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Form SCHEDULE 13G/A Flowco Holdings Inc. Filed by: Fairbanks Jonathan B.

May 15, 2026 4:33 PM





Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Sole voting power and sole dispositive power includes (i) an aggregate of 2,000 shares of Class A Common Stock owned by Mr. Fairbanks' children and (ii) 15,625 restricted stock units, each representing a contingent right to receive one share of Class A Common Stock, that vest in substantially equal quarterly installments over 3 years following the grant date of January 17, 2025. 2. Shared voting power and shared dispositive power includes (i) 14,980,623 Common Units (as defined below in Item 2) held directly by GEC Estis Co-Invest II LLC; (ii) 7,089,834 Common Units held directly by GEC Partners III LP; and (iii) 6,252,037 Common Units held directly by GEC Partners III-B LP. 3. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Shared voting power and shared dispositive power includes (i) 14,980,623 Common Units held directly by GEC Estis Co-Invest II LLC; (ii) 7,089,834 Common Units held directly by GEC Partners III LP; and (iii) 6,252,037 Common Units held directly by GEC Partners III-B LP. 2. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Shared voting power and shared dispositive power includes (i) 14,980,623 Common Units held directly by GEC Estis Co-Invest II LLC and (ii) 6,252,037 Common Units held directly by GEC Partners III-B LP. 2. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Shared voting power and shared dispositive power includes (i) 14,980,623 Common Units held directly by GEC Estis Co-Invest II LLC and (ii) 6,252,037 Common Units held directly by GEC Partners III-B LP. 2. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Shared voting power and shared dispositive power consists of 14,980,623 Common Units held directly by the Reporting Person. 2. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Shared voting power and shared dispositive power includes 7,089,834 Common Units held directly by GEC Partners III LP. 2. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Shared voting power and shared dispositive power includes 7,089,834 Common Units held directly by GEC Partners III LP. 2. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Shared voting power and shared dispositive power consists of 7,089,834 Common Units held directly by the Reporting Person. 2. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G




Comment for Type of Reporting Person: 1. Shared voting power and shared dispositive power consists of 6,252,037 Common Units held directly by the Reporting Person. 2. Aggregate amount beneficially owned by each Reporting Person reported herein does not include shares of Class A Common Stock held by the Separately Filing Group Members, as further described in Item 8.


SCHEDULE 13G



Fairbanks Jonathan B.
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks
Date:05/15/2026
GEC Advisors LLC
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks, Managing Director
Date:05/15/2026
GEC Group B Ltd
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks, Director
Date:05/15/2026
GEC Capital Group III-B LP
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks, Director
Date:05/15/2026
GEC Estis Co-Invest II LLC
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks, Director
Date:05/15/2026
GEC Group Ltd
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks, Director
Date:05/15/2026
GEC Capital Group III LP
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks, Director
Date:05/15/2026
GEC Partners III LP
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks, Director
Date:05/15/2026
GEC Partners III B LP
Signature:/s/ Jonathan B. Fairbanks
Name/Title:Jonathan B. Fairbanks, Director
Date:05/15/2026
Exhibit Information

Exhibit A - Joint Filing Agreement. Exhibit B - Separately Filing Group Members.

ATTACHMENTS / EXHIBITS

jfa.htm

exb.htm

Categories

SEC Filings