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Packaging Corp (NYSE: PKG) Exec VP gains shares as 200% TSR units vest

Filing Impact
(Very High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

PACKAGING CORP OF AMERICA Executive VP Donald R. Shirley received equity compensation tied to performance goals. On March 27, 2026, he acquired 6,254 shares of common stock when TSR performance units granted on February 22, 2023 paid out at 200% of the performance measure. He also acquired 478 shares as a payout of accumulated dividend equivalents on the vesting performance units.

To cover related withholding tax obligations, the company withheld 2,650 shares at a price of $212.25 per share under its Long-Term Equity Incentive Plan, which is a tax-withholding disposition rather than an open-market sale. Following these transactions, Shirley holds 31,110 shares of common stock directly and 6,482 shares indirectly through a 401(k) plan.

Positive

  • None.

Negative

  • None.
Insider Shirley Donald R.
Role Exec. VP
Type Security Shares Price Value
Grant/Award Common Stock 6,254 $0.00 --
Grant/Award Common Stock 478 $0.00 --
Tax Withholding Common Stock 2,650 $212.25 $562K
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 33,282 shares (Direct); Common Stock — 6,482 shares (Indirect, by 401(k) plan)
Footnotes (1)
  1. On March 27, 2026, the compensation subcommittee of the compensation committee of the registrant's board of directors certified attainment of the performance measure under the TSR performance units awarded to the reporting person on February 22, 2023. Performance was achieved at 200%. The units paid out on the date of certification. Payout in shares of accumulated dividends on vesting performance units. Pursuant to the terms of the Company's Long-Term Equity Incentive Plan, the Company withheld shares to cover the withholding tax obligation associated with equity awards vesting on the transaction date.
TSR performance units payout 6,254 shares Common stock from TSR performance units certified March 27, 2026
Dividend equivalent shares 478 shares Payout in shares of accumulated dividends on vesting units
Tax withholding shares 2,650 shares Shares withheld to cover tax obligations on vesting awards
Withholding price $212.25 per share Value used for shares withheld to satisfy taxes
Direct holdings after transaction 31,110 shares Direct common stock ownership following reported transactions
401(k) holdings after transaction 6,482 shares Indirect ownership via 401(k) plan as of March 27, 2026
Performance attainment 200% Certified attainment of TSR performance measure for 2023 units
TSR performance units financial
"the TSR performance units awarded to the reporting person on February 22, 2023"
Long-Term Equity Incentive Plan financial
"Pursuant to the terms of the Company's Long-Term Equity Incentive Plan, the Company withheld shares"
withheld shares financial
"the Company withheld shares to cover the withholding tax obligation associated with equity awards"
withholding tax obligation financial
"to cover the withholding tax obligation associated with equity awards vesting on the transaction date"
401(k) plan financial
"total shares following transaction 6,482, indirect, nature of ownership by 401(k) plan"
A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.
SEC Form 4
FORM 4UNITED 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
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
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*
Shirley Donald R.

(Last)(First)(Middle)
1 N. FIELD CT

(Street)
LAKE FOREST ILLINOIS 60045

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
PACKAGING CORP OF AMERICA [ PKG ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Exec. VP
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
03/27/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock03/27/2026A(1)6,254A$033,282D
Common Stock03/27/2026A(2)478A$033,760D
Common Stock03/27/2026F(3)2,650D$212.2531,110D
Common Stock6,482Iby 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. On March 27, 2026, the compensation subcommittee of the compensation committee of the registrant's board of directors certified attainment of the performance measure under the TSR performance units awarded to the reporting person on February 22, 2023. Performance was achieved at 200%. The units paid out on the date of certification.
2. Payout in shares of accumulated dividends on vesting performance units.
3. Pursuant to the terms of the Company's Long-Term Equity Incentive Plan, the Company withheld shares to cover the withholding tax obligation associated with equity awards vesting on the transaction date.
Kent A. Pflederer, attorney in fact03/31/2026
** Signature of Reporting PersonDate
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did PKG Executive VP Donald R. Shirley report in this Form 4 filing?

Donald R. Shirley reported equity awards vesting into common stock and related tax withholding. TSR performance units paid out at 200% of the performance measure, resulting in new shares, while the company withheld some shares to satisfy tax obligations under its Long-Term Equity Incentive Plan.

How many PKG shares did Donald R. Shirley acquire through performance-based awards?

He acquired 6,254 PKG common shares from TSR performance units and 478 shares from accumulated dividend payouts. These awards vested after the compensation committee certified 200% performance attainment, converting prior performance units and associated dividends into actual shares of common stock.

Why were 2,650 PKG shares disposed of at $212.25 in this filing?

The 2,650 PKG shares at $212.25 per share were withheld by the company to cover tax obligations on vesting equity awards. This is a tax-withholding disposition, not an open-market sale, and is described as required withholding under the Long-Term Equity Incentive Plan.

What is the significance of the 200% performance result for PKG’s TSR performance units?

The 200% performance result means the TSR performance units vested at double the target payout. The compensation subcommittee certified attainment of the performance measure, causing the units, plus accumulated dividends, to pay out in PKG common shares on the certification date.

How many PACKAGING CORP OF AMERICA shares does Donald R. Shirley own after these transactions?

After these transactions, Donald R. Shirley holds 31,110 PKG shares directly and 6,482 shares indirectly via a 401(k) plan. These holdings reflect his updated ownership following the vesting of performance-based awards and the company’s share withholding for taxes.

Were any of Donald R. Shirley’s PKG transactions open-market buys or sells?

No open-market purchases or sales are reported. The filing shows equity award grants paying out in shares and a tax-withholding disposition, where the company withheld 2,650 shares to satisfy tax obligations, rather than discretionary trading in the open market.