InsidersTradesSigma
Total declarations
Companies
▲ Purchases (9 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
9
Disclosed sells
0
T+90 hit rate
50%
T+90 mean return
+7.5%
Across 8 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by AMRON ARTHUR H, Director. Officer active across 3 companies, notably Mammoth Energy Services, INC.. In total, 23 reports have been recorded. Split: 9 buys · 0 sell. Total volume traded: €55k. History available since 2 June 2021. The latest transaction was filed on 11 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations23 total
19,121 sharesCommon StockSEC:0001398344-26-011116:0
10,329 sharesCommon StockSEC:0001398344-26-011116:1
2,500 sharesCommon StockSEC:0001628280-26-043211:0
Ideal exit: 8 Mar 2027 (T+270)
2,000 sharesCommon StockSEC:0001628280-26-043211:1
Ideal exit: 9 Mar 2027 (T+270)
3,574 shares0Common StockSEC:0000914190-26-000098:0
2,500 shares@ US$3.23990.0045% mcap19.9% of flowCommon StockSEC:0001628280-26-038861:0
Ideal exit: 20 Feb 2027 (T+270)
3,000 shares@ US$3.250.0054% mcap24.0% of flowCommon StockSEC:0001628280-26-038861:1
Ideal exit: 22 Feb 2027 (T+270)
22,418 shares0Common StockSEC:0001062993-25-000264:0
1,000 shares@ US$2.97138.1% of flowCommon StockSEC:0001679268-24-000092:0
Ideal exit: 8 Sept 2025 (T+270)
27,856 shares0Common StockSEC:0001679268-24-000042:0
2,000 shares@ US$2.220720.7% of flowCommon StockSEC:0001062993-24-011498:0
Ideal exit: 22 Feb 2025 (T+270)
2,000 shares@ US$3.57418.8% of flowCommon StockSEC:0001679268-24-000028:0
Ideal exit: 22 Feb 2025 (T+270)
3,000 shares@ US$3.71929.2% of flowCommon StockSEC:0001679268-24-000010:0
Ideal exit: 7 Dec 2024 (T+270)
7,000 shares@ US$2.447179.3% of flowCommon stockSEC:0001048462-24-000011:0
Ideal exit: 7 Dec 2024 (T+270)
9,291 shares0Common StockSEC:0001062993-23-022642:0
23,810 shares0Common StockSEC:0001679268-23-000042:0
27,613 shares0Common StockSEC:0001062993-23-000718:0
45,662 shares0Common StockSEC:0001679268-22-000029:0
4,582 shares0Common StockSEC:0001437749-21-028833
4,582 shares0Common StockSEC:0001437749-21-028833:0
25,641 shares0Common StockSEC:0001679268-21-000033:0
25,641 shares0Common StockSEC:0001679268-21-000033
12,916 sharesCommon UnitsSEC:0001140361-16-046689:0
23 of 23 declarations
About AMRON ARTHUR H
Arthur H. Amron is a Board Member at Mammoth Energy Services, Inc. and Nephros Inc. He plays a key role in the governance of both companies, contributing to strategic decision-making.
