NSTS Bancorp, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

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

Note 11 - Stock Based Compensation (Tables)

v3.26.1

Note 11 - Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block]

	*As of March 31,*
	*2026*			*2025*
	(Dollars in thousands)
Shares allocated		85,669			64,844
Shares committed for allocation		5,403			5,305
Shares distributed to plan participants		(3,625	)		(1,597	)
Unallocated		340,764			361,687
Total ESOP shares		428,211			430,239

Fair value of unearned shares as of March 31, 2026 and 2025, respectively	$	3,973		$	4,083

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

Stock Option	*Shares*			*Weighted Average Exercise Price*		Aggregate Intrinsic Value⁽¹⁾

Outstanding at December 31, 2024		500,500		$	9.59
Granted		—			—
Exercised		—			—
Forfeited		(8,000	)		9.36
Outstanding at March 31, 2025		492,500		$	9.59	$	837
Exercisable - End of Period		106,900			9.36		206

Outstanding at December 31, 2025		467,500		$	9.61
Granted		—			—
Exercised		—			—
Forfeited		—			—
Outstanding at March 31, 2026		467,500		$	9.61	$	958
Exercisable - End of Period		175,400			9.49		381

Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

Restricted Stock	*Shares*		*Weighted Average Grant Date Fair Value*

Non-vested balance as of December 31, 2024		151,740	$	9.57
Granted		—		—
Vested		—		—
Forfeited		2,000		9.36
Non-vested balance as of March 31, 2025		149,740	$	9.57

Non-vested balance as of December 31, 2025		113,140	$	9.58
Granted		—		—
Vested		—		—
Forfeited		—		—
Non-vested balance as of March 31, 2026		113,140	$	9.58

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	*Three Months Ended March 31,*
	*2026*		*2025*
	(Dollars in thousands)
Stock option expense	$	86	$	73
Restricted stock expense		87		84
Total stock based compensation expense	$	173	$	157

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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