InsidersTradesSigma
Total declarations
Companies
▲ Purchases (10 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
10
Disclosed sells
0
T+90 hit rate
50%
T+90 mean return
+2.9%
Across 2 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, 25 reports have been recorded. Split: 10 buys · 0 sell. Total volume traded: €71k. History available since 2 June 2021. The latest transaction was filed on 12 August 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Amron Arthur H
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Declarations25 total
2,418 shares0Common StockSEC:0000914190-26-000110:0
19,121 sharesCommon StockSEC:0001398344-26-011116:0
10,329 sharesCommon StockSEC:0001398344-26-011116:1
2,500 sharesCommon StockSEC:0001628280-26-043211:0
Canonical exit: 9 Sept 2026 (T+90)
2,000 sharesCommon StockSEC:0001628280-26-043211:1
Canonical exit: 10 Sept 2026 (T+90)
3,574 shares0Common StockSEC:0000914190-26-000098:0
2,500 shares@ US$3.23990.0045% mcap19.9% of flowCommon StockSEC:0001628280-26-038861:0
Canonical exit: 24 Aug 2026 (T+90)
3,000 shares@ US$3.250.0054% mcap24.0% of flowCommon StockSEC:0001628280-26-038861:1
Canonical exit: 26 Aug 2026 (T+90)
3,610 shares0Common StockSEC:0000914190-26-000042:0
10,000 shares@ US$1.8931.6% of flowCommon StockSEC:0001628280-25-057101:0
Canonical exit: 11 Mar 2026 (T+90)
5,391 shares0Common StockSEC:0000914190-25-000039:0
22,418 shares0Common StockSEC:0001062993-25-000264:0
1,000 shares@ US$2.97138.1% of flowCommon StockSEC:0001679268-24-000092:0
Canonical exit: 12 Mar 2025 (T+90)
27,856 shares0Common StockSEC:0001679268-24-000042:0
2,000 shares@ US$2.220720.7% of flowCommon StockSEC:0001062993-24-011498:0
Canonical exit: 26 Aug 2024 (T+90)
2,000 shares@ US$3.57418.8% of flowCommon StockSEC:0001679268-24-000028:0
Canonical exit: 26 Aug 2024 (T+90)
3,000 shares@ US$3.71929.2% of flowCommon StockSEC:0001679268-24-000010:0
Canonical exit: 10 Jun 2024 (T+90)
7,000 shares@ US$2.447179.3% of flowCommon stockSEC:0001048462-24-000011:0
Canonical exit: 10 Jun 2024 (T+90)
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:0001437749-21-028833:0
25,641 shares0Common StockSEC:0001679268-21-000033:0
12,916 sharesCommon UnitsSEC:0001140361-16-046689:0
25 of 25 declarations
About Amron Arthur H
AMRON ARTHUR H is Administrateur at Mammoth Energy Services, INC., NEPHROS INC and Rhino Resource Partners LP. He has 24 filings in total, and across the sampled recent filings the transactions are attributions, with EUR 70892 of buys and EUR 0 of sells between 2016-01-05 and 2026-06-22.
