Louis Berkman Investment CO is 10% Owner at AMPCO PITTSBURGH CORP (AP). They have made 10 open-market trades across 1 company since 2007, most recently 2025-11-17.
CIK 0001351834
5 open-market purchases totalling $1.9M since 2007, against 5 sales. Across 5 scored buys the stock is up 33.7% at ninety days, and 31.9 points ahead of the S&P over the same stretch.
5 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| AP | 3,127,792 | $25.8M |
Shares reported on the most recent Form 4, priced at the 2025-11-26 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 60% | 20% | 20% |
| Avg Move | +4.3% | +6.0% | +33.7% |
| Alpha | +4.3% | +4.3% | +31.9% |
| Scored | 5 | 5 | 5 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 100% | 100% | 100% |
| Avg Move | -7.8% | -4.6% | -10.1% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AP | BUY | 2025-11-17 | 2025-11-26 | $2.67 | $248K | +22.5% | +69.1% | +233.5% |
| AP | BUY | 2022-11-21 | 2022-11-23 | $2.50 | $1.4M | -1.0% | -11.3% | -15.9% |
| AP | BUY | 2019-05-23 | 2019-05-28 | $4.34 | $21K | -6.1% | -10.2% | -15.9% |
| AP | BUY | 2019-05-22 | 2019-05-23 | $4.31 | $43K | +0.7% | -7.5% | -16.4% |
| AP | BUY | 2019-05-21 | 2019-05-22 | $4.31 | $43K | +5.6% | -10.1% | -16.6% |
| AP | BUY | 2019-05-20 | 2019-05-21 | $4.45 | $7K | +11.7% | -8.6% | -10.3% |
| AP | BUY | 2019-05-16 | 2019-05-21 | $4.31 | $42K | +11.7% | -8.6% | -10.3% |
| AP | BUY | 2019-05-15 | 2019-05-21 | $4.01 | $40K | +11.7% | -8.6% | -10.3% |
| AP | BUY | 2019-03-16 | 2019-05-20 | $4.31 | $42K | +0.4% | -17.4% | -19.9% |
| AP | BUY | 2019-03-15 | 2019-05-17 | $4.01 | $40K | +9.8% | -10.9% | -13.6% |
| AP | SELL · 10b5-1 | 2018-07-30 | 2018-07-31 | $11.00 | $1K | -17.6% | -28.1% | -65.0% |
| AP | SELL · 10b5-1 | 2018-05-31 | 2018-06-01 | $11.01 | $7K | +0.5% | -2.4% | -27.1% |
| AP | SELL · 10b5-1 | 2018-04-24 | 2018-04-25 | $11.00 | $19K | -8.6% | -6.2% | -7.7% |
| AP | SELL · 10b5-1 | 2018-04-23 | 2018-04-24 | $11.13 | $42K | -14.6% | -16.0% | -10.5% |
| AP | SELL · 10b5-1 | 2018-04-20 | 2018-04-23 | $11.22 | $70K | -14.4% | -9.3% | -8.8% |
| AP | SELL · 10b5-1 | 2018-04-19 | 2018-04-20 | $11.24 | $80K | -10.9% | -13.2% | -10.5% |
| AP | SELL · 10b5-1 | 2018-04-18 | 2018-04-19 | $11.16 | $95K | -16.1% | -14.7% | -12.5% |
| AP | SELL | 2018-04-17 | 2018-04-18 | $11.00 | $89K | -11.7% | -13.5% | -11.2% |
| AP | SELL · 10b5-1 | 2018-04-10 | 2018-04-11 | $11.00 | $11K | +6.9% | -0.5% | +2.0% |
| AP | SELL · 10b5-1 | 2018-04-09 | 2018-04-10 | $11.00 | $52K | +12.1% | +0.0% | +5.0% |
| AP | SELL · 10b5-1 | 2018-03-16 | 2018-03-19 | $11.00 | $48K | -17.6% | +4.2% | -10.6% |
| AP | SELL · 10b5-1 | 2018-03-14 | 2018-03-15 | $11.00 | $6K | -16.6% | -1.4% | -4.1% |
| AP | SELL · 10b5-1 | 2018-03-13 | 2018-03-14 | $11.13 | $9K | -13.8% | -4.6% | -6.9% |
| AP | SELL | 2018-03-12 | 2018-03-13 | $11.13 | $230K | -8.1% | -1.4% | -2.4% |
| AP | SELL · 10b5-1 | 2018-03-09 | 2018-03-12 | $11.06 | $54K | -11.2% | -9.9% | -7.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| Scored | 5 | 5 | 5 |