Filed pursuant to Rule 497(e)
File Nos. 033-12213; 811-05037
Boston Common Funds
Boston Common ESG Impact U.S. Equity Fund
TICKER: BCAMX
Supplement dated July 22, 2025 to
the Statutory Prospectus dated January 31, 2025
Effective July 1, 2025 (the “Effective Date”), Matt Meade serves as portfolio manager of the Boston Common ESG Impact U.S. Equity Fund (the “Fund”). Additionally, as of the Effective Date, Margien Tolson, who has retired, will no longer serve as portfolio manager of the Fund. Accordingly, as of the Effective Date, all references to Margien Tolson as a Portfolio Manager in the Fund’s Statutory prospectus are deleted in their entirety.
The section titled “Summary Section - Impact U.S. Equity Fund - Portfolio Managers” on page 18 of the prospectus is deleted and replaced with the following:
| Name | Title | Managed the Fund Since | ||||||
| Geeta B. Aiyer, CFA | Chief ESG Strategist | April 2012 | ||||||
| Praveen Abichandani, CFA | Portfolio Manager | April 2012 | ||||||
| Steven Heim | Director, ESG Research | April 2012 | ||||||
| Kim Ryan | Portfolio Manager | August 2024 | ||||||
| Matt Meade | Portfolio Manager | July 2025 | ||||||
The section titled “Management of the Funds - Portfolio Managers” on page 50 of the prospectus is amended to include the following information.
Matt Meade, CFA
Portfolio Manager
Matt has been with Boston Commons since 2012, when he served as a Client Relationship Manager for the firm. In 2017, he served as a Global Equity Analyst before joining the Portfolio Management team in 2025. He is jointly responsible for the day-to-day management of the Impact U.S. Equity Fund.
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Please retain this supplement with your Statutory Prospectus.
Filed pursuant to Rule 497(e)
File Nos. 033-12213; 811-05037
Boston Common Funds
Boston Common ESG Impact U.S. Equity Fund
TICKER: BCAMX
Supplement dated July 22, 2025 to
the Statement of Additional Information (“SAI”) dated January 31, 2025
Effective July 1, 2025, (the “Effective Date”) Matt Meade serves as portfolio manager of the Boston Common ESG Impact U.S. Equity Fund (the “Fund”). Additionally, as of the Effective Date, Margien Tolson will no longer serve as portfolio manager of the Fund. Accordingly, as of the Effective Date, all references to Margien Tolson as a Portfolio Manager in the Fund’s SAI are deleted in their entirety.
The following information is added to the table in the section titled “Portfolio Managers” on beginning on page 28 of the Fund’s SAI.
The following provides information regarding other accounts managed by the portfolio manager as of June 30, 2025. Asset amounts are approximate and have been rounded.
| Category of Account | Total Number of Accounts Managed | Total Assets in Accounts Managed | Number of Accounts for which Advisory Fee is Based on Performance | Assets in Accounts for which Advisory Fee is Based on Performance | ||||||||||
| Matt Meade | ||||||||||||||
| Other Registered Investment Companies | 0 | $0 | 0 | $0 | ||||||||||
| Other Pooled Investment Vehicles | 0 | $0 | 0 | $0 | ||||||||||
| Other Accounts | 198 | $700,749,316 | 0 | $0 | ||||||||||
Filed pursuant to Rule 497(e)
File Nos. 033-12213; 811-05037
The following information is added to the table in the section titled “Portfolio Managers’ Ownership Interest in the Funds” on page 30 of the SAI.
The following indicates the dollar range of beneficial ownership of the Funds’ shares by the portfolio manager as of June 30, 2025 using the following ranges: None; $1-$10,000; $10,001-$50,000; $50,001-$100,000; $100,001-$500,000; $500,001-$1,000,000; and over $1,000,000:
| Name of Portfolio Manager | Dollar Range of Equity Securities in the International Fund Beneficially Owned | Dollar Range of Equity Securities in the U.S. Equity Fund Beneficially Owned | Dollar Range of Equity Securities in the Emerging Markets Fund Beneficially Owned | Dollar Range of Equity Securities in the U.S. Value Fund Beneficially Owned | ||||||||||
| Matt Meade | $1-$10,000 | $1-$10,000 | None | None | ||||||||||
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Please retain this supplement with your SAI.