Packaging Corp of America (PKG) SVP receives 1,480 RSUs in equity grant

Rhea-AI Filing Summary

Vaughn Joseph reported acquisition or exercise transactions in this Form 4 filing.

PACKAGING CORP OF AMERICA senior vice president Joseph Vaughn reported receiving a grant of 1,480 restricted stock units (RSUs) of common stock on February 25, 2026. Each RSU represents a contingent right to receive one share of common stock and was awarded at $0.00 per share as compensation, not an open-market purchase.

After this award, Vaughn directly holds 11,167 shares of common stock. The filing also reports indirect ownership of 451 shares held through a 401(k) plan, reflecting his combined direct and retirement-plan interests in the company’s stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Vaughn Joseph

(Last) (First) (Middle)

PACKAGING CORP. OF AMERICA

1 N. FIELD CT.

(Street)

LAKE FOREST IL 60045

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PACKAGING CORP OF AMERICA [ PKG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/25/2026		A(1)		1,480	A	$0	11,167	D
Common Stock								451	I	by 401(k) plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units ("RSUs") issued to the reporting person. Each RSU represents a contingent right to receive one share of the registrant's common stock.

	Kent A. Pflederer, attorney in fact	02/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did PKG executive Joseph Vaughn report on this Form 4?

Joseph Vaughn reported receiving a grant of 1,480 restricted stock units (RSUs) of Packaging Corp of America common stock. The RSUs were issued as compensation at $0.00 per share, meaning no cash purchase, and each unit represents a contingent right to one common share.

Is the PKG Form 4 transaction a stock purchase or a grant of RSUs?

The Form 4 shows a grant of restricted stock units, not an open-market stock purchase. Transaction code A indicates a grant, award, or other acquisition, with 1,480 RSUs issued at $0.00 per share as part of Joseph Vaughn’s equity compensation.

How many PKG shares does Joseph Vaughn own after the reported RSU grant?

After the RSU grant, Joseph Vaughn directly owns 11,167 shares of Packaging Corp of America common stock. The filing also discloses 451 additional shares held indirectly through a 401(k) plan, reflecting his combined direct and retirement-plan exposure to the company’s equity.

What does each PKG restricted stock unit granted to Joseph Vaughn represent?

Each restricted stock unit granted to Joseph Vaughn represents a contingent right to receive one share of Packaging Corp of America common stock. These RSUs are typically subject to vesting conditions, although specific vesting terms are not detailed in the provided information.

How is Joseph Vaughn’s indirect ownership in PKG stock held according to the Form 4?

The Form 4 shows Joseph Vaughn’s indirect ownership as 451 shares of Packaging Corp of America common stock held through a 401(k) plan. This indicates retirement-plan holdings separate from his directly owned 11,167 shares reported after the restricted stock unit grant.