DELL'OSSO DOMENIC J JR

Director at WILLIAMS PARTNERS L.P. · on record since May 24, 2011
Director at Transocean Ltd. · on record since May 27, 2026
Director at GULFPORT ENERGY CORP · on record since Jun 1, 2026
President & CEO at GULFPORT ENERGY CORP · on record since Jun 1, 2026
Director at FTS International, Inc. · on record since Feb 6, 2018
Director at EXPAND ENERGY Corp · on record since Oct 13, 2021
President and CEO at EXPAND ENERGY Corp · on record since Nov 9, 2010

Insider trading activity of DELL'OSSO DOMENIC J JR

Transactions on record: 135; since Nov 9, 2010

Open-market buys: 9; $1.5M

Open-market sells: 2; $12.4K

Companies traded: 4; last filing Aug 10, 2026

Figures computed from official regulatory filings — .

Companies where DELL'OSSO DOMENIC J JR has traded

GULFPORT ENERGY CORP2 tx · $257K · Aug 10, 2026
Transocean Ltd.4 tx · May 27, 2026
EXPAND ENERGY Corp128 tx · $16.6M · Aug 18, 2025
FTS International, Inc.1 tx · $108K · Feb 6, 2018

Track record of DELL'OSSO DOMENIC J JR

Statistical track record

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Open-market buys: 9

Last buy: Aug 7, 2026

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Transaction history of DELL'OSSO DOMENIC J JR

Co-insiders of DELL'OSSO DOMENIC J JR

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
GULFPORT ENERGY CORPListing on record	Aug 10, 2026	Buy	1,600	160.61 USD	$257K	conv 49	SEC
GULFPORT ENERGY CORPListing on record	Jun 1, 2026	Award	22,749	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Transocean Ltd.Listing on record	May 27, 2026	AwardD (derivative)	30,435	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Aug 18, 2025	Buy	2,500	95.86 USD	$239.7K	conv 46	SEC
Transocean Ltd.Listing on record	Jun 2, 2025	AwardD (derivative)	82,353	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Exercise	10,056	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Other	-7,292	102.60 USD	$748.2K		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	AwardD (derivative)	26,209	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Award	22,465	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Exercise	63,644	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	ExerciseD (derivative)	-15,911	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	AwardD (derivative)	26,209	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	ExerciseD (derivative)	-31,822	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Other	-32,503	102.60 USD	$3.3M	Unusual size	SEC
EXPAND ENERGY CorpListing on record	Mar 5, 2025	Buy	2,500	99.50 USD	$248.8K	conv 55Unusual sizeFirst in 12mo	SEC
EXPAND ENERGY CorpListing on record	Oct 15, 2024	ExerciseD (derivative)	-6,356	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Oct 15, 2024	Other	-4,155	87.39 USD	$363.1K		SEC
EXPAND ENERGY CorpListing on record	Oct 15, 2024	Other	-312	87.39 USD	$27.3K		SEC
EXPAND ENERGY CorpListing on record	Oct 15, 2024	Exercise	9,420	—	n/a (No price was disclosed in the filing)		SEC
EXPAND ENERGY CorpListing on record	May 30, 2024	Other	-35,555	90.49 USD	$3.2M	Unusual size	SEC
EXPAND ENERGY CorpListing on record	May 30, 2024	ExerciseD (derivative)	-44,583	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	May 30, 2024	Other	-2,185	90.49 USD	$197.7K		SEC
EXPAND ENERGY CorpListing on record	May 30, 2024	Exercise	80,621	—	n/a (No price was disclosed in the filing)		SEC
Transocean Ltd.Listing on record	May 17, 2024	AwardD (derivative)	36,145	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 19, 2024	AwardD (derivative)	50,909	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
GULFPORT ENERGY CORPListing on record	Aug 10, 2026	Buy	1,600	160.61 USD	$257K	conv 49	SEC
GULFPORT ENERGY CORPListing on record	Jun 1, 2026	Award	22,749	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Transocean Ltd.Listing on record	May 27, 2026	AwardD (derivative)	30,435	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Aug 18, 2025	Buy	2,500	95.86 USD	$239.7K	conv 46	SEC
Transocean Ltd.Listing on record	Jun 2, 2025	AwardD (derivative)	82,353	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Exercise	10,056	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Other	-7,292	102.60 USD	$748.2K		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	AwardD (derivative)	26,209	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Award	22,465	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Exercise	63,644	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	ExerciseD (derivative)	-15,911	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	AwardD (derivative)	26,209	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	ExerciseD (derivative)	-31,822	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 17, 2025	Other	-32,503	102.60 USD	$3.3M	Unusual size	SEC
EXPAND ENERGY CorpListing on record	Mar 5, 2025	Buy	2,500	99.50 USD	$248.8K	conv 55Unusual sizeFirst in 12mo	SEC
EXPAND ENERGY CorpListing on record	Oct 15, 2024	ExerciseD (derivative)	-6,356	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Oct 15, 2024	Other	-4,155	87.39 USD	$363.1K		SEC
EXPAND ENERGY CorpListing on record	Oct 15, 2024	Other	-312	87.39 USD	$27.3K		SEC
EXPAND ENERGY CorpListing on record	Oct 15, 2024	Exercise	9,420	—	n/a (No price was disclosed in the filing)		SEC
EXPAND ENERGY CorpListing on record	May 30, 2024	Other	-35,555	90.49 USD	$3.2M	Unusual size	SEC
EXPAND ENERGY CorpListing on record	May 30, 2024	ExerciseD (derivative)	-44,583	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	May 30, 2024	Other	-2,185	90.49 USD	$197.7K		SEC
EXPAND ENERGY CorpListing on record	May 30, 2024	Exercise	80,621	—	n/a (No price was disclosed in the filing)		SEC
Transocean Ltd.Listing on record	May 17, 2024	AwardD (derivative)	36,145	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXPAND ENERGY CorpListing on record	Mar 19, 2024	AwardD (derivative)	50,909	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC