Perpetua Resources Corp. - Common Shares (PPTA) Dec 2025 Filing Analysis

The antimony technology effort advanced from government-funded studies toward pilot-scale testing with Idaho National Laboratory to produce antimony trisulfide for domestic use. That is a favorable development in capability-building, but it remains pre-commercial; the filing does not report proven production, sales, or a completed commercial processing route. The later baseline describes the same effort as pilot testing and development, so the moat is still nascent rather than established. (1 expanding, 1 stable)