Berkman Investment Co Louis serves as Executive at AMPCO PITTSBURGH CORP, where they oversee executive responsibilities. Since joining the company, Berkman Investment Co Louis has executed 5435 insider transactions totaling $40.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 17, 2025 involved purchasing 93,000 shares valued at $248.3K.
Berkman Investment Co Louis currently holds 3,127,792 shares of AMPCO PITTSBURGH CORP (AP), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Berkman Investment Co Louis has been a net seller of AP stock. They have purchased $1.9M and sold $38.1M worth of shares.
Berkman Investment Co Louis's most recent insider trade was on Nov 17, 2025, when they purchased 93,000 shares at $2.67 per share.
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| $2.50 |
| Discretionary |
| Sep 16, 2020 | AP | $0 | Other | 1,161,427 | $N/A | Discretionary |
| May 23, 2019 | AP | $20.6K | Purchase | 4,745 | $4.34 | Discretionary |
| May 22, 2019 | AP | $43.1K | Purchase | 10,000 | $4.31 | Discretionary |
| May 21, 2019 | AP | $43.1K | Purchase | 10,000 | $4.31 | Discretionary |
| May 20, 2019 | AP | $6.7K | Purchase | 1,500 | $4.45 | Discretionary |
| May 17, 2019 | AP | $35.9K | Purchase | 8,226 | $4.36 | Discretionary |
| May 16, 2019 | AP | $6.4K | Purchase | 1,585 | $4.05 | Discretionary |
| May 15, 2019 | AP | $2.0K | Purchase | 500 | $4.03 | Discretionary |
| May 15, 2019 | AP | $36.1K | Purchase | 9,000 | $4.01 | Discretionary |
| May 15, 2019 | AP | $2.0K | Purchase | 500 | $4.02 | Discretionary |
| Mar 17, 2019 | AP | $35.9K | Purchase | 8,226 | $4.36 | Discretionary |
| Mar 16, 2019 | AP | $6.4K | Purchase | 1,585 | $4.05 | Discretionary |
| Mar 15, 2019 | AP | $2.0K | Purchase | 500 | $4.03 | Discretionary |
| Mar 15, 2019 | AP | $36.1K | Purchase | 9,000 | $4.01 | Discretionary |
| Mar 15, 2019 | AP | $2.0K | Purchase | 500 | $4.02 | Discretionary |
| Jul 30, 2018 | AP | $1.1K | Sale | 100 | $11.00 | Discretionary |
| May 31, 2018 | AP | $6.4K | Sale | 579 | $11.00 | Discretionary |
| May 31, 2018 | AP | $1.1K | Sale | 100 | $11.05 | Discretionary |
| Apr 24, 2018 | AP | $19.4K | Sale | 1,767 | $11.00 | Discretionary |
| Apr 23, 2018 | AP | $5.5K | Sale | 500 | $11.10 | Discretionary |
| Apr 23, 2018 | AP | $2.1K | Sale | 188 | $11.00 | Discretionary |
| Apr 23, 2018 | AP | $1.1K | Sale | 100 | $11.20 | Discretionary |
| Apr 23, 2018 | AP | $1.1K | Sale | 100 | $11.08 | Discretionary |
| Apr 23, 2018 | AP | $2.2K | Sale | 200 | $11.05 | Discretionary |
| Apr 23, 2018 | AP | $30.2K | Sale | 2,712 | $11.15 | Discretionary |
| Apr 20, 2018 | AP | $41.5K | Sale | 3,690 | $11.25 | Discretionary |
| Apr 20, 2018 | AP | $1.1K | Sale | 100 | $11.13 | Discretionary |
| Apr 20, 2018 | AP | $1.1K | Sale | 98 | $11.10 | Discretionary |