Updated Jul 16, 2026
LANGE LOUIS G is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $2.19M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-12 | NAMS | NewAmsterdam Pharma Co N.V. | S — Open-market sale | 446 | $31.23 | $14K |
| 2026-03-12 | NAMS | NewAmsterdam Pharma Co N.V. | S — Open-market sale | 44.2K | $30.41 | $1.34M |
| 2026-03-11 | NAMS | NewAmsterdam Pharma Co N.V. | J — Other acquisition / disposition | 44.6K | $11.50 | $513K |
| 2026-03-11 | NAMS | NewAmsterdam Pharma Co N.V. | S — Open-market sale | 28.2K | $29.41 | $829K |
| 2026-01-10 | NAMS | NewAmsterdam Pharma Co N.V. | A — Grant or award | 3.4K | — | |
| 2025-06-01 | NAMS | NewAmsterdam Pharma Co N.V. | M — Option exercise | 68 | $0.00 | |
| 2025-05-01 | NAMS | NewAmsterdam Pharma Co N.V. | M — Option exercise | 69 | $0.00 | |
| 2025-04-14 | NAMS | NewAmsterdam Pharma Co N.V. | M — Option exercise | 69 | $0.00 |
LANGE LOUIS G is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($2.19M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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