Amron Arthur H
- SEC CIK
- 0001179697
In the past year, 3 open-market purchase filings worth $51.4K and no sales.
Current role at each company
- NEPH Nephros IncDirectoras of Sep 16, 2026
- TUSK Mammoth Energy Services, Inc.Directoras of Jun 22, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $51.4K
- 3 filings
- Sold
- –
- 0 filings
- Net
- +$51.4K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Amron Arthur H as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
TUSK Mammoth Energy Services, Inc.
Director6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 15, 2026 (view filing) | Jun 11-12 | 4 days | Amron Arthur HDirector | PPurchase | +4.50K | $3.25 | +$14.6K | +7.2%67.1K after | 2 lots |
| May 28, 2026 (view filing) | May 26-28 | 2 days | Amron Arthur HDirector | PPurchase | +5.50K | $3.25 | +$17.9K | +9.6%62.6K after | 2 lots |
| Dec 15, 2025 (view filing) | Dec 11 | 4 days | Amron Arthur HDirector | PPurchase | +10.0K | $1.89 | +$18.9K | +21.2%57.1K after | |
| Dec 16, 2024 (view filing) | Dec 12 | 4 days | Amron Arthur HDirector | PPurchase | +1.00K | $2.97 | +$2.97K | +2.2%47.1K after | |
| May 30, 2024 (view filing) | May 28-30 | 2 days | Amron Arthur HDirector | PPurchase | +5.00K | $3.62 | +$18.1K | +37.7%18.3K after | 2 lots |
| Mar 14, 2024 (view filing) | Mar 12 | 2 days | Amron Arthur HDirector | PPurchase | +3.00K | $3.72 | +$11.2K | +29.2%13.3K after |
NEPH Nephros Inc
Director2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 30, 2024 (view filing) | May 28-30 | 2 days | Amron Arthur HDirector | PPurchase | +5.00K | $2.23 | +$11.2K | +5.1%103.5K after | 2 lots |
| Mar 14, 2024 (view filing) | Mar 12 | 2 days | Amron Arthur HDirector | PPurchase | +7.00K | $2.45 | +$17.1K | New position7.00K after |