NEWAMSTERDAM PHARMA COMPANY

Ticker: NAMS CUSIP: N62509109 Class: Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2025

Shares 3,372 Value ($000) $0 Avg Close $23.97 Range $17.97 - $28.91

Q2 2025

Shares 5,604 Value ($000) $0 Avg Close $18.24 Range $14.06 - $22.25

Q1 2025

Shares 2,528 Value ($000) $0 Avg Close $22.23 Range $17.18 - $26.80

Q4 2024

Shares 1,074 Value ($000) $0 Avg Close $21.24 Range $15.51 - $27.29

Q3 2024

Shares 62 Value ($000) $0 Avg Close $17.30 Range $15.19 - $21.48

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,372	$0	$23.97	$17.97 - $28.91
Q2 2025	5,604	$0	$18.24	$14.06 - $22.25
Q1 2025	2,528	$0	$22.23	$17.18 - $26.80
Q4 2024	1,074	$0	$21.24	$15.51 - $27.29
Q3 2024	62	$0	$17.30	$15.19 - $21.48