COHEN MARC A

Director at OPNET TECHNOLOGIES INC · on record since Feb 17, 2006
10% owner at OPNET TECHNOLOGIES INC · on record since Feb 17, 2006
Chairman, CEO, Treas, & Sec at OPNET TECHNOLOGIES INC · on record since Oct 10, 2003
Director at Korro Bio, Inc. · on record since Oct 8, 2019
Director at C4 Therapeutics, Inc. · on record since Oct 6, 2020
10% owner at C4 Therapeutics, Inc. · on record since Oct 6, 2020
Chief Executive Officer at C4 Therapeutics, Inc. · on record since Oct 1, 2020

Insider trading activity of COHEN MARC A

Transactions on record: 212; since Aug 4, 2003

Open-market buys: 9; $843.1K

Open-market sells: 102; $8.1M

Companies traded: 3; last filing Jun 23, 2022

Figures computed from official regulatory filings — .

Companies where COHEN MARC A has traded

Korro Bio, Inc.19 tx · $478.7K · Jun 23, 2022
C4 Therapeutics, Inc.19 tx · $179.7K · Jun 23, 2022
OPNET TECHNOLOGIES INC174 tx · $131.9M · Dec 20, 2012

Track record of COHEN MARC A

Statistical track record

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Open-market buys: 9

Last buy: Oct 6, 2020

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Transaction history of COHEN MARC A

Co-insiders of COHEN MARC A

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
C4 Therapeutics, Inc.Listing on record	Jun 23, 2022	AwardD (derivative)	23,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Jun 23, 2022	AwardD (derivative)	14,846	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Jan 18, 2022	Award	657	31.58 USD	$20.7K	Unusual size	SEC
C4 Therapeutics, Inc.Listing on record	Oct 5, 2021	Award	461	44.99 USD	$20.7K	Unusual size	SEC
C4 Therapeutics, Inc.Listing on record	Jul 7, 2021	Award	522	39.72 USD	$20.7K	Unusual size	SEC
Korro Bio, Inc.Listing on record	Jun 21, 2021	AwardD (derivative)	14,846	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Jun 17, 2021	AwardD (derivative)	23,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Jun 14, 2021	Other	22,598	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Jun 14, 2021	Other	92,817	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Apr 6, 2021	Award	553	37.51 USD	$20.7K		SEC
C4 Therapeutics, Inc.Listing on record	Feb 19, 2021	Exercise	536	2.11 USD	$1.1K		SEC
C4 Therapeutics, Inc.Listing on record	Feb 19, 2021	ExerciseD (derivative)	-536	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	OtherD (derivative)	-12,500,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	Other	1,482,183	—	n/a (No price was disclosed in the filing)		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	Other	237,149	—	n/a (No price was disclosed in the filing)		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	OtherD (derivative)	-20,952,403	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	Other	2,484,425	—	n/a (No price was disclosed in the filing)		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	Buy	5,030	19.00 USD	$95.6K	conv 48Cluster	SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	OtherD (derivative)	-2,000,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 5, 2020	AwardD (derivative)	725,002	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 5, 2020	AwardD (derivative)	17,786	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Jun 12, 2020	AwardD (derivative)	14,846	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Feb 3, 2020	ExerciseD (derivative)	-16,691	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Feb 3, 2020	ExerciseD (derivative)	-21,827	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Feb 3, 2020	Exercise	16,691	0.61 USD	$10.2K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
C4 Therapeutics, Inc.Listing on record	Jun 23, 2022	AwardD (derivative)	23,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Jun 23, 2022	AwardD (derivative)	14,846	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Jan 18, 2022	Award	657	31.58 USD	$20.7K	Unusual size	SEC
C4 Therapeutics, Inc.Listing on record	Oct 5, 2021	Award	461	44.99 USD	$20.7K	Unusual size	SEC
C4 Therapeutics, Inc.Listing on record	Jul 7, 2021	Award	522	39.72 USD	$20.7K	Unusual size	SEC
Korro Bio, Inc.Listing on record	Jun 21, 2021	AwardD (derivative)	14,846	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Jun 17, 2021	AwardD (derivative)	23,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Jun 14, 2021	Other	22,598	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Jun 14, 2021	Other	92,817	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Apr 6, 2021	Award	553	37.51 USD	$20.7K		SEC
C4 Therapeutics, Inc.Listing on record	Feb 19, 2021	Exercise	536	2.11 USD	$1.1K		SEC
C4 Therapeutics, Inc.Listing on record	Feb 19, 2021	ExerciseD (derivative)	-536	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	OtherD (derivative)	-12,500,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	Other	1,482,183	—	n/a (No price was disclosed in the filing)		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	Other	237,149	—	n/a (No price was disclosed in the filing)		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	OtherD (derivative)	-20,952,403	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	Other	2,484,425	—	n/a (No price was disclosed in the filing)		SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	Buy	5,030	19.00 USD	$95.6K	conv 48Cluster	SEC
C4 Therapeutics, Inc.Listing on record	Oct 6, 2020	OtherD (derivative)	-2,000,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 5, 2020	AwardD (derivative)	725,002	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
C4 Therapeutics, Inc.Listing on record	Oct 5, 2020	AwardD (derivative)	17,786	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Jun 12, 2020	AwardD (derivative)	14,846	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Feb 3, 2020	ExerciseD (derivative)	-16,691	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Feb 3, 2020	ExerciseD (derivative)	-21,827	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Korro Bio, Inc.Listing on record	Feb 3, 2020	Exercise	16,691	0.61 USD	$10.2K		SEC