AMYLYX PHARMACEUTICALS INC

Ticker: AMLX CUSIP: 03237H101 Class: Common Stock

TCG Crossover Management, LLC's Holding History (CIK: 0001839948)

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

Q4 2025

Shares 6,243,812 Value ($000) $75,425 Avg Close $13.58 Range $11.69 - $16.96

Q3 2025

Shares 6,243,812 Value ($000) $84,853 Avg Close $9.41 Range $5.97 - $15.14

Q2 2025

Shares 5,943,812 Value ($000) $38,100 Avg Close $4.86 Range $3.11 - $6.70

Q1 2025

Shares 5,943,812 Value ($000) $21,041 Avg Close $3.56 Range $2.60 - $4.18

Q4 2024

Shares 4,643,812 Value ($000) $17,554 Avg Close $4.71 Range $2.91 - $7.27

Q3 2024

Shares 4,643,812 Value ($000) $15,046 Avg Close $2.25 Range $1.62 - $3.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,243,812	$75,425	$13.58	$11.69 - $16.96
Q3 2025	6,243,812	$84,853	$9.41	$5.97 - $15.14
Q2 2025	5,943,812	$38,100	$4.86	$3.11 - $6.70
Q1 2025	5,943,812	$21,041	$3.56	$2.60 - $4.18
Q4 2024	4,643,812	$17,554	$4.71	$2.91 - $7.27
Q3 2024	4,643,812	$15,046	$2.25	$1.62 - $3.33