🕵️ ADC Therapeutics SA ($ADCT)
SEC insider & ownership activity, last 12 months · CIK 1771910 · every row links its SEC filing
Over the last 12 months insiders sold $19.6M against $30.0M of open-market buying. Redmile Group, LLC bought $30.0M in discretionary trades (Oct–Apr). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $30.0M (2 lots) · 1 seller, $19.6M (6 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Redmile Group, LLC | 2 | $30.0M | 6 | $19.6M | Apr 2, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Redmile Group, LLC | 9.9% | 13G | Apr 24, 2026 | filing ↗ | |
| Jeremy C. Green | 9.9% | 13G | Apr 24, 2026 | filing ↗ | |
| Dr. Hans-Peter Wild | 9.6% | 13G | May 19, 2025 | filing ↗ | |
| TCG Crossover GP II, LLC | 9.2% | 13G | Feb 17, 2026 | filing ↗ | |
| TCG Crossover Fund II, L.P. | 9.2% | 13G | Feb 17, 2026 | filing ↗ | |
| Chen Yu | 9.2% | 13G | Feb 17, 2026 | filing ↗ | |
| Hpwh Th Ag | 8.5% | 13G | May 19, 2025 | filing ↗ | |
| Prosight Management, LP | 6.8% | 13G | Feb 13, 2026 | filing ↗ | |
| Prosight Partners, LLC | 6.8% | 13G | Feb 13, 2026 | filing ↗ | |
| W. Lawrence Hawkins | 6.8% | 13G | Feb 13, 2026 | filing ↗ | |
| Redco II Offshore SPV LLC | 6.1% | 13G | Apr 24, 2026 | filing ↗ | |
| Blackrock, Inc. | 5.4% | 13G | Jul 27, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jun 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 24, 2026 | filing ↗ |
| Other events (8.01) | Jun 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 24, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 3, 2026 | filing ↗ |
| Other events (8.01) | Jun 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 3, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 1, 2026 | filing ↗ |
| Earnings (2.02) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Earnings (2.02) | Mar 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 10, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 18, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Feb 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Earnings (2.02) | Jan 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 8, 2026 | filing ↗ |
| Other events (8.01) | Dec 3, 2025 | filing ↗ |
| Earnings (2.02) | Nov 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 10, 2025 | filing ↗ |
| Material agreement (1.01) | Oct 12, 2025 | filing ↗ |
| Earnings (2.02) | Oct 12, 2025 | filing ↗ |
| Unregistered equity sale (3.02) | Oct 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 12, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 30, 2025 | filing ↗ |
| Earnings (2.02) | Aug 12, 2025 | filing ↗ |