Wexford Capital LP

This profile gathers the share dealings of Wexford Capital LP across 4 companies, led by Mammoth Energy Services, Inc., Nephros Inc and Rhino Resource Partners LP. Over a trading history stretching from 31 December 2015 to 14 September 2026, the count stands at 32 filings.

The open-market side counts 11 purchases for €9.6M alongside 3 sales for €3.2M. Taken together, the purchases exceed the sales by €6.4M. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 5 share grants and 5 option exercises. So far in 2026, the count stands at 1 purchase and no sales.

In size, the median ticket on the buying side is €45k. On 1 out of 11 purchases, another insider of the same company was buying within the same 30 days. A cluster is several different insiders buying the same stock within a short window, a pattern studied more closely than a single purchase.

The newest entry dates from 16 September 2026: a transaction, in Nephros Inc. The clock since the last published purchase (22 June 2026) now reads 124 days. The median gap between a trade and its publication by SEC (Form 4) is 2 days. Section 16 rules allow two business days to file each Form 4. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.