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NewAmsterdam Pharma Co N.V.

For the period ended Jun 30, 2025. Filed Aug 6, 2025.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2025 · Filed Aug 6, 2025

NAMS$18.90+0.1%Stored close · as of Nov 6, 2026

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Other Information

Item 5. Other Information.

Rule 10b5-1 Trading Arrangements

Except as set forth below, during the three months ended June 30, 2025, none of our officers or directors adopted, amended or terminated a “Rule 10b5-1 trading arrangement,” as defined in Item 408(c) of Regulation S-K, each of which is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act.

On April 4, 2025, Ian Somaiya, our Chief Financial Officer, terminated a Rule 10b5-1 trading arrangement for the potential sale of up to 200,000 Ordinary Shares. The arrangement was initially adopted on September 27, 2024.

On June 30, 2025, Michael Davidson, our Chief Executive Officer, modified his previously disclosed Rule 10b5-1 trading arrangement that he initially adopted on March 10, 2025. As modified, the plan provides for the potential sale of up to 750,000 Ordinary Shares, subject to certain price thresholds and other conditions, and will expire on October 30, 2026.

There were no “non-Rule 10b5-1 trading arrangements,” as defined in Item 408(c) of Regulation S-K, entered into orterminated during the three months ended June 30, 2025.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.