Ampco-Pittsburgh shares surge 21.63% intraday after major shareholder Louis Berkman buys $248k in stock.

Ampco-Pittsburgh surged 21.63% intraday trading following a significant insider purchase by Louis Berkman Investment Co, a 10% owner and director of the company. The firm acquired 93,000 shares at a weighted average price of $2.67, totaling $248,310, on November 17, 2025. Post-transaction, Louis Berkman Investment Co directly owns 3,127,792 shares of Ampco-Pittsburgh, reinforcing its substantial stake. The purchase, disclosed via SEC Form 4, is likely interpreted as a vote of confidence in the company’s prospects, aligning with the intraday price rally. The transaction’s timing and scale suggest market participants viewed the insider activity as a positive catalyst, potentially signaling improved sentiment toward the firm’s strategic direction or operational outlook.