Packaging Corp (NYSE: PKG) EVP awarded 4,213 RSUs and updates holdings

Rhea-AI Filing Summary

PACKAGING CORP OF AMERICA executive vice president of mill operations Charles J. Carter reported an equity compensation award and updated his share holdings. He acquired 4,213 shares of common stock through a grant of restricted stock units, with each unit representing a contingent right to one share. Following this award, he directly holds 42,356 common shares and indirectly holds 6,474 shares through a 401(k) plan.

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^*

Carter Charles J.

(Last) (First) (Middle)

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)
	EVP-Mill Ops.

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)		4,213	A	$0	42,356	D
Common Stock								6,474	I	Through 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 did PKG executive Charles J. Carter report in this Form 4 filing?

Charles J. Carter reported receiving an equity award and updating his holdings. He acquired 4,213 restricted stock units, each convertible into one share of Packaging Corp of America common stock, and disclosed his updated direct and indirect share ownership positions.

How many PKG shares did Charles J. Carter acquire in this transaction?

He acquired 4,213 shares of Packaging Corp of America common stock via a grant of restricted stock units. The award was recorded at a price of $0.00 per share, reflecting stock-based compensation rather than an open-market purchase.

What is Charles J. Carter’s total direct ownership of PKG shares after the award?

After the award, he directly owns 42,356 shares of Packaging Corp of America common stock. This figure reflects his holdings following the grant of 4,213 restricted stock units reported in the Form 4 filing.

Does Charles J. Carter hold PKG shares indirectly through a retirement plan?

Yes. The filing shows he indirectly holds 6,474 shares of Packaging Corp of America common stock through a 401(k) plan. This is in addition to his directly owned shares reported in the same Form 4.

What are the restricted stock units (RSUs) granted to the PKG executive?

The RSUs are stock-based awards issued to the executive. Each restricted stock unit represents a contingent right to receive one share of Packaging Corp of America common stock, as described in the Form 4 footnote.