Van Kampen Unit Trusts Taxable Income Series 408 has filed a definitive update with the U.S. Securities and Exchange Commission (SEC), confirming compliance with regulatory requirements. This filing, dated October 28, 2026, certifies that the most recent post-effective amendment to its registration statement does not differ from prior submissions. This matter is significant as it underscores the company's commitment to transparency and adherence to SEC regulations.

Van Kampen Unit Trusts Taxable Income Series 408 is a unit trust that operates under the SEC's regulations. The trust is part of Invesco Capital Markets, Inc. and is designed to provide investors with income through taxable investments. The trust's compliance with SEC regulations is crucial for maintaining investor confidence and operational integrity.

The filing states, "In accordance with the provisions of Rule 497(j) under the Securities Act of 1933, 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 statement highlights the trust's commitment to maintaining accurate and consistent disclosures.

This update may affect current and potential investors in the trust, as it reassures them of the trust's adherence to regulatory standards. It also reflects the broader industry's need for transparency and compliance, which is essential for sustaining investor trust and confidence.

The filing does not say what happens next.