Netherlands Biotechnology & Medical Research

argenx SE (ARGX)

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Track

Argenx SE experienced notable insider trading activity recently, with four transactions recorded over the past ninety days. While one purchase occurred, selling dominated the volume, including significant divestments by the CFO. These movements follow a positive earnings report, as the stock price currently trades near its fifty-two-week high after a strong quarterly performance.
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
2.9
P.M. Klein Director or Supervisory Board Member
Transaction date
Sale
Price
51.79
Quantity 2,657
Value €2,418,466
2.9
P.M. Klein Director or Supervisory Board Member
Transaction date
Purchase
Price
179.09
Quantity 38,331
Value €3,008,270
DelGiacco E. Corporate Affairs
Transaction date
Sale
Price
322.19
Quantity 49,279
Value €3,357,401
2.6
Gubitz K. CFO
Transaction date
Sale
Price
852.86
Quantity 1,000
Value €100,000
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
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
2.6
P.K.M. Verhaeghe Director or Supervisory Board Member
Transaction date
Purchase
Price
11.37
Quantity 2,000
Value €22,740
3.5
Van Hauwermeiren T.J.M. CEO en uitvoerend bestuurder van argenx SE
Through Vissers N. K. M. J. G. , a closely affiliated person
Transaction date
Sale
Price
783.70
Quantity 7,639
Value €5,986,669
3.5
Van Hauwermeiren T.J.M. CEO en uitvoerend bestuurder van argenx SE
Through van Hauwermeiren F. , a closely affiliated person
Transaction date
Sale
Price
783.70
Quantity 1,156
Value €906,263
3.5
Van Hauwermeiren T.J.M. CEO en uitvoerend bestuurder van argenx
Through van Hauwermeiren F. , a closely affiliated person
Transaction date
Sale
Price
797.00
Quantity 1,156
Value €921,643
3.5
Van Hauwermeiren T.J.M. CEO en uitvoerend bestuurder van argenx SE
Through Vissers N. K. M. J. G. , a closely affiliated person
Transaction date
Sale
Price
797.00
Quantity 7,639
Value €6,088,267
3.3
A.A. Rosenberg Director or Supervisory Board Member
Transaction date
Sale
Price
805.08
Quantity 4,680
Value €3,767,774
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-31 2026-08-28 S Sale
2.9
P.M. Klein
Director or Supervisory Board Member
2,657
51.79
€2,418,466 		2,657 51.79 €2,418,466
2026-08-31 2026-08-28 B Purchase
2.9
P.M. Klein
Director or Supervisory Board Member
38,331
179.09
€3,008,270 		38,331 179.09 €3,008,270
2026-08-28 2026-08-26 S Sale
DelGiacco E.

Corporate Affairs
49,279
322.19
€3,357,401 		49,279 322.19 €3,357,401
2026-08-21 2026-08-18 S Sale
2.6
Gubitz K.

CFO
1,000
852.86
€100,000 		1,000 852.86 €100,000
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
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
2025-12-03 2025-12-02 B Purchase
2.6
P.K.M. Verhaeghe
Director or Supervisory Board Member
2,000
11.37
€22,740 		2,000 11.37 €22,740
2025-11-29 2025-11-25 S Sale
3.5
Van Hauwermeiren T.J.M.

CEO en uitvoerend bestuurder van argenx SE

Through Vissers N. K. M. J. G. , a closely affiliated person
7,639
783.70
€5,986,669 		7,639 783.70 €5,986,669
2025-11-29 2025-11-25 S Sale
3.5
Van Hauwermeiren T.J.M.

CEO en uitvoerend bestuurder van argenx SE

Through van Hauwermeiren F. , a closely affiliated person
1,156
783.70
€906,263 		1,156 783.70 €906,263
2025-11-29 2025-11-21 S Sale
3.5
Van Hauwermeiren T.J.M.

CEO en uitvoerend bestuurder van argenx

Through van Hauwermeiren F. , a closely affiliated person
1,156
797.00
€921,643 		1,156 797.00 €921,643
2025-11-29 2025-11-21 S Sale
3.5
Van Hauwermeiren T.J.M.

CEO en uitvoerend bestuurder van argenx SE

Through Vissers N. K. M. J. G. , a closely affiliated person
7,639
797.00
€6,088,267 		7,639 797.00 €6,088,267
2025-11-22 2025-11-20 S Sale
3.3
A.A. Rosenberg
Director or Supervisory Board Member
4,680
805.08
€3,767,774 		4,680 805.08 €3,767,774
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