PACKAGING CORP AMER

Ticker: PKG CUSIP: 695156109 Class: COM

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

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

Q4 2025

Shares 1,394 Value ($000) $287 Avg Close $202.35 Range $190.33 - $217.23

Q3 2025

Shares 2,998 Value ($000) $653 Avg Close $204.01 Range $186.79 - $217.69

Q2 2025

Shares 2,830 Value ($000) $533 Avg Close $185.78 Range $169.57 - $198.77

Q1 2025

Shares 2,655 Value ($000) $526 Avg Close $208.39 Range $186.56 - $236.70

Q4 2019

Shares 48 Value ($000) $5 Avg Close $91.47 Range $83.26 - $95.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,394	$287	$202.35	$190.33 - $217.23
Q3 2025	2,998	$653	$204.01	$186.79 - $217.69
Q2 2025	2,830	$533	$185.78	$169.57 - $198.77
Q1 2025	2,655	$526	$208.39	$186.56 - $236.70
Q4 2019	48	$5	$91.47	$83.26 - $95.05