Who
Arthur H. Amron
Director
Company insider
Files Form 4 as: Director, Nephros; Director, Mammoth Energy Services; Director, Rhino Resource Partners LP.
In numbers
- Trades disclosed
- 73
- Buys
- 12
- Sells
- 0
- Bought
- $144K
- Sold
- $0
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 30 Nov 2007
- Last trade
- 14 Sep 2026
- Last filed
- 16 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 14 Sep 2026filed 16 Sep 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code J | —17,749 at $0.00 | filing |
| 14 Sep 2026filed 16 Sep 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code J | —2,836 at $0.00 | filing |
| 14 Sep 2026filed 16 Sep 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code J | $90K22,710 at $3.95 | filing |
| 12 Aug 2026filed 14 Aug 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code A | —2,418 at $0.00 | filing |
| 12 Aug 2026filed 14 Aug 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code A | —2,418 at $0.00 | filing |
| 17 Jun 2026filed 22 Jun 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Code J | —19,121 at $0.00 | filing |
| 17 Jun 2026filed 22 Jun 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Code J | —10,329 at $0.00 | filing |
| 12 Jun 2026filed 15 Jun 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $6,5602,000 at $3.28 | filing |
| 12 Jun 2026filed 15 Jun 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $6,5602,000 at $3.28 | filing |
| 11 Jun 2026filed 15 Jun 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $8,0502,500 at $3.22 | filing |
| 11 Jun 2026filed 15 Jun 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $8,0502,500 at $3.22 | filing |
| 28 May 2026filed 28 May 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $9,7503,000 at $3.25 | filing |
| 28 May 2026filed 28 May 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $9,7503,000 at $3.25 | filing |
| 26 May 2026filed 28 May 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $8,1002,500 at $3.24 | filing |
| 26 May 2026filed 28 May 2026 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $8,1002,500 at $3.24 | filing |
| 11 May 2026filed 12 Jun 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code A | —3,574 at $0.00 | filing |
| 11 May 2026filed 12 Jun 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code A | —3,574 at $0.00 | filing |
| 16 Mar 2026filed 18 Mar 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code A | —3,610 at $0.00 | filing |
| 16 Mar 2026filed 18 Mar 2026 | NEPH NephrosMedical Devices | SEC FORM 4 Code A | —3,610 at $0.00 | filing |
| 11 Dec 2025filed 15 Dec 2025 | TUSK Mammoth Energy ServicesOilfield services | SEC FORM 4 Bought | $19K10,000 at $1.89 | filing |
News
Mammoth Energy Services (NASDAQ:TUSK) Share Price Crosses Below Fifty Day Moving Average – Should You Sell?TUSK · tickerreport.com · 24 Oct 2026Reviewing SEACOR Marine (NYSE:SMHI) & Mammoth Energy Services (NASDAQ:TUSK)TUSK · themarketsdaily.com · 21 Oct 2026SEACOR Marine (NYSE:SMHI) and Mammoth Energy Services (NASDAQ:TUSK) Financial ReviewTUSK · tickerreport.com · 15 Oct 2026
0 headlines in the last 90 days name Arthur H. Amron; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.