KOWLZAN MARK W

PrivateCIK: 1247456
Location

LAKE FOREST, IL

KOWLZAN MARK W (Chairman & CEO) sold 5.4% of their position (25K shares) of PACKAGING CORP OF AMERICA on the open market

Open‑market sale worth $5.40M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderKOWLZAN MARK WCIK 1247456
DirectorOfficer· Chairman & CEO
Since Feb 2026
-25K
Net shares
Net seller
$5.40M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
25K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

25K

Price / share

$215.97

Trade value

$5.40M

% of position

5.4%
9/11/2025
462.38K437.38K
Total

Net shares

25K

Net value

-$5.40M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect
Shares owned19.57K

Common Stock

Indirect
Shares owned2.56K
Total
22.13K indirect22.13K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
KOWLZAN MARK W — Insider Transaction (Form 4) Filed Sep 15, 2025 | Finecho