Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-03-04 Sale |
2025-03-05 6:10 pm |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
150,000 | $20.37 | $3,055,500 | 33,073 (Direct) |
View |
2024-10-01 Sale |
2024-10-01 5:23 pm |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
45,000 | $15.72 | $707,400 | 168,073 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-03-26 Exercise |
2025-03-28 5:29 pm |
N/A N/A |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
8,269 | $0 | 31,538 (Direct) |
View |
2025-03-26 Option Award |
2025-03-28 5:29 pm |
N/A N/A |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
8,269 | $0 | 31,538 (Direct) |
View |
2025-03-04 Exercise |
2025-03-05 6:10 pm |
N/A 2031-07-06 |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
150,000 | $0 | 33,073 (Direct) |
View |
2025-01-07 Option Award |
2025-01-07 5:21 pm |
N/A N/A |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
15,000 | $0 | 15,000 (Direct) |
View |
2025-01-02 Option Award |
2025-01-06 5:56 pm |
N/A 2035-01-02 |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
80,000 | $0 | 80,000 (Direct) |
View |
2024-09-27 Exercise |
2024-10-01 5:23 pm |
N/A 2031-07-06 |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
45,000 | $0 | 168,073 (Direct) |
View |
2024-01-01 Option Award |
2024-01-03 5:26 pm |
N/A 2034-01-01 |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
150,494 | $0 | 150,494 (Direct) |
View |
Ownership |
2023-12-29 4:30 pm |
N/A 2033-05-18 |
NewAmsterdam Pharma Co N.V. | NAMS | Kooij Louise Frederika Chief Accounting Officer |
0 | $0 | 916,222 (Direct) |
View |