AMYLYX PHARMACEUTICALS INC

Ticker: AMLX CUSIP: 03237H101 Class: Common Stock

Vanguard Personalized Indexing Management, LLC's Holding History (CIK: 0001767306)

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

Q4 2025

Shares 20,840 Value ($000) $252 Avg Close $13.58 Range $11.69 - $16.96

Q3 2025

Shares 21,101 Value ($000) $287 Avg Close $9.41 Range $5.97 - $15.14

Q2 2025

Shares 21,123 Value ($000) $135 Avg Close $4.86 Range $3.11 - $6.70

Q1 2025

Shares 21,756 Value ($000) $77 Avg Close $3.56 Range $2.60 - $4.18

Q4 2024

Shares 17,724 Value ($000) $67 Avg Close $4.71 Range $2.91 - $7.27

Q3 2024

Shares 16,592 Value ($000) $54 Avg Close $2.25 Range $1.62 - $3.33

Q2 2024

Shares 11,741 Value ($000) $22 Avg Close $1.94 Range $1.57 - $2.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,840	$252	$13.58	$11.69 - $16.96
Q3 2025	21,101	$287	$9.41	$5.97 - $15.14
Q2 2025	21,123	$135	$4.86	$3.11 - $6.70
Q1 2025	21,756	$77	$3.56	$2.60 - $4.18
Q4 2024	17,724	$67	$4.71	$2.91 - $7.27
Q3 2024	16,592	$54	$2.25	$1.62 - $3.33
Q2 2024	11,741	$22	$1.94	$1.57 - $2.89