de Boer Daniel Anton

Track

Insider profile

Performance

Overall performance
Performance over holding periods
30 days 90 days 120 days
Average return 17% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
4 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
de Boer Daniel Anton's trades of ProQR Therapeutics NV's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Purchase
Price
260.65
Quantity 49,249 +3.7%
Value US$4,283,441
Transaction date
Purchase
Price
391.00
Quantity 74,457 +19.1%
Value US$2,018,246
Transaction date
Purchase
Price
278.56
Quantity 24,598 +25.9%
Value US$555,837
Transaction date
Purchase
Price
1.59
Quantity 150,000 +inf%
Value US$238,500
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-03 2026-07-31
B Purchase
49,249 +3.7%
260.65
US$4,283,441 		49,249 +3.7% 260.65 US$4,283,441
2026-08-03 2026-07-31
B Purchase
74,457 +19.1%
391.00
US$2,018,246 		74,457 +19.1% 391.00 US$2,018,246
2026-07-13 2026-07-09
B Purchase
24,598 +25.9%
278.56
US$555,837 		24,598 +25.9% 278.56 US$555,837
2026-07-08 2026-07-07
B Purchase
150,000 +inf%
1.59
US$238,500 		150,000 +inf% 1.59 US$238,500