Van Kampen Unit Trusts Taxable Income Series 400 has filed a definitive certification with the U.S. Securities and Exchange Commission (SEC) regarding its registration statement. This filing, dated October 28, 2026, confirms that the most recent post-effective amendment does not differ from what would have been filed under Rule 497(b) of the Securities Act.

This update is significant as it underscores the company's adherence to regulatory requirements, which is crucial for maintaining investor confidence and ensuring operational integrity. The filing indicates that the company is actively managing its compliance obligations and is committed to transparency in its operations.

Background

Van Kampen Unit Trusts Taxable Income Series 400 operates under the Central Index Key (CIK) number 0001524303. The company is categorized as an 'other' entity type and is associated with the investment trust sector. It is managed by Invesco Capital Markets, Inc., a prominent firm in the investment management industry.

What the Filing Says

The SEC 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 certification reflects the company's commitment to regulatory compliance.

Impact

This filing may affect current and potential investors in the Van Kampen Unit Trusts Taxable Income Series 400 by reinforcing their trust in the company's regulatory adherence. It also reflects on the broader investment trust industry, which relies heavily on compliance with SEC regulations to ensure investor protection and market stability.

What's Next

The filing does not say what happens next.