BELL STEPHEN P

EVP - Business Development at CENTRA SOFTWARE INC · on record since Oct 5, 2021
Sr. V.P. at CIMAREX ENERGY CO · on record since Nov 10, 2005

Insider trading activity of BELL STEPHEN P

Transactions on record: 152; since Sep 8, 2003

Open-market buys: 4; $197.5K

Open-market sells: 49; $39.3M

Companies traded: 2; last filing May 22, 2025

Figures computed from official regulatory filings — .

Companies where BELL STEPHEN P has traded

CENTRA SOFTWARE INC27 tx · $15.9M · May 22, 2025
CIMAREX ENERGY CO125 tx · $59.9M · Oct 5, 2021

Track record of BELL STEPHEN P

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

Transaction history of BELL STEPHEN P

Co-insiders of BELL STEPHEN P

Barron Francis BrianCENTRA SOFTWARE INC +1
Clason ChristopherCENTRA SOFTWARE INC +1
Eckley PaulCENTRA SOFTWARE INC +1
HELMERICH HANSCENTRA SOFTWARE INC +1
JORDEN THOMAS ECENTRA SOFTWARE INC +1
SIRGO BLAKE ACENTRA SOFTWARE INC +1
STEWART LISA ACENTRA SOFTWARE INC +1
Vallejo Frances MCENTRA SOFTWARE INC +1
Abbott Gary RCIMAREX ENERGY CO
Ables Dorothy MCENTRA SOFTWARE INC
ALBI JOSEPH RCIMAREX ENERGY CO
Alexander AndreaCENTRA SOFTWARE INC
BASTABLE CONORCENTRA SOFTWARE INC
BENANTO RONALD RCENTRA SOFTWARE INC
Boswell Robert SCENTRA SOFTWARE INC
BOX JERRYCIMAREX ENERGY CO
Brock Amanda MCENTRA SOFTWARE INC
Burford G MarkCIMAREX ENERGY CO
Caggiano Michelle MarionCENTRA SOFTWARE INC
Conaway Gregory FCENTRA SOFTWARE INC
COX GLENN ACIMAREX ENERGY CO
CRAMER RICHARDCENTRA SOFTWARE INC
CRITERION CAPITAL MANAGEMENT LLCCENTRA SOFTWARE INC
Crutchfield Kevin SCENTRA SOFTWARE INC
DAVIDSON KEMPNER CAPITAL MANAGEMENT LPCENTRA SOFTWARE INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
CENTRA SOFTWARE INCListing unverified	May 22, 2025	Sell	-100,000	25.26 USD	$2.5M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	May 9, 2025	Sell	-115,385	23.00 USD	$2.7M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	Mar 12, 2025	Sell	-79,573	27.00 USD	$2.1M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	Mar 7, 2025	Sell	-75,000	26.02 USD	$2M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	Feb 21, 2025	AwardD (derivative)	78,425	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 21, 2025	Award	78,425	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 12, 2025	Other	-33,755	27.72 USD	$935.7K		SEC
CENTRA SOFTWARE INCListing unverified	Feb 12, 2025	Exercise	77,154	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 12, 2025	ExerciseD (derivative)	-77,154	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 3, 2025	Other	-22,740	27.72 USD	$630.4K		SEC
CENTRA SOFTWARE INCListing unverified	Dec 3, 2024	ExerciseD (derivative)	-146,628	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Dec 3, 2024	Exercise	146,628	—	n/a (No price was disclosed in the filing)		SEC
CENTRA SOFTWARE INCListing unverified	Dec 3, 2024	Other	-64,150	26.72 USD	$1.7M		SEC
CENTRA SOFTWARE INCListing unverified	Nov 22, 2024	Gift	-84,615	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 23, 2024	Award	86,010	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 23, 2024	AwardD (derivative)	86,010	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 23, 2023	Award	65,217	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 23, 2023	AwardD (derivative)	65,217	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Jun 8, 2022	Sell	-36,327	35.41 USD	$1.3M		SEC
CENTRA SOFTWARE INCListing unverified	Mar 2, 2022	Award	51,436	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Mar 2, 2022	AwardD (derivative)	77,154	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Jan 28, 2022	Award	436,327	—	n/a (No price was disclosed in the filing)		SEC
CENTRA SOFTWARE INCListing unverified	Dec 15, 2021	AwardD (derivative)	146,628	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Dec 9, 2021	Sell	-100,000	20.15 USD	$2M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	Nov 5, 2021	Gift	-90,344	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
CENTRA SOFTWARE INCListing unverified	May 22, 2025	Sell	-100,000	25.26 USD	$2.5M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	May 9, 2025	Sell	-115,385	23.00 USD	$2.7M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	Mar 12, 2025	Sell	-79,573	27.00 USD	$2.1M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	Mar 7, 2025	Sell	-75,000	26.02 USD	$2M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	Feb 21, 2025	AwardD (derivative)	78,425	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 21, 2025	Award	78,425	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 12, 2025	Other	-33,755	27.72 USD	$935.7K		SEC
CENTRA SOFTWARE INCListing unverified	Feb 12, 2025	Exercise	77,154	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 12, 2025	ExerciseD (derivative)	-77,154	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 3, 2025	Other	-22,740	27.72 USD	$630.4K		SEC
CENTRA SOFTWARE INCListing unverified	Dec 3, 2024	ExerciseD (derivative)	-146,628	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Dec 3, 2024	Exercise	146,628	—	n/a (No price was disclosed in the filing)		SEC
CENTRA SOFTWARE INCListing unverified	Dec 3, 2024	Other	-64,150	26.72 USD	$1.7M		SEC
CENTRA SOFTWARE INCListing unverified	Nov 22, 2024	Gift	-84,615	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 23, 2024	Award	86,010	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 23, 2024	AwardD (derivative)	86,010	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 23, 2023	Award	65,217	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Feb 23, 2023	AwardD (derivative)	65,217	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Jun 8, 2022	Sell	-36,327	35.41 USD	$1.3M		SEC
CENTRA SOFTWARE INCListing unverified	Mar 2, 2022	Award	51,436	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Mar 2, 2022	AwardD (derivative)	77,154	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Jan 28, 2022	Award	436,327	—	n/a (No price was disclosed in the filing)		SEC
CENTRA SOFTWARE INCListing unverified	Dec 15, 2021	AwardD (derivative)	146,628	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CENTRA SOFTWARE INCListing unverified	Dec 9, 2021	Sell	-100,000	20.15 USD	$2M	Unusual size	SEC
CENTRA SOFTWARE INCListing unverified	Nov 5, 2021	Gift	-90,344	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC