Belgium Biotechnology & Medical Research

Galapagos NV (GLPG)

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Galapagos NV has seen consistent insider buying over the last 90 days, with a net buy value of over EUR 554,000. Two insiders made purchases, totaling EUR 471,624. Notably, Henry Gosebruch and Aaron Cox were among the recent buyers. The stock has experienced a 12.6% decline in the past 90 days.

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Stock chart

Ticker: GLPG Exchange: AEX

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Trades

Gosebruch Henry

1 purchase — total 76,158 EUR

Buy 11 May 2026

Value €4,161,802.15 | Price 141.43 | Shares 85,193

Gosebruch Henry

1 purchase — total 159,076 EUR

Buy 8 May 2026

Value €500,191.42 | Price 423.46 | Shares 30,425

Cox Aaron

1 purchase — total 236,390 EUR

Buy 7 May 2026

Value €236,390.49 | Price 23.64 | Shares 10,000

Griffiths Jane

1 purchase — total 10,899 EUR

Buy 22 Jan 2026

Value €10,899.44 | Price 28.84 | Shares 378

Svoronos Dawn

1 purchase — total 10,785 EUR

Buy 22 Jan 2026

Value €10,785.00 | Price 28.76 | Shares 375

Johnston Neil

1 purchase — total 3,950 EUR

Buy 22 Jan 2026

Value €3,950.33 | Price 28.84 | Shares 137

Contamine Jérôme

1 purchase — total 44,953 EUR

Buy 22 Jan 2026

Value €44,952.99 | Price 28.84 | Shares 1,559

Oleg Nodelman

2 purchases — total 3,188,046 USD

Buy 28 Jul 2025

Value US$210,727.12 | Price 33.26 | Shares 6,336

Through EcoR1 Capital Fund, L.P., a closely affiliated person

Buy 28 Jul 2025

Value US$2,977,318.82 | Price 33.26 | Shares 89,520

Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person

Oleg Nodelman

2 purchases — total 4,402,059 USD

Buy 25 Jul 2025

Value US$4,111,076.12 | Price 32.36 | Shares 127,041

Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person

Buy 25 Jul 2025

Value US$290,982.88 | Price 32.36 | Shares 8,992

Through EcoR1 Capital Fund, L.P., a closely affiliated person

Oleg Nodelman

2 purchases — total 7,664,484 USD

Buy 24 Jul 2025

Value US$506,612.80 | Price 30.43 | Shares 16,651

Through EcoR1 Capital Fund, L.P., a closely affiliated person

Buy 24 Jul 2025

Value US$7,157,870.81 | Price 30.43 | Shares 235,260

Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person

Oleg Nodelman

2 purchases — total 2,318,734 USD

Buy 18 Jun 2025

Value US$145,141.98 | Price 28.30 | Shares 5,129

Through EcoR1 Capital Fund, L.P., a closely affiliated person

Buy 18 Jun 2025

Value US$2,173,592.42 | Price 28.30 | Shares 76,810

Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person

Oleg Nodelman

2 purchases — total 1,977,518 USD

Buy 17 Jun 2025

Value US$123,784.38 | Price 28.08 | Shares 4,409

Through EcoR1 Capital Fund, L.P., a closely affiliated person

Buy 17 Jun 2025

Value US$1,853,733.98 | Price 28.08 | Shares 66,027

Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person

Oleg Nodelman

2 purchases — total 2,510,256 USD

Buy 16 Jun 2025

Value US$157,153.62 | Price 28.98 | Shares 5,422

Through EcoR1 Capital Fund, L.P., a closely affiliated person

Buy 16 Jun 2025

Value US$2,353,102.24 | Price 28.98 | Shares 81,185

Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person

Oleg Nodelman

1 purchase — total 43,679 EUR

Buy 13 Jun 2025

Value €43,679.49 | Price 24.89 | Shares 1,755

Through EcoR1 Capital Fund, L.P., a closely affiliated person

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
2026-05-12	2026-05-11	B Purchase	3.2 Gosebruch Henry Management or Supervisory Board Member	85,193 141.43 €4,161,802	85,193	141.43	€4,161,802
2026-05-12	2026-05-08	B Purchase	3.2 Gosebruch Henry Management or Supervisory Board Member	30,425 423.46 €500,191	30,425	423.46	€500,191
2026-05-11	2026-05-07	B Purchase	Cox Aaron Management or Supervisory Board Member	50,619 161.82 €2,385,262	50,619	161.82	€2,385,262
2026-01-26	2026-01-22	B Purchase	3.0 Griffiths Jane Management or Supervisory Board Member	378 28.84 €10,899	378	28.84	€10,899
2026-01-26	2026-01-22	B Purchase	3.4 Svoronos Dawn Management or Supervisory Board Member	375 28.76 €10,785	375	28.76	€10,785
2026-01-26	2026-01-22	B Purchase	2.6 Johnston Neil Management or Supervisory Board Member	137 28.84 €3,950	137	28.84	€3,950
2026-01-26	2026-01-22	B Purchase	3.2 Contamine Jérôme Management or Supervisory Board Member	1,559 28.84 €44,953	1,559	28.84	€44,953
2025-07-31	2025-07-28	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund, L.P., a closely affiliated person Management or Supervisory Board Member	6,336 33.26 US$210,727	6,336	33.26	US$210,727
2025-07-31	2025-07-28	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person Management or Supervisory Board Member	89,520 33.26 US$2,977,319	89,520	33.26	US$2,977,319
2025-07-30	2025-07-25	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person Management or Supervisory Board Member	127,041 32.36 US$4,111,076	127,041	32.36	US$4,111,076
2025-07-30	2025-07-25	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund, L.P., a closely affiliated person Management or Supervisory Board Member	8,992 32.36 US$290,983	8,992	32.36	US$290,983
2025-07-25	2025-07-24	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund, L.P., a closely affiliated person Management or Supervisory Board Member	16,651 30.43 US$506,613	16,651	30.43	US$506,613
2025-07-25	2025-07-24	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person Management or Supervisory Board Member	235,260 30.43 US$7,157,871	235,260	30.43	US$7,157,871
2025-06-20	2025-06-18	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund, L.P., a closely affiliated person Management or Supervisory Board Member	5,129 28.30 US$145,142	5,129	28.30	US$145,142
2025-06-19	2025-06-18	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person Management or Supervisory Board Member	76,810 28.30 US$2,173,592	76,810	28.30	US$2,173,592
2025-06-19	2025-06-17	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund, L.P., a closely affiliated person Management or Supervisory Board Member	4,409 28.08 US$123,784	4,409	28.08	US$123,784
2025-06-19	2025-06-17	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person Management or Supervisory Board Member	66,027 28.08 US$1,853,734	66,027	28.08	US$1,853,734
2025-06-19	2025-06-16	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund, L.P., a closely affiliated person Management or Supervisory Board Member	5,422 28.98 US$157,154	5,422	28.98	US$157,154
2025-06-19	2025-06-16	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund Qualified, L.P., a closely affiliated person Management or Supervisory Board Member	81,185 28.98 US$2,353,102	81,185	28.98	US$2,353,102
2025-06-19	2025-06-13	B Purchase	3.7 Oleg Nodelman Through EcoR1 Capital Fund, L.P., a closely affiliated person Management or Supervisory Board Member	1,755 24.89 €43,679	1,755	24.89	€43,679