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Flowco Holdings Inc.

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4389
SEC CIK
0002035149
Parsed reports
60

Last 12 months

Inside the activity.

0 purchase rows · 31 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202501
Dec 202504
Jan 202604
Feb 202602
Mar 2026020
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202600
Sep 202600
Oct 202600

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
July 29, 2026 Filed Jul 31, 2026 20:30 UTC GrantClass A Common Stock 2,629 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-328704 · ownership.xml · nonDerivative · entry 1

Rutherford John R · CIK 0001502248 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,629

F1 · shares: Represents restricted stock units ("RSUs") that vest 100% on January 1st, 2027. Each RSU represents a contingent right to receive one share of Class A Common Stock.

Read SEC document
May 26, 2026 Filed Jun 9, 2026 20:30 UTC
Roberts ChadEVP, Production Solutions
ConversionLLC Interests · Derivative 350,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-263842 · ownership.xml · derivative · entry 2

Roberts Chad · CIK 0002049797 · EVP, Production Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,016

Underlying: Class A Common Stock · 350,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The 350,000 shares of Class A common stock of the Issuer (the "Class A Common Stock") were acquired upon redemption and exchange of an equal number of Common Units of Flowco MergeCo LLC (the "Common Units") and shares of Class B common stock of the Issuer (the "Class B Common Stock", and together with the paired Common Unit, the "Paired Interest") as described in footnote (2).

F2 · derivative.exercise_price: Represents Common Units. Each Common Unit is paired with one share of Class B Common Stock. Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo LLC (the "Restated LLC Agreement"), each Paired Interest will be exchangeable into one share of Class A Common Stock (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F2 · derivative.exercise_date: Represents Common Units. Each Common Unit is paired with one share of Class B Common Stock. Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo LLC (the "Restated LLC Agreement"), each Paired Interest will be exchangeable into one share of Class A Common Stock (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F2 · derivative.expiration_date: Represents Common Units. Each Common Unit is paired with one share of Class B Common Stock. Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo LLC (the "Restated LLC Agreement"), each Paired Interest will be exchangeable into one share of Class A Common Stock (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

Read SEC document
May 26, 2026 Filed Jun 9, 2026 20:30 UTC
Roberts ChadEVP, Production Solutions
ConversionClass A Common Stock 350,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-263842 · ownership.xml · nonDerivative · entry 1

Roberts Chad · CIK 0002049797 · EVP, Production Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 417,008

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The 350,000 shares of Class A common stock of the Issuer (the "Class A Common Stock") were acquired upon redemption and exchange of an equal number of Common Units of Flowco MergeCo LLC (the "Common Units") and shares of Class B common stock of the Issuer (the "Class B Common Stock", and together with the paired Common Unit, the "Paired Interest") as described in footnote (2).

Read SEC document
April 30, 2026 Filed May 4, 2026 20:30 UTC GrantClass A Common Stock 3,625 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-204097 · ownership.xml · nonDerivative · entry 1

MURCHISON JOHN HARDY · CIK 0001202004 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,625

F1 · shares: Represents restricted stock units ("RSUs") that vest 100% on January 1st, 2027. Each RSU represents a contingent right to receive one share of Class A Common Stock.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 604,686 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · derivative · entry 16

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 14,980,623

Underlying: Class A Common Stock · 604,686 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F7 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 286,179 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · derivative · entry 15

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 7,089,834

Underlying: Class A Common Stock · 286,179 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F6 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 252,361 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · derivative · entry 14

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 6,252,037

Underlying: Class A Common Stock · 252,361 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 12,569 $21.18 $266,148.58
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · nonDerivative · entry 8

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B GI LP

Disclosed balance after: 311,396

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 14,205 $21.18 $300,790.88
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · nonDerivative · entry 7

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III GI LP

Disclosed balance after: 351,898

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 604,686 $21.18 $12,804,226.05
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · nonDerivative · entry 6

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F7 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 286,179 $21.18 $6,059,840.33
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · nonDerivative · entry 5

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F6 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 252,361 $21.18 $5,343,744.18
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · nonDerivative · entry 4

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionClass A Common Stock 604,686 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · nonDerivative · entry 3

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 604,686

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F7 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionClass A Common Stock 286,179 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · nonDerivative · entry 2

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 286,179

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F6 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 21:59 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionClass A Common Stock 252,361 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-132244 · ownership.xml · nonDerivative · entry 1

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 252,361

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 604,686 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · derivative · entry 16

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 14,980,623

Underlying: Class A Common Stock · 604,686 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F6 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 286,179 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · derivative · entry 15

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 7,089,834

Underlying: Class A Common Stock · 286,179 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 252,361 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · derivative · entry 14

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 6,252,037

Underlying: Class A Common Stock · 252,361 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 12,569 $21.18 $266,148.58
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · nonDerivative · entry 8

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B GI LP

Disclosed balance after: 311,396

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 14,205 $21.18 $300,790.88
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · nonDerivative · entry 7

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III GI LP

Disclosed balance after: 351,898

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 604,686 $21.18 $12,804,226.05
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · nonDerivative · entry 6

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F6 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 286,179 $21.18 $6,059,840.33
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · nonDerivative · entry 5

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 252,361 $21.18 $5,343,744.18
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · nonDerivative · entry 4

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionClass A Common Stock 604,686 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · nonDerivative · entry 3

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 604,686

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F6 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionClass A Common Stock 286,179 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · nonDerivative · entry 2

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 286,179

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:40 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionClass A Common Stock 252,361 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-144071 · ownership.xml · nonDerivative · entry 1

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 252,361

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 4,031,250 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · derivative · entry 16

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 15,585,309

Underlying: Class A Common Stock · 4,031,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F6 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 1,907,855 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · derivative · entry 15

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 7,376,013

Underlying: Class A Common Stock · 1,907,855 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 1,682,406 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · derivative · entry 14

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 6,504,398

Underlying: Class A Common Stock · 1,682,406 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 83,795 $21.18 $1,774,359.13
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · nonDerivative · entry 8

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B GI LP

Disclosed balance after: 323,965

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 94,694 $21.18 $2,005,145.45
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · nonDerivative · entry 7

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III GI LP

Disclosed balance after: 366,103

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 4,031,250 $21.18 $85,361,718.75
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · nonDerivative · entry 6

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F6 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 1,907,855 $21.18 $40,398,829.63
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · nonDerivative · entry 5

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
SaleClass A Common Stock 1,682,406 $21.18 $35,624,947.05
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · nonDerivative · entry 4

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionClass A Common Stock 4,031,250 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · nonDerivative · entry 3

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 4,031,250

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F6 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionClass A Common Stock 1,907,855 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · nonDerivative · entry 2

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 1,907,855

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 26, 2026 Filed Apr 6, 2026 21:30 UTC Amendment
Fairbanks Jonathan B.Director · 10% owner · See Remarks
GEC Advisors LLC10% owner · See Remarks
GEC Group B Ltd10% owner · See Remarks
GEC Capital Group III-B LP10% owner · See Remarks
GEC Estis Co-Invest II LLC10% owner · See Remarks
GEC Group Ltd10% owner · See Remarks
GEC Capital Group III LP10% owner · See Remarks
GEC Partners III LP10% owner · See Remarks
GEC Partners III B LP10% owner · See Remarks
Exercise / conversionClass A Common Stock 1,682,406 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-144048 · ownership.xml · nonDerivative · entry 1

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

GEC Advisors LLC · CIK 0002051005 · 10% owner · See Remarks

GEC Group B Ltd · CIK 0002050986 · 10% owner · See Remarks

GEC Capital Group III-B LP · CIK 0002052262 · 10% owner · See Remarks

GEC Estis Co-Invest II LLC · CIK 0001986070 · 10% owner · See Remarks

GEC Group Ltd · CIK 0002051007 · 10% owner · See Remarks

GEC Capital Group III LP · CIK 0002051026 · 10% owner · See Remarks

GEC Partners III LP · CIK 0001618169 · 10% owner · See Remarks

GEC Partners III B LP · CIK 0002051019 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 1,682,406

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 4,031,250 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · derivative · entry 16

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 15,585,309

Underlying: Class A Common Stock · 4,031,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F7 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 1,907,855 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · derivative · entry 15

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 7,376,013

Underlying: Class A Common Stock · 1,907,855 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F6 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionLLC Interests · Derivative 1,682,406 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · derivative · entry 14

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 6,504,398

Underlying: Class A Common Stock · 1,682,406 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.exercise_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.exercise_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F1 · derivative.expiration_date: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · derivative.expiration_date: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 83,795 $21.18 $1,774,359.13
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · nonDerivative · entry 8

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B GI LP

Disclosed balance after: 323,965

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 94,694 $21.18 $2,005,145.45
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · nonDerivative · entry 7

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III GI LP

Disclosed balance after: 366,103

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 4,031,250 $21.18 $85,361,718.75
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · nonDerivative · entry 6

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F7 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 1,907,855 $21.18 $40,398,829.63
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · nonDerivative · entry 5

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F6 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
SaleClass A Common Stock 1,682,406 $21.18 $35,624,947.05
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · nonDerivative · entry 4

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 0

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionClass A Common Stock 4,031,250 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · nonDerivative · entry 3

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Estis Co-Invest II LLC

Disclosed balance after: 4,031,250

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F7 · ownership.nature: These securities are held directly by GEC Estis Co-Invest II LLC. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

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March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionClass A Common Stock 1,907,855 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · nonDerivative · entry 2

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III LP

Disclosed balance after: 1,907,855

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

F6 · ownership.nature: These securities are held directly by GEC Partners III LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group Ltd. and GEC Capital Group III LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

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March 23, 2026 Filed Mar 25, 2026 21:28 UTC
Fairbanks Jonathan B.Director · 10% owner · See Remarks
Exercise / conversionClass A Common Stock 1,682,406 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-124409 · ownership.xml · nonDerivative · entry 1

Fairbanks Jonathan B. · CIK 0002048763 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEC Partners III-B LP

Disclosed balance after: 1,682,406

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents Common Units (the "Common Units") of Flowco MergeCo LLC ("Flowco MergeCo"). Each Common Unit is paired with one share of Class B common stock of the Issuer ("Class B Common Stock", and together with the paired Common Unit, the "Paired Interest"). Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo, dated as of January 17, 2025 (the "Restated LLC Agreement"), each Paired Interest is exchangeable into one share of Class A Common Stock ("Class A Common Stock") of the Issuer (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. [continues in footnote 2]

F2 · price: [continued from footnote 1] Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F3 · ownership.nature: GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Capital Group III LP and GEC Group B Ltd. disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F4 · ownership.nature: These securities are held directly by GEC Partners III-B LP. Each of Mr. Fairbanks, GEC Advisors LLC, GEC Group B Ltd. and GEC Capital Group III-B LP disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein.

F5 · ownership.nature: Each of GEC Advisors LLC, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP, GEC Partners III LP and GEC Estis Co-Invest II LLC will be added as Reporting Persons once their EDGAR accounts are reactivated.

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February 27, 2026 Filed Mar 2, 2026 16:30 UTC
Talton Brooks Mims IIIEVP, Natural Gas Technologies
ConversionLLC Interests · Derivative 100,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-085505 · ownership.xml · derivative · entry 2

Talton Brooks Mims III · CIK 0002052005 · EVP, Natural Gas Technologies

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,017,512

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The 100,000 shares of Class A common stock of the Issuer (the "Class A Common Stock") were acquired upon redemption and exchange of an equal number of Common Units of Flowco MergeCo LLC (the "Common Units") and shares of Class B common stock of the Issuer (the "Class B Common Stock", and together with the paired Common Unit, the "Paired Interest") as described in footnote (2).

F2 · derivative.exercise_price: Represents Common Units. Each Common Unit is paired with one share of Class B Common Stock. Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo LLC (the "Restated LLC Agreement"), each Paired Interest will be exchangeable into one share of Class A Common Stock (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F2 · derivative.exercise_date: Represents Common Units. Each Common Unit is paired with one share of Class B Common Stock. Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo LLC (the "Restated LLC Agreement"), each Paired Interest will be exchangeable into one share of Class A Common Stock (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

F2 · derivative.expiration_date: Represents Common Units. Each Common Unit is paired with one share of Class B Common Stock. Pursuant to a Second Amended and Restated Limited Liability Company Agreement of Flowco MergeCo LLC (the "Restated LLC Agreement"), each Paired Interest will be exchangeable into one share of Class A Common Stock (or at the Issuer's election, cash based on the redemption rate set forth in the Restated LLC Agreement and the value of the Class A Common Stock at the time of the exchange), subject to the terms of the Restated LLC Agreement. Upon an exchange of the Paired Interests for Class A Common Stock, the corresponding number of shares of Class B Common Stock, which entitle its holder to one vote per share on all matters presented to the Issuer's stockholders, generally will be cancelled.

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February 27, 2026 Filed Mar 2, 2026 16:30 UTC
Talton Brooks Mims IIIEVP, Natural Gas Technologies
ConversionClass A Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-085505 · ownership.xml · nonDerivative · entry 1

Talton Brooks Mims III · CIK 0002052005 · EVP, Natural Gas Technologies

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183,675

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The 100,000 shares of Class A common stock of the Issuer (the "Class A Common Stock") were acquired upon redemption and exchange of an equal number of Common Units of Flowco MergeCo LLC (the "Common Units") and shares of Class B common stock of the Issuer (the "Class B Common Stock", and together with the paired Common Unit, the "Paired Interest") as described in footnote (2).

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.