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Who

Anthony R. Chase

Director

Company insider

Files Form 4 as: Director, Nabors Industries; Director, National Energy Services Reunited; Director, LyondellBasell Industries NV; Director, Cullen/Frost Bankers; Director, Par Pacific Holdings; Director, Heritage-Crystal Clean; Director, Anadarko Petroleum; Director, Paragon Offshore.

In numbers

Trades disclosed
277
Buys
34
Sells
12
Bought
$2.0M
Sold
$2.9M
Companies
11
Companies where not an officer
11
First trade
3 Jan 2006
Last trade
30 Sep 2026
Last filed
2 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
NBR Nabors IndustriesDirector · Oilfield services · last 30 Sep 20260 buys · 0 sells
NESR National Energy Services ReunitedDirector · Oilfield services · last 14 Aug 20260 buys · 0 sells
LYB LyondellBasell Industries NVDirector · Chemicals · last 22 May 20264 buys · 3 sells
CFR Cullen/Frost BankersDirector · Regional banks · last 29 Apr 20261 buy · 0 sells
PARR Par Pacific HoldingsDirector · Oil & Gas E&P · last 5 Oct 20240 buys · 0 sells
Heritage-Crystal CleanDirector · last 4 May 20210 buys · 0 sells
Anadarko PetroleumDirector · last 8 Aug 20192 buys · 0 sells
Paragon OffshoreDirector · last 19 May 20160 buys · 0 sells
SRPT Sarepta TherapeuticsDirector · Biotechnology · last 27 Feb 20159 buys · 4 sells
Western Gas Partners LPDirector · last 3 Dec 201316 buys · 3 sells
Cornell CompaniesDirector · last 12 Aug 20102 buys · 2 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
30 Sep 2026filed 2 Oct 2026NBR Nabors Industriesoption or derivative · Oilfield servicesSEC FORM 4 Code A$37K1,056 at $35.51filing
14 Aug 2026filed 17 Aug 2026NESR National Energy Services ReunitedOilfield servicesSEC FORM 4 Code A—15,000filing
14 Aug 2026filed 17 Aug 2026NESR National Energy Services ReunitedOilfield servicesSEC FORM 4 Code A—2,800filing
14 Aug 2026filed 17 Aug 2026NESR National Energy Services Reunitedoption or derivative · Oilfield servicesSEC FORM 4 Code M—15,000 at $0.00filing
14 Aug 2026filed 17 Aug 2026NESR National Energy Services Reunitedoption or derivative · Oilfield servicesSEC FORM 4 Code M—15,000 at $0.00filing
14 Aug 2026filed 17 Aug 2026NESR National Energy Services ReunitedOilfield servicesSEC FORM 4 Code A—15,000filing
14 Aug 2026filed 17 Aug 2026NESR National Energy Services ReunitedOilfield servicesSEC FORM 4 Code A—2,800filing
2 Jun 2026filed 3 Jun 2026NBR Nabors IndustriesOilfield servicesSEC FORM 4 Code A—1,324 at $0.00filing
2 Jun 2026filed 3 Jun 2026NBR Nabors IndustriesOilfield servicesSEC FORM 4 Code A—1,324 at $0.00filing
22 May 2026filed 26 May 2026LYB LyondellBasell Industries NVChemicalsSEC FORM 4 Code F$38K540 at $69.72filing
22 May 2026filed 26 May 2026LYB LyondellBasell Industries NVChemicalsSEC FORM 4 Code F$38K540 at $69.72filing
21 May 2026filed 26 May 2026LYB LyondellBasell Industries NVChemicalsSEC FORM 4 Code A—2,321 at $0.00filing
21 May 2026filed 26 May 2026LYB LyondellBasell Industries NVChemicalsSEC FORM 4 Code A—2,321 at $0.00filing
29 Apr 2026filed 27 May 2026CFR Cullen/Frost Bankersoption or derivative · Regional banksSEC FORM 4 Code A—630 at $0.00filing
29 Apr 2026filed 27 May 2026CFR Cullen/Frost Bankersoption or derivative · Regional banksSEC FORM 4 Code A—630 at $0.00filing
3 Jun 2025filed 4 Jun 2025NBR Nabors IndustriesOilfield servicesSEC FORM 4 Code A—6,277 at $0.00filing
23 May 2025filed 28 May 2025LYB LyondellBasell Industries NVChemicalsSEC FORM 4 Code F$18K314 at $56.13filing
22 May 2025filed 27 May 2025LYB LyondellBasell Industries NVChemicalsSEC FORM 4 Code A—2,917 at $0.00filing
30 Apr 2025filed 1 May 2025CFR Cullen/Frost Bankersoption or derivative · Regional banksSEC FORM 4 Code A—730 at $0.00filing
31 Dec 2024filed 2 Jan 2025LYB LyondellBasell Industries NVChemicalsSEC FORM 4 Code A—419 at $0.00filing

Sectors

Health Care13
Materials7
Financials1
Not placed25

Buys in green, sells in red, by the company’s sector.

Related people

Matthew D. HayesSVP & CAO · SVP & CAO at LyondellBasell Industries, filing Form 4 there in the last year
Bridget E. KarlinDirector · Director at LyondellBasell Industries, filing Form 4 there in the last year
Virginia A. KamskyDirector · Director at LyondellBasell Industries, filing Form 4 there in the last year
Rodriguez Miguel Angel RodriguezChief Financial Officer · Chief Financial Officer at Nabors Industries, filing Form 4 there in the last year
Mejia Antonio J. CampoDirector · Director at National Energy Services Reunited, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded SRPT in the last 90 days