DORMAN MARGARET K

Director at Exterran Energy Corp. · on record since Jul 25, 2006
Director at EQT Corp · on record since Jan 17, 2012
SVP, CFO & Treasurer at SMITH INTERNATIONAL INC · on record since Dec 3, 2003
Director at RANGE RESOURCES CORP · on record since May 15, 2026
Director at Midstream Co LLC · on record since Nov 14, 2018

Insider trading activity of DORMAN MARGARET K

Transactions on record: 102; since Dec 3, 2003

Open-market buys: 6; $511.1K

Open-market sells: 28; $19.2M

Companies traded: 5; last filing May 15, 2026

Figures computed from official regulatory filings — .

Companies where DORMAN MARGARET K has traded

RANGE RESOURCES CORP15 tx · $3M · May 15, 2026
Midstream Co LLC12 tx · $441.4K · Jan 4, 2022
EQT Corp7 tx · $275.8K · Jan 3, 2018
SMITH INTERNATIONAL INC56 tx · $30.9M · Feb 5, 2009
Exterran Energy Corp.12 tx · Aug 20, 2007

Track record of DORMAN MARGARET K

Statistical track record

Free account

Open-market buys: 6

Last buy: Nov 7, 2019

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of DORMAN MARGARET K

Co-insiders of DORMAN MARGARET K

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
RANGE RESOURCES CORPListing on record	May 15, 2026	Other	-5,258	41.49 USD	$218.2K		SEC
RANGE RESOURCES CORPListing on record	May 15, 2026	Award	4,967	41.27 USD	$205K		SEC
RANGE RESOURCES CORPListing on record	May 15, 2026	Other	5,258	41.49 USD	$218.2K		SEC
RANGE RESOURCES CORPListing on record	Mar 19, 2026	Sell	-9,820	43.42 USD	$426.4K		SEC
RANGE RESOURCES CORPListing on record	Mar 19, 2026	Sell	-2,680	43.24 USD	$115.9K		SEC
RANGE RESOURCES CORPListing on record	May 15, 2025	Other	5,410	36.73 USD	$198.7K	Unusual size	SEC
RANGE RESOURCES CORPListing on record	May 15, 2025	Award	5,258	38.99 USD	$205K		SEC
RANGE RESOURCES CORPListing on record	May 15, 2025	Other	-5,410	36.73 USD	$198.7K	Unusual size	SEC
RANGE RESOURCES CORPListing on record	May 9, 2024	Award	5,410	36.97 USD	$200K		SEC
RANGE RESOURCES CORPListing on record	May 12, 2023	Award	7,978	25.07 USD	$200K		SEC
RANGE RESOURCES CORPListing on record	May 13, 2022	Award	7,267	27.52 USD	$200K	Unusual size	SEC
Midstream Co LLCListing unverified	Jan 4, 2022	AwardD (derivative)	14,510	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RANGE RESOURCES CORPListing on record	May 13, 2021	Award	15,013	11.99 USD	$180K	Unusual size	SEC
Midstream Co LLCListing unverified	Jan 5, 2021	AwardD (derivative)	18,660	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Midstream Co LLCListing unverified	Jun 17, 2020	Award	26,840	—	n/a (No price was disclosed in the filing)		SEC
RANGE RESOURCES CORPListing on record	May 15, 2020	Award	33,457	5.38 USD	$180K	Unusual size	SEC
Midstream Co LLCListing unverified	Jan 3, 2020	AwardD (derivative)	11,230	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Midstream Co LLCListing unverified	Nov 8, 2019	Buy	7,000	12.25 USD	$85.8K	conv 34	SEC
RANGE RESOURCES CORPListing on record	Aug 29, 2019	Buy	20,500	3.40 USD	$69.7K	conv 41	SEC
Midstream Co LLCListing unverified	Aug 1, 2019	Buy	7,750	16.11 USD	$124.9K	conv 72Cluster	SEC
Midstream Co LLCListing unverified	Aug 1, 2019	Buy	7,750	16.11 USD	$124.9K	conv 72Cluster	SEC
RANGE RESOURCES CORPListing on record	Jul 3, 2019	Award	25,733	6.75 USD	$173.7K		SEC
Midstream Co LLCListing unverified	Mar 26, 2019	Buy	4,000	20.17 USD	$80.7K	conv 74ClusterFirst in 12mo	SEC
Midstream Co LLCListing unverified	Mar 26, 2019	Buy	1,250	20.21 USD	$25.3K	conv 51Cluster	SEC
Midstream Co LLCListing unverified	Jan 3, 2019	AwardD (derivative)	7,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
RANGE RESOURCES CORPListing on record	May 15, 2026	Other	-5,258	41.49 USD	$218.2K		SEC
RANGE RESOURCES CORPListing on record	May 15, 2026	Award	4,967	41.27 USD	$205K		SEC
RANGE RESOURCES CORPListing on record	May 15, 2026	Other	5,258	41.49 USD	$218.2K		SEC
RANGE RESOURCES CORPListing on record	Mar 19, 2026	Sell	-9,820	43.42 USD	$426.4K		SEC
RANGE RESOURCES CORPListing on record	Mar 19, 2026	Sell	-2,680	43.24 USD	$115.9K		SEC
RANGE RESOURCES CORPListing on record	May 15, 2025	Other	5,410	36.73 USD	$198.7K	Unusual size	SEC
RANGE RESOURCES CORPListing on record	May 15, 2025	Award	5,258	38.99 USD	$205K		SEC
RANGE RESOURCES CORPListing on record	May 15, 2025	Other	-5,410	36.73 USD	$198.7K	Unusual size	SEC
RANGE RESOURCES CORPListing on record	May 9, 2024	Award	5,410	36.97 USD	$200K		SEC
RANGE RESOURCES CORPListing on record	May 12, 2023	Award	7,978	25.07 USD	$200K		SEC
RANGE RESOURCES CORPListing on record	May 13, 2022	Award	7,267	27.52 USD	$200K	Unusual size	SEC
Midstream Co LLCListing unverified	Jan 4, 2022	AwardD (derivative)	14,510	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RANGE RESOURCES CORPListing on record	May 13, 2021	Award	15,013	11.99 USD	$180K	Unusual size	SEC
Midstream Co LLCListing unverified	Jan 5, 2021	AwardD (derivative)	18,660	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Midstream Co LLCListing unverified	Jun 17, 2020	Award	26,840	—	n/a (No price was disclosed in the filing)		SEC
RANGE RESOURCES CORPListing on record	May 15, 2020	Award	33,457	5.38 USD	$180K	Unusual size	SEC
Midstream Co LLCListing unverified	Jan 3, 2020	AwardD (derivative)	11,230	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Midstream Co LLCListing unverified	Nov 8, 2019	Buy	7,000	12.25 USD	$85.8K	conv 34	SEC
RANGE RESOURCES CORPListing on record	Aug 29, 2019	Buy	20,500	3.40 USD	$69.7K	conv 41	SEC
Midstream Co LLCListing unverified	Aug 1, 2019	Buy	7,750	16.11 USD	$124.9K	conv 72Cluster	SEC
Midstream Co LLCListing unverified	Aug 1, 2019	Buy	7,750	16.11 USD	$124.9K	conv 72Cluster	SEC
RANGE RESOURCES CORPListing on record	Jul 3, 2019	Award	25,733	6.75 USD	$173.7K		SEC
Midstream Co LLCListing unverified	Mar 26, 2019	Buy	4,000	20.17 USD	$80.7K	conv 74ClusterFirst in 12mo	SEC
Midstream Co LLCListing unverified	Mar 26, 2019	Buy	1,250	20.21 USD	$25.3K	conv 51Cluster	SEC
Midstream Co LLCListing unverified	Jan 3, 2019	AwardD (derivative)	7,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC