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Who

Robert F. Martinovich

Director

Company insider

Files Form 4 as: Director, Core Laboratories; EVP & Chief Admin. Officer, Oneok; EVP, Chief Administrative Ofc, ONEOK Partners LP; EVP, Chief Administrative Ofc, Oneok.

In numbers

Trades disclosed
182
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
4
Companies where not an officer
1
First trade
17 Jan 2008
Last trade
1 Apr 2026
Last filed
7 Apr 2026

Companies traded

Where they are an officer
OKE OneokOfficer · Midstream & Pipelines · last 23 Feb 20220 buys · 0 sells
OneokOfficer · last 30 Jun 20170 buys · 0 sells
ONEOK Partners LPOfficer · last 30 Jun 20170 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
CLB Core LaboratoriesDirector · Oilfield services · last 1 Apr 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
1 Apr 2026filed 7 Apr 2026CLB Core LaboratoriesOilfield servicesSEC FORM 4 Code M—8,069 at $0.00filing
1 Apr 2026filed 7 Apr 2026CLB Core Laboratoriesoption or derivative · Oilfield servicesSEC FORM 4 Code A—7,895 at $0.00filing
1 Apr 2026filed 7 Apr 2026CLB Core Laboratoriesoption or derivative · Oilfield servicesSEC FORM 4 Code M—8,069 at $0.00filing
1 Apr 2026filed 7 Apr 2026CLB Core Laboratoriesoption or derivative · Oilfield servicesSEC FORM 4 Code A—7,895 at $0.00filing
1 Apr 2026filed 7 Apr 2026CLB Core Laboratoriesoption or derivative · Oilfield servicesSEC FORM 4 Code M—8,069 at $0.00filing
1 Apr 2026filed 7 Apr 2026CLB Core LaboratoriesOilfield servicesSEC FORM 4 Code M—8,069 at $0.00filing
23 Feb 2022filed 25 Feb 2022OKE Oneokoption or derivative · Midstream & PipelinesSEC FORM 4 Code A$800K13,162 at $60.78filing
23 Feb 2022filed 25 Feb 2022OKE Oneokoption or derivative · Midstream & PipelinesSEC FORM 4 Code A$200K3,291 at $60.78filing
20 Feb 2022filed 28 Dec 2022OKE OneokMidstream & PipelinesSEC FORM 4 Code F$383K6,191 at $61.81filing
20 Feb 2022filed 23 Feb 2022OKE Oneokoption or derivative · Midstream & PipelinesSEC FORM 4 Code A$681K11,025.22 at $61.81filing
20 Feb 2022filed 23 Feb 2022OKE Oneokoption or derivative · Midstream & PipelinesSEC FORM 4 Code A$170K2,758.03 at $61.81filing
20 Feb 2022filed 23 Feb 2022OKE OneokMidstream & PipelinesSEC FORM 4 Code A$859K13,891.77 at $61.81filing
20 Feb 2022filed 23 Feb 2022OKE OneokMidstream & PipelinesSEC FORM 4 Code F$382K6,187 at $61.81filing
20 Feb 2022filed 23 Feb 2022OKE OneokMidstream & PipelinesSEC FORM 4 Code A$170K2,758.03 at $61.81filing
20 Feb 2022filed 23 Feb 2022OKE OneokMidstream & PipelinesSEC FORM 4 Code F$75K1,217 at $61.81filing
21 Feb 2021filed 23 Feb 2021OKE OneokMidstream & PipelinesSEC FORM 4 Code M$1.1M24,515.52 at $45.39filing
21 Feb 2021filed 23 Feb 2021OKE OneokMidstream & PipelinesSEC FORM 4 Code F$497K10,956.52 at $45.39filing
21 Feb 2021filed 23 Feb 2021OKE OneokMidstream & PipelinesSEC FORM 4 Code M$150K3,311.48 at $45.39filing
21 Feb 2021filed 23 Feb 2021OKE OneokMidstream & PipelinesSEC FORM 4 Code F$67K1,469.48 at $45.39filing
21 Feb 2021filed 23 Feb 2021OKE Oneokoption or derivative · Midstream & PipelinesSEC FORM 4 Code M$666K14,679.95 at $45.39filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Mary M. SpearsOfficer · Officer at Oneok Inc /new/, filing Form 4 there in the last year
Walter S. Hulse IIIOfficer · Officer at Oneok Inc /new/, filing Form 4 there in the last year
Lyndon C. TaylorOfficer · Officer at Oneok Inc /new/, filing Form 4 there in the last year
Kevin L. BurdickOfficer · Officer at Oneok Inc /new/, filing Form 4 there in the last year
Sheridan C. SwordsOfficer · Officer at Oneok Inc /new/, filing Form 4 there in the last year