Invesco Unit Trusts, Municipal Series 1339, has filed a certification with the U.S. Securities and Exchange Commission (SEC) confirming that its most recent post-effective amendment to its registration statement does not differ from what would have been filed under Rule 497(b) of the Securities Act. This filing, dated October 28, 2026, is important for ensuring the company remains compliant with regulatory standards.

The Invesco Unit Trusts, Municipal Series 1339 is a part of Invesco, a prominent player in the investment management industry. The company is based in Downers Grove, Illinois, and operates under the SEC file number 333-227983. This filing is part of their ongoing efforts to maintain transparency and adhere to federal regulations.

According to the filing, Tara Baker, Vice President of Business Operations and Quality Assurance at Invesco Capital Markets, Inc., signed the certification. The letter states, "this letter serves to certify that the most recent post-effective amendment to the registration statement on Form S-6 for the above captioned Trust does not differ from that which would have been filed pursuant to Rule 497(b) of the Securities Act." This confirms that the registration statement remains unchanged, which is a critical aspect for regulatory compliance.

This update may affect investors and stakeholders in the municipal investment sector, as it demonstrates Invesco's commitment to compliance and regulatory standards. Other firms in the municipal investment space will need to ensure they are also adhering to similar regulations to avoid potential issues.

The filing does not say what happens next.