ARMSTRONG GREG L

Director at NATIONAL OILWELL VARCO INC · on record since Feb 22, 2006
Director at PLAINS ALL AMERICAN PIPELINE LP · on record since Nov 15, 2006
Chairman of the Board & CEO at PLAINS ALL AMERICAN PIPELINE LP · on record since Nov 15, 2006
Director at BreitBurn Energy Partners L.P. · on record since Oct 10, 2006
Director at PLAINS GP HOLDINGS LP · on record since Oct 23, 2013
10% owner at PLAINS GP HOLDINGS LP · on record since Oct 21, 2013
Director at VARCO INTERNATIONAL INC /DE/ · on record since May 24, 2004
Director at PAA NATURAL GAS STORAGE LP · on record since Apr 29, 2010
Chairman of the Board & CEO at PAA NATURAL GAS STORAGE LP · on record since May 5, 2010
Chairman of the Board & CEO at PLAINS GP HOLDINGS LP · on record since Aug 10, 2015

Insider trading activity of ARMSTRONG GREG L

Transactions on record: 198; since Aug 4, 2003

Open-market buys: 22; $24.5M

Open-market sells: 28; $1.9M

Companies traded: 6; last filing Aug 12, 2025

Figures computed from official regulatory filings — methodology.

Companies where ARMSTRONG GREG L has traded

PLAINS GP HOLDINGS LP25 tx · $18M · Aug 12, 2025
NATIONAL OILWELL VARCO INC33 tx · $940.2K · May 22, 2025
PLAINS ALL AMERICAN PIPELINE LP113 tx · $15.5M · Aug 16, 2018
PAA NATURAL GAS STORAGE LP9 tx · $2.2M · Jan 2, 2014
BreitBurn Energy Partners L.P.14 tx · Feb 19, 2008
VARCO INTERNATIONAL INC /DE/4 tx · Mar 15, 2005

Track record of ARMSTRONG GREG L

Statistical track record

Free

Open-market buys: 22

Last buy: Mar 18, 2020

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Transaction history of ARMSTRONG GREG L

Co-insiders of ARMSTRONG GREG L

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Company	Filed	Type	Qty	Price	Value · USD	Src
PLAINS GP HOLDINGS LP	Aug 12, 2025	Gift	-100,000	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 22, 2025	Other	6,869	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 16, 2024	Award	9,550	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 18, 2023	Award	12,000	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	Aug 30, 2022	Sell	-10,381	18.99 USD	$197.1K	SEC
NATIONAL OILWELL VARCO INC	May 26, 2022	Award	8,473	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 20, 2021	Award	9,819	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 21, 2020	Award	12,462	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Mar 18, 2020	Buy	100,000	3.80 USD	$380K	SEC
PLAINS GP HOLDINGS LP	Mar 16, 2020	Buy	10,000	7.00 USD	$70K	SEC
PLAINS GP HOLDINGS LP	Mar 16, 2020	Buy	10,000	7.50 USD	$75K	SEC
PLAINS GP HOLDINGS LP	Feb 24, 2020	Buy	70,187	15.90 USD	$1.1M	SEC
PLAINS GP HOLDINGS LP	Dec 27, 2019	Exercise	115,000	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Dec 27, 2019	ExerciseD	-115,000	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Nov 20, 2019	Buy	60,000	17.14 USD	$1M	SEC
NATIONAL OILWELL VARCO INC	May 29, 2019	Award	8,219	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Jan 16, 2019	Gift	-350,000	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Sep 21, 2018	ExerciseD	-1,150,000	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Sep 21, 2018	Exercise	1,150,000	0.00 USD	$0	SEC
PLAINS ALL AMERICAN PIPELINE LP	Aug 16, 2018	Other	-14,432	26.80 USD	$386.8K	SEC
PLAINS ALL AMERICAN PIPELINE LP	Aug 16, 2018	ExerciseD	-50,000	0.00 USD	$0	SEC
PLAINS ALL AMERICAN PIPELINE LP	Aug 16, 2018	Exercise	50,000	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 14, 2018	Award	4,429	0.00 USD	$0	SEC
PLAINS ALL AMERICAN PIPELINE LP	Feb 1, 2018	Gift	-20,000	0.00 USD	$0	SEC
PLAINS ALL AMERICAN PIPELINE LP	Feb 1, 2018	Gift	-30,000	0.00 USD	$0	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
PLAINS GP HOLDINGS LP	Aug 12, 2025	Gift	-100,000	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 22, 2025	Other	6,869	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 16, 2024	Award	9,550	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 18, 2023	Award	12,000	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	Aug 30, 2022	Sell	-10,381	18.99 USD	$197.1K	SEC
NATIONAL OILWELL VARCO INC	May 26, 2022	Award	8,473	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 20, 2021	Award	9,819	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 21, 2020	Award	12,462	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Mar 18, 2020	Buy	100,000	3.80 USD	$380K	SEC
PLAINS GP HOLDINGS LP	Mar 16, 2020	Buy	10,000	7.00 USD	$70K	SEC
PLAINS GP HOLDINGS LP	Mar 16, 2020	Buy	10,000	7.50 USD	$75K	SEC
PLAINS GP HOLDINGS LP	Feb 24, 2020	Buy	70,187	15.90 USD	$1.1M	SEC
PLAINS GP HOLDINGS LP	Dec 27, 2019	Exercise	115,000	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Dec 27, 2019	ExerciseD	-115,000	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Nov 20, 2019	Buy	60,000	17.14 USD	$1M	SEC
NATIONAL OILWELL VARCO INC	May 29, 2019	Award	8,219	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Jan 16, 2019	Gift	-350,000	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Sep 21, 2018	ExerciseD	-1,150,000	0.00 USD	$0	SEC
PLAINS GP HOLDINGS LP	Sep 21, 2018	Exercise	1,150,000	0.00 USD	$0	SEC
PLAINS ALL AMERICAN PIPELINE LP	Aug 16, 2018	Other	-14,432	26.80 USD	$386.8K	SEC
PLAINS ALL AMERICAN PIPELINE LP	Aug 16, 2018	ExerciseD	-50,000	0.00 USD	$0	SEC
PLAINS ALL AMERICAN PIPELINE LP	Aug 16, 2018	Exercise	50,000	0.00 USD	$0	SEC
NATIONAL OILWELL VARCO INC	May 14, 2018	Award	4,429	0.00 USD	$0	SEC
PLAINS ALL AMERICAN PIPELINE LP	Feb 1, 2018	Gift	-20,000	0.00 USD	$0	SEC
PLAINS ALL AMERICAN PIPELINE LP	Feb 1, 2018	Gift	-30,000	0.00 USD	$0	SEC