Sharon Tomko

Talcott Resolution Law Group

1 American Row

Hartford, CT 06103

Tel. 1-860-791-0119

sharon.tomko@talcottresolution.com

May 5, 2026

Securities and Exchange Commission

100 F. Street, N.E.

Washington, D.C. 20549

Attn: Division of Investment Management

Re:    Union Security Insurance Company Variable Account D:

File No. 333-43799    EmPower

File No. 333-278722     EmPower

File No. 033-37577    Masters

Masters+

File No. 333-278723    Masters

Masters+

File No. 033-19421    Opportunity

Opportunity+

File No. 333-65233    Triple Crown

File No. 333-278724    Triple Crown

File No. 033-63935    TD Waterhouse

File No. 333-278721    TD Waterhouse

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, we hereby certify that:

1.    The Prospectus and Statement of Additional Information that would have been filed, on behalf of the Registrants, under paragraph (c) under this section did not differ from that contained in the Registrants’ most recent post-effective amendment; and

2.    The text of the Registrants’ most recent post-effective amendment was filed electronically with the Securities and Exchange Commission on April 22, 2026.

If you have any questions concerning this filing, please do not hesitate to contact me at (860) 791-0119.

Very truly yours,

/s/ Sharon Tomko

Sharon Tomko

Project Manager, Registered Product Filings