I'm LongbridgeAI, I can summarize articles.Mammoth Energy Services director Mark Lawrence Plaumann purchased 5,000 common shares at $3 per share, totaling $15,000. This transaction increased his direct holdings to 5,000 shares. The disclosure was filed via EDGAR on September 17, 2026.
- Mammoth Energy Services director Mark Lawrence Plaumann bought 5,000 common shares at USD 3 per share. * Holding rose to 5,000 shares, owned directly. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Mammoth Energy Services Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001628280-26-062552), on September 17, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here