Paul J. Isaac is 10% Owner at Stereotaxis, Inc. (STXS). They have made 57 open-market trades across 3 companies since 2009, most recently 2025-11-17.
CIK 0001023009
32 open-market purchases totalling $2.4M since 2009, against 25 sales. Across 32 scored buys the stock is up 18.9% at ninety days, and 14.2 points ahead of the S&P over the same stretch.
32 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| APO | 865,329 | $95.9M |
| CSU | 69,780 | $2.3M |
| STXS | 97,299 | $99K |
| Total | $98.3M |
Shares reported on the most recent Form 4, priced at the 2025-11-18 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 63% | 53% | 72% |
| Avg Move | +2.9% | -0.1% | +18.9% |
| Alpha | +3.2% | +0.4% | +14.2% |
| Scored | 32 | 32 | 32 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 76% | 96% | 96% |
| Avg Move | -4.5% | -11.2% | -16.6% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| STXS | BUY | 2025-11-14 | 2025-11-18 | $2.22 | $67K | +3.1% | +2.2% | -8.4% |
| STXS | BUY | 2025-03-10 | 2025-03-11 | $1.81 | $69K | +3.8% | -10.3% | +24.9% |
| STXS | BUY | 2025-03-06 | 2025-03-10 | $1.81 | $45K | +16.6% | +0.0% | +32.0% |
| STXS | BUY | 2024-08-19 | 2024-08-21 | $1.88 | $2K | +0.4% | -5.4% | -8.1% |
| STXS | BUY | 2024-08-15 | 2024-08-20 | $1.90 | $15K | +12.8% | -1.5% | -1.5% |
| STXS | BUY | 2024-06-14 | 2024-06-17 | $1.86 | $13K | -3.7% | +7.4% | +15.3% |
| STXS | BUY | 2024-05-31 | 2024-06-04 | $1.96 | $2K | -2.6% | -7.9% | +17.3% |
| STXS | BUY | 2024-05-28 | 2024-05-30 | $1.91 | $17K | -1.0% | -11.1% | +11.6% |
| STXS | BUY | 2023-12-15 | 2023-12-18 | $1.72 | $19K | +6.1% | +11.5% | +50.3% |
| STXS | BUY | 2023-11-30 | 2023-12-05 | $1.56 | $4K | -8.1% | -0.5% | +40.3% |
| STXS | BUY | 2023-11-21 | 2023-11-24 | $1.53 | $9K | +10.1% | +3.6% | +67.3% |
| STXS | BUY | 2023-11-17 | 2023-11-21 | $1.55 | $19K | +13.6% | +14.3% | +98.1% |
| STXS | BUY | 2023-11-15 | 2023-11-17 | $1.47 | $51K | +6.5% | +5.2% | +80.6% |
| STXS | BUY | 2023-11-13 | 2023-11-15 | $1.45 | $29K | +12.0% | +14.0% | +76.7% |
| STXS | BUY | 2023-09-14 | 2023-09-18 | $1.64 | $38K | -5.9% | -10.0% | -4.1% |
| STXS | BUY | 2023-09-12 | 2023-09-14 | $1.68 | $13K | +0.6% | -6.1% | +5.5% |
| STXS | BUY | 2023-08-30 | 2023-09-01 | $1.71 | $17K | -9.3% | -14.3% | -9.3% |
| STXS | BUY | 2023-08-28 | 2023-08-30 | $1.71 | $27K | -0.6% | -8.1% | -2.3% |
| STXS | BUY | 2023-08-24 | 2023-08-28 | $1.74 | $16K | +1.2% | -4.2% | +1.2% |
| STXS | BUY | 2023-08-21 | 2023-08-23 | $1.69 | $21K | +5.7% | -3.4% | -13.2% |
| STXS | BUY | 2023-08-16 | 2023-08-18 | $1.54 | $16K | +9.0% | +3.2% | -2.6% |
| STXS | BUY | 2023-08-14 | 2023-08-16 | $1.51 | $26K | +8.8% | +1.9% | -10.7% |
| STXS | BUY | 2022-05-25 | 2022-06-01 | $1.82 | $26K | +3.1% | -5.1% | +6.2% |
| STXS | BUY | 2022-05-23 | 2022-05-25 | $1.82 | $26K | +25.1% | +8.7% | +23.5% |
| STXS | BUY | 2022-05-19 | 2022-05-23 | $1.80 | $78K | +9.0% | +3.2% | +20.2% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| Scored | 25 | 25 | 25 |