Sec Form 4 Filing - JDH Capital Holdings, L.P. @ Archrock, Inc. - 2021-03-12

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person JDH Capital Holdings, L.P. 2. Issuer Name and Ticker or Trading Symbol Archrock, Inc. [ AROC] 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) C/O JDH CAPITAL COMPANY, 1111 TRAVIS STREET 3. Date of Earliest Transaction (MM/DD/YY) 03/12/2021 (Street) HOUSTON, TX77002 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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 03/12/2021 S( 1 ) 6,378 D ( 1 ) $ 10.52 ( 1 ) 17,477,631 D ( 2 ) ( 3 ) ( 4 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other JDH Capital Holdings, L.P. C/O JDH CAPITAL COMPANY 1111 TRAVIS STREET HOUSTON, TX77002 X JDH Capital Co 1111 TRAVIS STREET HOUSTON, TX77002 X Hildebrand Enterprises, LP C/O JDH CAPITAL COMPANY 1111 TRAVIS STREET HOUSTON, TX77002 X Hildebrand Enterprises Co C/O JDH CAPITAL COMPANY 1111 TRAVIS STREET HOUSTON, TX77002 X Hildebrand Melinda B C/O JDH CAPITAL COMPANY 1111 TRAVIS STREET HOUSTON, TX77002 X Hildebrand Jeffery D C/O JDH CAPITAL COMPANY 1111 TRAVIS STREET HOUSTON, TX77002 X Signatures JDH CAPITAL HOLDINGS, L.P. By JDH Capital, Company, its General Partner, By /s/ Doug C. Kelly, Vice, President and Treasurer 03/16/2021 Signature of Reporting Person Date JDH CAPITAL COMPANY, By /s/ Doug C. Kelly, Vice, President and Treasurer 03/16/2021 Signature of Reporting Person Date HILDEBRAND ENTERPRISES, LP By /s/ Jeffery D. Hildebrand,, President and Chief, Executive Officer 03/16/2021 Signature of Reporting Person Date HILDEBRAND ENTERPRISES COMPANY, By /s/ Jeffery D. Hildebrand,President and Chief Executive Officer 03/16/2021 Signature of Reporting Person Date /s/ Melinda B. Hildebrand 03/16/2021 Signature of Reporting Person Date /s/ Jefferey D. Hildebrand 03/16/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On March 12, 2021, JDH Capital Holdings, L.P. ("JDH Holdings") sold 6,378 shares of common stock ("Common Stock") of the Archrock, Inc. (the "Issuer"), which was effected through open market sales. ( 2 )Shares of Common Stock of the Issuer are held directly by JDH Holdings. ( 3 )JDH Capital Company ("JDH Capital") is the general partner of JDH Holdings. Hildebrand Enterprises, LP ("Hildebrand Enterprises") is the sole limited partner of JDH Holdings. Each of JDH Capital and Hildebrand Enterprises is wholly owned by Hildebrand Enterprises Company ("Hildebrand Company"). Hildebrand Company is wholly owned by Jeffery D. Hildebrand and Melinda B. Hildebrand. ( 4 )Each of the Reporting Persons may be deemed to be the beneficial owner of all or a portion of the securities reported herein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein, and the Reporting Persons disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

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 4(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).

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