X0306 4 2019-04-01 0001098146 PATRIOT NATIONAL BANCORP INC PNBK 0001745588 Christiansen David W C/O PATRIOT NATIONAL BANCORP, INC. 900 BEDFORD STREET STAMFORD CT 06901 1 EVP, Chief Credit Officer Common Stock 2019-04-01 4 A 0 551 0 A 551 D On April 1, 2019, the Reporting Person was granted 551 shares of the Issuer's common stock which vest annually in equal installments over three years (183 shares, 184 shares and 184 shares respectively as of December 31, 2019, 2020 and 2021). /s/ David W. Christiansen 2019-04-03