Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Kooij Louise Frederika
Over the trailing 90 days, Kooij Louise Frederika (Other at NewAmsterdam Pharma Co N.V.) traded $9.0M of stock (net selling $4.4M) in NAMS, per 18 SEC Form 4 transactions.
- Role
- Other
- Companies
- NAMS
- Window
- Trailing 90 days · 18 transactions · CIK 2004379
- Net activity
- −$4.4M ($2.3M bought · $6.7M sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| NAMS | NewAmsterdam Pharma Co N.V. | 18 | $2.3M | $6.7M | −$4.4M |
Transactions (18)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-07-20 | NAMS | Sell | 25.0K | $0 | Exercise or conversion of derivative security |
| 2026-07-20 | NAMS | Sell | 80.0K | $0 | Exercise or conversion of derivative security |
| 2026-07-20 | NAMS | Sell | 2.9K | $92K | Open market or private sale |
| 2026-07-20 | NAMS | Buy | 25.0K | $298K | Exercise or conversion of derivative security |
| 2026-07-20 | NAMS | Buy | 80.0K | $894K | Exercise or conversion of derivative security |
| 2026-07-20 | NAMS | Sell | 70.2K | $2.1M | Open market or private sale |
| 2026-07-20 | NAMS | Sell | 31.9K | $990K | Open market or private sale |
| 2026-06-22 | NAMS | Sell | 25.0K | $0 | Exercise or conversion of derivative security |
| 2026-06-22 | NAMS | Sell | 300 | $9K | Open market or private sale |
| 2026-06-22 | NAMS | Sell | 15.0K | $0 | Exercise or conversion of derivative security |
| 2026-06-22 | NAMS | Buy | 25.0K | $272K | Exercise or conversion of derivative security |
| 2026-06-22 | NAMS | Buy | 15.0K | $178K | Exercise or conversion of derivative security |
| 2026-06-22 | NAMS | Sell | 39.7K | $1.2M | Open market or private sale |
| 2026-05-26 | NAMS | Buy | 60.0K | $600K | Exercise or conversion of derivative security |
| 2026-05-26 | NAMS | Buy | 5.0K | $54K | Exercise or conversion of derivative security |
| 2026-05-26 | NAMS | Sell | 65.0K | $2.3M | Open market or private sale |
| 2026-05-26 | NAMS | Sell | 60.0K | $0 | Exercise or conversion of derivative security |
| 2026-05-26 | NAMS | Sell | 5.0K | $0 | Exercise or conversion of derivative security |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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