X0202 SCHEDULE 13G/A 0001825628 XXXXXXXX LIVE 7 CLASS A COMMON STOCK, PAR VALUE $0.01 PER SHARE 09/30/2026 0001772921 OneWater Marine Inc. 68280L101 6275 Lanier Islands Parkway Buford GA 30518 Rule 13d-1(c) Bos Teresa D. X1 0 1665077.00 0 1665077.00 1665077.00 9.99 IN (1) Based on 16,665,619 shares of Class A common stock, par value $0.01 per share ("Class A common stock"), of OneWater Marine Inc., a Delaware corporation (the "Issuer"), issued and outstanding as of July 20, 2026. (2) Includes 780,574 shares of Class A common stock held directly by Mrs. Bos and Peter H. Bos, Jr., Mrs. Bos's spouse, as tenants in the entirety, 880,503 shares of Class A common stock held directly by Legendary Investments, LLC, a wholly owned subsidiary of Legendary, LLC, which is controlled by Mr. and Mrs. Bos, and 4,000 shares of Class A common stock held directly by Legendary, LLC, which is controlled by Mr. and Mrs. Bos. Bos Peter H. Jr. X1 0.00 1665077.00 0.00 1665077.00 1665077.00 9.99 IN (1) Based on 16,665,619 shares of Class A common stock issued and outstanding as described above. (2) Includes 780,574 shares of Class A common stock held directly by Mrs. Bos and Peter H. Bos, Jr., Mrs. Bos's spouse, as tenants in the entirety, 880,503 shares of Class A common stock held directly by Legendary Investments, LLC, a wholly owned subsidiary of Legendary, LLC, which is controlled by Mr. and Mrs. Bos, and 4,000 shares of Class A common stock held directly by Legendary, LLC, which is controlled by Mr. and Mrs. Bos. Legendary Investments, LLC/FL FL 0.00 880503.00 0.00 880503.00 880503.00 5.28 OO (1) Based on 16,665,619 shares of Class A common stock issued and outstanding as described above. (2) Includes 880,503 shares of Class A common stock held directly by Legendary Investments, LLC. Legendary, LLC FL 0.00 884503.00 0.00 884503.00 884503.00 5.31 HC (1) Based on 16,665,619 shares of Class A common stock issued and outstanding as described above. (2) Includes 880,503 shares of Class A common stock held directly by Legendary Investments, LLC, a wholly owned subsidiary of Legendary, LLC, which is controlled by Mr. and Mrs. Bos, and 4,000 shares of Class A common stock held directly by Legendary, LLC, which is controlled by Mr. and Mrs. Bos. OneWater Marine Inc. 6275 Lanier Islands Parkway, Buford, Georgia, 30518 Teresa D. Bos Peter H. Bos, Jr. Legendary Investments, LLC Legendary, LLC 4471 Legendary Drive Destin, Florida 32541 Teresa D. Bos: United States Peter H. Bos, Jr.: United States Legendary Investments, LLC: Florida Legendary, LLC: Florida Y The information required by Item 4(a) is set forth in Rows (5) - (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person. Mr. and Mrs. Bos directly hold 780,574 shares of Class A common stock as tenants in the entirety. 880,503 shares of Class A common stock are held directly by Legendary Investments, LLC, a wholly owned subsidiary of Legendary, LLC, which is controlled by Mr. and Mrs. Bos and such shares may be deemed to be beneficially owned by Mr. and Mrs. Bos. 4,000 shares of Class A common stock are held directly by Legendary, LLC, which is controlled by Mr. and Mrs. Bos and such shares may be deemed to be beneficially owned by Mr. and Mrs. Bos. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interests in, such securities. The information required by Item 4(b) is set forth in Rows (5) - (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person. The calculations in this Schedule 13G are based on 16,665,619 shares of Class A common stock of the Issuer issued and outstanding as of July 20, 2026. The information required by Item 4(c) is set forth in Rows (5) - (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person. The information required by Item 4(c) is set forth in Rows (5) - (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person. The information required by Item 4(c) is set forth in Rows (5) - (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person. The information required by Item 4(c) is set forth in Rows (5) - (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each Reporting Person. Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. 99.1 Joint Filing Agreement (incorporated by reference to Exhibit 99.1 to the Schedule 13G filed by the Reporting Persons on January 12, 2022). https://www.sec.gov/Archives/edgar/data/1772921/000114036122001455/brhc10032736_99-1.htm 99.2 Power of Attorney - Teresa D. Bos (incorporated by reference to Exhibit 99.2 to the Schedule 13G filed by the Reporting Persons on January 8, 2025). https://www.sec.gov/Archives/edgar/data/1772921/000114036125000663/ef20041277_ex99-2.htm 99.3 Power of Attorney - Peter H. Bos, Jr. (incorporated by reference to Exhibit 99.3 to the Schedule 13G filed by the Reporting Persons on January 8, 2025). https://www.sec.gov/Archives/edgar/data/1772921/000114036125000663/ef20041277_ex99-3.htm 99.4 Power of Attorney - Legendary Investments, LLC and Legendary, LLC (incorporated by reference to Exhibit 99.4 to the Schedule 13G filed by the Reporting Persons on January 8, 2025). https://www.sec.gov/Archives/edgar/data/1772921/000114036125000663/ef20041277_ex99-4.htm Bos Teresa D. /s/ Tom Lynn 11/12/2026 Bos Peter H. Jr. /s/ Tom Lynn 11/12/2026 Legendary Investments, LLC/FL /s/ Tom Lynn 11/12/2026 Legendary, LLC /s/ Tom Lynn 11/12/2026