Louis Berkman Investment CO

Louis Berkman Investment CO is listed in filings as 10% Owner at Ampco-Pittsburgh Corporation. This profile follows SEC Form 4 activity through Nov 26, 2025, including purchase activity. Recent filings connect the profile to Ampco-Pittsburgh Corporation (AP-WT) and Ampco-Pittsburgh Corporation (AP). The current snapshot covers public activity from Nov 26, 2025. Reported amounts are shown as $248.3K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.