InsiderTrades

NAMS NewAmsterdam Pharma Co N.V.

Nasdaq · SEC CIK 1936258 · EDGAR

Bought, last 12 months
$226.5K
1 purchases by 1 insiders
Sold, last 12 months
$62.00M
19 sales by 6 insiders
Filings on record
108
since 2024-01-03, latest 2026-09-15 16:30
Buying vs selling by month open-market trades, last 24 months
BoughtSold

Most active insiders, 12 months

InsiderTitleBoughtSold
Davidson Michael H.CEO, Dir $226.5K$25.33M
Kooij Louise FrederikaCAO —$16.75M
Kastelein Johannes Jacob PieterCSO, Dir —$14.26M
Somaiya Mayur IanCFO —$3.43M
LANGE LOUIS GDir —$2.19M
Smither John WDir —$40.5K
Gunning Robert WilliamVP, Ctrl ——
van der Kamp Hilde JohannaDir ——
McKenna Mark C.Dir ——
Gulfo Adele M.Dir ——

Transactions 122

Type
Reset
X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-01-07 2025-01-07 NAMS Somaiya Mayur Ian CFO A - Grant — +38.0K 38.0K New —
2025-01-07 2025-01-07 NAMS Kling Douglas F COO A - Grant — +44.0K 44.0K New —
2025-01-07 2025-01-07 NAMS Audet Juliette Berangere Chief Business Off A - Grant — +14.0K 15.1K +1,268% —
TI 2025-01-02 2024-12-30 NAMS ForGrowth NAP B.V. 10% S - Sale $25.54 -29.8K 10.66M -0.3% -$762.3K
MTI 2024-12-30 2024-12-26+ NAMS Forbion Capital Fund IV Cooperatief U.A. 10% S - Sale $25.98 -74.9K 10.73M -0.7% -$1.95M
MTI 2024-12-26 2024-12-20+ NAMS Forbion IV Management B.V. 10% S - Sale $25.58 -91.1K 10.76M -0.8% -$2.33M
MTI 2024-12-20 2024-12-18+ NAMS ForGrowth NAP B.V. 10% S - Sale $25.87 -157.2K 10.91M -1% -$4.07M
MTI 2024-12-18 2024-12-16+ NAMS Forbion IV Management B.V. 10% S - Sale $25.95 -115.5K 11.12M -1% -$3.00M
MTI 2024-12-16 2024-12-12+ NAMS Forbion IV Management B.V. 10% S - Sale $25.34 -191.8K 11.18M -2% -$4.86M
MTI 2024-12-12 2024-12-10+ NAMS Forbion Growth Management B.V. 10% S - Sale $25.40 -462.3K 11.52M -4% -$11.74M
MTI 2024-11-19 2024-11-15+ NAMS ForGrowth NAP B.V. 10% S - Sale $25.07 -41.8K 11.78M -0.4% -$1.05M
MTI 2024-11-15 2024-11-13+ NAMS Forbion Capital Fund IV Cooperatief U.A. 10% S - Sale $25.01 -10.9K 11.83M -0.1% -$272.5K
D 2024-10-01 2024-09-27 NAMS Kooij Louise Frederika CAO M - OptEx — +45.0K 45.0K New —
D 2024-10-01 2024-10-01 NAMS Kooij Louise Frederika CAO S - Sale+OE $15.72 -45.0K 0 -100% -$707.4K
2024-09-30 2024-09-26 NAMS Audet Juliette Berangere Chief Business Off P - Purchase $15.70 +1,104 1,104 New +$17.3K
2024-08-22 2024-08-20 NAMS Davidson Michael H. CEO, Dir P - Purchase $16.27 +5,000 209.8K +2% +$81.3K
2024-06-24 2024-06-20 NAMS Davidson Michael H. CEO, Dir P - Purchase $17.26 +5,000 204.8K +3% +$86.3K
I 2024-03-28 2024-03-26 NAMS Topper James N Dir P - Purchase $21.50 +8,429 3.01M +0.3% +$181.2K
DI 2024-03-27 2024-03-26 NAMS Kastelein Johannes Jacob Pieter CSO, Dir S - Sale+OE $21.50 -190.5K 0 -100% -$4.10M
DI 2024-03-27 2024-03-26 NAMS Kastelein Johannes Jacob Pieter CSO, Dir F - Tax $22.72 -11.2K 190.5K -6% -$254.4K
DI 2024-03-27 2024-03-26 NAMS Kastelein Johannes Jacob Pieter CSO, Dir M - OptEx — +201.7K 201.7K New —
I 2024-02-21 2024-02-13 NAMS LANGE LOUIS G Dir P - Purchase $19.00 +5,000 24.9K +25% +$95.0K

Purchase Sale Sale after option exercise All abbreviations