Quintana Capital SC 13D/A KLX Energy Services / Quintana Capital ownership change

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 3)*

KLX Energy Services Holdings, Inc.

(Name of Issuer)

Common Stock, par value of $0.01 per share

(Title of Class of Securities)

48253L 20 5

(CUSIP Number)

Paul Cornell

Managing Director and Chief Financial Officer

1415 Louisiana Street, Suite 2400

Houston, Texas 77002

Tel: (713) 751-7500

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

October 5, 2021

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box:  ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(Continued on following pages)

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   Quintana Capital Group, L.P.    86-1172016
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER   0 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER   0 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON   0 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (1)   0.0%
14	TYPE OF REPORTING PERSON   PN

(1) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

2

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   Quintana Capital Group GP Ltd. 86-1172015
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER   0 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER   0 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON   0 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (1)   0.0%
14	TYPE OF REPORTING PERSON   OO

(1) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

3

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   Quintana Energy Partners, L.P. 86-1172018
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER   0 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER   0 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON   0 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (1)   0.0%
14	TYPE OF REPORTING PERSON   PN

(1) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

4

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   Quintana Energy Fund—FI, LP 03-0604623
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER   0 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER   0 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON   0 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (1)   0.0%
14	TYPE OF REPORTING PERSON   PN

(1) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

5

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   Quintana Energy Fund—TE, LP     03-0604624
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER   0 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER   0 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON   0 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (1)   0.0%
14	TYPE OF REPORTING PERSON   PN

(1) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

6

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   Quintana Energy Partners—QES Holdings, L.L.C. 82-4267266
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Delaware, United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER   0 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER   0 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON   0 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (1)   0.0%
14	TYPE OF REPORTING PERSON   OO

(1) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

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Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   QEP Management Co., LP 86-1172021
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Delaware, United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER (1)   9,690 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER (1)   9,690 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON (1)   9,690 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (2)   0.1%
14	TYPE OF REPORTING PERSON   PN

(1) QEP Management Co., LP is the record owner of these shares.

(2) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

8

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   QEP Management Co. GP, LLC 86-1172020
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Delaware, United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER (1)   9,690 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER (1)   9,690 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON (1)   9,690 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (2)   0.1%
14	TYPE OF REPORTING PERSON   OO

(1) QEP Management Co., LP is the record owner of these shares. QEP Management Co. GP, LLC is the general partner of QEP Management Co., LP and therefore may be deemed to beneficially own these shares.

(2) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

9

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   Robertson QES Investment LLC 81-4676115
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   Delaware, United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER   0 shares
	8	SHARED VOTING POWER (1)   279,657 shares
	9	SOLE DISPOSITIVE POWER   0 shares
	10	SHARED DISPOSITIVE POWER (1)   279,657 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON (1)   279,657 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (2)   3.1%
14	TYPE OF REPORTING PERSON   OO

(1) Robertson QES Investment LLC is the record owner of these shares.

(2) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

10

Common Stock CUSIP No. 48253L 20 5

1	NAME OF REPORTING PERSON   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS   Corbin J. Robertson, Jr.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  ☐        (b)  ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS   OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)   ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION   United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER (1)   26,793 shares
	8	SHARED VOTING POWER (2)(3)   289,247 shares
	9	SOLE DISPOSITIVE POWER (1)   26,793 shares
	10	SHARED DISPOSITIVE POWER (2)(3)   289,247 shares

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON   316,140 shares
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES   ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (4)   3.6%
14	TYPE OF REPORTING PERSON   IN

(1) These shares are directly held by Corbin J. Robertson, Jr. Includes 2,257 shares of restricted stock granted on March 5, 2021, which vest one year from the date of grant.

(2) QEP Management Co., LP is the record owner of 9,690 of these shares. QEP Management Co. GP, LLC, the general partner of QEP Management Co., LP, may also be deemed to be the beneficial owner of these shares. Corbin J. Robertson, Jr. is a member of the board of directors of QEP Management Co. GP, LLC and may be deemed to beneficially own these shares due to his additional rights regarding the management of QEP Management Co. GP LLC.

(3) Robertson QES Investment LLC is the record owner of 279,657 of these shares. As the sole manager of Robertson QES Investment LLC, Corbin J. Robertson Jr. may be deemed to beneficially own these shares.

(4) Based on 8,879,876 shares of Common Stock of the Issuer outstanding as of September 3, 2021.

11

This Amendment No. 3 to Schedule 13D (this “Amendment No. 3”) relates to the common stock, par value $0.01 per share (the “Common Stock”), of KLX Energy Services Holdings, Inc., a Delaware corporation (the “Issuer”) and amends and supplements the statement on Schedule 13D originally filed on August 6, 2020 (the “Prior Schedule 13D”), as amended by Amendment No. 1, filed on July 20, 2021 (“Amendment No. 1”), and as amended by Amendment No. 2, filed on September 16, 2021 (“Amendment No. 2”). Except as otherwise specified in this Amendment No. 3, all items left blank remain unchanged in all material respects and any items that are reported are deemed to amend and restate the corresponding items in the Prior Schedule 13D, Amendment No. 1 and Amendment No. 2. Unless otherwise indicated, all capitalized terms used herein but not defined herein shall have the same meanings ascribed to them in the Prior Schedule 13D, Amendment No. 1 and Amendment No. 2.

Item 4. Purpose of Transaction.

Item 4 of the Prior Schedule 13D and Amendment No. 2 is hereby amended and supplemented by adding the following:

Each of Quintana Energy Partners—QES Holdings, L.L.C., Quintana Energy Fund—FI, LP and Quintana Energy Fund—TE, LP completed the process of winding up their 2006 vintage funds and sold the Common Stock that they own in order to satisfy the need to return capital to their investors.

Mr. Robertson (individually), Robertson QES Investment LLC and QEP Management Co., L.P. continue to hold their shares for investment purposes.

However, each of the Reporting Persons retains the right to change its or his investment intent, from time to time to acquire additional shares of Common Stock or other securities of the Issuer, or to sell or otherwise dispose of all or part of the Common Stock or other securities of the Issuer, if any, beneficially owned by the Reporting Person, in any manner permitted by law. The Reporting Persons may each engage from time to time in ordinary course transactions with financial institutions with respect to the securities described herein.

Item 5. Interest in Securities of the Issuer.

Item 5 of the Prior Schedule 13D, Amendment No. 1 and Amendment No. 2 is hereby amended and restated as follows:

(a) Based on 8,879,876 shares of the Issuer’s Common Stock outstanding as of September 3, 2021, the shares of Common Stock held by the Reporting Persons constitute an aggregate of 3.6% of the outstanding shares of Common Stock of the Issuer. Please see row 13 of the applicable cover sheet to this Schedule 13D for each Reporting Person’s individual percentage ownership of the shares of Common Stock of the Issuer.

12

Each Reporting Person disclaims beneficial ownership of the reported Common Stock except to the extent of such Reporting Person’s pecuniary interest therein, and this statement shall not be deemed an admission that such Reporting Person is the beneficial owner of the reported Common Stock for the purposes of Section 13(d) of the Act or any other purpose.

(b) With respect to the number of shares of Common Stock as to which each Reporting Person has:

(i) sole power to vote or to direct the vote with respect to such shares, please see row 7 of the applicable cover sheet to this Schedule 13D for such Reporting Person;

(ii) shared power to vote or to direct the vote with respect to such shares, please see row 8 of the applicable cover sheet to this Schedule 13D for such Reporting Person;

(iii) sole power to dispose or direct the disposition of such shares, please see row 9 of the applicable cover sheet to this Schedule 13D for such Reporting Person; and

(iv) shared power to dispose or to direct the disposition of such shares, please see row 10 of the applicable cover sheet to this Schedule 13D for such Reporting Person.

(c) The information contained in Item 4 to this Schedule 13D is incorporated by reference herein. Except as set forth below or as disclosed in this Schedule 13D, none of the Reporting Persons, or to the Reporting Persons’ knowledge, the persons set forth on Schedule I of this Schedule 13D has effected transactions in the Common Stock in the past 60 days.

On July 15, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 19,551 shares of the Issuer, Quintana Energy Fund—TE, LP sold 2,908 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 1,167 shares of the Issuer; in each case on the open market for a weighted average price of $7.30.

On July 16, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 17,768 shares of the Issuer, Quintana Energy Fund—TE, LP sold 2,643 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 1,060 shares of the Issuer; in each case on the open market for a weighted average price of $6.57.

On July 19, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 12,871 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,914 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 768 shares of the Issuer; in each case on the open market for a weighted average price of $6.06.

On July 20, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 7,500 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,115 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 448 shares of the Issuer; in each case on the open market for a weighted average price of $6.48.

13

On July 21, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 19,614 shares of the Issuer, Quintana Energy Fund—TE, LP sold 2,917 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 1,171 shares of the Issuer; in each case on the open market for a weighted average price of $6.67.

On July 22, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 29,700 shares of the Issuer, Quintana Energy Fund—TE, LP sold 4,417 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 1,772 shares of the Issuer; in each case on the open market for a weighted average price of $6.40.

On July 23, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 10,089 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,501 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 602 shares of the Issuer; in each case on the open market for a weighted average price of $6.13.

On July 26, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 4,899 shares of the Issuer, Quintana Energy Fund—TE, LP sold 729 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 292 shares of the Issuer; in each case on the open market for a weighted average price of $6.19.

On July 27, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 4,234 shares of the Issuer, Quintana Energy Fund—TE, LP sold 630 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 253 shares of the Issuer; in each case on the open market for a weighted average price of $6.04.

On July 28, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 2,814 shares of the Issuer, Quintana Energy Fund—TE, LP sold 418 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 168 shares of the Issuer; in each case on the open market for a weighted average price of $6.08.

On July 29, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 7,878 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,172 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 470 shares of the Issuer; in each case on the open market for a weighted average price of $6.11.

On July 30, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 497 shares of the Issuer, Quintana Energy Fund—TE, LP sold 74 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 30 shares of the Issuer; in each case on the open market for a weighted average price of $6.04.

On September 13, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 13,489 shares of the Issuer, Quintana Energy Fund—TE, LP sold 2,006 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 805 shares of the Issuer; in each case on the open market for a weighted average price of $5.84.

On September 14, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 20,418 shares of the Issuer, Quintana Energy Fund—TE, LP sold 3,037 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 1,218 shares of the Issuer; in each case on the open market for a weighted average price of $5.37.

14

On September 15, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 6,794 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,010 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 405 shares of the Issuer; in each case on the open market for a weighted average price of $5.35.

On September 16, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 9,868 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,468 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 589 shares of the Issuer; in each case on the open market for a weighted average price of $5.08.

On September 17, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 19,114 shares of the Issuer, Quintana Energy Fund—TE, LP sold 2,843 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 1,141 shares of the Issuer; in each case on the open market for a weighted average price of $4.93.

On September 20, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 12,248 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,822 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 731 shares of the Issuer; in each case on the open market for a weighted average price of $4.69.

On September 21, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 12,785 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,901 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 763 shares of the Issuer; in each case on the open market for a weighted average price of $4.42.

On September 22, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 12,995 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,933 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 775 shares of the Issuer; in each case on the open market for a weighted average price of $4.44.

On September 23, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 42,086 shares of the Issuer, Quintana Energy Fund—TE, LP sold 6,259 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 2,512 shares of the Issuer; in each case on the open market for a weighted average price of $4.72.

On September 24, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 7,862 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,169 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 469 shares of the Issuer; in each case on the open market for a weighted average price of $4.84.

On September 27, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 30,475 shares of the Issuer, Quintana Energy Fund—TE, LP sold 4,532 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 1,819 shares of the Issuer; in each case on the open market for a weighted average price of $4.81.

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On September 28, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 36,253 shares of the Issuer, Quintana Energy Fund—TE, LP sold 5,392 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 2,163 shares of the Issuer; in each case on the open market for a weighted average price of $4.68.

On September 29, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 8,524 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,268 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 508 shares of the Issuer; in each case on the open market for a weighted average price of $4.53.

On September 30, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 12,924 shares of the Issuer, Quintana Energy Fund—TE, LP sold 1,922 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 771 shares of the Issuer; in each case on the open market for a weighted average price of $4.70.

On October 1, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 16,743 shares of the Issuer, Quintana Energy Fund—TE, LP sold 2,490 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 999 shares of the Issuer; in each case on the open market for a weighted average price of $4.69.

On October 4, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 53,247 shares of the Issuer, Quintana Energy Fund—TE, LP sold 7,919 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 3,178 shares of the Issuer; in each case on the open market for a weighted average price of $4.87.

On October 5, 2021, Quintana Energy Partners—QES Holdings, L.L.C. sold 64,741 shares of the Issuer, Quintana Energy Fund—TE, LP sold 9,629 shares of the Issuer, and Quintana Energy Fund—FI, LP sold 3,863 shares of the Issuer; in each case on the open market for a weighted average price of $4.94.

(d) Except for Mr. Robertson, who serves as a member of the Board, none of the Reporting Persons or Listed Persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities of the Company.

(e) Consequently, this Amendment No. 3 constitutes an exit filing for the Reporting Persons.

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	QUINTANA CAPITAL GROUP, L.P.
	By: Quintana Capital Group GP Ltd., its general partner
	By:	/s/ Paul J. Cornell
	Name:	Paul J. Cornell
	Title:	Managing Director

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	QUINTANA CAPITAL GROUP GP LTD.
	By:	/s/ Paul J. Cornell
	Name:	Paul J. Cornell
	Title:	Managing Director

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	QUINTANA ENERGY FUND—FI, LP
	By: Quintana Capital Group, L.P., its general partner
	By: Quintana Capital Group GP Ltd., its general partner
	By:	/s/ Paul J. Cornell
	Name:	Paul J. Cornell
	Title:	Managing Director

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	QUINTANA ENERGY FUND—TE, LP
	By: Quintana Capital Group, L.P., its general partner
	By: Quintana Capital Group GP Ltd., its general partner
	By:	/s/ Paul J. Cornell
	Name:	Paul J. Cornell
	Title:	Managing Director

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	QUINTANA ENERGY PARTNERS, L.P.
	By: Quintana Capital Group, L.P., its general partner
	By: Quintana Capital Group GP Ltd., its general partner
	By:	/s/ Paul J. Cornell
	Name:	Paul J. Cornell
	Title:	Managing Director

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	QUINTANA ENERGY PARTNERS—QES HOLDINGS, L.L.C.
	By: Quintana Energy Partners, L.P., its sole member
	By: Quintana Capital Group, L.P., its general partner
	By: Quintana Capital Group GP Ltd., its general partner
	By:	/s/ Paul J. Cornell
	Name:	Paul J. Cornell
	Title:	Managing Director

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	QEP MANAGEMENT CO., LP
	By: QEP Management Co. GP, LLC, its general partner
	By: Quintana Capital Group, L.P., its general partner
	By: Quintana Capital Group GP Ltd., its general partner
	By:	/s/ Paul J. Cornell
	Name:	Paul J. Cornell
	Title:	Managing Director

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	QEP MANAGEMENT CO. GP, LLC
	By: Quintana Capital Group, L.P., its general partner
	By: Quintana Capital Group GP Ltd., its general partner
	By:	/s/ Paul J. Cornell
	Name:	Paul J. Cornell
	Title:	Managing Director

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	ROBERTSON QES INVESTMENT LLC
	/s/ Max L. Bouthillette
	Max L. Bouthillette, attorney-in-fact for Robertson
	QES Investment LLC

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

October 6, 2021	CORBIN J. ROBERTSON, JR.
	/s/ Max L. Bouthillette
	Max L. Bouthillette, attorney-in-fact for Corbin J. Robertson, Jr.

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