Filing Flows › Companies › Packaging Corp of America › Timeline
Packaging Corp of America stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+29.2% to $249.70
Packaging Corp of America (PKG) stock rose 29% over the last 252 sessions, to $249.70. On the way it reported 0 quarters, its insiders filed 5 open-market trades and 2 Form 144 notices of planned sales, and the company filed 2 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Aug 20, 2026 | Form 144 | Form 144: Donald Ray Shirley plans to sell $3.0M | −1.3% (−0.5% vs SPY) | −2.5% (−2.1% vs SPY) | −7.7% (−6.9% vs SPY) |
| Aug 20, 2026 | Insider sale | Shirley Donald R. sold $3.0M | −1.3% (−0.5% vs SPY) | −2.5% (−2.1% vs SPY) | −7.7% (−6.9% vs SPY) |
| Aug 7, 2026 | Insider sale | Hassfurther Thomas A sold $1.8M | +1.3% (+0.7% vs SPY) | +1.7% (+0.5% vs SPY) | −6.3% (−6.5% vs SPY) |
| Aug 5, 2026 | Insider sale | Hassfurther Thomas A sold $2.3M | +0.2% (+0.4% vs SPY) | +0.8% (+0.9% vs SPY) | −9.0% (−8.2% vs SPY) |
| Aug 3, 2026 | Insider sale | Hassfurther Thomas A sold $3.1M | +2.1% (+0.7% vs SPY) | +4.1% (+0.6% vs SPY) | −4.9% (−7.6% vs SPY) |
| Jul 28, 2026 | Form 144 | Form 144: Thomas A Hassfurther plans to sell $7.3M | +0.3% (+0.1% vs SPY) | −0.5% (−3.0% vs SPY) | −2.3% (−5.9% vs SPY) |
| May 27, 2026 | Insider sale | Kowlzan Mark W sold $2.0M | −0.2% (−0.2% vs SPY) | +2.9% (+1.7% vs SPY) | +10.5% (+12.4% vs SPY) |
| Mar 3, 2026 | 8-K | Directors and officers: departures, appointments, pay | +0.1% (+1.0% vs SPY) | −3.7% (−2.5% vs SPY) | −8.0% (−2.9% vs SPY) |
| Dec 4, 2025 | 8-K | Exit or disposal costs | −0.7% (−0.7% vs SPY) | +2.3% (+1.8% vs SPY) | +7.1% (+6.2% vs SPY) |
Insiders’ record here
In the year on the chart, Packaging Corp of America's insiders reported 0 open-market buys ($0) and 5 sales ($12.2M). Of the 2 old enough to score, 0 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale +11.1%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 2.05 Exit or disposal costs | 954 | −0.2% | 47% | +0.5% | ±2.4% |
| 2.06 Material impairment | 334 | 0.0% | 50% | +0.4% | ±1.9% |
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Packaging Corp of America: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.