NEWAMSTERDAM PHARMA COMPANY N.V.
6.50%
7,327,937
1936258
N62509109
Aug 17, 2025
Aug 20, 2025, 05:28 PM
Reporting Persons (21)
This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.
| Name | Type | % of Class | Aggregate | Sole Voting | Shared Voting |
|---|---|---|---|---|---|
| James N. Topper | Individual | 6.50% | 7,327,937 | 0 | 7,327,937 |
| FHMLS X, L.P. | Partnership | 6.50% | 7,327,937 | 0 | 7,327,937 |
| Frazier Life Sciences X, L.P. | Partnership | 6.50% | 7,327,937 | 0 | 7,327,937 |
| FHMLS X, L.L.C. | Other | 6.50% | 7,327,937 | 0 | 7,327,937 |
| Patrick J. Heron | Individual | 6.50% | 7,327,937 | 0 | 7,327,937 |
| FHMLSP, L.L.C. | Other | 5.00% | 5,587,957 | 0 | 5,587,957 |
| Frazier Life Sciences Public Fund, L.P. | 5.00% | 5,587,957 | 0 | 5,587,957 | |
| FHMLSP, L.P. | Partnership | 5.00% | 5,587,957 | 0 | 5,587,957 |
| Frazier Lifesciences Sponsor LLC | Other | 3.50% | 3,968,000 | 0 | 3,968,000 |
| FHMLSP Overage, L.P. | Partnership | 2.60% | 2,975,757 | 0 | 2,975,757 |
| FHMLSP Overage, L.L.C. | Other | 2.60% | 2,975,757 | 0 | 2,975,757 |
| Frazier Life Sciences Public Overage Fund, L.P. | Partnership | 2.60% | 2,975,757 | 0 | 2,975,757 |
| Frazier Life Sciences XI, L.P. | Partnership | 1.00% | 1,174,815 | 0 | 1,174,815 |
| FHMLS XI, L.P. | Partnership | 1.00% | 1,174,815 | 0 | 1,174,815 |
| FHMLS XI, L.L.C. | Other | 1.00% | 1,174,815 | 0 | 1,174,815 |
| FHMLS XII, L.L.C. | Other | 0.10% | 59,647 | 0 | 59,647 |
| FHMLS XII, L.P. | Partnership | 0.10% | 59,647 | 0 | 59,647 |
| Frazier Life Sciences XII, L.P. | Partnership | 0.10% | 59,647 | 0 | 59,647 |
| Albert Cha | Individual | 0.00% | 0 | 0 | 0 |
| James Brush | Individual | 0.00% | 0 | 0 | 0 |
| Daniel Estes | Individual | 0.00% | 0 | 0 | 0 |
Disclosure Items (4)
Ordinary Shares, nominal value EUR0.12 per share
NEWAMSTERDAM PHARMA COMPANY N.V.
Gooimeer 2-35, 1411, Naarden, P7, 1411 DC
Item 3 of the Schedule 13D is hereby amended to incorporate Item 5(c) hereof and the following at the end thereof: The working capital of FLS X, Sponsor, FLSPF, FLSPOF, FLS XI and FLS XII was the source of the funds for their respective purchases reported on Exhibit 10.1. No part of the purchase price for such purchases was represented by funds or other consideration borrowed or otherwise obtained for the purpose of such acquisitions.
The information contained in Rows 7, 8, 9, 10, 11, and 13 of each Reporting Person's cover page to this Schedule 13D (including the footnotes thereto) is incorporated by reference into this Item 5. FLS X directly holds 3,026,604 Ordinary Shares and 333,333 warrants ("Warrants") to acquire an equivalent number of Ordinary Shares (collectively, the "FLS X Shares"). FHMLS X, L.P. is the general partner of FLS X and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. Heron and Topper are the members of FHMLS X, L.L.C. and therefore share voting and investment power over the FLS X Shares. Sponsor directly holds 3,801,000 Ordinary Shares and 167,000 Warrants (the "Sponsor Shares"). FLS X is the sole member of Sponsor. FHMLS X, L.P. is the general partner of FLS X and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. Heron and Topper are the members of FHMLS X, L.L.C. and therefore share voting and investment power over the Sponsor Shares. FLSPF directly holds 5,587,957 Ordinary Shares (the "FLSPF Shares"). FHMLSP, L.P. is the general partner of FLSPF and the general partner of FHMLSP, L.P. is FHMLSP, L.L.C., which is managed by an investment committee of four that acts by majority vote. Accordingly, no members of such committee are attributed beneficial ownership of the securities directly held by FLSPF, and this Schedule 13D corrects any previous attribution to, and overstatement of beneficial ownership by, such members as reflected in any prior Statements. FLSPOF directly holds 2,975,757 Ordinary Shares (the "FLSPOF Shares"). FHMLSP Overage, L.P. is the general partner of FLSPOF and the general partner of FHMLSP Overage, L.P. is FHMLSP Overage, L.L.C., which is managed by an investment committee of four that acts by majority vote. Accordingly, no members of such committee are attributed beneficial ownership of the securities directly held by FLSPOF, and this Schedule 13D corrects any previous attribution to, and overstatement of beneficial ownership by, such members as reflected in any prior Statements. FLS XI directly holds 1,174,815 Ordinary Shares (the "FLS XI Shares"). FHMLS XI, L.P. is the general partner of FLS XI and the general partner of FHMLS XI, L.P. is FHMLS XI, L.L.C., which is managed by an investment committee of three that acts by majority vote. Accordingly, no members of such committee are attributed beneficial ownership of the securities directly held by FLS XI, and this Schedule 13D corrects any previous attribution to, and overstatement of beneficial ownership by, such members as reflected in any prior Statements. FLS XII directly holds 59,647 Ordinary Shares (the "FLS XII Shares"). FHMLS XII, L.P. is the general partner of FLS XII and the general partner of FHMLS XII, L.P. is FHMLS XII, L.L.C., which is managed by an investment committee of three that acts by majority vote. Accordingly, no members of such committee are attributed beneficial ownership of the securities directly held by FLS XII. Except as specifically stated herein, the filing of this Schedule 13D shall not be construed as an admission that any Reporting Person or any of the foregoing is, for the purposes of Section 13(d) and/or Section 13(g)
The information contained in Rows 7, 8, 9, 10, 11, and 13 of each Reporting Person's cover page to this Schedule 13D (including the footnotes thereto) is incorporated by reference into this Item 5.
Except as set forth on Exhibit 10.1 of this Schedule 13D, none of the Reporting Persons has effected any transactions relating to the Ordinary Shares during the past 60 days.
No other person is known to have the right to receive or the power to direct the receipt of dividends from, or any proceeds from the sale of, the FLS X Shares, the Sponsor Shares, the FLSPF Shares, the FLSPOF Shares, the FLS XI Shares and the FLS XII Shares beneficially owned by any of the Reporting Persons.
Not applicable.
Exhibit 10.1 Transactions Relating to the Ordinary Shares of the Issuer During the Past Sixty (60) Days Exhibit 99.1 Joint Filing Agreement