ONEW

SEC source: 0001140361-20-003215 · form4.xml · derivative · entry 8

Singleton Philip Austin Jr. · CIK 0001789635 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Austin Singleton Irrevocable Trust, Dated December 30, 2015

Disclosed balance after: 476,261

Underlying: Class A common stock, par value $0.01 · 476,261 shares

Expires not disclosed

F7 · derivative.exercise_price: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F4 · kind: Pursuant to the Reorganization (as defined in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-232639)) as part of the Issuer's initial public offering, the Reporting Person's equity ownership in One Water Marine Holdings, LLC ("OneWater LLC") was converted into newly issued common units in OneWater LLC (the "Common Units") together with an equal number of shares of Class B common stock in the Issuer. The shares of Class B common stock (i) confer no incidents of economic ownership on the holders thereof, (ii) only confer voting rights on the holders thereof and (iii) may only be issued, on a one-for-one basis, to the holders of Common Units.

F7 · price: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F7 · derivative.exercise_date: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F7 · derivative.expiration_date: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F6 · ownership.nature: The Reporting Person serves as the trustee of the Austin Singleton Irrevocable Trust, dated December 30, 2015 and has sole voting and investment control over shares held by the trust.

SEC source: 0001140361-20-003215 · form4.xml · derivative · entry 7

Singleton Philip Austin Jr. · CIK 0001789635 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Philip Singleton Irrevocable Trust, Dated December 24, 2015

Disclosed balance after: 414,968

Underlying: Class A common stock, par value $0.01 · 414,968 shares

Expires not disclosed

F7 · derivative.exercise_price: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F4 · kind: Pursuant to the Reorganization (as defined in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-232639)) as part of the Issuer's initial public offering, the Reporting Person's equity ownership in One Water Marine Holdings, LLC ("OneWater LLC") was converted into newly issued common units in OneWater LLC (the "Common Units") together with an equal number of shares of Class B common stock in the Issuer. The shares of Class B common stock (i) confer no incidents of economic ownership on the holders thereof, (ii) only confer voting rights on the holders thereof and (iii) may only be issued, on a one-for-one basis, to the holders of Common Units.

F7 · price: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F7 · derivative.exercise_date: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F7 · derivative.expiration_date: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F5 · ownership.nature: The Reporting Person serves as the trustee of the Philip Singleton Irrevocable Trust, dated December 24, 2015 and has sole voting and investment control over shares held by the trust.

SEC source: 0001140361-20-003215 · form4.xml · derivative · entry 6

Singleton Philip Austin Jr. · CIK 0001789635 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Auburn OWMH, LLLP

Disclosed balance after: 764,373

Underlying: Class A common stock, par value $0.01 · 764,373 shares

Expires not disclosed

F7 · derivative.exercise_price: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F4 · kind: Pursuant to the Reorganization (as defined in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-232639)) as part of the Issuer's initial public offering, the Reporting Person's equity ownership in One Water Marine Holdings, LLC ("OneWater LLC") was converted into newly issued common units in OneWater LLC (the "Common Units") together with an equal number of shares of Class B common stock in the Issuer. The shares of Class B common stock (i) confer no incidents of economic ownership on the holders thereof, (ii) only confer voting rights on the holders thereof and (iii) may only be issued, on a one-for-one basis, to the holders of Common Units.

F7 · price: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F7 · derivative.exercise_date: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F7 · derivative.expiration_date: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F2 · ownership.nature: The general partner of Auburn OWMH, LLLP is Singleton Asset Management, LLC, for which the Reporting Person is the sole manager and has sole voting and investment control over shares held by Auburn OWMH, LLLP.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001140361-20-003215 · form4.xml · nonDerivative · entry 5

Singleton Philip Austin Jr. · CIK 0001789635 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Austin Singleton Irrevocable Trust, Dated December 30, 2015

Disclosed balance after: 476,261

F4 · price: Pursuant to the Reorganization (as defined in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-232639)) as part of the Issuer's initial public offering, the Reporting Person's equity ownership in One Water Marine Holdings, LLC ("OneWater LLC") was converted into newly issued common units in OneWater LLC (the "Common Units") together with an equal number of shares of Class B common stock in the Issuer. The shares of Class B common stock (i) confer no incidents of economic ownership on the holders thereof, (ii) only confer voting rights on the holders thereof and (iii) may only be issued, on a one-for-one basis, to the holders of Common Units.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F6 · ownership.nature: The Reporting Person serves as the trustee of the Austin Singleton Irrevocable Trust, dated December 30, 2015 and has sole voting and investment control over shares held by the trust.

SEC source: 0001140361-20-003215 · form4.xml · nonDerivative · entry 4

Singleton Philip Austin Jr. · CIK 0001789635 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Philip Singleton Irrevocable Trust, Dated December 24, 2015

Disclosed balance after: 414,968

F4 · price: Pursuant to the Reorganization (as defined in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-232639)) as part of the Issuer's initial public offering, the Reporting Person's equity ownership in One Water Marine Holdings, LLC ("OneWater LLC") was converted into newly issued common units in OneWater LLC (the "Common Units") together with an equal number of shares of Class B common stock in the Issuer. The shares of Class B common stock (i) confer no incidents of economic ownership on the holders thereof, (ii) only confer voting rights on the holders thereof and (iii) may only be issued, on a one-for-one basis, to the holders of Common Units.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F5 · ownership.nature: The Reporting Person serves as the trustee of the Philip Singleton Irrevocable Trust, dated December 24, 2015 and has sole voting and investment control over shares held by the trust.

SEC source: 0001140361-20-003215 · form4.xml · nonDerivative · entry 3

Singleton Philip Austin Jr. · CIK 0001789635 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Auburn OWMH, LLLP

Disclosed balance after: 764,373

F4 · price: Pursuant to the Reorganization (as defined in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-232639)) as part of the Issuer's initial public offering, the Reporting Person's equity ownership in One Water Marine Holdings, LLC ("OneWater LLC") was converted into newly issued common units in OneWater LLC (the "Common Units") together with an equal number of shares of Class B common stock in the Issuer. The shares of Class B common stock (i) confer no incidents of economic ownership on the holders thereof, (ii) only confer voting rights on the holders thereof and (iii) may only be issued, on a one-for-one basis, to the holders of Common Units.

F2 · ownership.nature: The general partner of Auburn OWMH, LLLP is Singleton Asset Management, LLC, for which the Reporting Person is the sole manager and has sole voting and investment control over shares held by Auburn OWMH, LLLP.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001140361-20-003215 · form4.xml · nonDerivative · entry 2

Singleton Philip Austin Jr. · CIK 0001789635 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Auburn OWMH, LLLP

Disclosed balance after: 62,500

F2 · ownership.nature: The general partner of Auburn OWMH, LLLP is Singleton Asset Management, LLC, for which the Reporting Person is the sole manager and has sole voting and investment control over shares held by Auburn OWMH, LLLP.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001140361-20-003215 · form4.xml · nonDerivative · entry 1

Singleton Philip Austin Jr. · CIK 0001789635 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,333

F1 · kind: Award of restricted stock units pursuant to the OneWater Marine Inc. 2020 Omnibus Incentive Plan. The award vests in in four installments on February 7, 2021, February 7, 2022, February 7, 2023 and February 7, 2024, subject to continued employment through the applicable vesting date.

SEC source: 0001140361-20-003211 · form4.xml · derivative · entry 4

Troiano John · CIK 0001789800 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OWM BIP Investor, LLC

Disclosed balance after: 605,752

Underlying: Class A common stock, par value $0.01 · 605,752 shares

Expires not disclosed

F6 · derivative.exercise_price: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F4 · kind: Pursuant to the Reorganization, as part of the Issuer's initial public offering, the Reporting Person's equity ownership in One Water Marine Holdings, LLC ("OneWater LLC") was converted into newly issued common units in OneWater LLC (the "Common Units") together with an equal number of shares of Class B common stock in the Issuer. The shares of Class B common stock (i) confer no incidents of economic ownership on the holders thereof, (ii) only confer voting rights on the holders thereof and (iii) may only be issued, on a one-for-one basis, to the holders of Common Units.

F6 · price: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F6 · derivative.exercise_date: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F6 · derivative.expiration_date: At the request of the holder, each Common Unit of OneWater LLC may be coupled with a share of Class B common stock and redeemed for, at the Issuer's election and subject to certain restrictions in the Fourth Amended and Restated Limited Liability Company Agreement of OneWater LLC (the "OneWater LLC Agreement"), newly-issued shares of Class A common stock of OneWater Marine Inc. on a one-for-one basis or for a cash payment to be determined pursuant to the OneWater LLC Agreement for each Common Unit redeemed. The Common Units do not expire.

F2 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F5 · ownership.nature: Beekman Investment Partners AIV III-OWM, L.P. ("AIV III") is an investment fund that is managed by a general partner, Beekman Investment Group III, LLC. OWM BIP Investor, LLC is an investment vehicle wholly owned by AIV III. The Reporting Person is the sole manager of Beekman Investment Group III, LLC.

SEC source: 0001140361-20-003211 · form4.xml · nonDerivative · entry 3

Troiano John · CIK 0001789800 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OWM BIP Investor, LLC

Disclosed balance after: 605,752

F3 · price: Shares issued in connection with the Reorganization (as defined in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-232639)).

F4 · price: Pursuant to the Reorganization, as part of the Issuer's initial public offering, the Reporting Person's equity ownership in One Water Marine Holdings, LLC ("OneWater LLC") was converted into newly issued common units in OneWater LLC (the "Common Units") together with an equal number of shares of Class B common stock in the Issuer. The shares of Class B common stock (i) confer no incidents of economic ownership on the holders thereof, (ii) only confer voting rights on the holders thereof and (iii) may only be issued, on a one-for-one basis, to the holders of Common Units.

F2 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F5 · ownership.nature: Beekman Investment Partners AIV III-OWM, L.P. ("AIV III") is an investment fund that is managed by a general partner, Beekman Investment Group III, LLC. OWM BIP Investor, LLC is an investment vehicle wholly owned by AIV III. The Reporting Person is the sole manager of Beekman Investment Group III, LLC.

SEC source: 0001140361-20-003211 · form4.xml · nonDerivative · entry 2

Troiano John · CIK 0001789800 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Beekman Investment Partners AIV III-OWM, L.P.

Disclosed balance after: 183,548

F3 · price: Shares issued in connection with the Reorganization (as defined in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-232639)).

F2 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F5 · ownership.nature: Beekman Investment Partners AIV III-OWM, L.P. ("AIV III") is an investment fund that is managed by a general partner, Beekman Investment Group III, LLC. OWM BIP Investor, LLC is an investment vehicle wholly owned by AIV III. The Reporting Person is the sole manager of Beekman Investment Group III, LLC.

SEC source: 0001140361-20-003211 · form4.xml · nonDerivative · entry 1

Troiano John · CIK 0001789800 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Beekman Investment Partners III, LP

Disclosed balance after: 385,734

F1 · ownership.nature: Beekman Investment Partners III, L.P. is an investment fund managed by a general partner, Beekman Investment Group III, LLC. The Reporting Person is the sole manager of Beekman Investment Group III, LLC.

F2 · ownership.nature: The Reporting Person disclaims beneficial ownership of the shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001140361-20-003738 · form4.xml · nonDerivative · entry 1

LEGLER MITCHELL W · CIK 0001181882 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,333

F1 · shares: The Form 4 originally filed on February 13, 2020 inadvertently reported the incorrect number of shares of Class A common stock, par value $0.01, acquired and beneficially owned by the Reporting Person. This amendment is being filed to correct the originally reported amount of Class A common stock, par value $0.01, acquired and beneficially owned by the Reporting Person.

F1 · balance_after: The Form 4 originally filed on February 13, 2020 inadvertently reported the incorrect number of shares of Class A common stock, par value $0.01, acquired and beneficially owned by the Reporting Person. This amendment is being filed to correct the originally reported amount of Class A common stock, par value $0.01, acquired and beneficially owned by the Reporting Person.