NSTS Bancorp, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 2 - Securities - Amortized Cost and Estimated Fair Value of Debt Securities (Details)

v3.25.1

Note 2 - Securities - Amortized Cost and Estimated Fair Value of Debt Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
1 year or less	$ 1,000	$ 4,265
1 to 5 years	28,556	28,125
5 to 10 years	30,591	34,752
After 10 years	11,102	14,993
Fair value	71,249	82,135
Gross unrealized gains	0	1
Gross unrealized losses	(12,037)	(11,503)
Amortized cost	83,286	93,637
US Government Agencies Debt Securities [Member]
1 year or less	1,000	0
1 to 5 years	3,047	4,769
5 to 10 years	4,610	4,337
After 10 years	0	0
Fair value	8,657	9,106
Gross unrealized gains	0	0
Gross unrealized losses	(1,062)	(1,128)
Amortized cost	9,719	10,234
Municipal Bonds [Member]
1 year or less	0	1,292
1 to 5 years	1,452	1,461
5 to 10 years	2,401	882
After 10 years	7,883	9,935
Fair value	11,736	13,570
Gross unrealized gains	0	1
Gross unrealized losses	(2,367)	(1,882)
Amortized cost	14,103	15,451
Residential Mortgage-Backed Securities [Member]
1 year or less	0	0
1 to 5 years	8,971	8,976
5 to 10 years	15,794	19,777
After 10 years	1,150	1,598
Fair value	25,915	30,351
Gross unrealized gains	0	0
Gross unrealized losses	(4,766)	(4,533)
Amortized cost	30,681	34,884
Commercial Mortgage-Backed Securities [Member]
1 year or less	0	0
1 to 5 years	15,086	12,919
5 to 10 years	7,786	9,756
After 10 years	2,069	3,460
Fair value	24,941	26,135
Gross unrealized gains	0	0
Gross unrealized losses	(3,842)	(3,938)
Amortized cost	$ 28,783	30,073
U.S. Treasury Notes [Member]
1 year or less		2,973
1 to 5 years		0
5 to 10 years		0
After 10 years		0
Fair value		2,973
Gross unrealized gains		0
Gross unrealized losses		(22)
Amortized cost		$ 2,995

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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