NSTS Bancorp, Inc. SEC EDGAR Filings (CIK 0001881592)

SEC EDGAR filings, ownership reports, and insider transactions for NSTS Bancorp, Inc..

Symbol
NSTS on Nasdaq
Industry
Savings Institution, Federally Chartered (Office Of Finance)
Business address
700 Lewis Ave., Waukegan, IL, 60085
Fiscal year end
31 December
⭐ Add to watchlist ⭐
Get insider transactions for this issuer
NSTS Bancorp, Inc. has filed 100 SEC EDGAR filings since 13 Sep 2021

Latest Filings

Recent SEC filings for NSTS Bancorp, Inc. including 10-Q, 3, 8-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 Nov 2025 30 Sep 2025 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 14 Aug 2025 30 Jun 2025 001-41232
3 Open 3 document View SEC filing for 3 FORM 3 25 Jun 2025 18 Jun 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 18 Jun 2025 18 Jun 2025 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 May 2025 21 May 2025 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 14 May 2025 31 Mar 2025 001-41232
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 11 Apr 2025 001-41232
DEF 14A Open DEF 14A document View SEC filing for DEF 14A FORM DEF 14A 11 Apr 2025 21 May 2025 001-41232
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 28 Mar 2025 31 Dec 2024 001-41232
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 10 Feb 2025 005-93904
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Feb 2025 07 Feb 2025 001-41232
4 Open 4 document View SEC filing for 4 FORM 4 23 Dec 2024 19 Dec 2024
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 15 Nov 2024 005-93904
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 Nov 2024 30 Sep 2024 001-41232
4 Open 4 document View SEC filing for 4 FORM 4 12 Aug 2024 12 Aug 2024
144 Open 144 document View SEC filing for 144 12 Aug 2024 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 09 Aug 2024 30 Jun 2024 001-41232
4 Open 4 document View SEC filing for 4 FORM 4 26 Jun 2024 26 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 26 Jun 2024 26 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 26 Jun 2024 26 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 26 Jun 2024 26 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 24 May 2024 22 May 2024 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 May 2024 31 Mar 2024 001-41232
3 Open 3 document View SEC filing for 3 FORM 3 23 Apr 2024 18 Apr 2024
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 22 Apr 2024 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Apr 2024 18 Apr 2024 001-41232
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 05 Apr 2024 001-41232
DEF 14A Open DEF 14A document View SEC filing for DEF 14A FORM DEF 14A 05 Apr 2024 22 May 2024 001-41232
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 28 Mar 2024 31 Dec 2023 001-41232
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 31 Jan 2024 005-93904
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Dec 2023 22 Dec 2023 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 21 Dec 2023 20 Dec 2023 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 Nov 2023 30 Sep 2023 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Nov 2023 02 Nov 2023 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 06 Oct 2023 05 Oct 2023 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 11 Aug 2023 30 Jun 2023 001-41232
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 16 Jun 2023 15 Jun 2023 001-41232
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 12 Jun 2023 333-272597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 May 2023 24 May 2023 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 12 May 2023 31 Mar 2023 001-41232
DEF 14A Open DEF 14A document View SEC filing for DEF 14A FORM DEF 14A 14 Apr 2023 24 May 2023 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 31 Mar 2023 29 Mar 2023 001-41232
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 30 Mar 2023 31 Dec 2022 001-41232
5 Open 5 document View SEC filing for 5 FORM 5 14 Feb 2023 31 Dec 2022
5 Open 5 document View SEC filing for 5 FORM 5 13 Feb 2023 31 Dec 2022
5 Open 5 document View SEC filing for 5 FORM 5 13 Feb 2023 31 Dec 2022
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 06 Feb 2023 005-93904
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 14 Nov 2022 30 Sep 2022 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 12 Aug 2022 30 Jun 2022 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 Jul 2022 21 Jul 2022 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 27 May 2022 25 May 2022 001-41232
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 May 2022 31 Mar 2022 001-41232
DEF 14A Open DEF 14A document View SEC filing for DEF 14A FORM DEF 14A 15 Apr 2022 25 May 2022 001-41232
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 22 Mar 2022 31 Dec 2021 001-41232
4 Open 4 document View SEC filing for 4 FORM 4 21 Jan 2022 21 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 20 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 20 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Jan 2022 18 Jan 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 19 Jan 2022 18 Jan 2022 001-41232
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 18 Jan 2022 18 Jan 2022
CERT Open CERT document View SEC filing for CERT 18 Jan 2022 001-41232
8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A12B 18 Jan 2022 001-41232
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 12 Jan 2022 12 Jan 2022 333-259483
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Jan 2022 03 Jan 2022 333-259483
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 23 Dec 2021 30 Sep 2021 333-259483
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8K DATED NOVEMBER 10, 2021 12 Nov 2021 10 Nov 2021 333-259483
424B3 Open 424B3 document View SEC filing for 424B3 FORM 424(B)(3) 12 Nov 2021 333-259483
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Nov 2021 333-259483
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Nov 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Nov 2021
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 04 Nov 2021 333-259483
CORRESP Open CORRESP document View SEC filing for CORRESP 18 Oct 2021
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 18 Oct 2021 333-259483
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Oct 2021
S-1 Open S-1 document View SEC filing for S-1 FORM S-1 13 Sep 2021 333-259483

About this filer

NSTS Bancorp, Inc. files with the SEC under CIK 0001881592. This page aggregates EDGAR filings and related ownership activity.

Industry: Savings Institution, Federally Chartered.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

Related pages