NewAmsterdam Pharma Company N.V. NAMSW NASDAQ

NASDAQ Capital Marke • Healthcare • Biotechnology • NL • USD

NewAmsterdam Pharma Company N.V. (NAMSW) has 14 détenteurs institutionnels et initiés connus enregistrés. Le plus grand détenteur est ForGrowth NAP B.V. avec 11,831,461 actions. Parmi les autres détenteurs notables Bain Capital Life Sciences Investors, LLC et Topper James N.

Au cours des 12 derniers mois, les initiés ont effectué 39 transactions sur NAMSW l'action — 12 achats (d'une valeur de $12.95M) et 25 ventes (d'une valeur de $39.65M). Les ventes d'initiés ont dépassé les achats durant cette période.

NAMSW Participations des Initiés

Principal Actionnaire

ForGrowth NAP B.V.

11,831,461 actions

Achats (12 mois)

$12.95M valeur

Ventes (12 mois)

$39.65M valeur

Activité de transactions (12 mois)

Acheter 31%

Vendre 64%

Principaux actionnaires initiés

#	Nom	Rôle	Actions détenues	Dernière déclaration	Taille relative
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	Mckenna Mark C.	Director	10,360	2026-01-09	0%
11	Lewis William	Director	10,360	2026-01-09	0%
12	Van Der Kamp Hilde Johanna	Director	10,360	2026-01-09	0%
13	Smither John W	Director	10,360	2026-01-09	0%
14	Lange Louis G	Director	10,360	2026-03-12	0%

Transactions récentes (12 derniers mois)

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