X0609 4 2026-08-10 0001114927 FIRST NORTHERN COMMUNITY BANCORP FNRN 0001700166 Schulze Mark C false 195 N 1ST STREET DIXON CA 95620 1 0 Common 2026-08-10 4 S 0 3000 16.9674 D 733289 D Common 2026-08-10 4 S 0 2250 17.178 D 731039 D Common 2026-08-11 4 S 0 1118 17.40070 D 729921 D The price shown in column 4 is a weighted average price. The trade prices ranged from $16.95 to $16.995. Detailed price listing available upon request. The price shown in column 4 is a weighted average price. The trade prices ranged from $17.02 to $17.35. Detailed price listing available upon request. The price shown in column 4 is a weighted average price. The trade prices ranged from $17.35 to $17.60. Detailed price listing available upon request. /s/ Devon Camara-Soucy 2026-08-12