X0609 4 2026-06-17 0002123613 Kardigan, Inc. KARD 0001413822 GIANAKAKOS ANASTASIOS false C/O KARDIGAN, INC. 506 CARNEGIE CENTER DRIVE, SUITE 201 PRINCETON NJ 08540 true true false false President & CEO false Common Stock 2026-06-17 4 C false 28702 A 5665090 I By AEG 2021 Trust Common Stock 2026-06-17 4 C false 41001 A 2422520 I By KCM 2023 Trust Common Stock 2026-06-17 4 C false 498692 A 498692 I By spouse Common Stock 49821 D Common Stock 4778 I By Katina Mandas 2024 Qualified Annuity Trust dated April 29, 2024 Common Stock 1165732 I By MJA Legacy Trust dated May 6, 2020 Series A Preferred Stock 2026-06-17 4 C false 18020 D Common Stock 28702 0 I By AEG 2021 Trust Series A Preferred Stock 2026-06-17 4 C false 25742 D Common Stock 41001 0 I By KCM 2023 Trust Series B Preferred Stock 2026-06-17 4 C false 313092 D Common Stock 498692 0 I By spouse Each share of Series A Preferred Stock and Series B Preferred Stock (together the "Preferred Stock") was convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date. Represents shares held by AEG 2021 Trust. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that he is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose. Represents shares held by KCM 2023 Trust. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that he is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that he is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose. Represents shares held by Katina Mandas 2024 Qualified Annuity Trust dated April 29, 2024. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that he is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose. Represents shares held by MJA Legacy Trust dated May 6, 2020. The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Exchange Act, except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that he is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose. /s/ John B. Moriarty, Jr., Attorney-in-Fact 2026-06-22