X0202 SCHEDULE 13G/A 0001104659-25-061798 0001918437 XXXXXXXX LIVE 1 Class A Common Stock, $0.001 par value per share 03/31/2026 0001870600 Solo Brands, Inc. 83425V203 1001 Mustang Dr. Grapevine TX 76051 Rule 13d-1(c) Arbour Lane Capital Management, LP DE 0 121999 0 121999 121999 N 4.8 PN Arbour Lane - TX, L.P. DE 0 8418 0 8418 8418 N 0.3 PN Arbour Lane - Hiwassee, L.P. DE 0 8418 0 8418 8418 N 0.3 PN ALCOF III NUBT, L.P. DE 0 105163 0 105163 105163 N 4.1 PN Robert Franz X1 0 121999 0 121999 121999 N 4.8 HC IN Kenneth Hoffman X1 0 121999 0 121999 121999 N 4.8 HC IN Dan Galanter X1 0 121999 0 121999 121999 N 4.8 HC IN Solo Brands, Inc. 1001 Mustang Dr., Grapevine, TX 76051 The names of the persons filing this report (collectively, the "Reporting Persons") with respect to shares of Class A Common Stock, par value $0.001 per share (the "Shares") of Solo Brands, Inc. (the "Issuer") are: (i) Arbour Lane Capital Management, LP ("Arbour Lane") (ii) Arbour Lane - TX, L.P. ("Arbour Lane TX") (iii) Arbour Lane - Hiwassee, L.P. ("Arbour Lane Hiwassee") (iv) ALCOF III NUBT, L.P. ("ALCOF III") (v) Robert Franz (vi) Kenneth Hoffman (vii) Dan Galanter The address of the principal business office of each of the Reporting Persons is 700 Canal Street, 4th Floor, Stamford, Connecticut 06902 Each of Arbour Lane, Arbour Lane TX, Arbour Lane Hiwassee, and ALCOF III is a Delaware limited partnership. Messrs. Franz, Hoffman and Galanter are United States citizens. Y The information required by this item with respect to each Reporting Person is set forth in Rows 5 through 9 of the cover pages to this Schedule 13G. The ownership percentages reported are based on 2,558,647 Shares outstanding as of March 24, 2026, as reported by the Issuer in its Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on April 10, 2026. Arbour Lane TX directly holds 8,418 Shares. Arbour Lane Hiwassee directly holds 8,418 Shares. ALCOF III directly holds 105,163 Shares. Arbour Lane serves as the investment manager of each of Arbour Lane TX, Arbour Lane Hiwassee, and ALCOF III. Arbour Lane - TX GP LLC ("TX GP") is the general partner of Arbour Lane TX. Arbour Lane - Hiwassee GP, LLC ("Hiwassee GP") is the general partner of Arbour Lane Hiwassee. Arbour Lane Fund III GP LLC ("Fund III GP") is the general partner of ALCOF III. Each of Robert Franz, Kenneth Hoffman and Dan Galanter is a managing member of Arbour Lane, TX GP, Hiwassee GP, and Fund III GP. The information required by this item with respect to each Reporting Person is set forth in Row 11 of the cover pages to this Schedule 13G. The information required by this item with respect to each Reporting Person is set forth in Row 5 of the cover pages to this Schedule 13G. The information required by this item with respect to each Reporting Person is set forth in Row 6 of the cover pages to this Schedule 13G. The information required by this item with respect to each Reporting Person is set forth in Row 7 of the cover pages to this Schedule 13G. The information required by this item with respect to each Reporting Person is set forth in Row 8 of the cover pages to this Schedule 13G. N 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. Arbour Lane Capital Management, LP /s/ Robert Franz 04/24/2026 Arbour Lane - TX, L.P. /s/ Robert Franz 04/24/2026 Arbour Lane - Hiwassee, L.P. /s/ Robert Franz 04/24/2026 ALCOF III NUBT, L.P. /s/ Robert Franz 04/24/2026 Robert Franz /s/ Robert Franz 04/24/2026 Kenneth Hoffman /s/ Kenneth Hoffman 04/24/2026 Dan Galanter /s/ Dan Galanter 04/24/2026