Marathon Bancorp, Inc. /MD/

Symbol
MBBC on Nasdaq
Business address
500 Scott Street, Wausau, WI, 54403
Fiscal year end
30 June
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Marathon Bancorp, Inc. /MD/ has filed 186 SEC EDGAR filings since 11 Dec 2020

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 03 Dec 2025 01 Dec 2025
4 Open Document Open Filing FORM 4 03 Dec 2025 01 Dec 2025
4 Open Document Open Filing FORM 4 03 Dec 2025 01 Dec 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT 28 Nov 2025 26 Nov 2025
8-K Open Document | Data Open Filing FORM 8-K 18 Nov 2025 18 Nov 2025 001-42608
4 Open Document Open Filing FORM 4 14 Nov 2025 13 Nov 2025
10-Q Open Document | Data Open Filing 10-Q 12 Nov 2025 30 Sep 2025 001-42608
ARS Open Document Open Filing ARS 15 Oct 2025 30 Jun 2025 001-42608
DEF 14A Open Document | Data Open Filing DEF 14A 15 Oct 2025 18 Nov 2025 001-42608
S-8 Open Document | Data Open Filing MARATHON BANCORP, INC. REGISTRATION STATEMENT FORM S-8 SEPTEMBER 30, 2025 30 Sep 2025 333-290635
10-K Open Document | Data Open Filing 10-K 26 Sep 2025 30 Jun 2025 001-42608
SCHEDULE 13G Open Document Open Filing 02 Sep 2025 005-92485
4/A Open Document Open Filing FORM 4/A 02 Jul 2025 28 Jun 2025
4 Open Document Open Filing FORM 4 01 Jul 2025 28 Jun 2025
4 Open Document Open Filing FORM 4 01 Jul 2025 28 Jun 2025
4 Open Document Open Filing FORM 4 01 Jul 2025 28 Jun 2025
4 Open Document Open Filing FORM 4 01 Jul 2025 28 Jun 2025
4 Open Document Open Filing FORM 4 01 Jul 2025 28 Jun 2025
11-K Open Document Open Filing MARATHON BANCORP, INC. FORM 11-K DECEMBER 31, 2024 23 Jun 2025 31 Dec 2024 001-42608
4 Open Document Open Filing FORM 4 16 Jun 2025 13 Jun 2025
4 Open Document Open Filing FORM 4 03 Jun 2025 29 May 2025
4 Open Document Open Filing FORM 4 03 Jun 2025 29 May 2025
4 Open Document Open Filing FORM 4 20 May 2025 16 May 2025
4 Open Document Open Filing FORM 4 20 May 2025 16 May 2025
4 Open Document Open Filing FORM 4 20 May 2025 16 May 2025
4 Open Document Open Filing FORM 4 20 May 2025 16 May 2025
4 Open Document Open Filing FORM 4 20 May 2025 16 May 2025
10-Q Open Document | Data Open Filing 10-Q 14 May 2025 31 Mar 2025 001-42608
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
4 Open Document Open Filing FORM 4 22 Apr 2025 21 Apr 2025
CERT Open Document Open Filing 21 Apr 2025 001-42608
8-A12B Open Document Open Filing 21 Apr 2025 001-42608
8-K Open Document | Data Open Filing 21 Apr 2025 21 Apr 2025 000-56269
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K APRIL 16, 2025 16 Apr 2025 16 Apr 2025 000-56269
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K MARCH 31, 2025 31 Mar 2025 31 Mar 2025 000-56269
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K MARCH 24, 2025 24 Mar 2025 24 Mar 2025 000-56269
424B3 Open Document Open Filing 424B3 21 Feb 2025 333-283805
424B3 Open Document Open Filing 424B3 21 Feb 2025 333-283805
424B3 Open Document Open Filing 424B3 21 Feb 2025 333-283805
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K FEBRUARY 20, 2025 20 Feb 2025 20 Feb 2025 000-56269
8-K Open Document | Data Open Filing FORM 8-K 18 Feb 2025 11 Feb 2025 000-56269
10-Q Open Document | Data Open Filing 10-Q 13 Feb 2025 31 Dec 2024 000-56269
EFFECT Open Document Open Filing 11 Feb 2025 333-283805
CORRESP Open Document Open Filing 07 Feb 2025
CORRESP Open Document Open Filing 07 Feb 2025
S-1/A Open Document | Data Open Filing S-1/A 06 Feb 2025 333-283805
UPLOAD Open Document Open Filing 19 Dec 2024 333-283805
S-1 Open Document | Data Open Filing S-1 13 Dec 2024 333-283805
425 Open Document Open Filing 425 12 Dec 2024 000-56269
8-K Open Document | Data Open Filing FORM 8-K 12 Dec 2024 10 Dec 2024 000-56269
8-K Open Document | Data Open Filing 19 Nov 2024 19 Nov 2024 000-56269
10-Q Open Document | Data Open Filing 10-Q 13 Nov 2024 30 Sep 2024 000-56269
ARS Open Document Open Filing ARS 11 Oct 2024 30 Jun 2024 000-56269
DEF 14A Open Document Open Filing DEF 14A 11 Oct 2024 19 Nov 2024 000-56269
10-K Open Document | Data Open Filing 10-K 26 Sep 2024 30 Jun 2024 000-56269
4 Open Document Open Filing FORM 4 02 Jul 2024 16 May 2024
4 Open Document Open Filing FORM 4 02 Jul 2024 16 May 2024
4 Open Document Open Filing FORM 4 02 Jul 2024 28 Jun 2024
4 Open Document Open Filing FORM 4 02 Jul 2024 16 May 2024
4 Open Document Open Filing FORM 4 02 Jul 2024 16 May 2024
11-K Open Document Open Filing MARATHON BANCORP, INC. FORM 11-K DECEMBER 31, 2023 18 Jun 2024 31 Dec 2023 000-56269
4 Open Document Open Filing FORM 4 28 May 2024 23 May 2024
10-Q Open Document | Data Open Filing 10-Q 13 May 2024 31 Mar 2024 000-56269
4 Open Document Open Filing FORM 4 07 Mar 2024 06 Mar 2024
10-Q Open Document | Data Open Filing 10-Q 14 Feb 2024 31 Dec 2023 000-56269
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K DECEMBER 22, 2023 26 Dec 2023 22 Dec 2023 000-56269
4 Open Document Open Filing FORM 4 05 Dec 2023 30 Nov 2023
4 Open Document Open Filing FORM 4 05 Dec 2023 30 Nov 2023
4 Open Document Open Filing FORM 4 05 Dec 2023 30 Nov 2023
4 Open Document Open Filing FORM 4 05 Dec 2023 30 Nov 2023
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K NOVEMBER 21, 2023 21 Nov 2023 21 Nov 2023 000-56269
4 Open Document Open Filing FORM 4 17 Nov 2023 16 Nov 2023
10-Q Open Document | Data Open Filing 10-Q 14 Nov 2023 30 Sep 2023 000-56269
ARS Open Document Open Filing ARS 17 Oct 2023 30 Jun 2023 000-56269
DEF 14A Open Document Open Filing DEF 14A 17 Oct 2023 21 Nov 2023 000-56269
4 Open Document Open Filing FORM 4 04 Oct 2023 28 Jun 2023
4 Open Document Open Filing FORM 4 04 Oct 2023 28 Jun 2023
4 Open Document Open Filing FORM 4 04 Oct 2023 28 Jun 2023
4 Open Document Open Filing FORM 4 04 Oct 2023 28 Jun 2023
4 Open Document Open Filing FORM 4 04 Oct 2023 28 Jun 2023
10-K Open Document | Data Open Filing 10-K 20 Sep 2023 30 Jun 2023 000-56269
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K SEPTEMBER 19, 2023 20 Sep 2023 19 Sep 2023 000-56269
4/A Open Document Open Filing FORM 4/A 06 Jul 2023 16 May 2023
4/A Open Document Open Filing FORM 4/A 06 Jul 2023 16 May 2023
4/A Open Document Open Filing FORM 4/A 06 Jul 2023 16 May 2023
4/A Open Document Open Filing FORM 4/A 06 Jul 2023 16 May 2023
4/A Open Document Open Filing FORM 4/A 06 Jul 2023 16 May 2023
11-K Open Document Open Filing MARATHON BANCORP, INC. FORM 11-K DECEMBER 31, 2022 28 Jun 2023 31 Dec 2022 000-56269
4 Open Document Open Filing FORM 4 13 Jun 2023 07 Jun 2023
4 Open Document Open Filing FORM 4 13 Jun 2023 07 Jun 2023
4 Open Document Open Filing FORM 4 13 Jun 2023 07 Jun 2023
4 Open Document Open Filing FORM 4 13 Jun 2023 07 Jun 2023
4 Open Document Open Filing FORM 4 22 May 2023 18 May 2023
4 Open Document Open Filing FORM 4 22 May 2023 18 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
4 Open Document Open Filing FORM 4 18 May 2023 16 May 2023
10-Q Open Document | Data Open Filing 10-Q 12 May 2023 31 Mar 2023 000-56269
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K MAY 10, 2023 10 May 2023 10 May 2023 000-56269
10-Q Open Document | Data Open Filing 10-Q 14 Feb 2023 31 Dec 2022 000-56269
4 Open Document Open Filing FORM 4 06 Dec 2022 02 Dec 2022
4 Open Document Open Filing FORM 4 06 Dec 2022 02 Dec 2022
4 Open Document Open Filing FORM 4 06 Dec 2022 02 Dec 2022
4 Open Document Open Filing FORM 4 06 Dec 2022 02 Dec 2022
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K NOVEMBER 22, 2022 22 Nov 2022 22 Nov 2022 000-56269
8-K Open Document | Data Open Filing 16 Nov 2022 16 Nov 2022 000-56269
10-Q Open Document | Data Open Filing 10-Q 14 Nov 2022 30 Sep 2022 000-56269
DEF 14A Open Document Open Filing DEF 14A 17 Oct 2022 22 Nov 2022 000-56269
10-K Open Document | Data Open Filing 10-K 28 Sep 2022 30 Jun 2022 000-56269
4 Open Document Open Filing FORM 4 08 Jul 2022 28 Jun 2022
3 Open Document Open Filing FORM 3 08 Jul 2022 28 Jun 2022
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K JUNE 28, 2022 30 Jun 2022 28 Jun 2022 000-56269
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
4 Open Document Open Filing FORM 4 29 Jun 2022 28 Jun 2022
11-K Open Document Open Filing MARATHON BANCORP, INC. FORM 11-K DECEMBER 31, 2021 28 Jun 2022 31 Dec 2021 000-56269
S-8 Open Document Open Filing MARATHON BANCORP, INC. FORM S-8 REGISTRATION STATEMENT JUNE 2022 28 Jun 2022 333-265879
4 Open Document Open Filing FORM 4 01 Jun 2022 27 May 2022
4 Open Document Open Filing FORM 4 01 Jun 2022 27 May 2022
4 Open Document Open Filing FORM 4 01 Jun 2022 27 May 2022
4 Open Document Open Filing FORM 4 01 Jun 2022 27 May 2022
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K MAY 24, 2022 24 May 2022 24 May 2022 000-56269
4 Open Document Open Filing FORM 4 18 May 2022 17 May 2022
10-Q Open Document | Data Open Filing 10-Q 13 May 2022 31 Mar 2022 000-56269
DEF 14A Open Document Open Filing DEF 14A 18 Apr 2022 24 May 2022 000-56269
10-Q Open Document | Data Open Filing 10-Q 11 Feb 2022 31 Dec 2021 000-56269
4 Open Document Open Filing FORM 4 10 Dec 2021 08 Dec 2021
4 Open Document Open Filing FORM 4 10 Dec 2021 08 Dec 2021
4 Open Document Open Filing FORM 4 10 Dec 2021 08 Dec 2021
3/A Open Document Open Filing FORM 3/A 10 Dec 2021 14 Apr 2021
3/A Open Document Open Filing FORM 3/A 10 Dec 2021 14 Apr 2021
8-K Open Document | Data Open Filing MARATHON BANCORP, INC. FORM 8-K NOVEMBER 23, 2021 23 Nov 2021 23 Nov 2021 000-56269
10-Q Open Document | Data Open Filing 10-Q 12 Nov 2021 30 Sep 2021 000-56269
DEF 14A Open Document Open Filing DEF 14A 22 Oct 2021 23 Nov 2021 000-56269
10-K Open Document | Data Open Filing 10-K 28 Sep 2021 30 Jun 2021 000-56269
S-8 Open Document Open Filing MARATHON BANCORP, INC. FORM S-8 JUNE 11, 2021 11 Jun 2021 333-257044
4 Open Document Open Filing FORM 4 27 May 2021 26 May 2021
10-Q Open Document | Data Open Filing 10-Q 13 May 2021 31 Mar 2021 000-56269
8-K Open Document Open Filing MARATHON BANCORP, INC. FORM 8-K APRIL 14, 2021 19 Apr 2021 14 Apr 2021 000-56269
8-K Open Document Open Filing FORM 8-K 16 Apr 2021 16 Apr 2021 000-56269
8-K Open Document Open Filing FORM 8-K 15 Apr 2021 14 Apr 2021 000-56269
SC 13D Open Document Open Filing MARATHON BANCORP, INC. SCHEDULE 13D 15 Apr 2021 005-92485
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
3 Open Document Open Filing FORM 3 14 Apr 2021 14 Apr 2021
8-A12G Open Document Open Filing MARATHON BANCORP, INC. 14 Apr 2021 000-56269
8-K Open Document Open Filing FORM 8-K 09 Apr 2021 09 Apr 2021 333-251314
8-K Open Document Open Filing FORM 8-K 30 Mar 2021 30 Mar 2021 333-251314
10-Q Open Document | Data Open Filing 10-Q 26 Mar 2021 31 Dec 2020 333-251314
8-K Open Document Open Filing MARATHON BANCORP, INC. FORM 8-K MARCH 3, 2021 03 Mar 2021 03 Mar 2021 333-251314
424B3 Open Document Open Filing 424B3 22 Feb 2021 333-251314
424B3 Open Document Open Filing 424B3 22 Feb 2021 333-251314
8-K Open Document Open Filing FORM 8-K 17 Feb 2021 11 Feb 2021 333-251314
EFFECT Open Document Open Filing 11 Feb 2021 333-251314
CORRESP Open Document Open Filing 09 Feb 2021
CORRESP Open Document Open Filing 09 Feb 2021
S-1/A Open Document Open Filing S-1/A 29 Jan 2021 333-251314
CORRESP Open Document Open Filing 28 Jan 2021
UPLOAD Open Document Open Filing 07 Jan 2021
S-1 Open Document Open Filing FORM S-1 11 Dec 2020 333-251314