NEWAMSTERDAM PHARMA COMPANY

Ticker: NAMS CUSIP: N62509109 Class: Stock

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q4 2025

Shares 557,194 Value ($000) $19,546 Avg Close $36.39 Range $28.19 - $42.00

Q3 2025

Shares 595,929 Value ($000) $16,948 Avg Close $23.97 Range $17.97 - $28.91

Q2 2025

Shares 536,111 Value ($000) $9,709 Avg Close $18.24 Range $14.06 - $22.25

Q1 2025

Shares 536,111 Value ($000) $10,974 Avg Close $22.23 Range $17.18 - $26.80

Q4 2024

Shares 767,522 Value ($000) $19,725 Avg Close $21.24 Range $15.51 - $27.29

Q3 2024

Shares 353,319 Value ($000) $5,865 Avg Close $17.30 Range $15.19 - $21.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	557,194	$19,546	$36.39	$28.19 - $42.00
Q3 2025	595,929	$16,948	$23.97	$17.97 - $28.91
Q2 2025	536,111	$9,709	$18.24	$14.06 - $22.25
Q1 2025	536,111	$10,974	$22.23	$17.18 - $26.80
Q4 2024	767,522	$19,725	$21.24	$15.51 - $27.29
Q3 2024	353,319	$5,865	$17.30	$15.19 - $21.48