NEWAMSTERDAM PHARMA COMPANY

Ticker: NAMS CUSIP: N62509109 Class: Stock

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 248,528 Value ($000) $8,718 Avg Close $36.39 Range $28.19 - $42.00

Q3 2025

Shares 36,384 Value ($000) $1,035 Avg Close $23.97 Range $17.97 - $28.91

Q1 2025

Shares 29,569 Value ($000) $605 Avg Close $22.23 Range $17.18 - $26.80

Q4 2024

Shares 29,871 Value ($000) $768 Avg Close $21.24 Range $15.51 - $27.29

Q3 2024

Shares 23,922 Value ($000) $397 Avg Close $17.30 Range $15.19 - $21.48

Q2 2024

Shares 24,385 Value ($000) $468 Avg Close $20.06 Range $16.62 - $24.79

Q1 2024

Shares 24,466 Value ($000) $579 Avg Close $20.30 Range $11.18 - $26.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	248,528	$8,718	$36.39	$28.19 - $42.00
Q3 2025	36,384	$1,035	$23.97	$17.97 - $28.91
Q1 2025	29,569	$605	$22.23	$17.18 - $26.80
Q4 2024	29,871	$768	$21.24	$15.51 - $27.29
Q3 2024	23,922	$397	$17.30	$15.19 - $21.48
Q2 2024	24,385	$468	$20.06	$16.62 - $24.79
Q1 2024	24,466	$579	$20.30	$11.18 - $26.35