Joseph F. Marvan, CFA announced his plan to retire and withdraw from the partnership
of Wellington Management Company LLP’s parent company, and effective June 30, 2026, he will no longer serve as a portfolio manager for Hartford Core Bond ETF. Accordingly, effective immediately, under the heading “Management” in the above referenced Summary Prospectus, the following footnote is added next to Mr. Marvan’s name in the portfolio manager table:
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Joseph F. Marvan, CFA announced his plan to retire and withdraw from the partnership
of Wellington Management’s parent company, and effective June 30, 2026, he will no longer serve as a portfolio manager for the Fund. Mr. Marvan’s portfolio
management responsibilities for the Fund will transition to Connor Fitzgerald, CFA in the months leading up to his departure.