TRMK - Trustmark goes ex-dividend tomorrow August, 30 2022 12:13 PM Trustmark Corporation Trustmark ( NASDAQ: TRMK ) had declared $0.23/share quarterly dividend , in line with previous. Payable Sept. 15; for shareholders of record Sept. 1; ex-div Aug. 31. See TRMK Dividend Scorecard, Yield Chart, & Dividend Growth. For further details see: Trustmark goes ex-dividend tomorrow