ADC Therapeutics's top three insider shareholders as of March 23, 2026 are Group, Llc Redmile (TenPercentOwner, 28.81Mn shares), Hans Peter Wild (TenPercentOwner, 9.79Mn shares), Ameet Mallik (Chief Executive Officer, 1.45Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Group, Llc Redmile | 13,145,712 | 15,666,731 | 13 Dec, 2024 | |
| Hans Peter Wild | 9,788,944 | 0 | 15 May, 2025 | |
| Ameet Mallik | Chief Executive Officer | 1,446,769 | 0 | 18 Feb, 2026 |
| Jose Carmona | Chief Financial Officer | 734,376 | 0 | 18 Feb, 2026 |
| Mohamed Zaki | Chief Medical Officer | 682,417 | 0 | 18 Feb, 2026 |
| Peter J Graham | Chief Legal Officer | 620,540 | 0 | 18 Feb, 2026 |
| Peter Hug | 220,500 | 0 | 17 Jun, 2025 | |
| Thomas Pfisterer | 173,899 | 0 | 15 May, 2025 | |
| Viviane Monges | 144,043 | 0 | 17 Jun, 2025 | |
| Lisa Michelle Kallebo | Chief Accounting Officer | 128,224 | 0 | 18 Feb, 2026 |
| Victor Sandor | 108,286 | 0 | 17 Jun, 2025 | |
| Jean-Pierre Bizzari | 106,902 | 0 | 17 Jun, 2025 | |
| Ron Squarer | 93,627 | 0 | 17 Jun, 2025 | |
| Robert Azelby | 80,405 | 0 | 17 Jun, 2025 | |
| Timothy Coughlin | 40,000 | 0 | 05 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Feb, 2026 | Jose Carmona | Common Shares | A | 271,600 | $3.99 | 760,256 | D | A |
| 13 Feb, 2026 | Peter J Graham | Common Shares | A | 294,800 | $3.99 | 653,834 | D | A |
| 13 Feb, 2026 | Lisa Michelle Kallebo | Common Shares | A | 62,900 | $3.99 | 133,657 | D | A |
| 13 Feb, 2026 | Mohamed Zaki | Common Shares | A | 285,200 | $3.99 | 707,020 | D | A |
| 13 Feb, 2026 | Ameet Mallik | Common Shares | A | 900,000 | $3.99 | 1,550,000 | D | A |
| 13 Feb, 2026 | Jose Carmona | Common Shares | D | 25,880 | $3.99 | 734,376 | D | F |
| 13 Feb, 2026 | Mohamed Zaki | Common Shares | D | 24,603 | $3.99 | 682,417 | D | F |
| 13 Feb, 2026 | Ameet Mallik | Common Shares | D | 103,231 | $3.99 | 1,446,769 | D | F |
| 13 Feb, 2026 | Peter J Graham | Common Shares | D | 33,294 | $3.99 | 620,540 | D | F |
| 13 Feb, 2026 | Lisa Michelle Kallebo | Common Shares | D | 5,433 | $3.99 | 128,224 | D | F |
| 06 Dec, 2025 | Ameet Mallik | Common Shares | D | 233,146 | $3.29 | 1,319,101 | D | F |
| 06 Dec, 2025 | Jose Carmona | Common Shares | D | 53,236 | $3.29 | 488,656 | D | F |
| 06 Dec, 2025 | Lisa Michelle Kallebo | Common Shares | D | 7,140 | $3.29 | 70,757 | D | F |
| 06 Dec, 2025 | Peter J Graham | Common Shares | D | 49,508 | $3.29 | 359,034 | D | F |
| 06 Dec, 2025 | Mohamed Zaki | Common Shares | D | 41,068 | $3.29 | 421,820 | D | F |
| 27 Oct, 2025 | Group, Llc Redmile | Pre-Funded Warrants | A | 3,846,153 | $3.90 | 3,846,153 | I | P |
| 27 Oct, 2025 | Group, Llc Redmile | Pre-Funded Warrants | A | 3,846,153 | $3.90 | 3,846,153 | D | P |
| 13 Jun, 2025 | Peter Hug | Common Shares | D | 2,144 | $3.58 | 220,500 | D | F |
| 13 Jun, 2025 | Robert Azelby | Common Shares | D | 12,600 | $3.58 | 80,405 | D | F |
| 13 Jun, 2025 | Jean-Pierre Bizzari | Common Shares | D | 12,600 | $3.58 | 106,902 | D | F |