WCC – 8-K February 27, 2026 In SEC https://www.sec.gov/Archives/edgar/data/929008/000119312526083054/0001193125-26-083054-index.htm #WCC JOHN HANCOCK PREMIUM DIVIDEND FUND NOTICE TO SHAREHOLDERS – SOURCES OF DISTRIBUTION UNDER SECTION 19(a) BHR – 8-K/A [Amend]