Anthony R. Chase

Companies

• National Energy Services Reunited Corp.Board member Jan 2, 2026 to now¹
• LyondellBasellBoard member Jun 2, 2021 to now²
• Frost BankBoard member Apr 30, 2020 to now³
• Nabors IndustriesBoard member Mar 4, 2019 to now⁴
• PAR PACIFIC HOLDINGS, INC.Board member Aug 9, 2021 to Oct 8, 2024⁵
• Heritage-Crystal Clean, Inc.Board member May 5, 2021 to May 5, 2021⁶
• Anadarko PetroleumBoard member Feb 13, 2014 to Aug 9, 2019⁷
• HUMANIGEN, INCBoard member Dec 7, 2015 to Dec 7, 2015⁸
• Sarepta TherapeuticsBoard member Apr 22, 2010 to Mar 3, 2015⁹
• Western Midstream Operating, LPBoard member May 8, 2008 to Feb 13, 2014¹⁰

Holdings

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

Shares held

• PPPAR PACIFIC HOLDINGS, INC. PARR10,529 shares¹¹$871.7K at $82.80Oct 5, 2023
• LyondellBasell LYB13,603 shares¹²$861.1K at $63.30May 22, 2026
• NENational Energy Services Reunited Corp. NESR17,800 shares¹³$345.3K at $19.40Aug 14, 2026
• Frost Bank CFR1 shares¹⁴$154 at $153.59Jun 23, 2022

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

Recent filings

• Aug 14, 2026Granted 2,800 shares of National Energy Services Reunited Corp.¹³
• Aug 14, 2026Granted 15,000 shares of National Energy Services Reunited Corp.¹³
• Jun 2, 2026Granted 1,324 shares of CIK 1163739¹⁵
• May 22, 2026Shares withheld for tax 540 shares at $69.72 of LyondellBasell¹²
• May 21, 2026Granted 2,321 shares of LyondellBasell¹²
• Jun 3, 2025Granted 6,277 shares of CIK 1163739¹⁶
• May 23, 2025Shares withheld for tax 314 shares at $56.13 of LyondellBasell¹⁷
• May 22, 2025Granted 2,917 shares of LyondellBasell¹⁸
• Dec 31, 2024Granted 419 shares of LyondellBasell¹⁹
• Sep 30, 2024Granted 472 shares of LyondellBasell²⁰
• Sep 30, 2024Shares withheld for tax 86 shares at $95.90 of LyondellBasell²⁰
• Jun 28, 2024Granted 351 shares of LyondellBasell²¹
• Jun 4, 2024Granted 951 shares of CIK 1163739²²
• May 23, 2024Granted 1,692 shares of LyondellBasell²³
• May 18, 2024Shares withheld for tax 305 shares at $100.91 of LyondellBasell²⁴
• Mar 31, 2024Granted 410 shares of LyondellBasell²⁵
• Mar 31, 2024Shares withheld for tax 50 shares at $102.28 of LyondellBasell²⁵
• Dec 31, 2023Granted 189 shares of LyondellBasell²⁶
• Oct 5, 2023Other 2,103 shares of PAR PACIFIC HOLDINGS, INC.¹¹
• Sep 30, 2023Granted 236 shares of LyondellBasell²⁷
• Jul 5, 2023Other 2,630 shares of PAR PACIFIC HOLDINGS, INC.²⁸
• Jun 30, 2023Granted 221 shares of LyondellBasell²⁹
• Jun 6, 2023Granted 1,291 shares of CIK 1163739³⁰
• May 26, 2023Shares withheld for tax 264 shares at $87.31 of LyondellBasell³¹
• May 18, 2023Granted 1,860 shares of LyondellBasell³²