Netherlands Biotechnology & Medical Research

argenx SE (ARGX)

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Track

Argenx SE experienced significant insider trading activity over the past ninety days, characterized by a net negative value exceeding 64 million euros. Twelve transactions occurred, with selling pressure outweighing purchases. Despite positive earnings report momentum, key personnel offloaded shares, reflecting a net reduction in holdings among eight individuals during this period of moderate stock price volatility.
Ticker: ARGX Exchange: BRU
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for argenx SE. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
1.4
Borgions F. Chief Technology Innovation
Transaction date
Sale
Price
392.60
Quantity 93,701
Value €2,361,803
1.6
Wilk A. Global Head of Quality
Transaction date
Sale
Price
90.09
Quantity 5,962
Value €3,977,065
2.9
Lemmen A. Corporate Development & Strategy
Transaction date
Sale
Price
372.94
Quantity 97,750
Value €3,719,968
1.4
Borgions F. Chief Technology Innovation Officer
Transaction date
Sale
Price
862.12
Quantity 1,500
Value €1,293,180
1.4
Borgions F. Chief Technology Innovation Officer
Transaction date
Sale
Price
881.35
Quantity 47
Value €41,423
2.6
Moorthy H. General Counsel
Transaction date
Sale
Price
892.73
Quantity 1,281
Value €1,143,587
2.9
P.M. Klein Director or Supervisory Board Member
Transaction date
Sale
Price
908.67
Quantity 5,000
Value €4,543,350
2.9
P.M. Klein Director or Supervisory Board Member
Transaction date
Purchase
Price
247.60
Quantity 5,000
Value €1,238,000
DelGiacco E. Corporate Affairs
Transaction date
Sale
Price
894.79
Quantity 501
Value €448,290
2.7
Gubitz K. CFO
Transaction date
Sale
Price
852.86
Quantity 16,000
Value €13,645,760
3.3
A.A. Rosenberg Director or Supervisory Board Member
Transaction date
Sale
Price
783.71
Quantity 4,600
Value €3,605,066
3.3
A.A. Rosenberg Director or Supervisory Board Member
Transaction date
Purchase
Price
86.32
Quantity 4,600
Value €397,072
1.6
Truyen L. Chief Medical Officer
Transaction date
Sale
Price
720.03
Quantity 1,515
Value €1,090,845
1.4
Borgions F. Chief Technology Innovation Officer
Transaction date
Sale
Price
697.00
Quantity 190
Value €132,430
2.2
Massey K. Chief Operating Officer
Transaction date
Sale
Price
700.34
Quantity 5,000
Value €3,501,700
2.6
Moorthy H. General Counsel
Transaction date
Sale
Price
700.00
Quantity 4,858
Value €3,400,600
3.7
J.M. Daly Director or Supervisory Board Member
Transaction date
Sale
Price
695.71
Quantity 925
Value €643,532
3.7
J.M. Daly Director or Supervisory Board Member
Transaction date
Sale
Price
696.07
Quantity 2,700
Value €1,879,389
3.7
J.M. Daly Director or Supervisory Board Member
Transaction date
Purchase
Price
359.60
Quantity 2,700
Value €970,920
2.6
P.K.M. Verhaeghe Director or Supervisory Board Member
Transaction date
Sale
Price
774.00
Quantity 2,000
Value €1,548,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-22 2026-09-18 S Sale
1.4
Borgions F.

Chief Technology Innovation
93,701
392.60
€2,361,803 		93,701 392.60 €2,361,803
2026-09-09 2026-09-07 S Sale
1.6
Wilk A.

Global Head of Quality
5,962
90.09
€3,977,065 		5,962 90.09 €3,977,065
2026-09-09 2026-09-07 S Sale
2.9
Lemmen A.

Corporate Development & Strategy
97,750
372.94
€3,719,968 		97,750 372.94 €3,719,968
2026-09-09 2026-09-07 S Sale
1.4
Borgions F.

Chief Technology Innovation Officer
1,500
862.12
€1,293,180 		1,500 862.12 €1,293,180
2026-09-07 2026-09-07 S Sale
1.4
Borgions F.

Chief Technology Innovation Officer
47
881.35
€41,423 		47 881.35 €41,423
2026-09-08 2026-09-04 S Sale
2.6
Moorthy H.

General Counsel
1,281
892.73
€1,143,587 		1,281 892.73 €1,143,587
2026-08-31 2026-08-28 S Sale
2.9
P.M. Klein
Director or Supervisory Board Member
5,000
908.67
€4,543,350 		5,000 908.67 €4,543,350
2026-08-31 2026-08-28 B Purchase
2.9
P.M. Klein
Director or Supervisory Board Member
5,000
247.60
€1,238,000 		5,000 247.60 €1,238,000
2026-08-28 2026-08-26 S Sale
DelGiacco E.

Corporate Affairs
501
894.79
€448,290 		501 894.79 €448,290
2026-08-21 2026-08-18 S Sale
2.7
Gubitz K.

CFO
16,000
852.86
€13,645,760 		16,000 852.86 €13,645,760
2026-07-29 2026-07-28 S Sale
3.3
A.A. Rosenberg
Director or Supervisory Board Member
4,600
783.71
€3,605,066 		4,600 783.71 €3,605,066
2026-07-29 2026-07-28 B Purchase
3.3
A.A. Rosenberg
Director or Supervisory Board Member
4,600
86.32
€397,072 		4,600 86.32 €397,072
2026-05-30 2026-05-28 S Sale
1.6
Truyen L.

Chief Medical Officer
1,515
720.03
€1,090,845 		1,515 720.03 €1,090,845
2026-05-14 2026-05-11 S Sale
1.4
Borgions F.

Chief Technology Innovation Officer
190
697.00
€132,430 		190 697.00 €132,430
2026-04-17 2026-04-15 S Sale
2.2
Massey K.

Chief Operating Officer
5,000
700.34
€3,501,700 		5,000 700.34 €3,501,700
2026-01-24 2026-01-22 S Sale
2.6
Moorthy H.

General Counsel
4,858
700.00
€3,400,600 		4,858 700.00 €3,400,600
2026-01-15 2026-01-14 S Sale
3.7
J.M. Daly
Director or Supervisory Board Member
925
695.71
€643,532 		925 695.71 €643,532
2026-01-15 2026-01-13 S Sale
3.7
J.M. Daly
Director or Supervisory Board Member
2,700
696.07
€1,879,389 		2,700 696.07 €1,879,389
2026-01-15 2026-01-13 B Purchase
3.7
J.M. Daly
Director or Supervisory Board Member
2,700
359.60
€970,920 		2,700 359.60 €970,920
2025-12-03 2025-12-02 S Sale
2.6
P.K.M. Verhaeghe
Director or Supervisory Board Member
2,000
774.00
€1,548,000 		2,000 774.00 €1,548,000
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