Erik Aldag, Senior Vice President at Minerals Technologies Inc. (MTX), has demonstrated a clear selling bias in his insider transactions, with $529,771 in total sales compared to just $50,370 in purchases across 25 reported trades. His only recent buy was a $50,370 acquisition on April 30, 2025, while his sales have been more frequent and substantial, particularly in early 2026. Between January 21 and January 26, 2026, Aldag executed three sales totaling $246,217.23, including a $90,743.52 transaction on January 21, an $85,274.80 sale on January 23, and a $70,198.91 disposition on January 26.
Prior to this, Aldag’s selling activity was concentrated in January 2025, with three sales worth $188,241.43, including a $100,009.30 transaction on January 23. His earlier transactions in January 2024 were smaller, totaling $92,312.81 across three sales. The pattern suggests a recurring trend of January dispositions, with the most recent sales being the largest in dollar terms. All transactions involve MTX, indicating his holdings are concentrated in his employer’s stock. While the sales could reflect routine portfolio management, the consistency in timing and the absence of offsetting buys point to a sustained reduction in his position.
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