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Ironwood Pharmaceuticals, Inc.

IRWD
Healthcare|Drug Manufacturers - Specialty & Generic|US
$4.39
+0.36 (+8.93%)
DCF Value
$5.89
Cash / Share
$0.52

Ownership Breakdown

96.3%
Float
165.2M
Shares Outstanding
159.1M
Float Shares

Major Holders (13)

Combined: 60.1%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
Armistice Capital, LLCIA, OO8.43%13,932,000Aug 14, 202613D/G
Steven BoydHC, IN8.43%13,932,000Aug 14, 202613D/G
BlackRock, Inc.Holding company8.10%13,373,568Jul 28, 202613D/G
Alexander J. DennerIndividual5.80%9,444,944Mar 19, 202613D/G
Sarissa Capital Management LPPartnership5.60%9,188,635Mar 19, 202613D/G
State Street CorporationHolding company5.40%8,809,601Aug 7, 202613D/G
Renaissance Technologies LLCInvestment adviser4.90%8,061,073May 14, 202613D/G
Renaissance Technologies Holdings CorporationHolding company4.90%8,061,073May 14, 202613D/G
Bank of America Corp /De/Holding company3.20%5,219,315Oct 28, 202613D/G
Barclays PLCHolding company1.95%3,167,713Nov 12, 202513D/G
Joe M. ThomsonIndividual1.12%1,789,098May 2, 202513D/G
Pacer Advisors, Inc.Investment adviser1.12%1,789,098May 2, 202513D/G
Pacer US Small Cap Cash Cows ETFInvestment company1.12%1,789,098May 2, 202513D/G

Insider Trades (100)

Last 4 quarters: 1,760,021 acquired · 7,239,681 disposed
InsiderPositionDateTypeSharesPriceValueFiling
DENNER ALEXANDER JdirectorSep 15, 2026AWARD3,694——Form 4
Silber JeffreySVP, CMO, Head-Res&DrugJul 20, 2026AWARD137,036——Form 4
Silber JeffreyJul 20, 2026OTHER0——Form 4
Silver RonaldPFO & PAOJul 7, 2026SELL127,890$4.52$578.1KForm 4
Shepard JaydirectorJun 16, 2026AWARD63,481——Form 4
Kessler Marla LdirectorJun 16, 2026AWARD63,481——Form 4
Currie Mark GdirectorJun 16, 2026AWARD63,481——Form 4
Duane Jon RdirectorJun 16, 2026AWARD63,481——Form 4
DENNER ALEXANDER JdirectorJun 16, 2026AWARD63,481——Form 4
DENNER ALEXANDER JdirectorJun 15, 2026AWARD4,065——Form 4
McHugh JuliedirectorJun 16, 2026AWARD63,481——Form 4
McHugh JuliedirectorJun 16, 2026SELL21,571$3.73$80.5KForm 4
Moukheibir CatherinedirectorJun 16, 2026AWARD63,481——Form 4
Silver RonaldPFO & PAOMay 19, 2026AWARD25,000——Form 4
DENNER ALEXANDER JdirectorMar 17, 2026SELL6,725,000$3.05$20.5MForm 4
DENNER ALEXANDER JdirectorMar 17, 2026SELL5,800$3.31$19.2KForm 4
DENNER ALEXANDER JdirectorMar 13, 2026AWARD4,451——Form 4
John MinardoChief Legal OfficerMar 10, 2026AWARD136,612——Form 4
Martini Gregory S.Chief Financial OfficerMar 10, 2026AWARD136,612——Form 4
Gaskins Tammi LChief Commercial OfficerMar 10, 2026AWARD136,612——Form 4
Shetzline MichaelSVP, CMO, Head-Res&DrugMar 10, 2026AWARD136,612——Form 4
Silver RonaldPrincipal Accounting OfficerMar 10, 2026AWARD163,934——Form 4
MCCOURT Thomas Adirector, officer: Chief Executive OfficerMar 10, 2026AWARD409,836——Form 4
John MinardoChief Legal OfficerFeb 23, 2026SELL17,439$3.81$66.4KForm 4
John MinardoChief Legal OfficerFeb 24, 2026SELL19,053$3.66$69.7KForm 4
Shetzline MichaelSVP, CMO, Head-Res&DrugFeb 23, 2026SELL15,570$3.81$59.3KForm 4
Shetzline MichaelSVP, CMO, Head-Res&DrugFeb 24, 2026SELL17,012$3.66$62.3KForm 4
Gaskins Tammi LChief Commercial OfficerFeb 23, 2026SELL10,287$3.81$39.2KForm 4
Gaskins Tammi LChief Commercial OfficerFeb 24, 2026SELL11,239$3.66$41.1KForm 4
MCCOURT Thomas Adirector, officer: Chief Executive OfficerFeb 23, 2026SELL94,757$3.81$361.0KForm 4
MCCOURT Thomas Adirector, officer: Chief Executive OfficerFeb 24, 2026SELL103,526$3.66$378.9KForm 4
Martini Gregory S.Chief Financial OfficerFeb 23, 2026SELL10,487$3.81$40.0KForm 4
Martini Gregory S.Chief Financial OfficerFeb 24, 2026SELL11,457$3.66$41.9KForm 4
Silver RonaldPrincipal Accounting OfficerFeb 23, 2026SELL11,552$3.81$44.0KForm 4
Silver RonaldPrincipal Accounting OfficerFeb 24, 2026SELL12,621$3.66$46.2KForm 4
Silver RonaldPrincipal Accounting OfficerJan 5, 2026SELL35,416$4.60$162.9KForm 4
DENNER ALEXANDER Jdirector, 10 percent owner: Dec 15, 2025AWARD4,178——Form 4
Gaskins Tammi LChief Commercial OfficerNov 17, 2025SELL6,016$3.32$20.0KForm 4
DENNER ALEXANDER Jdirector, 10 percent owner: Sep 15, 2025AWARD11,718——Form 4
Gaskins Tammi LChief Commercial OfficerAug 11, 2025SELL1,316$0.84$1.1KForm 4
John MinardoChief Legal OfficerAug 11, 2025SELL7,754$0.84$6.5KForm 4
Martini Gregory S.Chief Financial OfficerAug 11, 2025SELL1,265$0.84$1.1KForm 4
Silver RonaldPrincipal Accounting OfficerAug 11, 2025SELL2,846$0.84$2.4KForm 4
DENNER ALEXANDER Jdirector, 10 percent owner: Jun 13, 2025AWARD24,193——Form 4
Kessler Marla LdirectorJun 10, 2025AWARD45,000——Form 4
Shepard JaydirectorJun 10, 2025AWARD45,000——Form 4
Moukheibir CatherinedirectorJun 10, 2025AWARD45,000——Form 4
Duane Jon RdirectorJun 10, 2025AWARD45,000——Form 4
Currie Mark GdirectorJun 10, 2025AWARD45,000——Form 4
McHugh JuliedirectorJun 10, 2025AWARD45,000——Form 4
Dreyfus AndrewdirectorJun 10, 2025AWARD45,000——Form 4
DENNER ALEXANDER Jdirector, 10 percent owner: Jun 10, 2025AWARD45,000——Form 4
MCCOURT Thomas Adirector, officer: Chief Executive OfficerMay 20, 2025AWARD540,000——Form 4
MCCOURT Thomas Adirector, officer: Chief Executive OfficerMay 16, 2025SELL13,353$0.58$7.7KForm 4
Gaskins Tammi LChief Commercial OfficerMay 16, 2025SELL2,563$0.58$1.5KForm 4
DENNER ALEXANDER Jdirector, 10 percent owner: Apr 2, 2025AWARD10,416——Form 4
Gaskins Tammi LChief Commercial OfficerMar 11, 2025OTHER0——Form 4
MCCOURT Thomas Adirector, officer: Chief Executive OfficerFeb 10, 2025SELL139,064$1.76$244.8KForm 4
Silver RonaldPrincipal Accounting OfficerFeb 10, 2025SELL12,048$1.76$21.2KForm 4
Shetzline MichaelSVP, CMO, Head-Res&DrugFeb 10, 2025AWARD133,333——Form 4
Shetzline MichaelSVP, CMO, Head-Res&DrugFeb 10, 2025SELL41,269$1.76$72.6KForm 4
John MinardoChief Legal OfficerFeb 10, 2025AWARD122,222——Form 4
John MinardoChief Legal OfficerFeb 10, 2025SELL38,938$1.76$68.5KForm 4
Martini Gregory S.Chief Financial OfficerFeb 10, 2025SELL12,052$1.76$21.2KForm 4
Silver RonaldPrincipal Accounting OfficerJan 27, 2025AWARD133,333——Form 4
Martini Gregory S.Chief Financial OfficerJan 27, 2025AWARD111,111——Form 4
Martini Gregory S.Chief Financial OfficerJan 27, 2025OTHER0——Form 4
Martini Gregory S.Chief Financial OfficerJan 27, 2025OTHER3,307$16.90$55.9KForm 4
Martini Gregory S.Chief Financial OfficerJan 27, 2025OTHER1,587$12.95$20.6KForm 4
Shetzline MichaelSVP, CMO, Head-Res&DrugJan 17, 2025AWARD48,224——Form 4
John MinardoChief Legal OfficerJan 17, 2025AWARD40,187——Form 4
MCCOURT Thomas Adirector, officer: Chief Executive OfficerJan 17, 2025AWARD147,354——Form 4
DENNER ALEXANDER Jdirector, 10 percent owner: Dec 16, 2024AWARD4,249——Form 4
Davis AndrewSVP, Chief Business OfficerNov 18, 2024SELL5,360$4.08$21.9KForm 4
Emany Sravan KumarSVP, COO and CFONov 18, 2024SELL11,001$4.08$44.9KForm 4
DENNER ALEXANDER Jdirector, 10 percent owner: Sep 16, 2024AWARD3,282——Form 4
John MinardoChief Legal OfficerAug 12, 2024SELL9,910$4.27$42.3KForm 4
Silver RonaldPrincipal Accounting OfficerAug 12, 2024SELL3,107$4.27$13.3KForm 4
Shepard JaydirectorJun 18, 2024AWARD24,311——Form 4
Dreyfus AndrewdirectorJun 18, 2024AWARD24,311——Form 4
Duane Jon RdirectorJun 18, 2024AWARD24,311——Form 4
McHugh JuliedirectorJun 18, 2024AWARD24,311——Form 4
Moukheibir CatherinedirectorJun 18, 2024AWARD24,311——Form 4
Kessler Marla LdirectorJun 18, 2024AWARD24,311——Form 4
DENNER ALEXANDER Jdirector, 10 percent owner: Jun 18, 2024AWARD24,311——Form 4
Currie Mark GdirectorJun 18, 2024AWARD24,311——Form 4
DENNER ALEXANDER Jdirector, 10 percent owner: Jun 15, 2024AWARD2,572——Form 4
McHugh JuliedirectorJun 10, 2024SELL22,766$6.29$143.2KForm 4
Moukheibir CatherinedirectorJun 6, 2024SELL44,426$6.36$282.5KForm 4
Moukheibir CatherinedirectorJun 7, 2024SELL35,574$6.61$235.1KForm 4
MCCOURT Thomas Adirector, officer: Chief Executive OfficerMay 20, 2024SELL67,618$6.45$436.1KForm 4
Davis AndrewSVP, Chief Business OfficerMay 20, 2024SELL22,725$6.45$146.6KForm 4
Shetzline MichaelCMO,SVP,Head-Res&DrugMay 20, 2024SELL16,128$6.45$104.0KForm 4
John MinardoChief Legal OfficerMay 20, 2024SELL17,404$6.45$112.3KForm 4
Emany Sravan KumarSVP, Chief Financial OfficerMay 16, 2024TAX W/H18,280$6.64$121.4KForm 4
DENNER ALEXANDER Jdirector, 10 percent owner: Mar 15, 2024AWARD1,662——Form 4
John MinardoChief Legal OfficerMar 8, 2024OPTION EX.32,752——Form 4
John MinardoChief Legal OfficerMar 8, 2024OPTION EX.32,752——Form 4
Emany Sravan KumarSVP, Chief Financial OfficerMar 8, 2024OPTION EX.37,120——Form 4
Emany Sravan KumarSVP, Chief Financial OfficerMar 8, 2024OPTION EX.37,120——Form 4