Putnam Sustainable Leaders Fund has submitted a 497J form to the Securities and Exchange Commission (SEC), which certifies that the forms of prospectus and statement of additional information used do not differ from those contained in its recent Post-Effective Amendment No. 55. This filing, dated November 4, 2026, is significant as it confirms the fund's operational stability and regulatory compliance.

The Putnam Sustainable Leaders Fund operates under the investment entity type, focusing on sustainable investment strategies. The fund is registered under the SEC file number 033-35576 and is incorporated in Massachusetts. Its business address is located at 100 Federal Street, Boston, MA 02110.

According to the filing, "the undersigned has been authorized by the Registrant to submit this filing in lieu of a filing under Rule 497(c) under the Securities Act." This indicates that the fund is maintaining its current prospectus without any changes, which can provide reassurance to investors regarding the fund's ongoing management and operational practices.

The impact of this filing may affect current and potential investors in the Putnam Sustainable Leaders Fund, as it reflects the fund's commitment to transparency and regulatory adherence. By confirming that there are no changes to the prospectus, the fund may enhance investor confidence in its management practices.

Looking ahead, the filing does not specify what the next steps will be for the Putnam Sustainable Leaders Fund, leaving the timing and nature of any future updates open-ended.