Breves Christine S

Director at Sylvamo Corp · on record since Apr 30, 2026
Director at MPLX LP · on record since May 4, 2026
SVP & CFO at UNITED STATES STEEL CORP · on record since Mar 16, 2018
Director at RXO, Inc. · on record since Nov 17, 2022

Insider trading activity of Breves Christine S

Transactions on record: 117; since May 31, 2017

Open-market buys: 1; $101.5K

Open-market sells: 9; $2.1M

Companies traded: 4; last filing Aug 18, 2026

Figures computed from official regulatory filings — .

Companies where Breves Christine S has traded

MPLX LP28 tx · Aug 18, 2026
Sylvamo Corp31 tx · $309.4K · Jul 30, 2026
RXO, Inc.14 tx · $101.5K · Jan 6, 2026
UNITED STATES STEEL CORP44 tx · $3.5M · Apr 18, 2022

Track record of Breves Christine S

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

Transaction history of Breves Christine S

Co-insiders of Breves Christine S

SANDMAN DAN DMPLX LP +1
SURMA JOHN PMPLX LP +1
ASKREN STANLEY ASylvamo Corp
Atkinson Tracy AUNITED STATES STEEL CORP
Aydt Timothy JMPLX LP
Ayers Andrea J.UNITED STATES STEEL CORP
Babcoke George FUNITED STATES STEEL CORP
Barron MatthewSylvamo Corp
BEALL PAMELA KMMPLX LP
BEATTY MICHAEL LMPLX LP
Benson Molly RMPLX LP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MPLX LPListing on record	Aug 18, 2026	Award	218.82	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MPLX LPListing on record	Aug 5, 2026	Award	2,696.39	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Jul 30, 2026	AwardD (derivative)	44.82	38.92 USD	$1.7K		SEC
Sylvamo CorpListing on record	Jul 30, 2026	AwardD (derivative)	67.64	38.92 USD	$2.6K		SEC
MPLX LPListing on record	May 19, 2026	Award	276.83	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Apr 30, 2026	AwardD (derivative)	59.8	43.57 USD	$2.6K		SEC
Sylvamo CorpListing on record	Apr 30, 2026	AwardD (derivative)	28.22	43.57 USD	$1.2K		SEC
MPLX LPListing on record	Feb 19, 2026	Award	218.1	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Jan 27, 2026	AwardD (derivative)	23.88	51.05 USD	$1.2K		SEC
Sylvamo CorpListing on record	Jan 27, 2026	AwardD (derivative)	50.59	51.05 USD	$2.6K		SEC
RXO, Inc.Listing on record	Jan 6, 2026	Exercise	7,745	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RXO, Inc.Listing on record	Jan 6, 2026	AwardD (derivative)	14,517	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RXO, Inc.Listing on record	Jan 6, 2026	ExerciseD (derivative)	-7,745	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MPLX LPListing on record	Nov 18, 2025	Award	230.41	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Oct 20, 2025	AwardD (derivative)	28.71	42.00 USD	$1.2K		SEC
Sylvamo CorpListing on record	Oct 20, 2025	AwardD (derivative)	60.84	42.00 USD	$2.6K		SEC
MPLX LPListing on record	Aug 19, 2025	Award	213.78	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Jul 31, 2025	AwardD (derivative)	52.6	48.13 USD	$2.5K		SEC
Sylvamo CorpListing on record	Jul 31, 2025	AwardD (derivative)	24.82	48.13 USD	$1.2K		SEC
MPLX LPListing on record	May 20, 2025	Award	201.47	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	May 16, 2025	Award	2,655	56.51 USD	$150K	Unusual size	SEC
MPLX LPListing on record	May 5, 2025	Award	2,481.14	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	May 1, 2025	AwardD (derivative)	13.45	60.50 USD	$813.7		SEC
Sylvamo CorpListing on record	May 1, 2025	AwardD (derivative)	41.54	60.50 USD	$2.5K		SEC
MPLX LPListing on record	Apr 3, 2025	Award	192.03	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
MPLX LPListing on record	Aug 18, 2026	Award	218.82	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MPLX LPListing on record	Aug 5, 2026	Award	2,696.39	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Jul 30, 2026	AwardD (derivative)	44.82	38.92 USD	$1.7K		SEC
Sylvamo CorpListing on record	Jul 30, 2026	AwardD (derivative)	67.64	38.92 USD	$2.6K		SEC
MPLX LPListing on record	May 19, 2026	Award	276.83	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Apr 30, 2026	AwardD (derivative)	59.8	43.57 USD	$2.6K		SEC
Sylvamo CorpListing on record	Apr 30, 2026	AwardD (derivative)	28.22	43.57 USD	$1.2K		SEC
MPLX LPListing on record	Feb 19, 2026	Award	218.1	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Jan 27, 2026	AwardD (derivative)	23.88	51.05 USD	$1.2K		SEC
Sylvamo CorpListing on record	Jan 27, 2026	AwardD (derivative)	50.59	51.05 USD	$2.6K		SEC
RXO, Inc.Listing on record	Jan 6, 2026	Exercise	7,745	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RXO, Inc.Listing on record	Jan 6, 2026	AwardD (derivative)	14,517	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RXO, Inc.Listing on record	Jan 6, 2026	ExerciseD (derivative)	-7,745	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MPLX LPListing on record	Nov 18, 2025	Award	230.41	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Oct 20, 2025	AwardD (derivative)	28.71	42.00 USD	$1.2K		SEC
Sylvamo CorpListing on record	Oct 20, 2025	AwardD (derivative)	60.84	42.00 USD	$2.6K		SEC
MPLX LPListing on record	Aug 19, 2025	Award	213.78	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	Jul 31, 2025	AwardD (derivative)	52.6	48.13 USD	$2.5K		SEC
Sylvamo CorpListing on record	Jul 31, 2025	AwardD (derivative)	24.82	48.13 USD	$1.2K		SEC
MPLX LPListing on record	May 20, 2025	Award	201.47	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	May 16, 2025	Award	2,655	56.51 USD	$150K	Unusual size	SEC
MPLX LPListing on record	May 5, 2025	Award	2,481.14	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Sylvamo CorpListing on record	May 1, 2025	AwardD (derivative)	13.45	60.50 USD	$813.7		SEC
Sylvamo CorpListing on record	May 1, 2025	AwardD (derivative)	41.54	60.50 USD	$2.5K		SEC
MPLX LPListing on record	Apr 3, 2025	Award	192.03	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC