Form 4 Filing for Robison Chris J

This filing details a transaction by Robison Chris J, a director at PERPETUA RESOURCES CORP. (PPTA). On December 23, 2025, Mr. Robison acquired 660 Deferred Share Units (DSUs) with a post-transaction share count of 69,579. The DSUs were received in lieu of a cash retainer for services rendered in the fourth quarter of 2025 and are settled after his separation from service. Each DSU entitles the holder to one common share of the Issuer or its cash equivalent. The value of the DSUs was based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on December 22, 2025, which was $27.70 per share.