Denner Alexander J

Director at IMCLONE SYSTEMS INC · on record since May 18, 2006
Director at Savara Inc · on record since Oct 26, 2006
Director at Viskase Holdings, Inc. · on record since May 26, 2009
Director at BIOGEN INC. · on record since Jun 12, 2009
Director at AMYLIN PHARMACEUTICALS INC · on record since Jun 11, 2009
Director at VIVUS INC · on record since Aug 16, 2013
Director at ARIAD PHARMACEUTICALS INC · on record since Feb 24, 2014
10% owner at SEELOS THERAPEUTICS, INC. · on record since Feb 23, 2015
Director at MEDICINES CO /DE · on record since Feb 4, 2016
Director at Bioverativ Inc. · on record since Mar 27, 2017
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
Director at IRONWOOD PHARMACEUTICALS INC · on record since Dec 17, 2020
10% owner at IRONWOOD PHARMACEUTICALS INC · on record since Mar 17, 2021
10% owner at YALE SECURITIES LTD · on record since May 30, 2023

Insider trading activity of Denner Alexander J

Transactions on record: 194; since May 8, 2006

Open-market buys: 49; $333.2M

Open-market sells: 19; $59.9M

Companies traded: 12; last filing Sep 17, 2026

Figures computed from official regulatory filings — .

Companies where Denner Alexander J has traded

IRONWOOD PHARMACEUTICALS INC26 tx · $41M · Sep 17, 2026
9 tx · $34.8M · Mar 6, 2025
49 tx · $190.3M · Jun 17, 2022
2 tx · $5M · Nov 3, 2020
34 tx · $63.6M · Jan 6, 2020
13 tx · $56.5M · Mar 8, 2018
21 tx · $38.1T · Feb 16, 2017
5 tx · $4.9M · Nov 3, 2015
9 tx · Jan 4, 2013
21 tx · $3.2M · Aug 10, 2012
3 tx · Jul 8, 2008
2 tx · May 8, 2006

Track record of Denner Alexander J

Statistical track record

Free account

Open-market buys: 53

Last buy: Jun 6, 2023

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

Transaction history of Denner Alexander J

Co-insiders of Denner Alexander J

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IRONWOOD PHARMACEUTICALS INCListing on record	Sep 17, 2026	Award	3,694	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, 2026	Award	63,481	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, 2026	Award	4,065	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, 2026	Sell	-5,800	3.31 USD	$19.2K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2026	Sell	-6,725,000	3.05 USD	$20.5M	Unusual size	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2026	Award	4,451	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, 2025	Award	4,178	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 17, 2025	Award	11,718	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 12, 2025	Award	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YALE SECURITIES LTDListing unverified	Mar 6, 2025	Sell	-270,374	17.63 USD	$4.8M	Unusual size	SEC
YALE SECURITIES LTDListing unverified	Mar 6, 2025	Sell	-151,175	17.63 USD	$2.7M		SEC
YALE SECURITIES LTDListing unverified	Mar 6, 2025	Sell	-1,196,746	17.52 USD	$21M	Unusual size	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 21, 2024	Award	24,311	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 19, 2024	Award	1,662	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 19, 2023	Award	1,798	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YALE SECURITIES LTDListing unverified	Jun 7, 2023	Buy	7,000	13.04 USD	$91.3K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	Jun 7, 2023	Buy	8,000	13.05 USD	$104.4K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 30, 2023	Buy	50,000	13.09 USD	$654.5K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 30, 2023	Buy	30,000	13.12 USD	$393.6K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 30, 2023	Buy	120,000	13.01 USD	$1.6M	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 15, 2023	Buy	290,000	12.34 USD	$3.6M	conv 30First in 12mo	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2023	Award	1,438	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, 2022	Award	1,244	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BIOGEN INC.Listing on record	Jun 17, 2022	Award	1,370	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 17, 2021	Award	1,137	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
IRONWOOD PHARMACEUTICALS INCListing on record	Sep 17, 2026	Award	3,694	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, 2026	Award	63,481	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, 2026	Award	4,065	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, 2026	Sell	-5,800	3.31 USD	$19.2K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2026	Sell	-6,725,000	3.05 USD	$20.5M	Unusual size	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2026	Award	4,451	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, 2025	Award	4,178	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 17, 2025	Award	11,718	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 12, 2025	Award	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YALE SECURITIES LTDListing unverified	Mar 6, 2025	Sell	-270,374	17.63 USD	$4.8M	Unusual size	SEC
YALE SECURITIES LTDListing unverified	Mar 6, 2025	Sell	-151,175	17.63 USD	$2.7M		SEC
YALE SECURITIES LTDListing unverified	Mar 6, 2025	Sell	-1,196,746	17.52 USD	$21M	Unusual size	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Jun 21, 2024	Award	24,311	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 19, 2024	Award	1,662	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 19, 2023	Award	1,798	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YALE SECURITIES LTDListing unverified	Jun 7, 2023	Buy	7,000	13.04 USD	$91.3K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	Jun 7, 2023	Buy	8,000	13.05 USD	$104.4K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 30, 2023	Buy	50,000	13.09 USD	$654.5K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 30, 2023	Buy	30,000	13.12 USD	$393.6K	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 30, 2023	Buy	120,000	13.01 USD	$1.6M	conv 33Cluster	SEC
YALE SECURITIES LTDListing unverified	May 15, 2023	Buy	290,000	12.34 USD	$3.6M	conv 30First in 12mo	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Mar 17, 2023	Award	1,438	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, 2022	Award	1,244	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
BIOGEN INC.Listing on record	Jun 17, 2022	Award	1,370	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 17, 2021	Award	1,137	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC