X0306 4 2020-10-16 0 0001705843 Calyxt, Inc. CLXT 0001627281 Cellectis S.A. 8, RUE DE LA CROIX JARRY 75013 PARIS I0 FRANCE 0 0 1 0 Common Stock 2020-10-16 4 J 0 1250000 4.00 A 23963175 D Purchased directly from Calyxt, Inc. in Calyxt, Inc.'s direct offering pursuant to a registration statement on Form S-3 (333-233231). The shares of common stock were purchased at the offering price. /s/ Andre Choulika 2020-10-20