NewAmsterdam Pharma Co N.V.
NAMS, NAMSW · Pharmaceutical Preparations · 116.9M shares · +174%/yr ↑ dilution · EDGAR filings ↗
Reference price $30.20 · est. market cap ~$3.5B — last insider sale, 2026-06-22 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
D44Clinical/early-stage biotech — cardiometabolic clinical (obicetrapib), heavy burn, funded.
Strengths
- Liquidity — current ratio 7.9 (73rd)
Risks
- Pre-revenue, deep losses — per metrics
- Pre-revenue/clinical-stage — history of losses & need for capital per risk factors
- Binary clinical & funding risk — per 10-K
Notable findings
- Exec changeRecent 8-K item 5.02 8-K ↗
- Net lossNet loss (net margin -905.7%)
- Chronic dilutionShare count +174%/yr over 2y (dilution, book value/share -68%)
- Strong balance sheetStrong balance sheet — $729M cash & investments
- Revenue declineRevenue -50.6% YoY
- Insider sellingInsider selling — 34 open-market sale(s) by 5 insider(s) (cluster of 5 insiders, ~$50M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Operating margin
-1002.9%
Net margin
-905.7%
Return on equity
-29.8%
Return on assets
-26.5%
Revenue growth (QoQ)
-50.6%
Current ratio
7.9×
EBITDA
-$225M
Tangible book value
$683M
Cash & investments
$729M
Stock comp / revenue
264.1%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-22 | Kooij Louise Frederika | Sell | 40K | $30.20 |
| 2026-06-22 | Kooij Louise Frederika | Option exercise | 15K | $11.90 |
| 2026-06-22 | Kooij Louise Frederika | Option exercise | 25K | $10.90 |
| 2026-06-22 | Kooij Louise Frederika | Sell | 300 | $30.73 |
| 2026-05-26 | Kooij Louise Frederika | Option exercise | 5.0K | $10.90 |
| 2026-05-26 | Kooij Louise Frederika | Option exercise | 60K | $10.00 |
| 2026-05-26 | Kooij Louise Frederika | Sell | 65K | $35.69 |
| 2026-03-11 | LANGE LOUIS G | Sell | 44K | $30.41 |
| 2026-03-11 | LANGE LOUIS G | Sell | 446 | $31.23 |
| 2026-03-09 | Kastelein Johannes Jacob Pieter | Option exercise | 101K | — |
| 2026-03-09 | LANGE LOUIS G | Option exercise | 45K | $11.50 |
| 2026-03-09 | Kastelein Johannes Jacob Pieter | Sell | 101K | $30.29 |
| 2026-03-06 | Kastelein Johannes Jacob Pieter | Option exercise | 94K | — |
| 2026-03-06 | LANGE LOUIS G | Sell | 28K | $29.41 |
| 2026-03-06 | Kastelein Johannes Jacob Pieter | Sell | 94K | $30.32 |
| 2026-03-05 | Kastelein Johannes Jacob Pieter | Option exercise | 104K | — |
| 2026-03-05 | Kastelein Johannes Jacob Pieter | Sell | 104K | $30.30 |
| 2026-03-02 | Davidson Michael H. | Sell | 444K | $33.25 |
| 2026-03-02 | Davidson Michael H. | Option exercise | 444K | — |
| 2026-02-26 | Davidson Michael H. | Sell | 18K | $34.44 |
| 2026-02-26 | Davidson Michael H. | Option exercise | 183K | — |
| 2026-02-26 | Davidson Michael H. | Sell | 165K | $33.63 |
| 2026-02-25 | Davidson Michael H. | Sell | 10K | $35.96 |
| 2026-02-25 | Davidson Michael H. | Option exercise | 58K | — |
| 2026-02-25 | Davidson Michael H. | Sell | 47K | $35.11 |
| 2026-02-25 | Davidson Michael H. | Sell | 1.3K | $36.68 |
| 2026-02-24 | Davidson Michael H. | Sell | 62K | $36.13 |
| 2026-02-24 | Davidson Michael H. | Option exercise | 65K | — |
| 2026-02-24 | Davidson Michael H. | Sell | 3.2K | $36.46 |
| 2026-02-20 | Kastelein Johannes Jacob Pieter | Sell | 15K | $35.00 |
| 2026-02-20 | Kastelein Johannes Jacob Pieter | Sell | 31K | $35.46 |
| 2026-01-28 | Kooij Louise Frederika | Option exercise | 33K | $10.90 |
| 2026-01-28 | Kooij Louise Frederika | Sell | 33K | $31.80 |
| 2026-01-27 | Kooij Louise Frederika | Sell | 40K | $32.62 |
| 2026-01-27 | Kooij Louise Frederika | Option exercise | 40K | $10.90 |
| 2026-01-26 | Kooij Louise Frederika | Option exercise | 34K | $10.90 |
| 2026-01-26 | Kooij Louise Frederika | Sell | 34K | $32.77 |
| 2026-01-26 | Kooij Louise Frederika | Sell | 309 | $33.45 |
| 2026-01-23 | Kooij Louise Frederika | Sell | 13K | $34.37 |
| 2026-01-23 | Kooij Louise Frederika | Option exercise | 38K | $10.90 |
| 2026-01-23 | Kooij Louise Frederika | Sell | 25K | $33.44 |
| 2026-01-21 | Somaiya Mayur Ian | Option exercise | 40K | $9.26 |
| 2026-01-21 | Somaiya Mayur Ian | Sell | 15K | $33.25 |
| 2026-01-21 | Somaiya Mayur Ian | Sell | 24K | $33.80 |
| 2026-01-20 | Somaiya Mayur Ian | Sell | 900 | $30.64 |
| 2026-01-20 | Somaiya Mayur Ian | Option exercise | 60K | $9.26 |
| 2026-01-20 | Somaiya Mayur Ian | Sell | 40K | $31.78 |
| 2026-01-20 | Somaiya Mayur Ian | Sell | 20K | $32.38 |
| 2026-01-07 | McKenna Mark C. | Grant | 3.4K | — |
| 2026-01-07 | LANGE LOUIS G | Grant | 3.4K | — |
| 2026-01-07 | Somaiya Mayur Ian | Grant | 26K | — |
| 2026-01-07 | van der Kamp Hilde Johanna | Grant | 3.4K | — |
| 2026-01-07 | Gulfo Adele M. | Grant | 3.4K | — |
| 2026-01-07 | Davidson Michael H. | Sell | 12K | — |
| 2026-01-07 | Davidson Michael H. | Grant | 81K | — |
| 2026-01-07 | Lewis William | Grant | 3.4K | — |
| 2026-01-07 | Smither John W | Grant | 3.4K | — |
| 2026-01-07 | Kastelein Johannes Jacob Pieter | Grant | 26K | — |
| 2026-01-07 | Kooij Louise Frederika | Grant | 12K | — |
| 2026-01-05 | Kooij Louise Frederika | Sell | 2.6K | $33.25 |
| 2026-01-05 | Kastelein Johannes Jacob Pieter | Sell | 6.0K | $33.25 |
| 2026-01-05 | Somaiya Mayur Ian | Sell | 5.1K | $33.25 |
| 2025-12-26 | Kooij Louise Frederika | Sell | 44K | $35.30 |
| 2025-12-26 | Kooij Louise Frederika | Option exercise | 39K | $10.00 |
| 2025-12-26 | Kooij Louise Frederika | Option exercise | 5.0K | $10.90 |
| 2025-12-24 | Kooij Louise Frederika | Option exercise | 26K | $10.00 |
| 2025-12-24 | Kooij Louise Frederika | Sell | 26K | $35.68 |
| 2025-12-23 | Kooij Louise Frederika | Option exercise | 75K | $10.00 |
| 2025-12-23 | Kooij Louise Frederika | Sell | 75K | $36.21 |
| 2025-09-15 | Topper James N | Buy | 660 | $23.70 |
| 2025-09-09 | Kooij Louise Frederika | Sell | 53K | $25.31 |
| 2025-09-09 | Kooij Louise Frederika | Sell | 97K | $26.11 |
| 2025-09-09 | Kooij Louise Frederika | Option exercise | 150K | $10.00 |
| 2025-09-08 | Topper James N | Buy | 1.3K | $24.99 |
| 2025-09-03 | Kooij Louise Frederika | Sell | 18K | $25.09 |
| 2025-09-02 | Kooij Louise Frederika | Option exercise | 18K | — |
| 2025-08-25 | Kooij Louise Frederika | Sell | 8.3K | $24.86 |
| 2025-08-22 | Kastelein Johannes Jacob Pieter | Sell | 42K | $25.08 |
| 2025-08-22 | Kastelein Johannes Jacob Pieter | Sell | 7.7K | $25.49 |
| 2025-08-21 | Kastelein Johannes Jacob Pieter | Sell | 50K | $24.29 |
| 2025-08-11 | Topper James N | Buy | 471 | $23.98 |
| 2025-07-16 | Kling Douglas F | Sell | 51K | $21.10 |
| 2025-07-16 | Kling Douglas F | Option exercise | 51K | $10.90 |
| 2025-07-15 | Kling Douglas F | Sell | 44K | $21.38 |
| 2025-07-15 | Kling Douglas F | Sell | 3.5K | $22.12 |
| 2025-07-15 | Kling Douglas F | Option exercise | 48K | $10.90 |
| 2025-06-25 | Topper James N | Buy | 1.3K | $18.26 |
| 2025-06-24 | Topper James N | Buy | 2.5K | $18.43 |
| 2025-06-16 | Kling Douglas F | Option exercise | 78K | $10.00 |
| 2025-06-16 | Kling Douglas F | Option exercise | 22K | $10.90 |
| 2025-06-16 | Kling Douglas F | Sell | 82K | $19.19 |
| 2025-06-16 | Topper James N | Buy | 8.6K | $19.50 |
| 2025-06-16 | Kling Douglas F | Sell | 18K | $19.75 |
| 2025-06-01 | Marino Michael F III | Grant | 55K | — |
| 2025-06-01 | LANGE LOUIS G | Option exercise | 68 | — |
| 2025-05-15 | Kling Douglas F | Option exercise | 100K | $10.00 |
| 2025-05-15 | Kling Douglas F | Sell | 100K | — |
| 2025-05-01 | LANGE LOUIS G | Option exercise | 69 | — |
| 2025-04-15 | Kling Douglas F | Sell | 910 | — |
| 2025-04-15 | Gulfo Adele M. | Grant | 11K | — |
| 2025-04-15 | Kling Douglas F | Option exercise | 100K | $10.00 |
| 2025-04-15 | Kling Douglas F | Sell | 99K | — |
| 2025-04-14 | LANGE LOUIS G | Option exercise | 69 | — |
| 2025-03-26 | Kling Douglas F | Sell | 17K | — |
| 2025-03-26 | Davidson Michael H. | Grant | 31K | — |
| 2025-03-26 | Davidson Michael H. | Option exercise | 38K | — |
| 2025-03-26 | Davidson Michael H. | Sell | 12K | — |
| 2025-03-26 | LANGE LOUIS G | Option exercise | 3.1K | — |
| 2025-03-26 | Topper James N | Buy | 1.1K | $22.49 |
| 2025-03-26 | Kooij Louise Frederika | Option exercise | 8.3K | — |
| 2025-03-26 | Kastelein Johannes Jacob Pieter | Grant | 19K | — |
| 2025-03-26 | Kastelein Johannes Jacob Pieter | Option exercise | 45K | — |
| 2025-03-26 | Kling Douglas F | Option exercise | 17K | — |
| 2025-03-24 | Kastelein Johannes Jacob Pieter | Option exercise | 150K | — |
| 2025-03-17 | Kling Douglas F | Option exercise | 12K | $10.00 |
| 2025-03-17 | Kling Douglas F | Option exercise | 88K | — |
| 2025-03-17 | Kling Douglas F | Sell | 100K | — |
| 2025-03-04 | Kooij Louise Frederika | Option exercise | 150K | — |
| 2025-03-04 | Topper James N | Buy | 4.0K | $21.02 |
| 2025-03-04 | Kooij Louise Frederika | Sell | 150K | $20.37 |
| 2025-02-19 | Kling Douglas F | Sell | 9.2K | — |
| 2025-02-19 | Kling Douglas F | Option exercise | 9.2K | — |
| 2025-02-18 | Kling Douglas F | Option exercise | 91K | — |
| 2025-02-18 | Kling Douglas F | Sell | 91K | — |
| 2025-01-30 | Kling Douglas F | Option exercise | 14K | — |
| 2025-01-30 | Kling Douglas F | Sell | 4.7K | — |
| 2025-01-30 | Kling Douglas F | Sell | 8.9K | — |
| 2025-01-29 | Kling Douglas F | Sell | 57K | — |
| 2025-01-29 | Kling Douglas F | Option exercise | 57K | — |
| 2025-01-28 | Kling Douglas F | Sell | 5.1K | — |
| 2025-01-28 | Kling Douglas F | Sell | 20K | — |
| 2025-01-28 | Somaiya Mayur Ian | Sell | 11K | — |
| 2025-01-28 | Somaiya Mayur Ian | Option exercise | 15K | $9.26 |
| 2025-01-28 | Kling Douglas F | Option exercise | 25K | — |
| 2025-01-28 | Somaiya Mayur Ian | Sell | 3.4K | — |
| 2025-01-27 | Kling Douglas F | Option exercise | 104K | — |
| 2025-01-27 | Somaiya Mayur Ian | Option exercise | 47K | $9.26 |
| 2025-01-27 | Somaiya Mayur Ian | Sell | 34K | — |
| 2025-01-27 | Somaiya Mayur Ian | Sell | 13K | — |
| 2025-01-27 | Kling Douglas F | Sell | 80K | — |
| 2025-01-27 | Kling Douglas F | Sell | 24K | — |
| 2025-01-07 | Smither John W | Grant | 7.0K | — |
| 2025-01-07 | McKenna Mark C. | Grant | 7.0K | — |
| 2025-01-07 | Lewis William | Grant | 7.0K | — |
| 2025-01-07 | van der Kamp Hilde Johanna | Grant | 7.0K | — |
| 2025-01-07 | LANGE LOUIS G | Grant | 7.0K | — |
| 2025-01-07 | Kooij Louise Frederika | Grant | 15K | — |
| 2025-01-07 | Davidson Michael H. | Grant | 124K | — |
| 2025-01-07 | Kastelein Johannes Jacob Pieter | Grant | 34K | — |
| 2025-01-07 | Audet Juliette Berangere | Grant | 14K | — |
| 2025-01-07 | JONES WILLIAM A JR | Grant | 43K | — |
| 2025-01-07 | Kling Douglas F | Grant | 44K | — |
| 2025-01-07 | Somaiya Mayur Ian | Grant | 38K | — |
| 2024-12-30 | ForGrowth NAP B.V. | Sell | 30K | $25.54 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-03 | Exec/director changeShareholder voteExhibits | filing ↗ |
| 2026-05-07 | ResultsExhibits | filing ↗ |
| 2026-04-24 | Exec/director change | filing ↗ |
| 2026-03-02 | Reg FDExhibits | filing ↗ |
| 2026-02-18 | ResultsExhibits | filing ↗ |
| 2026-01-09 | ResultsReg FDExhibits | filing ↗ |
| 2025-11-05 | ResultsReg FDExhibits | filing ↗ |
| 2025-09-02 | Reg FDExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-03 | 2026-06-02 | 0001193125-26-254615 ↗ |
| 10-Q | 2026-05-07 | 2026-03-31 | 0001193125-26-210272 ↗ |
| 8-K | 2026-05-07 | 2026-05-07 | 0001193125-26-210283 ↗ |
| 8-K | 2026-04-24 | 2026-04-20 | 0001193125-26-177406 ↗ |
| 8-K | 2026-03-02 | 2026-03-02 | 0001193125-26-084266 ↗ |
| 8-K | 2026-02-18 | 2026-02-18 | 0001193125-26-056020 ↗ |
| 10-K | 2026-02-18 | 2025-12-31 | 0001193125-26-056029 ↗ |
| 8-K | 2026-01-09 | 2026-01-09 | 0001193125-26-008300 ↗ |
| 8-K | 2025-11-05 | 2025-11-05 | 0001193125-25-265800 ↗ |
| 10-Q | 2025-11-05 | 2025-09-30 | 0001193125-25-265796 ↗ |
| 8-K | 2025-09-02 | 2025-09-02 | 0000950170-25-112345 ↗ |
| 8-K | 2025-08-18 | 2025-08-18 | 0000950170-25-109567 ↗ |