STOLPER MARK

Director at COMPUMED INC · on record since Jun 12, 2007
Director at Starling Oncology, Inc. · on record since Jan 12, 2026
Director at METROPOLITAN HEALTH NETWORKS INC · on record since Apr 28, 2010
Former Director at METROPOLITAN HEALTH NETWORKS INC · on record since Dec 26, 2012
Chief Financial Officer at RadNet, Inc. · on record since Aug 3, 2004
Director at ON TRACK INNOVATIONS LTD · on record since Jan 7, 2014
Director at ALCO STORES INC · on record since Sep 11, 2014
Former member of 10% owner grp at Star Equity Holdings, Inc. · on record since Oct 21, 2014
Director at RadNet, Inc. · on record since Mar 4, 2004
Director at RTI SURGICAL, INC. · on record since Mar 16, 2017
Director at Coherus Oncology, Inc. · on record since Jan 7, 2021

Insider trading activity of STOLPER MARK

Transactions on record: 114; since Aug 3, 2004

Open-market buys: 3; $49.2K

Open-market sells: 20; $6.9M

Companies traded: 8; last filing Jul 29, 2026

Figures computed from official regulatory filings — .

Companies where STOLPER MARK has traded

Starling Oncology, Inc.2 tx · Jul 29, 2026
RadNet, Inc.84 tx · $8.2M · Mar 5, 2026
Coherus Oncology, Inc.6 tx · Jun 5, 2024
SURGALIGN HOLDINGS, INC.6 tx · $25K · Aug 17, 2022
RTI SURGICAL, INC.6 tx · $22.9K · Mar 11, 2019
1 tx · $1.3K · Oct 21, 2014
1 tx · Jun 12, 2014
8 tx · $468K · Dec 26, 2012

Track record of STOLPER MARK

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

Transaction history of STOLPER MARK

Co-insiders of STOLPER MARK

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Starling Oncology, Inc.Security delisted	Jul 29, 2026	Award	31,124	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Starling Oncology, Inc.Security delisted	Jul 9, 2026	Award	25,833	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 5, 2026	Award	18,228	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Dec 12, 2025	ExerciseD (derivative)	-35,703	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Dec 12, 2025	Exercise	35,703	6.07 USD	$216.7K		SEC
RadNet, Inc.Listing on record	Sep 18, 2025	Sell	-35,000	73.89 USD	$2.6M	Unusual size	SEC
RadNet, Inc.Listing on record	Jan 10, 2025	Award	22,889	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Dec 18, 2024	Gift	-275	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Jun 12, 2024	Sell	-25,000	61.27 USD	$1.5M	Unusual size	SEC
Coherus Oncology, Inc.Listing on record	Jun 5, 2024	AwardD (derivative)	112,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 4, 2024	AwardD (derivative)	27,276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 4, 2024	Award	14,072	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Jan 10, 2024	AwardD (derivative)	14,558	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Coherus Oncology, Inc.Listing on record	Jun 9, 2023	AwardD (derivative)	38,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	May 16, 2023	Gift	-900	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	May 8, 2023	AwardD (derivative)	11,625	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	May 8, 2023	AwardD (derivative)	10,607	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	May 8, 2023	Gift	-375	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 2, 2023	AwardD (derivative)	2,227	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 2, 2023	AwardD (derivative)	4,854	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Jan 5, 2023	AwardD (derivative)	14,073	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Jan 5, 2023	AwardD (derivative)	27,276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SURGALIGN HOLDINGS, INC.Listing unverified	Aug 17, 2022	Award	22,857	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Coherus Oncology, Inc.Listing on record	Feb 11, 2022	AwardD (derivative)	27,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Coherus Oncology, Inc.Listing on record	Jan 10, 2022	AwardD (derivative)	27,000	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
Starling Oncology, Inc.Security delisted	Jul 29, 2026	Award	31,124	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Starling Oncology, Inc.Security delisted	Jul 9, 2026	Award	25,833	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 5, 2026	Award	18,228	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Dec 12, 2025	ExerciseD (derivative)	-35,703	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Dec 12, 2025	Exercise	35,703	6.07 USD	$216.7K		SEC
RadNet, Inc.Listing on record	Sep 18, 2025	Sell	-35,000	73.89 USD	$2.6M	Unusual size	SEC
RadNet, Inc.Listing on record	Jan 10, 2025	Award	22,889	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Dec 18, 2024	Gift	-275	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Jun 12, 2024	Sell	-25,000	61.27 USD	$1.5M	Unusual size	SEC
Coherus Oncology, Inc.Listing on record	Jun 5, 2024	AwardD (derivative)	112,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 4, 2024	AwardD (derivative)	27,276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 4, 2024	Award	14,072	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Jan 10, 2024	AwardD (derivative)	14,558	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Coherus Oncology, Inc.Listing on record	Jun 9, 2023	AwardD (derivative)	38,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	May 16, 2023	Gift	-900	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	May 8, 2023	AwardD (derivative)	11,625	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	May 8, 2023	AwardD (derivative)	10,607	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	May 8, 2023	Gift	-375	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 2, 2023	AwardD (derivative)	2,227	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Mar 2, 2023	AwardD (derivative)	4,854	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Jan 5, 2023	AwardD (derivative)	14,073	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RadNet, Inc.Listing on record	Jan 5, 2023	AwardD (derivative)	27,276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SURGALIGN HOLDINGS, INC.Listing unverified	Aug 17, 2022	Award	22,857	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Coherus Oncology, Inc.Listing on record	Feb 11, 2022	AwardD (derivative)	27,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Coherus Oncology, Inc.Listing on record	Jan 10, 2022	AwardD (derivative)	27,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC