PKG · Insider Trading

Packaging Corp of America

Every open-market purchase and sale reported by PKG officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.

Form 4 Filings
50
most recent
Open-Market Buys
0
code P
Sales
6
code S
Reporting Insiders
18
current holders
PKG — Recent Form 4 Transactions (latest 2026-08-24)
FiledInsiderRole TypeSharesValue
2026-08-24 Donald R. Shirley Exec. VP Sell −12,000 −$3.01M
2026-08-11 Thomas A Hassfurther President Sell −7,063 −$1.79M
2026-08-05 Thomas A Hassfurther President Sell −21,328 −$5.39M
2026-05-28 Mark W Kowlzan Chairman & CEO Sell −9,266 −$2.01M
2026-05-13 Samuel M Mencoff Director A +591 —
2026-05-12 Roger B Porter Director A +591 —
2026-05-12 Cheryl K Beebe Director A +591 —
2026-05-12 Duane C Farrington Director A +591 —
2026-05-12 Karen E Gowland Director A +591 —
2026-05-12 Donna A. Harman Director A +591 —
2026-05-12 Robert C Lyons Director A +591 —
2026-05-12 Thomas S Souleles Director A +591 —
2026-03-31 Kent A. Pflederer EVP & CFO MIXED +3,354 −$566.71K
2026-03-31 Charles J. Carter EVP-Mill Ops. MIXED +5,407 −$744.79K
2026-03-31 Donald R. Shirley Exec. VP MIXED +4,082 −$562.46K
2026-03-31 Mark W Kowlzan Chairman & CEO MIXED +25,789 −$4.35M
2026-03-31 Thomas A Hassfurther President MIXED +19,442 −$2.68M
2026-03-31 Darla J. Olivier SVP MIXED +1,378 −$223.92K
2026-03-10 Donald R. Shirley Exec. VP MIXED +2,158 −$311.97K
2026-03-10 Charles J. Carter EVP-Mill Ops. MIXED +2,858 −$413.22K
2026-03-10 Mark W Kowlzan Chairman & CEO MIXED +10,088 −$1.79M
2026-03-10 Thomas A Hassfurther President MIXED +7,575 −$1.09M
2026-03-10 Darla J. Olivier SVP MIXED +727 −$124.39K
2026-03-09 Kent A. Pflederer EVP & CFO MIXED +1,773 −$314.20K
2026-02-27 Darla J. Olivier SVP A +1,157 —
2026-02-26 Kent A. Pflederer EVP & CFO A +2,774 —
2026-02-26 Charles J. Carter EVP-Mill Ops. A +4,213 —
2026-02-26 Heidi L Patton SVP A +814 —
2026-02-26 Joseph Vaughn SVP A +1,480 —
2026-02-26 Donald R. Shirley Exec. VP A +2,774 —
2026-02-26 Mark W Kowlzan Chairman & CEO A +16,992 —
2026-02-26 Thomas A Hassfurther President A +11,719 —
2026-02-25 Darla J. Olivier SVP F −513 −$115.71K
2026-02-24 Kent A. Pflederer EVP & CFO F −1,297 −$292.54K
2026-02-24 Joseph Vaughn SVP F −531 −$119.77K
2026-02-24 Mark W Kowlzan Chairman & CEO F −7,371 −$1.66M
2026-02-24 Thomas A Hassfurther President F −4,516 −$1.02M
2026-02-24 Charles J. Carter EVP-Mill Ops. F −1,705 −$384.56K
2026-02-24 Donald R. Shirley Exec. VP F −1,287 −$290.28K
2026-02-24 Heidi L Patton SVP F −681 −$153.60K
2026-02-09 Thomas A Hassfurther President Sell −12,129 −$2.80M
2025-09-15 Mark W Kowlzan Chairman & CEO Sell −25,000 −$5.40M
2025-05-12 Robert C Lyons Director A +611 —
2025-05-09 Samuel M Mencoff Director A +611 —
2025-05-09 Cheryl K Beebe Director A +611 —
2025-05-09 Duane C Farrington Director A +611 —
2025-05-09 Karen E Gowland Director A +611 —
2025-05-09 Donna A. Harman Director A +611 —
2025-05-09 Roger B Porter Director A +611 —
2025-05-09 Thomas S Souleles Director A +611 —
PKG — Current Insider Holders
InsiderRole Shares HeldValue
Mark W Kowlzan Chairman & CEO 476,175 $113.81M
Samuel M Mencoff Director 345,719 $82.63M
Thomas A Hassfurther President 237,184 $56.69M
Kent A. Pflederer EVP & CFO 77,275 $18.47M
Charles J. Carter EVP-Mill Ops. 57,095 $13.65M
Robert P. Mundy EVP & CFO 44,408 $10.61M
Darla J. Olivier SVP 27,397 $6.55M
Donald R. Shirley Exec. VP 25,611 $6.12M
Roger B Porter Director 22,604 $5.40M
Cheryl K Beebe Director 15,104 $3.61M
Robert C Lyons Director 13,429 $3.21M
Joseph Vaughn SVP 11,618 $2.78M
Thomas S Souleles Director 11,202 $2.68M
Paul T Stecko Director 9,492 $2.27M
Heidi L Patton SVP 7,873 $1.88M
Duane C Farrington Director 7,243 $1.73M
Donna A. Harman Director 5,179 $1.24M
Karen E Gowland Director 2,118 $506.20K
PKG Insider Trading FAQ
Who are the insiders at PKG?
18 officers, directors and 10%+ beneficial owners currently report holdings in PKG via SEC Form 4.
Are PKG insiders buying or selling?
Across the 50 most recent Form 4 filings for PKG, 0 were open-market purchases (code P) and 6 were sales (code S). Sales frequently reflect scheduled 10b5-1 plans or tax withholding rather than a view on the stock.
How current is PKG insider data?
Form 4 must be filed within two business days of the transaction, so this is close to real time. The most recent PKG filing is dated 2026-08-24.
How to read Form 4 activity

Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.

Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.

Full filing history and per-insider positions are on the PKG quote page; the site-wide leaderboard is on the insider transactions hub.

Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.