Edgar R. Giesinger Jr.

Companies

• MACH NATURAL RESOURCES LPBoard member Oct 24, 2023 to now¹
• Solaris Energy Infrastructure, Inc.Board member May 11, 2017 to now²
• Geospace TechnologiesBoard member Nov 20, 2015 to now³
• Newfield ExplorationBoard member Aug 14, 2017 to Feb 14, 2019⁴

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. SEI94,202 shares⁵$6.2M at $65.77Aug 23, 2026
• MNMACH NATURAL RESOURCES LP MNR29,111 shares⁶$315.9K at $10.85Oct 28, 2025
• Geospace Technologies GEOS43,000 shares⁷$188.8K at $4.39Feb 9, 2026

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

Recent filings

• Aug 23, 2026Granted 3,246 shares of Solaris Energy Infrastructure, Inc.⁵
• Feb 9, 2026Granted 3,500 shares of Geospace Technologies⁷
• Oct 28, 2025Granted 12,039 shares at $12.46 of MACH NATURAL RESOURCES LP⁶
• Aug 25, 2025Sold 10,000 shares at $28.86 of Solaris Energy Infrastructure, Inc.⁸
• Aug 23, 2025Granted 6,052 shares of Solaris Energy Infrastructure, Inc.⁸
• Feb 6, 2025Granted 7,200 shares of Geospace Technologies⁹
• Oct 27, 2024Granted 9,180 shares at $16.34 of MACH NATURAL RESOURCES LP¹⁰
• Aug 23, 2024Granted 13,225 shares of Solaris Energy Infrastructure, Inc.¹¹
• Feb 7, 2024Granted 4,200 shares of Geospace Technologies¹²
• Oct 27, 2023Granted 7,895 shares of MACH NATURAL RESOURCES LP¹³
• Aug 23, 2023Granted 11,905 shares of Solaris Energy Infrastructure, Inc.¹⁴
• Feb 9, 2023Granted 9,000 shares of Geospace Technologies¹⁵
• Aug 23, 2022Granted 11,236 shares of Solaris Energy Infrastructure, Inc.¹⁶
• Feb 2, 2022Granted 5,500 shares of Geospace Technologies¹⁷