ATH – 8-K April 1, 2026 In SEC https://www.sec.gov/Archives/edgar/data/1527469/000152746926000016/0001527469-26-000016-index.htm #ATH Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution OPI – 8-K