MARK RICHARD J

Senior VP of Subsidiary at AMEREN CORP · on record since Feb 28, 2011
Director at SEMPRA · on record since Apr 2, 2026
President and CEO at Ameren Illinois Co · on record since Jun 25, 2012
Director at TENET HEALTHCARE CORP · on record since May 26, 2026
Senior Vice President at UNION ELECTRIC CO · on record since Jan 3, 2005
Senior VP of Subsidiary at AMEREN CORP · on record since Jun 6, 2005

Insider trading activity of MARK RICHARD J

Transactions on record: 108; since Feb 11, 2004

Open-market buys: 4; $911.1K

Open-market sells: 11; $7.6M

Companies traded: 3; last filing Oct 2, 2026

Figures computed from official regulatory filings — .

Companies where MARK RICHARD J has traded

SEMPRA21 tx · $1.1M · Oct 2, 2026
TENET HEALTHCARE CORP20 tx · $4.7M · Sep 14, 2026
AMEREN CORP67 tx · $9.9M · Apr 4, 2022

Track record of MARK RICHARD J

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

Transaction history of MARK RICHARD J

Co-insiders of MARK RICHARD J

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SEMPRAListing on record	Oct 2, 2026	AwardD (derivative)	160.15	78.05 USD	$12.5K		SEC
TENET HEALTHCARE CORPListing on record	Sep 14, 2026	Sell	-10,000	263.42 USD	$2.6M	Unusual size	SEC
SEMPRAListing on record	Jul 2, 2026	AwardD (derivative)	136.81	91.37 USD	$12.5K		SEC
TENET HEALTHCARE CORPListing on record	May 28, 2026	AwardD (derivative)	1,188	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TENET HEALTHCARE CORPListing on record	May 26, 2026	ExerciseD (derivative)	-1,333	—	n/a (No price was disclosed in the filing)		SEC
TENET HEALTHCARE CORPListing on record	May 26, 2026	Other	-493	173.78 USD	$85.7K		SEC
TENET HEALTHCARE CORPListing on record	May 26, 2026	Exercise	1,333	—	n/a (No price was disclosed in the filing)		SEC
SEMPRAListing on record	May 13, 2026	Award	1,499	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SEMPRAListing on record	Apr 2, 2026	AwardD (derivative)	128.32	97.41 USD	$12.5K		SEC
SEMPRAListing on record	Mar 11, 2026	Buy	2,692	93.30 USD	$251.2K	conv 35First in 12mo	SEC
SEMPRAListing on record	Jan 5, 2026	AwardD (derivative)	139.34	89.71 USD	$12.5K		SEC
SEMPRAListing on record	Oct 2, 2025	AwardD (derivative)	140.04	89.26 USD	$12.5K		SEC
SEMPRAListing on record	Jul 2, 2025	AwardD (derivative)	164.09	76.18 USD	$12.5K		SEC
TENET HEALTHCARE CORPListing on record	May 27, 2025	ExerciseD (derivative)	-1,551	—	n/a (No price was disclosed in the filing)		SEC
TENET HEALTHCARE CORPListing on record	May 27, 2025	Exercise	1,551	—	n/a (No price was disclosed in the filing)		SEC
TENET HEALTHCARE CORPListing on record	May 27, 2025	Other	-573	161.33 USD	$92.4K		SEC
TENET HEALTHCARE CORPListing on record	May 27, 2025	AwardD (derivative)	1,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SEMPRAListing on record	May 14, 2025	Award	1,864	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SEMPRAListing on record	May 14, 2025	Award	1,864	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SEMPRAListing on record	Apr 2, 2025	AwardD (derivative)	174.68	71.56 USD	$12.5K		SEC
SEMPRAListing on record	Mar 7, 2025	Buy	7,160	69.81 USD	$499.8K	conv 68	SEC
SEMPRAListing on record	Jan 3, 2025	AwardD (derivative)	143.46	87.13 USD	$12.5K		SEC
SEMPRAListing on record	Oct 2, 2024	AwardD (derivative)	148.95	83.92 USD	$12.5K		SEC
SEMPRAListing on record	Jul 2, 2024	AwardD (derivative)	166.73	74.97 USD	$12.5K	Unusual size	SEC
TENET HEALTHCARE CORPListing on record	May 28, 2024	AwardD (derivative)	1,551	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
SEMPRAListing on record	Oct 2, 2026	AwardD (derivative)	160.15	78.05 USD	$12.5K		SEC
TENET HEALTHCARE CORPListing on record	Sep 14, 2026	Sell	-10,000	263.42 USD	$2.6M	Unusual size	SEC
SEMPRAListing on record	Jul 2, 2026	AwardD (derivative)	136.81	91.37 USD	$12.5K		SEC
TENET HEALTHCARE CORPListing on record	May 28, 2026	AwardD (derivative)	1,188	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TENET HEALTHCARE CORPListing on record	May 26, 2026	ExerciseD (derivative)	-1,333	—	n/a (No price was disclosed in the filing)		SEC
TENET HEALTHCARE CORPListing on record	May 26, 2026	Other	-493	173.78 USD	$85.7K		SEC
TENET HEALTHCARE CORPListing on record	May 26, 2026	Exercise	1,333	—	n/a (No price was disclosed in the filing)		SEC
SEMPRAListing on record	May 13, 2026	Award	1,499	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SEMPRAListing on record	Apr 2, 2026	AwardD (derivative)	128.32	97.41 USD	$12.5K		SEC
SEMPRAListing on record	Mar 11, 2026	Buy	2,692	93.30 USD	$251.2K	conv 35First in 12mo	SEC
SEMPRAListing on record	Jan 5, 2026	AwardD (derivative)	139.34	89.71 USD	$12.5K		SEC
SEMPRAListing on record	Oct 2, 2025	AwardD (derivative)	140.04	89.26 USD	$12.5K		SEC
SEMPRAListing on record	Jul 2, 2025	AwardD (derivative)	164.09	76.18 USD	$12.5K		SEC
TENET HEALTHCARE CORPListing on record	May 27, 2025	ExerciseD (derivative)	-1,551	—	n/a (No price was disclosed in the filing)		SEC
TENET HEALTHCARE CORPListing on record	May 27, 2025	Exercise	1,551	—	n/a (No price was disclosed in the filing)		SEC
TENET HEALTHCARE CORPListing on record	May 27, 2025	Other	-573	161.33 USD	$92.4K		SEC
TENET HEALTHCARE CORPListing on record	May 27, 2025	AwardD (derivative)	1,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SEMPRAListing on record	May 14, 2025	Award	1,864	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SEMPRAListing on record	May 14, 2025	Award	1,864	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SEMPRAListing on record	Apr 2, 2025	AwardD (derivative)	174.68	71.56 USD	$12.5K		SEC
SEMPRAListing on record	Mar 7, 2025	Buy	7,160	69.81 USD	$499.8K	conv 68	SEC
SEMPRAListing on record	Jan 3, 2025	AwardD (derivative)	143.46	87.13 USD	$12.5K		SEC
SEMPRAListing on record	Oct 2, 2024	AwardD (derivative)	148.95	83.92 USD	$12.5K		SEC
SEMPRAListing on record	Jul 2, 2024	AwardD (derivative)	166.73	74.97 USD	$12.5K	Unusual size	SEC
TENET HEALTHCARE CORPListing on record	May 28, 2024	AwardD (derivative)	1,551	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC