Kowlzan Mark W

Kowlzan Mark W is listed in filings as Chairman & CEO at Packaging Corp Of America. This profile follows SEC Form 4 activity through May 28, 2026, including sale activity. Recent filings connect the profile to Packaging Corp Of America (PKG). The current snapshot covers public activity from Nov 8, 2024 to May 28, 2026. Reported amounts are shown as $6.5M to $769.1K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.