ServisFirst Bancshares, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Note 4 - Securities (Details Textual)

Note 4 - Securities (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
Note 4 - Securities (Details Textual) - USD ($)	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest	$ 0		$ 0		$ 0
Debt Securities, Available-for-Sale, Sold at Par Value	430,100,000
Debt Securities, Available-for-Sale, Realized Gain (Loss)	148,000	$ (7,812,000)	148,000	$ (16,375,000)
Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Sold at Par Value		83,800,000		153,900,000
Debt Securities, Available-for-Sale, Realized Gain (Loss)		7,800,000		16,400,000
US Treasury Securities and Residential Mortgage-Backed Securities [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	0	0	0	0
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest	0	$ 0	0	$ 0
Asset Not Pledged as Collateral and Asset Pledged as Collateral without Right [Member]
Debt Securities	$ 1,080,000,000.00		$ 1,080,000,000.00		$ 1,230,000,000

- Definition

Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

+ References

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+ Details