Arthur H. Amron is Director at NEPHROS INC (NEPH). They have made 8 open-market trades across 2 companies since 2024, most recently 2026-08-12.
CIK 0001179697
8 open-market purchases totalling $112K since 2024, never a sale. Across 8 scored buys the stock is down 2.0% at ninety days, and 4.5 points behind the S&P over the same stretch.
8 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| NEPH | 140,874 | $509K |
| TUSK | 67,135 | $182K |
| RNO | 25,115 | — |
| Total | $690K |
Shares reported on the most recent Form 4, priced at the 2026-08-14 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 50% | 25% | 38% |
| Avg Move | +0.3% | -1.0% | -2.0% |
| Alpha | -0.0% | -1.4% | -4.5% |
| Scored | 8 | 8 | 8 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TUSK | BUY | 2026-06-11 | 2026-06-15 | $3.25 | $15K | -5.5% | -8.5% | -0.2% |
| TUSK | BUY | 2026-05-26 | 2026-05-28 | $3.25 | $18K | +1.7% | -12.0% | -4.4% |
| TUSK | BUY | 2025-12-11 | 2025-12-15 | $1.89 | $19K | +8.7% | +32.9% | +24.0% |
| TUSK | BUY | 2024-12-12 | 2024-12-16 | $2.97 | $3K | -6.7% | +13.1% | -22.4% |
| NEPH | BUY | 2024-05-28 | 2024-05-30 | $2.23 | $11K | -2.2% | -6.6% | -17.9% |
| TUSK | BUY | 2024-05-28 | 2024-05-30 | $3.62 | $18K | -2.9% | -12.8% | +1.1% |
| TUSK | BUY | 2024-03-12 | 2024-03-14 | $3.72 | $11K | +8.7% | -5.1% | +4.7% |
| NEPH | BUY | 2024-03-12 | 2024-03-14 | $2.45 | $17K | +0.9% | -8.7% | -0.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.