• Smart Sand executive vice president of Last Mile Solutions Ronald P. Whelan bought 4,444 common shares in an open-market purchase.
• Purchase price was USD 4.5 per share.
• Whelan’s direct holding rose to 472,941 common shares.

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. Smart Sand 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: 0001687143-26-000015), on June 01, 2026, and is solely responsible for the information contained therein.