IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2025

Shares 38,690 Value ($000) $2,770 Avg Close $81.59 Range $71.38 - $92.21

Q3 2017

Shares 22,980 Value ($000) $4,253 Avg Close $166.10 Range $144.71 - $187.98

Q2 2017

Shares 32,795 Value ($000) $4,759 Avg Close $134.25 Range $116.82 - $149.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	38,690	$2,770	$81.59	$71.38 - $92.21
Q3 2017	22,980	$4,253	$166.10	$144.71 - $187.98
Q2 2017	32,795	$4,759	$134.25	$116.82 - $149.29