| $385M | ||
| $350M | ||
| $215M | ||
| $88M | ||
| $82M | ||
| $62M |
Buys | $404,991 | 8 | 22 |
Sells | $35,428,772 | 29 | 78 |
| Topper James N | director | 8 | $404,991 | 0 | $0 | $404,991 |
| Davidson Michael H. | Chief Executive Officer | 0 | $0 | 2 | $0 | $0 |
| Kastelein Johannes Jacob Pieter | Chief Scientific Officer | 0 | $0 | 3 | $2.67M | $-2.67M |
| Somaiya Mayur Ian | Chief Financial Officer | 0 | $0 | 3 | $3.43M | $-3.43M |
| Kling Douglas F | Chief Operating Officer | 0 | $0 | 9 | $11.7M | $-11.7M |
| Kooij Louise Frederika | Chief Accounting Officer | 0 | $0 | 12 | $17.62M | $-17.62M |
NewAmsterdam Pharma Company N.V., a clinical-stage biopharmaceutical company, focuses on improving patient care in populations with metabolic diseases. Its lead investigational candidate, obicetrapib, is a novel, selective inhibitor that targets the Cholesteryl Ester Transfer Protein (CETP), which has been clinically shown to reduce low-density lipoprotein cholesterol (LDL-C) while at the same time substantially increase high-density lipoprotein cholesterol (HDL-C). The company was founded in 2019 and is based in Naarden, the Netherlands.
Over the last 12 months, insiders at NewAmsterdam Pharma Company N.V. have bought $404,991 and sold $35.43M worth of NewAmsterdam Pharma Company N.V. stock.
On average, over the past 5 years, insiders at NewAmsterdam Pharma Company N.V. have bought $288,735 and sold $38.82M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Topper James N (director) — $404,991.
The last purchase of 660 shares for transaction amount of $15,639 was made by Topper James N (director) on 2025‑09‑15.
| 2026-01-28 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 32,612 0.028% | $31.80 | $1.04M | +2.51% | |
| 2026-01-27 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 39,816 0.0351% | $32.62 | $1.3M | -0.71% | |
| 2026-01-26 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 34,400 0.0307% | $32.78 | $1.13M | -0.97% | |
| 2026-01-23 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 38,172 0.0341% | $33.75 | $1.29M | -5.39% | |
| 2026-01-21 | Sale | Somaiya Mayur Ian | Chief Financial Officer | 39,784 0.0347% | $33.59 | $1.34M | -3.11% | |
| 2026-01-20 | Sale | Somaiya Mayur Ian | Chief Financial Officer | 60,216 0.0524% | $31.96 | $1.92M | +1.82% | |
| 2026-01-07 | Sale | Davidson Michael H. | Chief Executive Officer | 11,582 – | $0 | $0 | -7.79% | |
| 2026-01-05 | Sale | Kastelein Johannes Jacob Pieter | Chief Scientific Officer | 6,000 0.0053% | $33.25 | $199,500 | -2.12% | |
| 2026-01-05 | Sale | Somaiya Mayur Ian | Chief Financial Officer | 5,118 0.0045% | $33.25 | $170,174 | -2.12% | |
| 2026-01-05 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 2,647 0.0023% | $33.25 | $88,013 | -2.12% | |
| 2025-12-26 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 43,872 0.0387% | $35.30 | $1.55M | -4.47% | |
| 2025-12-24 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 26,011 0.023% | $35.68 | $928,072 | -4.88% | |
| 2025-12-23 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 75,117 0.0658% | $36.21 | $2.72M | -5.63% | |
| 2025-09-15 | Topper James N | director | 660 0.0006% | $23.70 | $15,639 | +45.75% | ||
| 2025-09-09 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 150,000 0.1293% | $25.83 | $3.87M | +31.77% | |
| 2025-09-08 | Topper James N | director | 1,260 0.0011% | $24.99 | $31,487 | +39.58% | ||
| 2025-09-03 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 18,073 0.0162% | $25.09 | $453,452 | +40.68% | |
| 2025-08-25 | Sale | Kooij Louise Frederika | Chief Accounting Officer | 8,269 0.0073% | $24.86 | $205,567 | +40.51% | |
| 2025-08-22 | Sale | Kastelein Johannes Jacob Pieter | Chief Scientific Officer | 50,000 0.0446% | $25.14 | $1.26M | +38.68% | |
| 2025-08-21 | Sale | Kastelein Johannes Jacob Pieter | Chief Scientific Officer | 50,000 0.0441% | $24.29 | $1.21M | +41.76% |
| Topper James N | director | 3028524 2.6709% | $106.73M | 9 | 0 | <0.0001% |
| Davidson Michael H. | Chief Executive Officer | 378859 0.3341% | $13.35M | 2 | 2 | +16.5% |
| Kastelein Johannes Jacob Pieter | Chief Scientific Officer | 73481 0.0648% | $2.59M | 0 | 4 | |
| Somaiya Mayur Ian | Chief Financial Officer | 58382 0.0515% | $2.06M | 0 | 6 | |
| Kling Douglas F | Chief Operating Officer | 44000 0.0388% | $1.55M | 0 | 13 | |
| Kooij Louise Frederika | Chief Accounting Officer | 24353 0.0215% | $858,199.72 | 0 | 13 | |
| ForGrowth NAP B.V. | 10 percent owner | 10656172 9.3977% | $375.52M | 0 | 19 | |
| LANGE LOUIS G | director | 24878 0.0219% | $876,700.72 | 1 | 0 | <0.0001% |
| Audet Juliette Berangere | Chief Business Officer | 1104 0.001% | $38,904.96 | 1 | 0 | +32.82% |
$159,914,414 | 243 | 18.52% | $4.17B | |
$66,736,176 | 136 | 27.54% | $3.69B | |
$193,151,375 | 134 | 8.18% | $4.49B | |
$52,263,649 | 70 | 1.18% | $3.8B | |
$1,275,975,557 | 32 | 19.44% | $3.88B | |
$61,717,660 | 28 | 36.84% | $3.57B | |
$150,253,463 | 26 | -52.83% | $3.35B | |
$27,105,902 | 21 | -16.06% | $3.85B | |
$74,605,681 | 14 | 47.06% | $5.1B | |
$91,269,919 | 12 | 12.86% | $4.48B | |
$3,073,199 | 10 | 16.77% | $4.97B | |
$25,064,843 | 9 | 12.75% | $4.74B | |
$1,711,150 | 9 | 31.59% | $3.52B | |
$182,500,000 | 6 | 29.00% | $4.06B | |
$2,246,813 | 6 | 70.15% | $4.61B | |
NewAmsterdam Pharma Company N.V. (NAMS) | $461,215 | 5 | 10.35% | $4B |
$142,493,653 | 3 | 4.30% | $3.33B | |
$50,990,767 | 2 | 19.79% | $3.82B | |
$7,600,000 | 1 | -4.05% | $4.35B |
| Increased Positions | 100 | +67.11% | 13M | +10.58% |
| Decreased Positions | 62 | -41.61% | 9M | -7.21% |
| New Positions | 50 | New | 3M | New |
| Sold Out Positions | 16 | Sold Out | 937,793 | Sold Out |
| Total Postitions | 187 | +25.5% | 123M | +3.37% |
| Frazier Life Sciences Management, L.P. | $587,909.00 | 14.78% | 16.7M | +94,882 | +0.57% | 2025-09-30 |
| Bain Capital Life Sciences Investors, Llc | $377,313.00 | 9.49% | 10.72M | 0 | 0% | 2025-09-30 |
| Ra Capital Management, L.P. | $356,891.00 | 8.97% | 10.14M | 0 | 0% | 2025-09-30 |
| Capital World Investors | $345,759.00 | 8.69% | 9.82M | +1M | +17.11% | 2025-09-30 |
| Fcpm Iii Services B.V. | $324,276.00 | 8.15% | 9.21M | -1M | -13.35% | 2025-09-30 |
| Viking Global Investors Lp | $227,939.00 | 5.73% | 6.48M | -503,000 | -7.21% | 2025-09-30 |
| Fmr Llc | $194,842.00 | 4.9% | 5.54M | +4M | +190.63% | 2025-09-30 |
| Deerfield Management Company, L.P. | $150,188.00 | 3.78% | 4.27M | -849,260 | -16.6% | 2025-09-30 |
| Jennison Associates Llc | $147,789.00 | 3.72% | 4.2M | +1M | +42.51% | 2025-09-30 |
| Wellington Management Group Llp | $141,508.00 | 3.56% | 4.02M | +697,129 | +20.98% | 2025-09-30 |