Wouter Stammeijer

Track

Insider profile

Performance

Overall performance
3.9
Performance over holding periods
3.9
30 days 90 days 120 days
Average return 12% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
3 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Wouter Stammeijer's trades of Koninklijke KPN NV's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-01-29 2026-01-28
B Purchase
72,932
138.54
€2,703,427 		72,932 138.54 €2,703,427
2025-01-30 2025-01-30
B Purchase
68,198
94.19
€3,096,687 		68,198 94.19 €3,096,687
2024-01-31 2024-01-31
B Purchase
85,219
214.18
€1,452,349 		85,219 214.18 €1,452,349