Shea Richard P

Director at Syndax Pharmaceuticals Inc · on record since Mar 2, 2016
Chief Financial Officer at Syndax Pharmaceuticals Inc · on record since Feb 15, 2017
Director at SYNLOGIC, INC. · on record since Aug 30, 2017
VP, Chief Financial Officer at MOMENTA PHARMACEUTICALS INC · on record since Mar 28, 2005

Insider trading activity of Shea Richard P

Transactions on record: 161; since Mar 28, 2005

Open-market buys: 1; $20.6K

Open-market sells: 109; $2.2M

Companies traded: 3; last filing Apr 29, 2025

Figures computed from official regulatory filings — .

Companies where Shea Richard P has traded

SYNLOGIC, INC.10 tx · $20.6K · Apr 29, 2025
Syndax Pharmaceuticals Inc8 tx · $30.8K · Feb 14, 2020
MOMENTA PHARMACEUTICALS INC143 tx · $3.2M · Dec 16, 2016

Track record of Shea Richard P

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

Transaction history of Shea Richard P

Co-insiders of Shea Richard P

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SYNLOGIC, INC.Listing on record	Apr 29, 2025	Award	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 26, 2023	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 13, 2022	AwardD (derivative)	27,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 14, 2021	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 8, 2020	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 14, 2020	AwardD (derivative)	43,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 14, 2020	Other	1,401	4.89 USD	$6.9K		SEC
Syndax Pharmaceuticals IncListing on record	Feb 14, 2020	Other	1,505	7.97 USD	$12K		SEC
SYNLOGIC, INC.Listing on record	Dec 16, 2019	Buy	7,500	2.74 USD	$20.6K	conv 75First in 12mo	SEC
SYNLOGIC, INC.Listing on record	Jun 7, 2019	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 8, 2019	Other	2,521	4.76 USD	$12K		SEC
Syndax Pharmaceuticals IncListing on record	Feb 8, 2019	AwardD (derivative)	91,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 14, 2018	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Mar 5, 2018	AwardD (derivative)	48,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jan 3, 2018	AwardD (derivative)	17,143	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Aug 30, 2017	AwardD (derivative)	2,857	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 15, 2017	AwardD (derivative)	125,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Dec 16, 2016	Sell	-2,066	15.00 USD	$31K	Unusual size	SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Dec 16, 2016	Sell	-7,733	15.00 USD	$116K	Unusual size	SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Dec 12, 2016	Sell	-1,451	15.00 USD	$21.8K	Unusual size	SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Nov 23, 2016	Sell	-396	13.45 USD	$5.3K		SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Nov 23, 2016	Sell	-227	14.40 USD	$3.3K		SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Nov 23, 2016	Sell	-348	13.45 USD	$4.7K		SEC
Syndax Pharmaceuticals IncListing on record	Nov 2, 2016	AwardD (derivative)	8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Aug 23, 2016	Sell	-396	12.04 USD	$4.8K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SYNLOGIC, INC.Listing on record	Apr 29, 2025	Award	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 26, 2023	AwardD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 13, 2022	AwardD (derivative)	27,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 14, 2021	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 8, 2020	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 14, 2020	AwardD (derivative)	43,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 14, 2020	Other	1,401	4.89 USD	$6.9K		SEC
Syndax Pharmaceuticals IncListing on record	Feb 14, 2020	Other	1,505	7.97 USD	$12K		SEC
SYNLOGIC, INC.Listing on record	Dec 16, 2019	Buy	7,500	2.74 USD	$20.6K	conv 75First in 12mo	SEC
SYNLOGIC, INC.Listing on record	Jun 7, 2019	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 8, 2019	Other	2,521	4.76 USD	$12K		SEC
Syndax Pharmaceuticals IncListing on record	Feb 8, 2019	AwardD (derivative)	91,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jun 14, 2018	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Mar 5, 2018	AwardD (derivative)	48,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Jan 3, 2018	AwardD (derivative)	17,143	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SYNLOGIC, INC.Listing on record	Aug 30, 2017	AwardD (derivative)	2,857	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Syndax Pharmaceuticals IncListing on record	Feb 15, 2017	AwardD (derivative)	125,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Dec 16, 2016	Sell	-2,066	15.00 USD	$31K	Unusual size	SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Dec 16, 2016	Sell	-7,733	15.00 USD	$116K	Unusual size	SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Dec 12, 2016	Sell	-1,451	15.00 USD	$21.8K	Unusual size	SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Nov 23, 2016	Sell	-396	13.45 USD	$5.3K		SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Nov 23, 2016	Sell	-227	14.40 USD	$3.3K		SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Nov 23, 2016	Sell	-348	13.45 USD	$4.7K		SEC
Syndax Pharmaceuticals IncListing on record	Nov 2, 2016	AwardD (derivative)	8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MOMENTA PHARMACEUTICALS INCListing unverified	Aug 23, 2016	Sell	-396	12.04 USD	$4.8K		SEC