AMYLYX PHARMACEUTICALS INC

Ticker: AMLX CUSIP: 03237H101 Class: Common Stock

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q4 2023

Shares 802,610 Value ($000) $11,814 Avg Close $15.33 Range $11.82 - $18.88

Q3 2023

Shares 838,572 Value ($000) $15,354 Avg Close $21.15 Range $17.80 - $25.48

Q2 2023

Shares 831,808 Value ($000) $17,942 Avg Close $27.01 Range $20.79 - $31.77

Q1 2023

Shares 972,835 Value ($000) $28,543 Avg Close $34.74 Range $26.64 - $41.93

Q4 2022

Shares 836,909 Value ($000) $30,924 Avg Close $35.49 Range $28.13 - $39.77

Q3 2022

Shares 601,226 Value ($000) $16,925 Avg Close $24.95 Range $15.80 - $32.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	802,610	$11,814	$15.33	$11.82 - $18.88
Q3 2023	838,572	$15,354	$21.15	$17.80 - $25.48
Q2 2023	831,808	$17,942	$27.01	$20.79 - $31.77
Q1 2023	972,835	$28,543	$34.74	$26.64 - $41.93
Q4 2022	836,909	$30,924	$35.49	$28.13 - $39.77
Q3 2022	601,226	$16,925	$24.95	$15.80 - $32.80