IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

Great Diamond Partners, LLC's Holding History (CIK: 0001801112)

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

Q4 2021

Shares 1,310 Value ($000) $225 Avg Close $165.18 Range $151.27 - $180.54

Q3 2021

Shares 1,308 Value ($000) $207 Avg Close $183.72 Range $158.39 - $220.51

Q2 2021

Shares 960 Value ($000) $202 Avg Close $210.53 Range $182.15 - $241.43

Q1 2021

Shares 1,052 Value ($000) $221 Avg Close $227.23 Range $197.09 - $262.55

Q4 2020

Shares 1,030 Value ($000) $230 Avg Close $200.31 Range $167.88 - $227.09

Q4 2019

Shares 854 Value ($000) $123 Avg Close $139.20 Range $122.74 - $153.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	1,310	$225	$165.18	$151.27 - $180.54
Q3 2021	1,308	$207	$183.72	$158.39 - $220.51
Q2 2021	960	$202	$210.53	$182.15 - $241.43
Q1 2021	1,052	$221	$227.23	$197.09 - $262.55
Q4 2020	1,030	$230	$200.31	$167.88 - $227.09
Q4 2019	854	$123	$139.20	$122.74 - $153.51