LK
Insider
Louise Frederika Kooij
Chief Accounting OfficerLouise Frederika Kooij (Chief Accounting Officer) filed 6 Form 4 reports in the trailing twelve months (0 purchases, 6 sales, 1 filed past the two-business-day deadline), most often in NewAmsterdam Pharma Company N.V. (NAMS). The largest single filing was $5.2M of NAMS (145,000 sh across 3 lots, as filed), executed Dec 23 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
6
0 buys · 6 sells · 1 late
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$16.6M
shares × price, as filed
Last traded
Jul 20
Filed Jul 22
Median ADV $32.2M across their filed names
Open performance→Volume by month
Buys $0
Sells $24.8M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
6 filings
Sector per market data · by filing · past 12 months
Most traded names
NAMSRecent filings
NAMSSALE
NewAmsterdam Pharma Company N.V.
View filing →
$3.1M102,085 sh across 2 lots
Exec Jul 20
Filed Jul 22 · 4:05 PM ET NAMSSALE NewAmsterdam Pharma Company N.V. View filing → $1.2M
39,700 sh × $30.20
Exec Jun 22
Filed Jun 24 · 5:30 PM ET NAMSSALE NewAmsterdam Pharma Company N.V. View filing → $2.3M
65,000 sh × $35.69
Exec May 26
Filed May 27 · 5:30 PM ET NAMSSALE NewAmsterdam Pharma Company N.V. View filing → $2.3M
72,428 sh across 2 lots
Exec Jan 27
Filed Jan 29 · 5:30 PM ET NAMSSALE NewAmsterdam Pharma Company N.V. View filing → $2.4M
72,263 sh across 3 lots
Exec Jan 23
Filed Jan 27 · 5:30 PM ET NAMSSALE NewAmsterdam Pharma Company N.V. View filing → $5.2M
145,000 sh across 3 lots
Exec Dec 23 2025
Filed Dec 29 2025 · 5:30 PM ET † NAMSSALE NewAmsterdam Pharma Company N.V. View filing → $3.9M
150,000 sh across 2 lots
Exec Sep 9 2025
Filed Sep 10 2025 · 5:30 PM ET NAMSSALE NewAmsterdam Pharma Company N.V. View filing → $453K
18,073 sh × $25.09
Exec Sep 3 2025
Filed Sep 5 2025 · 5:30 PM ET More filings →