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Minimum Capital Requirements (Tables)

9 Months Ended

Sep. 30, 2025

Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]

Schedule of Actual and Required Capital Amounts and Ratios

Actual and required capital amounts and ratios are included below as of the dates indicated.


September 30, 2025						Actual																		Minimum Requirement for Capital Adequacy with Capital Buffer												To Qualify as Well-Capitalized Under Prompt Corrective Action Provisions
						Amount						Ratio																		Amount						Ratio						Amount						Ratio

Total Capital (to risk-weighted assets)
FB Financial Corporation						$	1,923,161					13.6		%																$	1,488,143					10.5		%				N/A						N/A
FirstBank						1,863,890						13.3		%																1,475,854						10.5		%				$	1,405,575					10.0		%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation						$	1,662,376					11.7		%																$	1,204,687					8.5		%				N/A						N/A
FirstBank						1,687,888						12.0		%																1,194,739						8.5		%				$	1,124,460					8.0		%
Common Equity Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation						$	1,662,376					11.7		%																$	992,095					7.0		%				N/A						N/A
FirstBank						1,687,888						12.0		%																983,903						7.0		%				$	913,624					6.5		%
Tier 1 Capital (to average assets)
FB Financial Corporation						$	1,662,376					10.6		%																$	628,731					4.0		%				N/A						N/A
FirstBank						1,687,888						10.8		%																626,042						4.0		%				$	782,552					5.0		%


December 31, 2024(1)						Actual																		Minimum Requirement for Capital Adequacy with Capital Buffer												To Qualify as Well-Capitalized Under Prompt Corrective Action Provisions
						Amount						Ratio																		Amount						Ratio						Amount						Ratio

Total Capital (to risk-weighted assets)
FB Financial Corporation						$	1,721,941					15.2		%																$	1,187,163					10.5		%				N/A						N/A
FirstBank						1,650,305						14.7		%																1,175,095						10.5		%				$	1,119,138					10.0		%
Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation						$	1,480,722					13.1		%																$	961,037					8.5		%				N/A						N/A
FirstBank						1,410,505						12.6		%																951,267						8.5		%				$	895,310					8.0		%
Common Equity Tier 1 Capital (to risk-weighted assets)
FB Financial Corporation						$	1,450,722					12.8		%																$	791,442					7.0		%				N/A						N/A
FirstBank						1,410,505						12.6		%																783,397						7.0		%				$	727,440					6.5		%
Tier 1 Capital (to average assets)
FB Financial Corporation						$	1,480,722					11.3		%																$	522,557					4.0		%				N/A						N/A
FirstBank						1,410,505						10.8		%																521,538						4.0		%				$	651,923					5.0		%
(1) The Company adopted CECL on January 1, 2020, and the December 31, 2024 regulatory capital ratios reflect the final year of the Company's election of the five-year transition provision.