Stephan E. Tompsett

Companies

• Solaris Energy Infrastructure, Inc.Chief financial officer Feb 17, 2026 to now¹
• Aris Water Solutions, Inc.Chief financial officer Sep 7, 2022 to now²
• Tesoro CorporationVice President and Treasurer Aug 31, 2016 to Oct 3, 2018³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• SESolaris Energy Infrastructure, Inc. SEI30,000 shares⁴$2.0M at $65.77Feb 12, 2026
• AWAris Water Solutions, Inc.0 shares⁵Oct 15, 2025

As of each latest filing. The line shows shares held over time.

Recent filings

• Feb 12, 2026Granted 30,000 shares of Solaris Energy Infrastructure, Inc.⁴
• Oct 15, 2025Returned to company 137,050 shares of Aris Water Solutions, Inc.⁵
• Sep 2, 2025Shares withheld for tax 3,459 shares at $24.27 of Aris Water Solutions, Inc.⁶
• Mar 12, 2025Sold 20,000 shares at $30.00 of Aris Water Solutions, Inc.⁷
• Mar 6, 2025Granted 42,414 shares of Aris Water Solutions, Inc.⁸
• Mar 1, 2025Shares withheld for tax 15,144 shares at $31.46 of Aris Water Solutions, Inc.⁹
• Sep 1, 2024Shares withheld for tax 2,347 shares at $16.82 of Aris Water Solutions, Inc.¹⁰
• Mar 1, 2024Granted 65,085 shares of Aris Water Solutions, Inc.¹¹
• Mar 1, 2024Shares withheld for tax 4,088 shares at $12.04 of Aris Water Solutions, Inc.¹¹
• Sep 1, 2023Shares withheld for tax 2,140 shares at $10.24 of Aris Water Solutions, Inc.¹²
• Mar 10, 2023Granted 50,364 shares of Aris Water Solutions, Inc.¹³
• Sep 7, 2022Granted 26,365 shares of Aris Water Solutions, Inc.¹⁴