Security Midwest Bancorp, Inc.
- SBMW · OTC
- Savings Institutions, Not Federally Chartered
- Sprinfield, IL
- 54 employees
- CIK 0002036060
Updated from SEC filings through
Top things to know
Executives
- Stephan P. Antonacci President and Chief Executive Officer 8-K, 2026-10-30
- Brenda Minder Executive Vice President and Chief Financial Officer 10-Q, 2026-08-14
Security Midwest Bancorp, Inc. is a U.S. public company in savings institutions, not federally chartered (SIC 6036), headquartered in Sprinfield, IL. It trades as SBMW on OTC. Revenue was $10.3M in the fiscal year ending December 31, 2025, +2.8% from the year before. It reported about 54 employees. Stephan P. Antonacci is President and Chief Executive Officer.
Five-year financials
| Metric | FY2025 | FY2024 |
|---|---|---|
| Revenue | $10.3M 10-K, 2026-04-07 | $10.1M 10-K, 2026-04-07 |
| Operating income | Not on file | Not on file |
| SG&A | Not on file | Not on file |
| Net income | $299K 10-K, 2026-04-07 | $683K 10-K, 2026-04-07 |
Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.
Leadership and board
| Name | Title | Source |
|---|---|---|
| Stephan P. Antonacci President and Chief Executive Officer at Security Bank | President and Chief Executive Officer | 8-K, 2026-10-30 |
| Brenda Minder Chief Financial Officer at Security Bank, Springfield, IL | Executive Vice President and Chief Financial Officer | 10-Q, 2026-08-14 |
What Security Midwest Bancorp, Inc. does
Security Midwest Bancorp, Inc. (“Security Midwest Bancorp” or the “Company” or “we”) was incorporated in September 2024 in the State of Maryland, and became the holding company for Security Bank (the “Bank”) upon the conversion of the Bank from the mutual form of organization to the stock form of organization (the “Conversion”).00 per share.
Item 1. Business, 10-K for the year ending December 31, 2025
Shares and governance
| Shares outstanding | 889,781 (as of August 14, 2026) | 10-Q, August 14, 2026 |
|---|---|---|
| Public float | $8.4M (as of August 1, 2025) | 10-K/A, April 30, 2026 |
| Reportable segments | 1 (period ending June 30, 2026) | 10-Q, August 14, 2026 |
| Latest proxy statement | Meeting October 19, 2026 (filed September 15, 2026) | DEF 14A, September 15, 2026 |
| Auditor | Wipfli LLP (Eau Claire, Wisconsin) | Latest 10-K |
Insider trades
Open-market buys and sales by officers and directors, from Forms 4 and 5. One row per filing.
| Date | Insider | Trade | Shares | Value | Source |
|---|---|---|---|---|---|
| November 6, 2026 | Erin M. Stone Director | Buy | 500 | $9K | Form 4, November 9, 2026 |
Recent 8-K events
- 8-K filed 2026-10-30
- Item 5.02 Departure or appointment of directors or officers; compensation
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2025-07-29
- Item 8.01 Other events
- 8-K filed 2025-07-10
- Item 8.01 Other events
- 8-K filed 2025-06-24
- Item 8.01 Other events
- 8-K filed 2025-05-19
- Item 1.01 Entry into a material definitive agreement
Frequently asked questions about Security Midwest Bancorp, Inc.
- What does Security Midwest Bancorp, Inc. do?
- In its own words, from Item 1 of its 10-K: "Security Midwest Bancorp, Inc. (“Security Midwest Bancorp” or the “Company” or “we”) was incorporated in September 2024 in the State of Maryland, and became the holding company for Security Bank (the “Bank”) upon the conversion of the Bank from the mutual form of organization to the stock form of organization (the “Conversion”).00 per share."
- What is Security Midwest Bancorp, Inc.'s revenue?
- $10.3M for the fiscal year ending December 31, 2025, from its 10-K filed April 7, 2026.
- Is Security Midwest Bancorp, Inc. profitable?
- Security Midwest Bancorp, Inc. reported net income of $299K for the fiscal year ending December 31, 2025.
- How many employees does Security Midwest Bancorp, Inc. have?
- About 54 as of December 31, 2025, as stated in its annual report.
- Who is the CEO of Security Midwest Bancorp, Inc.?
- Stephan P. Antonacci, President and Chief Executive Officer, as named in a 8-K filed October 30, 2026.
- Who is the CFO of Security Midwest Bancorp, Inc.?
- Brenda Minder, Executive Vice President and Chief Financial Officer, as named in a 10-Q filed August 14, 2026.
- Where is Security Midwest Bancorp, Inc. headquartered?
- Sprinfield, IL.
- What is Security Midwest Bancorp, Inc.'s stock ticker?
- SBMW on OTC.
- What industry is Security Midwest Bancorp, Inc. in?
- Savings Institutions, Not Federally Chartered, SIC code 6036.
- What is Security Midwest Bancorp, Inc.'s website?
- securitybk.com. Investor relations: https://www.securitybk.com/investor-relations/.
- When does Security Midwest Bancorp, Inc. report earnings next?
- November 13, 2026. Source: estimate_10q_cadence.
- Is Security Midwest Bancorp, Inc. a public company?
- Yes. Security Midwest Bancorp, Inc. files with the SEC under CIK 0002036060 and trades as SBMW.
- Who audits Security Midwest Bancorp, Inc.?
- Wipfli LLP, Eau Claire, Wisconsin, as named in its latest annual report (10-K).
- How many shares of Security Midwest Bancorp, Inc. are outstanding?
- 889,781 shares as of August 14, 2026, from its 10-Q filed August 14, 2026.
- What is Security Midwest Bancorp, Inc.'s public float?
- $8.4M as of August 1, 2025, as reported on the cover of its 10-K/A filed April 30, 2026.
- How many business segments does Security Midwest Bancorp, Inc. report?
- 1 reportable segment for the period ending June 30, 2026, from its 10-Q filed August 14, 2026.
- When is Security Midwest Bancorp, Inc.'s annual shareholder meeting?
- October 19, 2026, per its proxy statement (DEF 14A) filed September 15, 2026.
- Have Security Midwest Bancorp, Inc. insiders traded stock recently?
- Since November 6, 2026, officers and directors reported 0 open-market sales and 1 purchase worth about $9K on Forms 4 and 5. The most recent: Erin M. Stone (Director) bought 500 shares on November 6, 2026.