BCLS II Investco, LP → NewAmsterdam Pharma Co N.V. NAMSW

Stake: 9.99% Shares: 11,422,504 CUSIP: N62509109 Class: Ordinary Shares, nominal value Euro 0.12 per share

Item 4 — Purpose of Transaction

Item 4 of the Initial Statement is hereby amended and supplemented to add the following: Nicholas Downing resigned from the Issuer's Board of Directors and its committees, effective as of November 5, 2025.

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 1.00

42 shares short · +2.4% vs prior

Institutional Consensus · 2026-03-31

Held by elite portfolio managers

2 holders · $134.65M

Duquesne Family OfficeViking Global

Post-Filing Returns · since 2025-11-05 on NAMSW

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 24.89 on closest trading day on/after 2025-11-05. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on NewAmsterdam Pharma Co N.V.

Filed	Form	Filer	Stake	Shares
2026-05-14	SCHEDULE 13D/A	BCLS II Investco, LP	—	2,059,896	view →
2025-09-30	SCHEDULE	Forbion Capital Fund IV Cooperatief U.A.	8.30%	9,316,914	view →
2023-07-07	SC	Forbion Capital Fund IV Cooperatief U.A.	—	—	view →
2023-06-13	SC	BCLS II Investco, LP	—	—	view →

Other Filings by BCLS II Investco, LP

Filed	Form	Issuer	Stake	Shares
2026-05-14	SCHEDULE 13D/A	NewAmsterdam Pharma Company N.V. NAMSW	—	2,059,896	view →
2023-06-13	SC	NewAmsterdam Pharma Co N.V. NAMSW	—	—	view →

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