First) (Middle)
5205 N O'CONNOR BLVD
SUITE 200

(Street)
IRVING TX 75039

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
09/28/2004
3. Issuer Name and Ticker or Trading Symbol
PIONEER NATURAL RESOURCES CO [ PXD ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
09/30/2004
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 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 175,012(1) D
Common Stock 4,165(2) I IRA
Common Stock 2,641(3) I by Spouse
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. 18,029 shares were omitted from the number of securities beneficially owned directly by the reporting person, as reported on his original Form 3, and were also omitted from all subsequent Forms 4 filed by the reporting person. As of September 28, 2004, the reporting person directly owned 175,012 shares of common stock.
2. On September 28, 2004, the reporting person indirectly owned only 4,165 shares of common stock, held in an IRA. The number of shares reported on the reporting person's original Form 3 was incorrect, and the IRA balance was also reported incorrectly on all subsequent Form 4 filings.
3. These shares were omitted from the reporting person's original Form 3, and were also omitted from the subsequent Forms 4 filed by the reporting person.
Mark H. Kleinman, Attorney-in-Fact 04/10/2021
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

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