X0609 4 2026-03-30 0 0001870600 Solo Brands, Inc. SBDS 0001609333 Larson John P. false 1001 MUSTANG DR. GRAPEVINE TX 76051 1 1 0 0 President and CEO 0 Class A Common Stock 2026-03-30 4 P 0 4073 3.6826 A 84616 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.57 to $3.819, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Chris Blevins, Attorney-in-Fact for John Larson 2026-03-31