Mains Stephanie K.

Director at LCI INDUSTRIES · on record since May 13, 2026
Director at Diamondback Energy, Inc. · on record since May 21, 2026
Director at Gates Industrial Corp Ltd. · on record since Mar 1, 2019

Insider trading activity of Mains Stephanie K.

Transactions on record: 44; since Mar 1, 2019

Open-market buys: 0

Open-market sells: 0

Companies traded: 3; last filing May 21, 2026

Figures computed from official regulatory filings — .

Companies where Mains Stephanie K. has traded

Diamondback Energy, Inc.7 tx · May 21, 2026
LCI INDUSTRIES27 tx · $1.8M · May 13, 2026
Gates Industrial Corp Ltd.10 tx · $164.7 · Mar 6, 2026

Track record of Mains Stephanie K.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Mains Stephanie K.

Co-insiders of Mains Stephanie K.

ABRAMS LEIGH JLCI INDUSTRIES
ACS Capital Holdings, LPDiamondback Energy, Inc.
ACS Capital Management, LLCDiamondback Energy, Inc.
Andrich PetarLCI INDUSTRIES
Autry Stephens Management TrustDiamondback Energy, Inc.
Barkmann AlbertDiamondback Energy, Inc.
BCP VI GP L.L.C.Gates Industrial Corp Ltd.
BISHOP GENELCI INDUSTRIES
Blackstone Capital Partners (Cayman) VI L.P.Gates Industrial Corp Ltd.
Blackstone Family Investment Partnership (Cayman) VI-ESC L.P.Gates Industrial Corp Ltd.
Blackstone Group L.P.Gates Industrial Corp Ltd.
Blackstone Group Management L.L.C.Gates Industrial Corp Ltd.
Blackstone GTS Co-Invest L.P.Gates Industrial Corp Ltd.
Blackstone Holdings III GP L.P.Gates Industrial Corp Ltd.
Blackstone Holdings III GP Management L.L.C.Gates Industrial Corp Ltd.
Blackstone Holdings III L.P.Gates Industrial Corp Ltd.
Blackstone LR Associates (Cayman) VI Ltd.Gates Industrial Corp Ltd.
Blackstone Management Associates (Cayman) VI L.P.Gates Industrial Corp Ltd.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Diamondback Energy, Inc.Listing on record	May 21, 2026	Award	982	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 13, 2026	AwardD (derivative)	1,335	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 13, 2026	Exercise	1,761	112.42 USD	$198K		SEC
LCI INDUSTRIESListing on record	May 13, 2026	ExerciseD (derivative)	-1,761	112.42 USD	$198K		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2026	Award	6,097	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diamondback Energy, Inc.Listing on record	May 22, 2025	Award	1,417	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 19, 2025	ExerciseD (derivative)	-1,413	88.96 USD	$125.7K		SEC
LCI INDUSTRIESListing on record	May 19, 2025	Exercise	1,413	88.96 USD	$125.7K		SEC
LCI INDUSTRIESListing on record	May 19, 2025	AwardD (derivative)	1,687	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 4, 2025	Award	6,701	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	Jan 2, 2025	AwardD (derivative)	279	103.39 USD	$28.8K		SEC
LCI INDUSTRIESListing on record	Oct 1, 2024	AwardD (derivative)	239	120.54 USD	$28.8K		SEC
LCI INDUSTRIESListing on record	Jul 1, 2024	AwardD (derivative)	279	103.38 USD	$28.8K		SEC
Diamondback Energy, Inc.Listing on record	Jun 10, 2024	Award	1,035	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 17, 2024	AwardD (derivative)	1,354	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 17, 2024	Exercise	1,357	110.83 USD	$150.4K		SEC
LCI INDUSTRIESListing on record	May 17, 2024	ExerciseD (derivative)	-1,357	110.83 USD	$150.4K		SEC
LCI INDUSTRIESListing on record	Apr 2, 2024	AwardD (derivative)	234	123.06 USD	$28.8K		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2024	Award	9,751	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	Jan 2, 2024	AwardD (derivative)	229	125.71 USD	$28.8K	Unusual size	SEC
LCI INDUSTRIESListing on record	Oct 2, 2023	AwardD (derivative)	245	117.42 USD	$28.8K	Unusual size	SEC
LCI INDUSTRIESListing on record	Jul 3, 2023	AwardD (derivative)	214	126.36 USD	$27K	Unusual size	SEC
Diamondback Energy, Inc.Listing on record	Jun 12, 2023	Award	1,527	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 22, 2023	Exercise	1,479	114.53 USD	$169.4K	Unusual size	SEC
LCI INDUSTRIESListing on record	May 22, 2023	AwardD (derivative)	1,310	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
Diamondback Energy, Inc.Listing on record	May 21, 2026	Award	982	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 13, 2026	AwardD (derivative)	1,335	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 13, 2026	Exercise	1,761	112.42 USD	$198K		SEC
LCI INDUSTRIESListing on record	May 13, 2026	ExerciseD (derivative)	-1,761	112.42 USD	$198K		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2026	Award	6,097	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diamondback Energy, Inc.Listing on record	May 22, 2025	Award	1,417	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 19, 2025	ExerciseD (derivative)	-1,413	88.96 USD	$125.7K		SEC
LCI INDUSTRIESListing on record	May 19, 2025	Exercise	1,413	88.96 USD	$125.7K		SEC
LCI INDUSTRIESListing on record	May 19, 2025	AwardD (derivative)	1,687	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 4, 2025	Award	6,701	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	Jan 2, 2025	AwardD (derivative)	279	103.39 USD	$28.8K		SEC
LCI INDUSTRIESListing on record	Oct 1, 2024	AwardD (derivative)	239	120.54 USD	$28.8K		SEC
LCI INDUSTRIESListing on record	Jul 1, 2024	AwardD (derivative)	279	103.38 USD	$28.8K		SEC
Diamondback Energy, Inc.Listing on record	Jun 10, 2024	Award	1,035	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 17, 2024	AwardD (derivative)	1,354	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 17, 2024	Exercise	1,357	110.83 USD	$150.4K		SEC
LCI INDUSTRIESListing on record	May 17, 2024	ExerciseD (derivative)	-1,357	110.83 USD	$150.4K		SEC
LCI INDUSTRIESListing on record	Apr 2, 2024	AwardD (derivative)	234	123.06 USD	$28.8K		SEC
Gates Industrial Corp Ltd.Listing on record	Mar 6, 2024	Award	9,751	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	Jan 2, 2024	AwardD (derivative)	229	125.71 USD	$28.8K	Unusual size	SEC
LCI INDUSTRIESListing on record	Oct 2, 2023	AwardD (derivative)	245	117.42 USD	$28.8K	Unusual size	SEC
LCI INDUSTRIESListing on record	Jul 3, 2023	AwardD (derivative)	214	126.36 USD	$27K	Unusual size	SEC
Diamondback Energy, Inc.Listing on record	Jun 12, 2023	Award	1,527	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LCI INDUSTRIESListing on record	May 22, 2023	Exercise	1,479	114.53 USD	$169.4K	Unusual size	SEC
LCI INDUSTRIESListing on record	May 22, 2023	AwardD (derivative)	1,310	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC