NewAmsterdam Pharma Company N.V. (NAMS) Insider Trading Activity

NASDAQ$36.3185+1.08 (3.06%)
Market Cap
$4B
Sector
Healthcare
Industry
Biotechnology
Rank in Sector
210 of 885
Rank in Industry
117 of 507

NAMS Insider Trading Activity

NAMS Median Price and Trade Amounts History Chart

Statistics of Insider Transactions

Amount of Insider Buys and Sells

Buys
$404,991
8
22
Sells
$35,428,772
29
78

Related Transactions

Topper James Ndirector
8
$404,991
0
$0
$404,991
Davidson Michael H.Chief Executive Officer
0
$0
2
$0
$0
Kastelein Johannes Jacob PieterChief Scientific Officer
0
$0
3
$2.67M
$-2.67M
Somaiya Mayur IanChief Financial Officer
0
$0
3
$3.43M
$-3.43M
Kling Douglas FChief Operating Officer
0
$0
9
$11.7M
$-11.7M
Kooij Louise FrederikaChief Accounting Officer
0
$0
12
$17.62M
$-17.62M

About NewAmsterdam Pharma Company N.V.

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.

Insider Activity of NewAmsterdam Pharma Company N.V.

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.

List of Insider Buy and Sell Transactions, NewAmsterdam Pharma Company N.V.

2026-01-28SaleKooij Louise FrederikaChief Accounting Officer
32,612
0.028%
$31.80
$1.04M
+2.51%
2026-01-27SaleKooij Louise FrederikaChief Accounting Officer
39,816
0.0351%
$32.62
$1.3M
-0.71%
2026-01-26SaleKooij Louise FrederikaChief Accounting Officer
34,400
0.0307%
$32.78
$1.13M
-0.97%
2026-01-23SaleKooij Louise FrederikaChief Accounting Officer
38,172
0.0341%
$33.75
$1.29M
-5.39%
2026-01-21SaleSomaiya Mayur IanChief Financial Officer
39,784
0.0347%
$33.59
$1.34M
-3.11%
2026-01-20SaleSomaiya Mayur IanChief Financial Officer
60,216
0.0524%
$31.96
$1.92M
+1.82%
2026-01-07SaleDavidson Michael H.Chief Executive Officer
11,582
–
$0
$0
-7.79%
2026-01-05SaleKastelein Johannes Jacob PieterChief Scientific Officer
6,000
0.0053%
$33.25
$199,500
-2.12%
2026-01-05SaleSomaiya Mayur IanChief Financial Officer
5,118
0.0045%
$33.25
$170,174
-2.12%
2026-01-05SaleKooij Louise FrederikaChief Accounting Officer
2,647
0.0023%
$33.25
$88,013
-2.12%
2025-12-26SaleKooij Louise FrederikaChief Accounting Officer
43,872
0.0387%
$35.30
$1.55M
-4.47%
2025-12-24SaleKooij Louise FrederikaChief Accounting Officer
26,011
0.023%
$35.68
$928,072
-4.88%
2025-12-23SaleKooij Louise FrederikaChief Accounting Officer
75,117
0.0658%
$36.21
$2.72M
-5.63%
2025-09-15PurchaseTopper James Ndirector
660
0.0006%
$23.70
$15,639
+45.75%
2025-09-09SaleKooij Louise FrederikaChief Accounting Officer
150,000
0.1293%
$25.83
$3.87M
+31.77%
2025-09-08PurchaseTopper James Ndirector
1,260
0.0011%
$24.99
$31,487
+39.58%
2025-09-03SaleKooij Louise FrederikaChief Accounting Officer
18,073
0.0162%
$25.09
$453,452
+40.68%
2025-08-25SaleKooij Louise FrederikaChief Accounting Officer
8,269
0.0073%
$24.86
$205,567
+40.51%
2025-08-22SaleKastelein Johannes Jacob PieterChief Scientific Officer
50,000
0.0446%
$25.14
$1.26M
+38.68%
2025-08-21SaleKastelein Johannes Jacob PieterChief Scientific Officer
50,000
0.0441%
$24.29
$1.21M
+41.76%
Total: 70
*Gray background shows transactions not older than one year

Insider Historical Profitability

10.35%
Topper James Ndirector
3028524
2.6709%
$106.73M90
<0.0001%
Davidson Michael H.Chief Executive Officer
378859
0.3341%
$13.35M22
+16.5%
Kastelein Johannes Jacob PieterChief Scientific Officer
73481
0.0648%
$2.59M04
Somaiya Mayur IanChief Financial Officer
58382
0.0515%
$2.06M06
Kling Douglas FChief Operating Officer
44000
0.0388%
$1.55M013
Kooij Louise FrederikaChief Accounting Officer
24353
0.0215%
$858,199.72013
ForGrowth NAP B.V.10 percent owner
10656172
9.3977%
$375.52M019
LANGE LOUIS Gdirector
24878
0.0219%
$876,700.7210
<0.0001%
Audet Juliette BerangereChief Business Officer
1104
0.001%
$38,904.9610
+32.82%
*Gray background shows insiders who have made transactions during last year

Historical Insider Profitability vs. Competitors

$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

NAMS Institutional Investors: Active Positions

Increased Positions100+67.11%13M+10.58%
Decreased Positions62-41.61%9M-7.21%
New Positions50New3MNew
Sold Out Positions16Sold Out937,793Sold Out
Total Postitions187+25.5%123M+3.37%

NAMS Ownership Change vs Market

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
Frazier Life Sciences Management, L.P.$587,909.0014.78%16.7M+94,882+0.57%2025-09-30
Bain Capital Life Sciences Investors, Llc$377,313.009.49%10.72M00%2025-09-30
Ra Capital Management, L.P.$356,891.008.97%10.14M00%2025-09-30
Capital World Investors$345,759.008.69%9.82M+1M+17.11%2025-09-30
Fcpm Iii Services B.V.$324,276.008.15%9.21M-1M-13.35%2025-09-30
Viking Global Investors Lp$227,939.005.73%6.48M-503,000-7.21%2025-09-30
Fmr Llc$194,842.004.9%5.54M+4M+190.63%2025-09-30
Deerfield Management Company, L.P.$150,188.003.78%4.27M-849,260-16.6%2025-09-30
Jennison Associates Llc$147,789.003.72%4.2M+1M+42.51%2025-09-30
Wellington Management Group Llp$141,508.003.56%4.02M+697,129+20.98%2025-09-30

Financial Ratios

Summary
Comparison with Competitors

Price to Earnings

Price/Earnings to Growth

Price to Sales

Price to Book

Price/Free Cash Flow

Analyst Recommendations

Analyst Price Targets

Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.