ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

West Tower Group, LLC's Holding History (CIK: 0001965819)

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

Q4 2023

Shares 567 Value ($000) $16 Avg Close $25.98 Range $22.01 - $29.02

Q3 2023

Shares 1,827 Value ($000) $51 Avg Close $29.32 Range $25.68 - $32.57

Q2 2023

Shares 193 Value ($000) $6 Avg Close $30.28 Range $27.68 - $33.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	567	$16	$25.98	$22.01 - $29.02
Q3 2023	1,827	$51	$29.32	$25.68 - $32.57
Q2 2023	193	$6	$30.28	$27.68 - $33.71