X0508 4 2026-02-17 false 0001626450 Commerce.com, Inc. CMRC 0001386430 Siminoff Ellen F 11920 ALTERRA PARKWAY, DL 11 / SUITE 100, 8TH FLOOR AUSTIN TX 78758 true true false false Executive Chair false Series 1 Common Stock 2026-02-17 4 P false 100000.00 2.9408 A 353333.00 I By The D & E Living Trust Series 1 Common Stock 77986.00 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.905 to $2.99, inclusive. The reporting person undertakes to provide to Commerce.com, Inc., any security holder of Commerce.com, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price with the ranges set forth in Footnote 1 to this Form 4. /s/ Chuck Cassidy, Attorney-in-Fact for Siminoff, Ellen 2026-02-19