Kooij Louise Frederika

Track

Insider profile

Performance

Overall performance
2.6
Performance over holding periods
2.6
30 days 90 days 120 days
Average return -5% 8.2% 15.1%
Success rate 45% 68% 82%
Transactions
16 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Kooij Louise Frederika's trades of NewAmsterdam Pharma Company NV's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• 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
2026-05-27 2026-05-26
S Sale
95,133 +5.8%
170.72
US$2,802,043 		95,133 +5.8% 170.72 US$2,802,043
2026-05-26 2026-05-26
PrS Proposed sale
87,412
442.61
US$2,622,831 		87,412 442.61 US$2,622,831
2026-01-29 2026-01-28
S Sale
75,732 -2.0%
59.20
US$1,056,800 		75,732 -2.0% 59.20 US$1,056,800
2026-01-29 2026-01-27
S Sale
39,816 -62.0%
32.62
US$1,298,798 		39,816 -62.0% 32.62 US$1,298,798
2026-01-27 2026-01-26
S Sale
309 -1.3%
33.45
US$10,336 		309 -1.3% 33.45 US$10,336
2026-01-27 2026-01-26
S Sale
34,091 -58.0%
32.77
US$1,117,162 		34,091 -58.0% 32.77 US$1,117,162
2026-01-27 2026-01-23
S Sale
12,767 -34.4%
34.37
US$438,802 		12,767 -34.4% 34.37 US$438,802
2026-01-27 2026-01-23
S Sale
25,405 -40.6%
33.44
US$849,543 		25,405 -40.6% 33.44 US$849,543
2026-01-07 2026-01-05
S Sale
2,647 -17.6%
33.25
US$88,013 		2,647 -17.6% 33.25 US$88,013
2026-01-05 2026-01-05
PrS Proposed sale
2,647
33.25
US$88,012 		2,647 33.25 US$88,012
2025-12-29 2025-12-26
S Sale
43,872 -74.5%
35.30
US$1,548,682 		43,872 -74.5% 35.30 US$1,548,682
2025-12-29 2025-12-24
S Sale
26,011 -63.4%
35.68
US$928,072 		26,011 -63.4% 35.68 US$928,072
2025-12-29 2025-12-23
S Sale
75,117 -83.4%
36.21
US$2,719,987 		75,117 -83.4% 36.21 US$2,719,987
2025-12-23 2025-12-23
PrS Proposed sale
290,000
36.49
US$10,582,100 		290,000 36.49 US$10,582,100
2025-09-10 2025-09-09
S Sale
96,896 -86.6%
26.11
US$2,529,955 		96,896 -86.6% 26.11 US$2,529,955
2025-09-10 2025-09-09
S Sale
53,104 -32.2%
25.31
US$1,344,062 		53,104 -32.2% 25.31 US$1,344,062
2025-09-09 2025-09-09
PrS Proposed sale
150,000
25.20
US$3,780,000 		150,000 25.20 US$3,780,000
2025-09-05 2025-09-03
S Sale
18,073 -54.6%
25.09
US$453,452 		18,073 -54.6% 25.09 US$453,452
2025-09-03 2025-09-03
PrS Proposed sale
18,073
24.05
US$434,656 		18,073 24.05 US$434,656
2025-08-27 2025-08-25
PrS Proposed sale
8,269
25.19
US$208,296 		8,269 25.19 US$208,296
2025-08-27 2025-08-25
S Sale
8,269 -35.5%
24.86
US$205,567 		8,269 -35.5% 24.86 US$205,567
2025-03-05 2025-03-04
S Sale
150,000 -90.9%
20.37
US$3,055,500 		150,000 -90.9% 20.37 US$3,055,500
2025-03-04 2025-03-04
PrS Proposed sale
150,000
20.27
US$3,040,500 		150,000 20.27 US$3,040,500
2024-10-01 2024-10-01
PrS Proposed sale
45,000
17.29
US$778,050 		45,000 17.29 US$778,050
2024-10-01 2024-10-01
S Sale
45,000 -100.0%
15.72
US$707,400 		45,000 -100.0% 15.72 US$707,400