Mercer Bancorp, Inc. SEC filings MSBB

Mercer Bancorp, Inc. has 73 filings in SEC EDGAR's recent list, going back to Mar 10, 2023. Its latest annual report, Form ARS, was filed on Jan 13, 2026 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on May 12, 2026, covering the quarter ended Mar 31, 2026. The most recent current report (Form 8-K) was filed on Aug 3, 2026 (other events). The company's fiscal year ends on September 30.

Mercer Bancorp, Inc. SEC filings
Form Description Filed Period
S-8 POS Post effective amendment no. 1 to s-8 Aug 10, 2026 —
S-8 Employee stock plan registration Feb 26, 2025 —
POS AM Filing Sep 19, 2023 —
424B3 Prospectus Jun 20, 2023 —
424B3 Prospectus May 22, 2023 —
S-1/A Amended registration statement Apr 25, 2023 —
S-1 Registration statement Mar 10, 2023 —

Showing 7 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Savings Institutions, Not Federally Chartered (SIC 6036)
Listed as
MSBB (OTC)
Fiscal year ends
September 30
Headquarters
Celina, OH
SEC filer status
, Emerging growth company
SEC CIK
1967306

Other Savings Institutions, Not Federally Chartered companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.