Packaging CORP of America Form 4 insider transactions

Thomas A Hassfurther, President of Packaging Corp Of America, sold 7,063 shares of common stock on August 7, 2026 for $254.00 per share.

Thomas A Hassfurther, President of Packaging Corp Of America, sold 21,328 shares of common stock on August 3, 2026.

Chairman and CEO Mark Kowlzan sold 9,266 shares of Packaging Corporation of America common stock on May 27, 2026.

Samuel M. Mencoff, a Director at Packaging Corp of America, received a stock award as part of his director fees.

Packaging Corp of America director Thomas Souleles acquired 591 shares of common stock as part of his director compensation.

Packaging Corp of America director Robert C. Lyons acquired 591 shares of common stock as part of his director compensation.

Packaging Corp of America director Donna A. Harman acquired 591 shares of common stock as part of her director compensation.

Packaging Corporation of America director Karen E. Gowland acquired 591 shares of common stock as part of her director fee compensation.

Packaging Corp of America director Duane C. Farrington acquired 591 shares of common stock as part of his director fee compensation.

Packaging Corporation of America director Cheryl K. Beebe acquired 591 shares of common stock as part of her director compensation.

Packaging Corp of America director Roger B. Porter acquired 591 shares of common stock as part of his director compensation.

Packaging Corp of America's President, Thomas A. Hassfurther, reported the vesting of performance units at 200% attainment, resulting in share acquisition and subsequent tax-related disposition.

Packaging Corp of America's Chairman & CEO, Mark W. Kowlzan, reported the vesting of performance-based equity awards and related tax withholdings.

Packaging Corp of America Executive VP Donald R. Shirley increased his direct beneficial ownership of common stock following the payout of performance units and accumulated dividends.

Packaging Corp of America's EVP-Mill Ops, Charles J. Carter, reported the vesting of performance units, dividend payouts, and shares withheld for taxes.

Packaging Corporation of America's EVP & CFO, Kent A. Pflederer, increased his direct beneficial ownership through the vesting of performance units and dividend payouts.

Packaging Corp of America's SVP Darla J. Olivier reported the acquisition of 1,157 restricted stock units and corrected a previous administrative error in her beneficial ownership.

Packaging Corp of America's President, Thomas A. Hassfurther, was granted 11,719 restricted stock units.

Packaging Corp of America's Chairman and CEO, Mark W. Kowlzan, reported the acquisition of 16,992 restricted stock units.

Packaging Corp of America's Executive VP, Donald R. Shirley, acquired 2,774 restricted stock units on February 25, 2026.

Packaging Corp. of America's Senior Vice President Joseph Vaughn reported the acquisition of 1,480 common shares through restricted stock units.

Packaging Corp of America SVP Heidi Patton was granted 814 restricted stock units, increasing her direct beneficial ownership.

Packaging Corp of America's EVP-Mill Ops, Charles J. Carter, reported the acquisition of 4,213 restricted stock units, increasing his beneficial ownership.

Packaging Corporation of America's EVP & CFO, Kent A. Pflederer, acquired 2,774 shares of common stock through restricted stock unit vesting.

Packaging Corp of America SVP Darla J. Olivier reported a planned tax-related disposition of 513 common shares at $225.55 per share, maintaining 57,538 shares.

Packaging Corp of America SVP Heidi L. Patton reported a routine disposition of 681 common shares to cover tax obligations related to an equity incentive plan.

Packaging Corp of America's Executive Vice President, Donald R. Shirley, reported the disposition of 1,287 common shares to cover tax obligations related to an equity incentive plan.

Packaging Corp of America's EVP-Mill Ops, Charles J. Carter, disposed of 1,705 shares of common stock to cover tax obligations related to vesting equity awards.

Packaging Corp of America President Thomas A. Hassfurther disposed of 4,516 shares of common stock to cover tax obligations related to equity award vesting.

Packaging Corp of America's Chairman & CEO, Mark W. Kowlzan, reported the disposition of 7,371 common shares to cover tax obligations related to vested equity awards.