Denmark Biotechnology & Medical Research

Genmab A/S (GMAB)

Genmab A/S recorded one notable purchase by Chairman Ulf Gejhammar, who acquired 10,000 shares valued at 320,000 SEK on September 25, 2026. This transaction represents the sole insider activity within the past ninety days. The company stock has appreciated significantly, rising 79.7% recently, following a strong performance in the latest earnings report.
Ticker: GMAB Exchange: CPH
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Klimovsky Judith V. Officer Officer
Transaction date
Proposed sale
Price
236.73
Quantity 27,037
Value US$181,634
2.5
Ulf Gejhammar Chairman of the Board of Directors Director
Transaction date
Purchase
Price
480.05
Quantity 85,978
Value SEK4,534,859
2.9
Anthony Pagano Executive Vice President & Chief Financial Officer Officer
Transaction date
Sale
Price
130.52
Quantity 85,982
Value DKK3,029,783
2.1
Martin Schultz Member of the Board of Directors Executive Director
Transaction date
Sale
Price
1,960.35
Quantity 175
Value DKK343,061
Klimovsky Judith V Director Non-Executive Director
Transaction date
Proposed sale
Price
51.69
Quantity 1,300
Value US$67,200
Klimovsky Judith V Officer Officer
Transaction date
Proposed sale
Price
275.00
Quantity 1,200
Value US$330,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-11-10 2026-11-10 PrS Proposed sale
Klimovsky Judith V.

Officer

Officer
27,037
236.73
US$181,634 		27,037 236.73 US$181,634
2026-09-25 2026-09-25 B Purchase
2.5
Ulf Gejhammar

Chairman of the Board of Directors

Director
85,978
480.05
SEK4,534,859 		85,978 480.05 SEK4,534,859
2026-02-20 2026-02-19 S Sale
2.9
Anthony Pagano

Executive Vice President & Chief Financial Officer

Officer
85,982
130.52
DKK3,029,783 		85,982 130.52 DKK3,029,783
2025-11-19 2025-11-19 S Sale
2.1
Martin Schultz

Member of the Board of Directors

Executive Director
175
1,960.35
DKK343,061 		175 1,960.35 DKK343,061
2025-06-17 2025-06-17 PrS Proposed sale
Klimovsky Judith V

Director

Non-Executive Director
1,300
51.69
US$67,200 		1,300 51.69 US$67,200
2024-03-01 2024-03-01 PrS Proposed sale
Klimovsky Judith V

Officer

Officer
1,200
275.00
US$330,000 		1,200 275.00 US$330,000
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