Mark W. Kowlzan

CIK: 0001247456

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (27.8%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)8 (44.4%)

Compensation grants

Other (G, F, J, C, D, …)5 (27.8%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

PKG

PACKAGING CORP OF AMERICA

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (18 total)

PKG
PACKAGING CORP OF AMERICA
May 27, 2026
Sale(S)
Direct
9.3K shares at avg. $217.08$2.0M
PKG
PACKAGING CORP OF AMERICA
Mar 6, 2026
Tax Payment(F)
Direct
8K shares at avg. $222.52$1.8M
PKG
PACKAGING CORP OF AMERICA
Mar 6, 2026
Award(A)
Direct
1.5K shares-
PKG
PACKAGING CORP OF AMERICA
Mar 6, 2026
Award(A)
Direct
16.6K shares-
PKG
PACKAGING CORP OF AMERICA
Feb 25, 2026
Award(A)
Direct
17K shares-
PKG
PACKAGING CORP OF AMERICA
Feb 23, 2026
Tax Payment(F)
Direct
7.4K shares at avg. $225.55$1.7M
PKG
PACKAGING CORP OF AMERICA
Sep 11, 2025
Sale(S)
Direct
25K shares at avg. $215.97$5.4M
PKG
PACKAGING CORP OF AMERICA
Apr 4, 2025
Award(A)
Direct
2.4K shares-
PKG
PACKAGING CORP OF AMERICA
Apr 4, 2025
Award(A)
Direct
27.6K shares-
PKG
PACKAGING CORP OF AMERICA
Apr 4, 2025
Tax Payment(F)
Direct
13.3K shares at avg. $183.42$2.4M
PKG
PACKAGING CORP OF AMERICA
Mar 4, 2025
Tax Payment(F)
Direct
9.3K shares at avg. $202.27$1.9M
PKG
PACKAGING CORP OF AMERICA
Mar 4, 2025
Award(A)
Direct
1.8K shares-
PKG
PACKAGING CORP OF AMERICA
Mar 4, 2025
Award(A)
Direct
19.2K shares-
PKG
PACKAGING CORP OF AMERICA
Feb 26, 2025
Award(A)
Direct
18K shares-
PKG
PACKAGING CORP OF AMERICA
Feb 24, 2025
Tax Payment(F)
Direct
7.5K shares at avg. $209.74$1.6M
PKG
PACKAGING CORP OF AMERICA
Nov 8, 2024
Sale(S)
Direct
27K shares at avg. $240.34$6.5M
PKG
PACKAGING CORP OF AMERICA
Nov 7, 2024
Sale(S)
Direct
36.4K shares at avg. $239.54$8.7M
PKG
PACKAGING CORP OF AMERICA
Nov 6, 2024
Sale(S)
Direct
3.2K shares at avg. $243.01$769K

		Type	Shares	Price		Ownership
May 27, 2026	PKG PACKAGING CORP OF AMERICA	Sale(S)	9,266	$217.08	$2,011,426	Direct
Mar 6, 2026	PKG PACKAGING CORP OF AMERICA	Tax Payment(F)	8,025	$222.52	$1,785,723	Direct
Mar 6, 2026	PKG PACKAGING CORP OF AMERICA	Award(A)	1,476	-	$0	Direct
Mar 6, 2026	PKG PACKAGING CORP OF AMERICA	Award(A)	16,637	-	$0	Direct
Feb 25, 2026	PKG PACKAGING CORP OF AMERICA	Award(A)	16,992	-	$0	Direct
Feb 23, 2026	PKG PACKAGING CORP OF AMERICA	Tax Payment(F)	7,371	$225.55	$1,662,529	Direct
Sep 11, 2025	PKG PACKAGING CORP OF AMERICA	Sale(S)	25,000	$215.97	$5,399,250	Direct
Apr 4, 2025	PKG PACKAGING CORP OF AMERICA	Award(A)	2,404	-	-	Direct
Apr 4, 2025	PKG PACKAGING CORP OF AMERICA	Award(A)	27,559	-	-	Direct
Apr 4, 2025	PKG PACKAGING CORP OF AMERICA	Tax Payment(F)	13,274	$183.42	$2,434,717	Direct
Mar 4, 2025	PKG PACKAGING CORP OF AMERICA	Tax Payment(F)	9,293	$202.27	$1,879,695	Direct
Mar 4, 2025	PKG PACKAGING CORP OF AMERICA	Award(A)	1,779	-	-	Direct
Mar 4, 2025	PKG PACKAGING CORP OF AMERICA	Award(A)	19,195	-	-	Direct
Feb 26, 2025	PKG PACKAGING CORP OF AMERICA	Award(A)	17,993	-	-	Direct
Feb 24, 2025	PKG PACKAGING CORP OF AMERICA	Tax Payment(F)	7,460	$209.74	$1,564,660	Direct
Nov 8, 2024	PKG PACKAGING CORP OF AMERICA	Sale(S)	27,031	$240.34	$6,496,658	Direct
Nov 7, 2024	PKG PACKAGING CORP OF AMERICA	Sale(S)	36,444	$239.54	$8,729,901	Direct
Nov 6, 2024	PKG PACKAGING CORP OF AMERICA	Sale(S)	3,165	$243.01	$769,123	Direct

1-18 of 18 transactions

About KOWLZAN MARK W

KOWLZAN MARK W (SEC CIK 0001247456) files insider reports with the SEC as Chairman & CEO of PACKAGING CORP OF AMERICA (PKG).

Signal8 holds 10 ownership filings by KOWLZAN MARK W, all Form 4s, filed between Nov 8, 2024 and May 28, 2026. Those filings report 18 transactions, from Nov 6, 2024 to May 27, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on KOWLZAN MARK W's filings is in LAKE FOREST, IL.

Recent filings by KOWLZAN MARK W

May 27, 2026: Open-market sale of PKG shares (Form 4, code S).
Mar 6, 2026: Tax withholding of PKG shares (Form 4, code F).
Mar 6, 2026: Grants or awards of PKG shares (2 lines, Form 4, code A).
Feb 25, 2026: Grant or award of PKG shares (Form 4, code A).
Feb 23, 2026: Tax withholding of PKG shares (Form 4, code F).

Other insiders filing for PACKAGING CORP OF AMERICA (PKG)

Shirley Donald R., Exec. VP
Hassfurther Thomas A, President
MENCOFF SAMUEL M, Director
SOULELES THOMAS S, Director
LYONS ROBERT C, Director
Harman Donna A., Director

How to read Form 4 transaction codes