Amron Arthur H

Track

Insider profile

Performance

Overall performance
2.5
Performance over holding periods
2.5
30 days 90 days 120 days
Average return -8% 8.2% 15.1%
Success rate 17% 68% 82%
Transactions
12 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Amron Arthur H's trades of Mammoth Energy Services Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Purchase
Price
1.89
Quantity 10,000 +21.2%
Value US$18,900
Transaction date
Purchase
Price
2.97
Quantity 1,000 +2.2%
Value US$2,971
US Nephros Inc (NEPH)
Transaction date
Purchase
Price
2.24
Quantity 3,000 +3.0%
Value US$6,735
US Nephros Inc (NEPH)
Transaction date
Purchase
Price
2.22
Quantity 2,000 +2.0%
Value US$4,441
US Nephros Inc (NEPH)
Transaction date
Purchase
Price
2.45
Quantity 7,000 +inf%
Value US$17,130
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-15 2026-06-12
B Purchase
23,825 +48.5%
185.51
US$475,900 		23,825 +48.5% 185.51 US$475,900
2026-06-15 2026-06-11
B Purchase
42,030 -40.3%
52.17
US$4,267,607 		42,030 -40.3% 52.17 US$4,267,607
2026-05-28 2026-05-28
B Purchase
44,108 -0.9%
377.99
US$4,546,938 		44,108 -0.9% 377.99 US$4,546,938
2026-05-28 2026-05-26
B Purchase
2,500 +4.4%
3.24
US$8,100 		2,500 +4.4% 3.24 US$8,100
2025-12-15 2025-12-11
B Purchase
10,000 +21.2%
1.89
US$18,900 		10,000 +21.2% 1.89 US$18,900
2024-12-16 2024-12-12
B Purchase
1,000 +2.2%
2.97
US$2,971 		1,000 +2.2% 2.97 US$2,971
2024-05-30 2024-05-30
US Nephros Inc (NEPH)
B Purchase
3,000 +3.0%
2.24
US$6,735 		3,000 +3.0% 2.24 US$6,735
2024-05-30 2024-05-30
B Purchase
3,000 +19.6%
3.65
US$10,944 		3,000 +19.6% 3.65 US$10,944
2024-05-30 2024-05-28
US Nephros Inc (NEPH)
B Purchase
2,000 +2.0%
2.22
US$4,441 		2,000 +2.0% 2.22 US$4,441
2024-05-30 2024-05-28
B Purchase
2,000 +15.1%
3.57
US$7,148 		2,000 +15.1% 3.57 US$7,148
2024-03-14 2024-03-12
US Nephros Inc (NEPH)
B Purchase
7,000 +inf%
2.45
US$17,130 		7,000 +inf% 2.45 US$17,130
2024-03-14 2024-03-12
B Purchase
3,000 +29.2%
3.72
US$11,157 		3,000 +29.2% 3.72 US$11,157