Company · CIK 0001423902 · SIC 4922 — Natural Gas Transmission · NYSE

Western Midstream Partners, LP · WES

Insider activity reported against this company. All insider holders · Files at: WES. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market activity at this companybuys $276k · 2sales $612.0M · 5net −$611.8M

Reported at this company — common stock

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake	Flags
Aug 12, 2026 PForm 4 →	Aug 12, 4:13 pm EDT	Frederick A. ForthuberDirector	5,140	$48.62	$249,907	5,140	—
Feb 28, 2019 AForm 4 →	Mar 4, 6:56 pm EST	ANADARKO PETROLEUM CORP +410% Owner	80,817,456	—	—	251,197,501	—	plan?
Feb 28, 2019 AForm 4 →	Mar 4, 6:19 pm EST	James R CraneDirector	20,010	—	—	86,010	—	plan?
Feb 28, 2019 AForm 4 →	Mar 4, 6:07 pm EST	David J TudorDirector	19,092	—	—	27,555	—	plan?
Feb 28, 2019 AForm 4 →	Mar 4, 6:02 pm EST	Robert G GwinDirector	7,625	—	—	107,625	—	plan?
Feb 28, 2019 AForm 4 →	Mar 4, 5:57 pm EST	Benjamin Matthew FinkChairman of the Board, Director	3,375	—	—	22,058	—	plan?
Feb 28, 2019 AForm 4 →	Mar 4, 5:44 pm EST	Milton CarrollDirector	15,774	—	—	15,774	—	plan?
Feb 28, 2019 AForm 4 →	Mar 4, 5:42 pm EST	Steven D ArnoldDirector	57,856	—	—	65,356	—	plan?
Jun 7, 2018 JForm 4 →	Jun 7, 7:11 pm EDT	ANADARKO PETROLEUM CORP +110% Owner	8,207,320	—	—	170,380,045	—	plan?
May 31, 2018 MForm 4 →	Jun 4, 4:36 pm EDT	David J TudorDirector	1,153	—	—	8,463	—	plan?
May 31, 2018 FMForm 4 →	Jun 4, 4:31 pm EDT	Craig W. StewartDirector	3,412	$36.70	$40,627	26,404	—	plan?
May 31, 2018 MForm 4 →	Jun 4, 4:25 pm EDT	Thomas R HixDirector	2,305	—	—	11,477	—	plan?
May 5, 2017 MForm 4 →	May 9, 4:31 pm EDT	David J TudorDirector	1,132	—	—	7,310	—	plan?
May 5, 2017 FMForm 4 →	May 9, 4:28 pm EDT	Craig W. StewartDirector	3,350	$44.40	$48,263	25,206	—	plan?
May 5, 2017 MForm 4 →	May 9, 4:25 pm EDT	Thomas R HixDirector	2,263	—	—	9,172	—	plan?
Nov 20, 2016 FMForm 4 →	Nov 21, 5:16 pm EST	Benjamin Matthew FinkSVP, CFO & Treasurer	3,615	$43.28	$33,629	18,683	—	plan?
Nov 20, 2016 FMForm 4 →	Nov 21, 5:14 pm EST	Donald R. SinclairCEO, President & Director, Director	7,956	$43.28	$81,150	129,873	—	plan?
Jun 17, 2016 SForm 4 →	Jun 21, 6:42 pm EDT	Donald R. SinclairCEO, President & Director, Director	50,000	$36.26	$1,813,235	125,667	−28.5%	plan?
Jun 17, 2016 SForm 4 →	Jun 17, 4:56 pm EDT	ANADARKO PETROLEUM CORP +110% Owner	12,500,000	$38.09	$476,125,000	178,587,365	−6.54%	plan?
Jun 2, 2016 SForm 4 →	Jun 6, 8:18 pm EDT	Donald R. SinclairCEO, President & Director, Director	27,970	$42.35	$1,184,457	175,667	−13.7%	plan?
May 31, 2016 SForm 4 →	Jun 1, 6:06 pm EDT	Donald R. SinclairCEO, President & Director, Director	72,030	$42.81	$3,083,497	203,637	−26.1%	plan?
May 13, 2016 MForm 4 →	May 17, 7:41 pm EDT	David J TudorDirector	724	$40.20	$29,105	6,178	—	plan?
May 13, 2016 MForm 4 →	May 17, 7:38 pm EDT	Thomas R HixDirector	1,447	$40.20	$58,169	6,909	—	plan?
May 13, 2016 FMForm 4 →	May 17, 7:31 pm EDT	Craig W. StewartDirector	2,142	$40.20	$86,108	24,030	—	plan?
Nov 20, 2015 FMForm 4 →	Nov 24, 7:23 pm EST	Benjamin Matthew FinkSVP, CFO & Treasurer	3,615	$38.26	$29,728	16,622	—	plan?
Nov 20, 2015 FMForm 4 →	Nov 24, 7:09 pm EST	Donald R. SinclairCEO, President & Director, Director	8,531	$38.26	$93,737	275,667	—	plan?
Jun 10, 2015 SForm 4 →	Jun 11, 6:41 pm EDT	ANADARKO PETROLEUM CORP +110% Owner	2,300,000	$56.45	$129,835,000	191,087,365	−1.19%	plan?
May 22, 2015 FMForm 4 →	May 27, 6:02 pm EDT	Craig W. StewartDirector	2,446	$63.43	$43,576	23,278	—	plan?
May 22, 2015 MForm 4 →	May 27, 5:41 pm EDT	David J TudorDirector	880	—	—	5,454	—	plan?
May 22, 2015 MForm 4 →	May 27, 5:36 pm EDT	Thomas R HixDirector	1,759	—	—	5,462	—	plan?
Jan 14, 2015 PForm 4 →	Jan 15, 5:36 pm EST	David J TudorDirector	500	$51.95	$25,976	4,574	+12.3%	plan?
Apr 1, 2013 GJForm 5 →	Feb 10, 2015, 5:51 pm EST	Donald R. SinclairCEO, President & Director, Director	90,499	—	—	0	—	plan?

Reported at this company — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake
Feb 28, 2019 AForm 4 →	Mar 4, 6:19 pm EST	James R CraneDirector	3,058	—	—	3,058	—
Feb 28, 2019 AForm 4 →	Mar 4, 6:07 pm EST	David J TudorDirector	3,058	—	—	3,058	—
Feb 28, 2019 AForm 4 →	Mar 4, 5:44 pm EST	Milton CarrollDirector	3,058	—	—	3,058	—
Feb 28, 2019 AForm 4 →	Mar 4, 5:42 pm EST	Steven D ArnoldDirector	3,058	—	—	3,058	—
Jun 7, 2018 JForm 4 →	Jun 7, 7:11 pm EDT	ANADARKO PETROLEUM CORP +110% Owner	9,200,000	—	—	0	—
May 31, 2018 MForm 4 →	Jun 4, 4:36 pm EDT	David J TudorDirector	1,153	—	—	0	—
May 31, 2018 MForm 4 →	Jun 4, 4:31 pm EDT	Craig W. StewartDirector	2,305	—	—	0	—
May 31, 2018 MForm 4 →	Jun 4, 4:25 pm EDT	Thomas R HixDirector	2,305	—	—	0	—
May 8, 2018 AForm 4 →	May 9, 4:57 pm EDT	David J TudorDirector	1,426	—	—	1,426	—
May 8, 2018 AForm 4 →	May 9, 4:53 pm EDT	Craig W. StewartDirector	2,851	—	—	2,851	—
May 8, 2018 AForm 4 →	May 9, 4:49 pm EDT	Thomas R HixDirector	2,851	—	—	2,851	—
May 31, 2017 AForm 4 →	Jun 1, 4:49 pm EDT	David J TudorDirector	1,153	—	—	1,153	—
May 31, 2017 AForm 4 →	Jun 1, 4:47 pm EDT	Craig W. StewartDirector	2,305	—	—	2,305	—
May 31, 2017 AForm 4 →	Jun 1, 4:44 pm EDT	Thomas R HixDirector	2,305	—	—	2,305	—
May 5, 2017 MForm 4 →	May 9, 4:31 pm EDT	David J TudorDirector	1,132	—	—	0	—
May 5, 2017 MForm 4 →	May 9, 4:28 pm EDT	Craig W. StewartDirector	2,263	—	—	0	—
May 5, 2017 MForm 4 →	May 9, 4:25 pm EDT	Thomas R HixDirector	2,263	—	—	0	—
Nov 20, 2016 MForm 4 →	Nov 21, 5:16 pm EST	Benjamin Matthew FinkSVP, CFO & Treasurer	2,838	—	—	0	—
Nov 20, 2016 MForm 4 →	Nov 21, 5:14 pm EST	Donald R. SinclairCEO, President & Director, Director	6,081	—	—	0	—
May 13, 2016 MForm 4 →	May 17, 7:41 pm EDT	David J TudorDirector	724	—	—	0	—
May 13, 2016 MForm 4 →	May 17, 7:38 pm EDT	Thomas R HixDirector	1,447	—	—	0	—
May 13, 2016 MForm 4 →	May 17, 7:31 pm EDT	Craig W. StewartDirector	1,447	—	—	0	—
May 5, 2016 AForm 4 →	May 9, 7:29 pm EDT	David J TudorDirector	1,132	—	—	1,132	—
May 5, 2016 AForm 4 →	May 9, 7:27 pm EDT	Craig W. StewartDirector	2,263	—	—	2,263	—
May 5, 2016 AForm 4 →	May 9, 7:24 pm EDT	Thomas R HixDirector	2,263	—	—	2,263	—
Nov 20, 2015 MForm 4 →	Nov 24, 7:23 pm EST	Benjamin Matthew FinkSVP, CFO & Treasurer	2,838	—	—	2,838	—
Nov 20, 2015 MForm 4 →	Nov 24, 7:09 pm EST	Donald R. SinclairCEO, President & Director, Director	6,081	—	—	6,081	—
Jun 16, 2015 JForm 4 →	Jun 17, 4:57 pm EDT	ANADARKO PETROLEUM CORP +110% Owner	1,200,000	—	—	9,200,000	—
Jun 10, 2015 JForm 4 →	Jun 11, 6:41 pm EDT	ANADARKO PETROLEUM CORP +110% Owner	8,000,000	—	—	8,000,000	—
May 22, 2015 MForm 4 →	May 27, 6:02 pm EDT	Craig W. StewartDirector	1,759	—	—	0	—
May 22, 2015 MForm 4 →	May 27, 5:41 pm EDT	David J TudorDirector	880	—	—	0	—
May 22, 2015 MForm 4 →	May 27, 5:36 pm EDT	Thomas R HixDirector	1,759	—	—	0	—
May 13, 2015 AForm 4 →	May 14, 7:55 pm EDT	David J TudorDirector	724	—	—	724	—
May 13, 2015 AForm 4 →	May 14, 7:52 pm EDT	Craig W. StewartDirector	1,447	—	—	1,447	—
May 13, 2015 AForm 4 →	May 14, 7:49 pm EDT	Thomas R HixDirector	1,447	—	—	1,447	—

Filed by this entity as an insider elsewhere — common stock

No reported common-stock activity in this period.

Filed by this entity as an insider elsewhere — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.