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Net $ Activity (confirmed months)
−$54.56M
Open-Market Buy : Sell Events (confirmed months)
1 : 28
Avg. Open-Market Price / Share (confirmed months)
Buy$22.65Sell$32.57
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 09/30/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Option Exercise | 50,246 | - | - |
| 09/30/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Sell | 50,246 | $25.03 | $1.26M |
| 09/14/26 | Davidson Michael H.Chief Executive Officer, Director | Buy | 10,000 | $22.65 | $226.50K |
| 09/04/26 | Smither John WDirector | Sell | 1,600 | $25.32 | $40.51K |
| 09/01/26 | Gunning Robert WilliamVice President, Controller | Award | 3,200 | - | - |
| 08/24/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Option Exercise | 125,000 | - | - |
| 08/24/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Sell | 125,000 | $26.91 | $3.36M |
| 07/20/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 25,000 | $11.90 | $297.50K |
| 07/20/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 80,000 | $11.17 | $893.60K |
| 07/20/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 70,200 | $29.96 | $2.10M |
| 07/20/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 31,885 | $31.05 | $990.03K |
| 07/20/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 2,915 | $31.71 | $92.43K |
| 06/22/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 25,000 | $10.90 | $272.50K |
| 06/22/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 15,000 | $11.90 | $178.50K |
| 06/22/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 39,700 | $30.20 | $1.20M |
| 06/22/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 300 | $30.73 | $9.22K |
| 05/26/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 60,000 | $10.00 | $600.00K |
| 05/26/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 5,000 | $10.90 | $54.50K |
| 05/26/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 65,000 | $35.69 | $2.32M |
| 03/11/26 | Lange Louis GDirector | Sell | 44,173 | $30.41 | $1.34M |
| 03/11/26 | Lange Louis GDirector | Sell | 446 | $31.23 | $13.93K |
| 03/09/26 | Lange Louis GDirector | Option Exercise | 44,619 | $11.50 | $513.12K |
| 03/09/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Option Exercise | 101,409 | - | - |
| 03/09/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Sell | 101,409 | $30.29 | $3.07M |
| 03/06/26 | Lange Louis GDirector | Sell | 28,186 | $29.41 | $828.95K |
| 03/06/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Option Exercise | 94,124 | - | - |
| 03/06/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Sell | 94,124 | $30.32 | $2.85M |
| 03/05/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Option Exercise | 104,467 | - | - |
| 03/05/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Sell | 104,467 | $30.30 | $3.17M |
| 03/02/26 | Davidson Michael H.Chief Executive Officer, Director | Option Exercise | 443,707 | - | - |
| 03/02/26 | Davidson Michael H.Chief Executive Officer, Director | Sell | 443,707 | $33.25 | $14.75M |
| 02/26/26 | Davidson Michael H.Chief Executive Officer, Director | Option Exercise | 183,332 | - | - |
| 02/26/26 | Davidson Michael H.Chief Executive Officer, Director | Sell | 165,408 | $33.63 | $5.56M |
| 02/26/26 | Davidson Michael H.Chief Executive Officer, Director | Sell | 17,924 | $34.44 | $617.30K |
| 02/25/26 | Davidson Michael H.Chief Executive Officer, Director | Option Exercise | 58,253 | - | - |
| 02/25/26 | Davidson Michael H.Chief Executive Officer, Director | Sell | 46,517 | $35.11 | $1.63M |
| 02/25/26 | Davidson Michael H.Chief Executive Officer, Director | Sell | 10,436 | $35.96 | $375.28K |
| 02/25/26 | Davidson Michael H.Chief Executive Officer, Director | Sell | 1,300 | $36.68 | $47.68K |
| 02/24/26 | Davidson Michael H.Chief Executive Officer, Director | Option Exercise | 64,708 | - | - |
| 02/24/26 | Davidson Michael H.Chief Executive Officer, Director | Sell | 61,547 | $36.13 | $2.22M |
| 02/24/26 | Davidson Michael H.Chief Executive Officer, Director | Sell | 3,161 | $36.46 | $115.25K |
| 02/20/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Sell | 14,692 | $35.00 | $514.22K |
| 02/20/26 | Kastelein Johannes Jacob PieterChief Scientific Officer, Director | Sell | 30,789 | $35.46 | $1.09M |
| 01/28/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 32,612 | $10.90 | $355.47K |
| 01/28/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 32,612 | $31.80 | $1.04M |
| 01/27/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 39,816 | $10.90 | $433.99K |
| 01/27/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 39,816 | $32.62 | $1.30M |
| 01/26/26 | Kooij Louise FrederikaChief Accounting Officer | Option Exercise | 34,400 | $10.90 | $374.96K |
| 01/26/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 34,091 | $32.77 | $1.12M |
| 01/26/26 | Kooij Louise FrederikaChief Accounting Officer | Sell | 309 | $33.45 | $10.34K |