This is a routine Form 144 filing by a former director selling shares acquired through long-term equity compensation. The small size relative to market cap and the seller's former director status suggest no material negative signal. Monitor for any subsequent Form 4 filings to confirm execution, but no immediate trading action is warranted.
Price Chart
Executive Summary
Former director Philip R. Martens filed Form 144 to sell 43,072 shares of GPK common stock, with an estimated aggregate market value of approximately $514,710. The shares were acquired through equity compensation awards and gifts dating back to 2014, including 16,261 shares granted on May 20, 2026. The proposed sale represents a modest portion of the company's $3.5B market cap and is consistent with routine portfolio diversification by a former director. The filing is a notice of intent to sell, not a completed transaction, and carries limited signal value given the seller's former director status and the small relative size.
Key Facts
- Former director Philip R. Martens filed a Form 144 to sell 43,072 shares of GPK common stock.
- The estimated aggregate market value of the proposed sale is $514,710.
- Shares were acquired through equity compensation awards and gifts from 2014 to 2026, including 16,261 shares granted on May 20, 2026.
- The broker for the proposed sale is Raymond James & Associates.
- The filing date is August 6, 2026.
Financial Impact
Proposed sale of 43,072 shares valued at approximately $514,710, representing about 0.015% of GPK's $3.5B market cap.
Risk Factors
- The filing is only a notice of intent to sell; the actual sale may not occur.
- If the sale is executed, it could signal modest insider sentiment, though the former director status reduces its significance.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 6 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (GPK) — Batch item 1 | 0001974078-26-000297 |
| Document: 0001974078-26-000297-index.html | 0001974078-26-000297 |
| Document: 0001974078-26-000297.txt | 0001974078-26-000297 |
| 144 Filing (GPK) — Batch item 4 | 0001974078-26-000297 |
| Document: 0001974078-26-000297-index.html | 0001974078-26-000297 |
| Document: 0001974078-26-000297.txt | 0001974078-26-000297 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 17, 2026 6w ago | 8-K | $10.97 $9.87 | ▼ −10.07% | ▼ −9.08% | $8.91 (−18.73%) |
Aug 6, 2026 8w ago | 144 | $11.87 $10.70 | ▼ −9.86% | ▼ −10.46% | $8.91 (−24.89%) |
Jul 29, 2026 9w ago | Press Release | $10.96 $11.33 | ▲ +3.38% | ▼ −0.59% | $8.91 (−18.66%) |
May 26, 2026 18w ago | 8-K | $10.29 $10.65 | ▲ +3.45% | ▲ +5.40% | $8.91 (−13.36%) |
May 5, 2026 21w ago | 8-K | $10.73 $10.76 | ▼ −0.28% | ▲ +4.67% | $8.91 (+16.92%) |
Mar 11, 2026 29w ago | 8-K | $9.71 $9.67 | ▼ −0.41% | ▼ −2.39% | $8.91 (−8.19%) |
Mar 4, 2026 30w ago | Insider Cluster | $11.06 $9.59 | ▼ −13.33% | ▼ −8.91% | $8.91 (−19.43%) |
Feb 27, 2026 31w ago | 8-K | $12.09 $9.23 | ▼ −23.67% | ▼ −16.12% | $8.91 (−26.28%) |
US Market Status
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