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Who

Rose M. Robeson

Director

Company insider

Files Form 4 as: Director, NPK International; Director, SM Energy; Director, Williams Companies; Director, Antero Midstream; Director, Tesco; Director, American Midstream Partners, LP; Sr. Vice President & CFO, DCP Midstream Partners, LP.

In numbers

Trades disclosed
83
Buys
2
Sells
5
Bought
$129K
Sold
$2.5M
Companies
7
Companies where not an officer
6
First trade
14 Feb 2013
Last trade
27 Aug 2026
Last filed
31 Aug 2026

Companies traded

Where they are an officer
DCP Midstream Partners, LPOfficer · last 4 Mar 20131 buy · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
NPKI NPK InternationalDirector · Business Services · last 27 Aug 20260 buys · 1 sell
SM SM EnergyDirector · Oil & Gas E&P · last 22 Jun 20261 buy · 4 sells
WMB Williams CompaniesDirector · Midstream & Pipelines · last 28 Apr 20260 buys · 0 sells
AM Antero MidstreamDirector · Midstream & Pipelines · last 8 Apr 20220 buys · 0 sells
TescoDirector · last 15 Dec 20170 buys · 0 sells
American Midstream Partners, LPDirector · last 20 Jul 20160 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
27 Aug 2026filed 31 Aug 2026NPKI NPK InternationalBusiness ServicesSEC FORM 4 Sold$135K10,000 at $13.49filing
27 Aug 2026filed 31 Aug 2026NPKI NPK InternationalBusiness ServicesSEC FORM 4 Sold$135K10,000 at $13.49filing
22 Jun 2026filed 23 Jun 2026SM SM EnergyOil & Gas E&PSEC FORM 4 Code A—6,166 at $0.00filing
22 Jun 2026filed 23 Jun 2026SM SM EnergyOil & Gas E&PSEC FORM 4 Code A—6,166 at $0.00filing
20 May 2026filed 21 May 2026NPKI NPK InternationalBusiness ServicesSEC FORM 4 Code A—10,862 at $0.00filing
20 May 2026filed 21 May 2026NPKI NPK InternationalBusiness ServicesSEC FORM 4 Code A—10,862 at $0.00filing
28 Apr 2026filed 30 Apr 2026WMB Williams CompaniesMidstream & PipelinesSEC FORM 4 Code A$279K3,818 at $73.04filing
28 Apr 2026filed 30 Apr 2026WMB Williams CompaniesMidstream & PipelinesSEC FORM 4 Code A$279K3,818 at $73.04filing
10 Jun 2025filed 11 Jun 2025SM SM EnergyOil & Gas E&PSEC FORM 4 Code A—7,982 at $0.00filing
15 May 2025filed 19 May 2025NPKI NPK InternationalBusiness ServicesSEC FORM 4 Code A—18,720 at $0.00filing
29 Apr 2025filed 1 May 2025WMB Williams CompaniesMidstream & PipelinesSEC FORM 4 Code A$185K3,100 at $59.67filing
16 Aug 2024filed 20 Aug 2024SM SM EnergyOil & Gas E&PSEC FORM 4 Sold$455K10,000 at $45.50filing
21 Jun 2024filed 21 Jun 2024SM SM EnergyOil & Gas E&PSEC FORM 4 Code A—3,850 at $0.00filing
16 May 2024filed 20 May 2024NPKI NPK InternationalBusiness ServicesSEC FORM 4 Code A—19,974 at $0.00filing
30 Apr 2024filed 2 May 2024WMB Williams CompaniesMidstream & PipelinesSEC FORM 4 Code A—4,823 at $0.00filing
23 Aug 2023filed 25 Aug 2023SM SM EnergyOil & Gas E&PSEC FORM 4 Sold$1.2M30,000 at $39.65filing
13 Jun 2023filed 14 Jun 2023SM SM EnergyOil & Gas E&PSEC FORM 4 Code A—6,541 at $0.00filing
18 May 2023filed 25 May 2023NPKI NPK InternationalBusiness ServicesSEC FORM 4 Code A—39,846 at $0.00filing
18 May 2023filed 22 May 2023NPKI NPK InternationalBusiness ServicesSEC FORM 4 Code A—46,272 at $0.00filing
25 Apr 2023filed 27 Apr 2023WMB Williams CompaniesMidstream & PipelinesSEC FORM 4 Code A—5,847 at $0.00filing

Sectors

Energy5
Industrials1
Not placed1

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

Related people

Ashwin VenkatramanDirector · Also traded SM in the last 90 days
Matthew James WarrenChief Accounting Officer · Also traded NPKI in the last 90 days
James Barker LebeckEVP, GC & Corp Secretary · Also traded SM in the last 90 days
Michael A. LewisDirector · Also traded NPKI in the last 90 days