AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q2 2024

Shares 8,200 Value ($000) $1,166 Avg Close $115.29 Range $93.77 - $145.70

Q2 2023

Shares 3,000 Value ($000) $550 Avg Close $143.96 Range $105.28 - $186.68

Q1 2023

Shares 9,000 Value ($000) $1,199 Avg Close $117.49 Range $76.97 - $136.38

Q4 2022

Shares 20,750 Value ($000) $1,647 Avg Close $70.45 Range $49.78 - $88.73

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2024	8,200	$1,166	$115.29	$93.77 - $145.70
Q2 2023	3,000	$550	$143.96	$105.28 - $186.68
Q1 2023	9,000	$1,199	$117.49	$76.97 - $136.38
Q4 2022	20,750	$1,647	$70.45	$49.78 - $88.73