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United States Biotechnology & Medical Research

ADC Therapeutics SA (ADCT)

Track

Over the last 90 days, ADC Therapeutics SA has seen significant insider selling, with a net value of -$2.7 million. The majority of transactions were sales, totaling over $19.6 million, with no reported insider buys during this period. This activity occurred against a backdrop of a substantial 90-day stock price decline of -73.1%.
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Ticker: ADCT Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Redmile Group, LLC
2 sales — total 16,932,746 USD
Sale 2 Apr 2026
Value US$4,261,715.48 | Price 108.83 | Shares 94,003
Sale 2 Apr 2026
Value US$2,897,369.09 | Price 394.53 | Shares 12,227
Sale 1 Apr 2026
Value US$353,625.62 | Price 271.76 | Shares 83,461
Sale 1 Apr 2026
Value US$739,163.72 | Price 69.08 | Shares 93,887
Sale 31 Mar 2026
Value US$706,903.06 | Price 3.75 | Shares 188,407
Sale 31 Mar 2026
Value US$736,251.21 | Price 3.75 | Shares 196,229
Buy 11 Dec 2024
Value US$190,500.00 | Price 3.81 | Shares 50,000
Buy 11 Dec 2024
Value US$114,000.00 | Price 2.28 | Shares 50,000
Buy 11 Dec 2024
Value US$190,500.00 | Price 3.81 | Shares 50,000
Buy 11 Dec 2024
Value US$114,000.00 | Price 2.28 | Shares 50,000
Sale 4 Dec 2024
Value US$52,478.64 | Price 2.07 | Shares 25,352
Buy 1 Jul 2024
Value US$1,124,000.00 | Price 2.81 | Shares 400,000
Buy 1 Jul 2024
Value US$1,124,000.00 | Price 2.81 | Shares 400,000
Proposed sale 17 Jun 2024
Value US$20,215.55 | Price 2.89 | Shares 6,995
Proposed sale 17 Jun 2024
Value US$20,215.55 | Price 2.89 | Shares 6,995
Proposed sale 17 Jun 2024
Value US$20,215.55 | Price 2.89 | Shares 6,995
Proposed sale 17 Jun 2024
Value US$20,215.55 | Price 2.89 | Shares 6,995
Sale 17 Jun 2024
Value US$20,215.55 | Price 2.89 | Shares 6,995
Sale 17 Jun 2024
Value US$20,215.55 | Price 2.89 | Shares 6,995
Sale 17 Jun 2024
Value US$4,152.93 | Price 2.89 | Shares 1,437
Sale 17 Jun 2024
Value US$20,215.55 | Price 2.89 | Shares 6,995
Sale 17 Jun 2024
Value US$3,447.77 | Price 2.89 | Shares 1,193
Sale 17 Jun 2024
Value US$4,152.93 | Price 2.89 | Shares 1,437
Sale 17 Jun 2024
Value US$20,215.55 | Price 2.89 | Shares 6,995
Sale 7 May 2024
Value US$133,194.88 | Price 4.48 | Shares 29,731
Proposed sale 7 May 2024
Value US$134,194.88 | Price 4.51 | Shares 29,731
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-04-02 2026-04-02 S Sale
3.2
Redmile Group, LLC
Large shareholder
94,003 +38.2%
108.83
US$4,261,715 		94,003 +38.2% 108.83 US$4,261,715
2026-04-02 2026-04-02 S Sale
3.2
Redmile Group, LLC
Large shareholder
12,227 -9.9%
394.53
US$2,897,369 		12,227 -9.9% 394.53 US$2,897,369
2026-04-02 2026-04-01 S Sale
3.2
Redmile Group, LLC
Large shareholder
83,461 -8.1%
271.76
US$353,626 		83,461 -8.1% 271.76 US$353,626
2026-04-02 2026-04-01 S Sale
3.2
Redmile Group, LLC
Large shareholder
169,265 -1.1%
3.80
US$643,038 		169,265 -1.1% 3.80 US$643,038
2026-04-02 2026-03-31 S Sale
3.2
Redmile Group, LLC
Large shareholder
188,407 -1.4%
3.75
US$706,903 		188,407 -1.4% 3.75 US$706,903
2026-04-02 2026-03-31 S Sale
3.2
Redmile Group, LLC
Large shareholder
196,229 -1.3%
3.75
US$736,251 		196,229 -1.3% 3.75 US$736,251
2024-12-13 2024-12-11 B Purchase
3.2
Redmile Group, LLC
Large shareholder
50,000 +0.4%
3.81
US$190,500 		50,000 +0.4% 3.81 US$190,500
2024-12-13 2024-12-11 B Purchase
3.2
Redmile Group, LLC
Large shareholder
50,000 +0.4%
2.28
US$114,000 		50,000 +0.4% 2.28 US$114,000
2024-12-13 2024-12-11 B Purchase
3.2
Redmile Group, LLC
Large shareholder
50,000 +0.3%
3.81
US$190,500 		50,000 +0.3% 3.81 US$190,500
2024-12-13 2024-12-11 B Purchase
3.2
Redmile Group, LLC
Large shareholder
50,000 +0.3%
2.28
US$114,000 		50,000 +0.3% 2.28 US$114,000
2024-12-06 2024-12-04 S Sale
3.2
Redmile Group, LLC
Large shareholder
25,352 -0.2%
2.07
US$52,479 		25,352 -0.2% 2.07 US$52,479
2024-07-03 2024-07-01 B Purchase
3.2
Redmile Group, LLC
Large shareholder
400,000 +3.2%
2.81
US$1,124,000 		400,000 +3.2% 2.81 US$1,124,000
2024-07-03 2024-07-01 B Purchase
3.2
Redmile Group, LLC
Large shareholder
400,000 +2.6%
2.81
US$1,124,000 		400,000 +2.6% 2.81 US$1,124,000
2024-06-18 2024-06-17 PrS Proposed sale
0.8
Ron Squarer

Director

Non-Executive Director
6,995
2.89
US$20,216 		6,995 2.89 US$20,216
2024-06-18 2024-06-17 PrS Proposed sale
0.8
Robert Azelby

Director

Non-Executive Director
6,995
2.89
US$20,216 		6,995 2.89 US$20,216
2024-06-18 2024-06-17 PrS Proposed sale
0.8
Victor Sandor

Director

Non-Executive Director
6,995
2.89
US$20,216 		6,995 2.89 US$20,216
2024-06-18 2024-06-17 PrS Proposed sale
0.8
Jean Bizzari

Director

Non-Executive Director
6,995
2.89
US$20,216 		6,995 2.89 US$20,216
2024-06-18 2024-06-17 S Sale
0.8
Squarer Ron
Non-Executive Director
6,995 -8.0%
2.89
US$20,216 		6,995 -8.0% 2.89 US$20,216
2024-06-18 2024-06-17 S Sale
0.8
BIZZARI JEAN-PIERRE
Non-Executive Director
6,995 -8.1%
2.89
US$20,216 		6,995 -8.1% 2.89 US$20,216
2024-06-18 2024-06-17 S Sale
0.8
Pfisterer Thomas
Non-Executive Director
1,437 -0.7%
2.89
US$4,153 		1,437 -0.7% 2.89 US$4,153
2024-06-18 2024-06-17 S Sale
0.8
Sandor Victor
Non-Executive Director
6,995 -8.0%
2.89
US$20,216 		6,995 -8.0% 2.89 US$20,216
2024-06-18 2024-06-17 S Sale
0.8
Hug Peter
Non-Executive Director
1,193 -0.6%
2.89
US$3,448 		1,193 -0.6% 2.89 US$3,448
2024-06-18 2024-06-17 S Sale
2.5
Monges Viviane
Non-Executive Director
1,437 -1.3%
2.89
US$4,153 		1,437 -1.3% 2.89 US$4,153
2024-06-18 2024-06-17 S Sale
0.8
Azelby Robert
Non-Executive Director
6,995 -11.7%
2.89
US$20,216 		6,995 -11.7% 2.89 US$20,216
2024-05-09 2024-05-07 S Sale
3.3
MALLIK AMEET

Chief Executive Officer

Executive Director
29,731 -2.5%
4.48
US$133,195 		29,731 -2.5% 4.48 US$133,195
2024-05-07 2024-05-07 PrS Proposed sale
3.3
Ameet Mallik

Officer and Director

Executive Director
29,731
4.51
US$134,195 		29,731 4.51 US$134,195
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