Winchester Bancorp, Inc.
- WSBK · Nasdaq
- Savings Institutions, Not Federally Chartered
- Winchester, MA
- CIK 0002047235
Updated from SEC filings through
Top things to know
Executives
- John A. Carroll President and Chief Executive Officer 8-K, 2026-10-28
- Elda Heller Executive Vice President and Chief Financial Officer 10-K, 2026-09-16
- Paul V. Cheremka Senior Vice President, Senior Lender DEF 14A, 2026-09-28
What leadership is saying
“We continue to build on the momentum we established in our first year as a public company”
Earnings press release (8-K Ex. 99.1), filed October 28, 2026
Winchester Bancorp, Inc. is a U.S. public company in savings institutions, not federally chartered (SIC 6036), headquartered in Winchester, MA. It trades as WSBK on Nasdaq. Revenue was $50.4M in the fiscal year ending June 30, 2026, +18.0% from the year before. John A. Carroll is President and Chief Executive Officer.
Five-year financials
| Metric | FY2026 | FY2025 | FY2024 |
|---|---|---|---|
| Revenue | $50.4M 10-K, 2026-09-16 | $42.7M 10-K, 2026-09-16 | $34.9M 10-K, 2025-09-17 |
| Operating income | Not on file | Not on file | Not on file |
| SG&A | Not on file | Not on file | Not on file |
| Net income | $4.4M 10-K, 2026-09-16 | -$874K 10-K, 2026-09-16 | $786K 10-K, 2025-09-17 |
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 |
|---|---|---|
| John A. Carroll President & Chief Executive Officer at Winchester Savings Bank | President and Chief Executive Officer | 8-K, 2026-10-28 |
| Elda Heller EVP, Chief Operating Officer and Chief Financial Officer Winchester Savings Bank | Executive Vice President and Chief Financial Officer | 10-K, 2026-09-16 |
| Paul V. Cheremka | Named in proxy bio: Senior Vice President, Senior Lender | DEF 14A, 2026-09-28 |
| Deborah A Carson | Chairperson of the Board | 10-K, 2026-09-16 |
| Alan G. Macdonald | Director | 10-K, 2026-09-16 |
| Carole A. Pierce Connolly | Director | 10-K, 2026-09-16 |
| David P. Hood | Director | 10-K, 2026-09-16 |
| Edward Merritt | Director | 10-K, 2026-09-16 |
| Geoffrey A. Curtis | Director | 10-K, 2026-09-16 |
| John I Snow, III | Director | 10-K, 2026-09-16 |
| Neal J. Harte | Director | 10-K, 2026-09-16 |
| Paula M. Cotter | Director | 10-K, 2026-09-16 |
| Sara Perkins Salehpour | Director | 10-K, 2026-09-16 |
| Stephen H. Boodakian | Director | 10-K, 2026-09-16 |
| William P. Hood | Director | 10-K, 2026-09-16 |
What Winchester Bancorp, Inc. does
Winchester Bancorp, Inc. (the “Company”, "we", "our", "us") is a Maryland corporation that was incorporated in December 2024 to become the registered bank holding company of Winchester Savings Bank (the “Bank”) as part of the mutual holding company reorganization of the Bank, which was completed on April 30, 2025.
Shares and governance
| Shares outstanding | 9.3 million (as of November 4, 2026) | 10-Q, November 4, 2026 |
|---|---|---|
| Public float | $37.6M (as of December 31, 2025) | 10-K, September 16, 2026 |
| Reportable segments | 1 (period ending June 30, 2026) | 10-K, September 16, 2026 |
| Latest proxy statement | Meeting September 28, 2026 (filed September 28, 2026) | DEF 14A, September 28, 2026 |
| Auditor | Wolf & Company (Boston, Massachusetts) | 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 |
|---|---|---|---|---|---|
| May 26, 2026 | Edward J. Merritt Director | Buy | 915 | $12K | Form 4, May 27, 2026 |
| May 21, 2026 | John A. Carroll President & CEO | Buy | 50 | $637.5 | Form 4, May 22, 2026 |
| May 7, 2026 | John Ingalls Snow III Director | Buy | 1,725 | $22K | Form 4, May 8, 2026 |
| May 5, 2026 | John Ingalls Snow III Director | Buy | 6,110 | $79K | Form 4, May 6, 2026 |
| May 1, 2026 | Stephen Harry Boodakian Director | Buy | 2,500 | $32K | Form 4, May 5, 2026 |
Recent 8-K events
- 8-K filed 2026-11-05
- 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 2026-10-28
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-09-30
- Item 8.01 Other events
- 8-K filed 2026-07-30
- Item 2.02 Results of operations and financial condition (earnings release)
- Item 5.03 Amendments to articles or bylaws; change in fiscal year
- 8-K filed 2026-04-29
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-01-28
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-11-13
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2025-10-22
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-09-17
- Item 8.01 Other events
- 8-K filed 2025-07-30
- Item 2.02 Results of operations and financial condition (earnings release)
Frequently asked questions about Winchester Bancorp, Inc.
- What does Winchester Bancorp, Inc. do?
- In its own words, from Item 1 of its 10-K: "Winchester Bancorp, Inc. (the “Company”, "we", "our", "us") is a Maryland corporation that was incorporated in December 2024 to become the registered bank holding company of Winchester Savings Bank (the “Bank”) as part of the mutual holding company reorganization of the Bank, which was completed on April 30, 2025."
- What is Winchester Bancorp, Inc.'s revenue?
- $50.4M for the fiscal year ending June 30, 2026, from its 10-K filed September 16, 2026.
- Is Winchester Bancorp, Inc. profitable?
- Winchester Bancorp, Inc. reported net income of $4.4M for the fiscal year ending June 30, 2026.
- Who is the CEO of Winchester Bancorp, Inc.?
- John A. Carroll, President and Chief Executive Officer, as named in a 8-K filed October 28, 2026.
- Who is the CFO of Winchester Bancorp, Inc.?
- Elda Heller, Executive Vice President and Chief Financial Officer, as named in a 10-K filed September 16, 2026.
- Where is Winchester Bancorp, Inc. headquartered?
- Winchester, MA.
- What is Winchester Bancorp, Inc.'s stock ticker?
- WSBK on Nasdaq.
- What industry is Winchester Bancorp, Inc. in?
- Savings Institutions, Not Federally Chartered, SIC code 6036.
- What is Winchester Bancorp, Inc.'s website?
- winchestersavings.com. Investor relations: https://ir.winchestersavings.com/overview/default.aspx.
- When does Winchester Bancorp, Inc. report earnings next?
- February 11, 2027. Source: estimate_10q_cadence.
- Is Winchester Bancorp, Inc. a public company?
- Yes. Winchester Bancorp, Inc. files with the SEC under CIK 0002047235 and trades as WSBK.
- Who audits Winchester Bancorp, Inc.?
- Wolf & Company, Boston, Massachusetts, as named in its latest annual report (10-K).
- How many shares of Winchester Bancorp, Inc. are outstanding?
- 9.3 million shares as of November 4, 2026, from its 10-Q filed November 4, 2026.
- What is Winchester Bancorp, Inc.'s public float?
- $37.6M as of December 31, 2025, as reported on the cover of its 10-K filed September 16, 2026.
- How many business segments does Winchester Bancorp, Inc. report?
- 1 reportable segment for the period ending June 30, 2026, from its 10-K filed September 16, 2026.
- When is Winchester Bancorp, Inc.'s annual shareholder meeting?
- September 28, 2026, per its proxy statement (DEF 14A) filed September 28, 2026.
- Have Winchester Bancorp, Inc. insiders traded stock recently?
- Since May 1, 2026, officers and directors reported 0 open-market sales and 5 purchases worth about $145K on Forms 4 and 5. The most recent: Edward J. Merritt (Director) bought 915 shares on May 26, 2026.