X0508 4 2025-12-08 0 0002032545 CALLAN JMB INC. CJMB 0002046080 Duke Liberty Smith C/O CALLAN JMB INC. 244 FLIGHTLINE DRIVE SPRING BRANCH TX 78070 1 0 0 0 0 Common Stock 2025-12-08 4 P 0 900 1.56 A 900 D Common Stock 2025-12-09 4 P 0 612 1.52 A 1512 D Option (Right to Buy) 2025-02-04 4 A 0 25000 4.00 A 2025-06-30 2035-02-04 Common Stock 25000 25000 D The reported price is a weighted average price. These shares were purchased in multiple transactions ranging from $1.53 to $1.81, inclusive. The reporting person undertakes to provide Callan JMB Inc., any security holder of Callan JMB Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote to this Form 4 Granted on the first day of the Initial Public Offering of the Company ("Offering"). The option vests on the first-year anniversary of the closing of the Offering, i.e. February 4, 2026. /s/ Liberty Duke 2025-12-10