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$NAMS All transactions

NewAmsterdam Pharma Co N.V.

▲ BUY
5 / 10

Conviction

$ Value

$167K

Shares

8,584

Price

$19

Filed

Jun 18

Why this score? (5/10)
  • Open market buy (+3)
  • Director (+1)
  • Not a 10b5-1 plan (+1)

Insider

Name

Topper James N

Title

CIK

0001341382

Roles

Director

Transaction Details

Transaction Date

2025-06-16

Code

P

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

3,022,153

Footnotes

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $19.20 to $19.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4. | The shares are held directly by Frazier Life Sciences X, L.P. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. The Reporting Person is one of two managing members of FHMLS X, L.L.C. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. | The shares are held directly by Frazier Lifesciences Sponsor LLC. The sole member of Frazier Lifesciences Sponsor LLC is Frazier Life Sciences X, L.P. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. The Reporting Person is one of two managing members of FHMLS X, L.L.C. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Filing Info

Accession No.

0001415889-25-017693

Form Type

4

Issuer CIK

0001936258

Topper James N's History

Date Ticker Type Value
2025-09-15 NAMS $16K
2025-09-08 NAMS $31K
2025-08-11 NAMS $11K
2025-06-25 NAMS $23K
2025-06-24 NAMS $46K
2025-06-16 NAMS $167K
2025-06-03 PHAT A $0
2025-06-03 PHAT A $0
2025-05-21 PHAT $15K
2025-05-14 PHAT $21K

Other Insiders at NAMS (90d)

Insider Bought Sold Last
Kooij Louise Frederika
Chief Accounting Officer
$4.8M 2026-01-28