Sarissa Capital Management LP

See Footnotes Below at VIVUS INC · on record since Jul 23, 2013
10% owner at SEELOS THERAPEUTICS, INC. · on record since Feb 23, 2015
10% owner at Regulus Therapeutics Inc. · on record since May 17, 2019
10% owner at Sarissa Capital Acquisition Corp. · on record since Oct 23, 2020
10% owner at Iterum Therapeutics plc · on record since Nov 23, 2020
10% owner at IRONWOOD PHARMACEUTICALS INC · on record since Mar 17, 2021
Director at IRONWOOD PHARMACEUTICALS INC · on record since Mar 10, 2021
10% owner at YALE SECURITIES LTD · on record since May 30, 2023

Insider trading activity of Sarissa Capital Management LP

Transactions on record: 30; since Jan 14, 2016

Open-market buys: 10; $12.2M

Open-market sells: 0

Companies traded: 4; last filing Jun 17, 2025

Figures computed from official regulatory filings — .

Companies where Sarissa Capital Management LP has traded

IRONWOOD PHARMACEUTICALS INC16 tx · $2.3M · Jun 17, 2025
YALE SECURITIES LTD6 tx · $2.9M · Jun 20, 2023
Regulus Therapeutics Inc.2 tx · Jan 3, 2020
SEELOS THERAPEUTICS, INC.6 tx · $7M · Mar 23, 2018

Track record of Sarissa Capital Management LP

Statistical track record

Free account

Open-market buys: 14

Last buy: Jun 15, 2023

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of Sarissa Capital Management LP

Co-insiders of Sarissa Capital Management LP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 17, 2025	Award	24,193	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Apr 4, 2025	Award	10,416	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Dec 18, 2024	Award	4,249	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Sep 18, 2024	Award	3,282	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 18, 2024	Award	2,572	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Dec 19, 2023	Award	1,347	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 22, 2023	Award	22,350	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YALE SECURITIES LTDListing unverified	Jun 20, 2023	Buy	62,000	13.13 USD	$814.1K	conv 21	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 20, 2023	Award	1,359	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	36,000	13.48 USD	$485.3K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	10,000	13.05 USD	$130.5K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	10,000	13.05 USD	$130.5K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	50,000	13.07 USD	$653.5K	conv 44ClusterFirst in 12mo	SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	50,000	13.07 USD	$653.5K	conv 44ClusterFirst in 12mo	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Sep 19, 2022	Award	1,374	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 17, 2022	Award	1,222	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 3, 2022	Award	21,571	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2022	Award	1,152	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Dec 17, 2021	Award	1,211	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2021	Award	1,235	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 10, 2021	Buy	150,000	10.30 USD	$1.5M	conv 51ClusterFirst in 12mo	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 10, 2021	Buy	75,000	10.54 USD	$790.5K	conv 28Cluster	SEC
Regulus Therapeutics Inc.Listing unverified	Jan 3, 2020	BuyD (derivative)	4,231,620	—	n/a (No price was disclosed in the filing)	ClusterFirst in 12mo	SEC
Regulus Therapeutics Inc.Listing unverified	Jan 3, 2020	BuyD (derivative)	423,162	—	n/a (No price was disclosed in the filing)	ClusterFirst in 12mo	SEC
SEELOS THERAPEUTICS, INC.Listing on record	Mar 23, 2018	OtherD (derivative)	-653,409	—	n/a (No price was disclosed in the filing)		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 17, 2025	Award	24,193	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Apr 4, 2025	Award	10,416	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Dec 18, 2024	Award	4,249	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Sep 18, 2024	Award	3,282	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 18, 2024	Award	2,572	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Dec 19, 2023	Award	1,347	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 22, 2023	Award	22,350	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YALE SECURITIES LTDListing unverified	Jun 20, 2023	Buy	62,000	13.13 USD	$814.1K	conv 21	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 20, 2023	Award	1,359	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	36,000	13.48 USD	$485.3K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	10,000	13.05 USD	$130.5K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	10,000	13.05 USD	$130.5K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	50,000	13.07 USD	$653.5K	conv 44ClusterFirst in 12mo	SEC
YALE SECURITIES LTDListing unverified	May 19, 2023	Buy	50,000	13.07 USD	$653.5K	conv 44ClusterFirst in 12mo	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Sep 19, 2022	Award	1,374	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 17, 2022	Award	1,222	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 3, 2022	Award	21,571	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2022	Award	1,152	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Dec 17, 2021	Award	1,211	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2021	Award	1,235	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 10, 2021	Buy	150,000	10.30 USD	$1.5M	conv 51ClusterFirst in 12mo	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 10, 2021	Buy	75,000	10.54 USD	$790.5K	conv 28Cluster	SEC
Regulus Therapeutics Inc.Listing unverified	Jan 3, 2020	BuyD (derivative)	4,231,620	—	n/a (No price was disclosed in the filing)	ClusterFirst in 12mo	SEC
Regulus Therapeutics Inc.Listing unverified	Jan 3, 2020	BuyD (derivative)	423,162	—	n/a (No price was disclosed in the filing)	ClusterFirst in 12mo	SEC
SEELOS THERAPEUTICS, INC.Listing on record	Mar 23, 2018	OtherD (derivative)	-653,409	—	n/a (No price was disclosed in the filing)		SEC