NewAmsterdam Pharma Company N.V. NAMSW NASDAQ

NASDAQ Capital Marke • Healthcare • Biotechnology • NL • USD

NewAmsterdam Pharma Company N.V. (NAMSW) has 14 tenedores institucionales e internos conocidos registrados. El mayor tenedor es ForGrowth NAP B.V. con 11,831,461 acciones. Otros tenedores destacados incluyen Bain Capital Life Sciences Investors, LLC y Topper James N.

En los últimos 12 meses, los internos han realizado 39 transacciones en NAMSW acciones — 12 compras (valoradas en $12.95M) y 25 ventas (valoradas en $39.65M). Las ventas internas han superado las compras durante este período.

NAMSW Participación de Insiders

Principal Titular

ForGrowth NAP B.V.

11,831,461 acciones

Compras (12 meses)

$12.95M valor

Ventas (12 meses)

$39.65M valor

Actividad de Transacciones (12 meses)

Comprar 31%

Vender 64%

Principales Titulares Internos

#	Nombre	Cargo	Acciones en Propiedad	Última Declaración	Tamaño Relativo
1	Forgrowth Nap B.v.	10 Percent Owner	11,831,461	2024-01-02	100%
2	Bain Capital Life Sciences Investors, Llc	10 Percent Owner	10,473,913	2023-12-29	89%
3	Topper James N	Director	3,028,524	2025-09-17	26%
4	Kling Douglas F	Chief Operating Officer	323,771	2024-01-03	3%
5	Davidson Michael H.	Chief Executive Officer	174,144	2026-03-02	1%
6	Kastelein Johannes Jacob Pieter	Chief Scientific Officer	69,302	2026-03-09	1%
7	Somaiya Mayur Ian	Chief Financial Officer	58,382	2026-01-22	0%
8	Kooij Louise Frederika	Chief Accounting Officer	24,353	2026-01-29	0%
9	Gulfo Adele M.	Director	14,260	2026-01-09	0%
10	Lange Louis G	Director	10,360	2026-03-12	0%
11	Mckenna Mark C.	Director	10,360	2026-01-09	0%
12	Lewis William	Director	10,360	2026-01-09	0%
13	Van Der Kamp Hilde Johanna	Director	10,360	2026-01-09	0%
14	Smither John W	Director	10,360	2026-01-09	0%

Transacciones Recientes (últimos 12 meses)

Fecha	Nombre	Cargo	Tipo	Acciones	Precio	Valor
2026-03-11	Lange Louis G	Director	Venta Informativa	446	$31.23	$13.93K
2026-03-09	Lange Louis G	Director	Ejercicio de Opciones (ITM)	44,619	$11.50	$513.12K
2026-03-06	Lange Louis G	Director	Venta Informativa	28,186	$29.41	$828.95K
2026-03-09	Kastelein Johannes Jacob Pieter	Chief Scientific Officer	Venta Informativa	101,409	$30.29	$3.07M
2026-03-06	Kastelein Johannes Jacob Pieter	Chief Scientific Officer	Venta Informativa	94,124	$30.32	$2.85M
2026-03-05	Kastelein Johannes Jacob Pieter	Chief Scientific Officer	Venta Informativa	104,467	$30.30	$3.17M
2026-03-02	Davidson Michael H.	Chief Executive Officer	Venta Informativa	443,707	$33.25	$14.75M
2026-02-26	Davidson Michael H.	Chief Executive Officer	Venta Informativa	17,924	$34.44	$617.3K
2026-02-25	Davidson Michael H.	Chief Executive Officer	Venta Informativa	1,300	$36.68	$47.68K
2026-02-24	Davidson Michael H.	Chief Executive Officer	Venta Informativa	3,161	$36.46	$115.25K
2026-02-20	Kastelein Johannes Jacob Pieter	Chief Scientific Officer	Venta Informativa	30,789	$35.46	$1.09M
2026-01-28	Kooij Louise Frederika	Chief Accounting Officer	Venta Informativa	32,612	$31.80	$1.04M
2026-01-27	Kooij Louise Frederika	Chief Accounting Officer	Venta Informativa	39,816	$32.62	$1.3M
2026-01-26	Kooij Louise Frederika	Chief Accounting Officer	Venta Informativa	309	$33.45	$10.34K
2026-01-23	Kooij Louise Frederika	Chief Accounting Officer	Venta Informativa	12,767	$34.37	$438.8K
2026-01-21	Somaiya Mayur Ian	Chief Financial Officer	Venta Informativa	24,362	$33.80	$823.44K
2026-01-20	Somaiya Mayur Ian	Chief Financial Officer	Venta Informativa	19,604	$32.38	$634.78K
2026-01-07	Van Der Kamp Hilde Johanna	Director	Concesión de RSU	3,400	-	-
2026-01-07	Mckenna Mark C.	Director	Concesión de RSU	3,400	-	-
2026-01-07	Gulfo Adele M.	Director	Concesión de RSU	3,400	-	-
2026-01-07	Davidson Michael H.	Chief Executive Officer	Concesión de RSU	364,000	$35.45	$12.9M
2026-01-07	Smither John W	Director	Concesión de RSU	3,400	-	-
2026-01-07	Lewis William	Director	Concesión de RSU	3,400	-	-
2026-01-07	Lange Louis G	Director	Concesión de RSU	3,400	-	-
2026-01-07	Kooij Louise Frederika	Chief Accounting Officer	Concesión de RSU	12,000	-	-