X0609 4 2026-06-17 0002123613 Kardigan, Inc. KARD 0001349376 Walbert Timothy P false C/O KARDIGAN, INC. 506 CARNEGIE CENTER DRIVE, SUITE 201 PRINCETON NJ 08540 true false false false false Common Stock 2026-06-17 4 A false 20706 0 A 20706 D Stock Option (Right to Buy) 16 2026-06-17 4 A false 57573 0 A 2036-06-16 Common Stock 57573 57573 D Each share is represented by a restricted stock unit ("RSU"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement. The RSUs vest in full on June 17, 2028, subject to the Reporting Person's continuous service as of the applicable vesting date. The shares subject to this option shall vest and become exercisable in thirty-six (36) equal monthly installments commencing from June 17, 2026, subject to the Reporting Person's continued service on each such vesting date. /s/ John B. Moriarty, Jr., Attorney-in-Fact 2026-06-22