Item 5.07 Submission of Matters to a Vote of Security Holders. GPGI, Inc., a Delaware corporation (the “ Company”), held a special meeting of the Company's stockholders (the “ Special Meeting”) on June 4, 2026. At the Special Meeting, the proposal to approve the reincorporation of the Company from the State of Delaware to the State of Nevada by conversion, and to adopt the resolutions of the Company’s Board of Directors approving the reincorporation (the “ Reincorporation Proposal”), was submitted to a vote of the Company’s stockholders. The Reincorporation Proposal is described in more detail in the Company’s definitive proxy statement filed with the U. S. Securities and Exchange Commission on April 20, 2026, as supplemented. At the close of business on April 16, 2026, the record date for the determination of stockholders entitled to vote at the Special Meeting, an aggregate of 289,861,033 shares of the Company’s Class A common stock (the “ Common Stock”) were outstanding and entitled to vote at the Special Meeting. The holders of 267,948,144 shares of Common Stock, representing approximately 92% of the voting power of the issued and outstanding shares of Common Stock as of the record date, were represented virtually or by proxy at the Special Meeting, constituting a quorum. At the Special Meeting, the Reincorporation Proposal was approved. The vote with respect to the Reincorporation Proposal was as follows: Votes For % For Votes Against % Against Abstain ───────────────────────────────────────────────────────────────────────── 171,505,308 59.2% 96,295,425 33.2% 147,411 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. Date: June 4, 2026