Microcap Ledger

Tickers · $IRWD

Ironwood Pharmaceuticals Inc $IRWD

By Microcap Ledger desk · CIK 0001446847

Facts as of . Built from SEC filings and our own data. Small caps move fast; check the latest filings.

Snapshot

Exchange
Nasdaq Global Select Market
Sector
Pharmaceutical Preparations
Headquarters
Boston, MA
Fiscal year end
December 31
Shares outstanding
165,239,947 [10-Q 2026-08-06]
as of 2026-07-31

Sources: [10-K 2026-02-26]

What the company doesAI summary of filing

Ironwood Pharmaceuticals is a revenue-generating biotechnology company that develops and commercializes therapies for gastrointestinal and rare diseases. The company's primary product is LINZESS (linaclotide), a commercially available treatment for irritable bowel syndrome with constipation, chronic idiopathic constipation, and functional constipation, which generated $289.3 million in collaborative arrangements revenue in 2025. Through partnerships with AbbVie, AstraZeneca, and Astellas, LINZESS is marketed in the U.S., Europe, Canada, Mexico, Japan, and China. Ironwood is also advancing apraglutide, a GLP-2 analog in Phase III clinical trials for short bowel syndrome with intestinal failure, with a confirmatory trial expected to begin in the second quarter of 2026. [10-K 2026-02-26]

Segments: LINZESS (linaclotide), Apraglutide

Financial health

From XBRL company facts (USD)
PeriodRevenueNet incomeOperating cash flowCashFiling
6 months to Jun 2026$219.55M$92.06M $63.40M$79.13M[10-Q 2026-08-06]
FY ended Dec 2025$296.15M$24.02M $127.04M$215.46M[10-K 2026-02-26]
FY ended Dec 2024$351.41M$880.0K $103.55M$88.56M[10-K 2026-02-26]

Capital structure and dilution

Summary only. How these instruments work: Dilution & financing desk.

Share count
DateShares outstandingFiling
2024-10-31160,028,388[10-Q 2024-11-07]
2025-02-28161,809,432[10-K 2025-03-31]
2025-04-30161,819,848[10-Q 2025-05-12]
2025-07-31162,434,130[10-Q 2025-08-11]
2025-10-31162,678,647[10-Q 2025-11-10]
2026-01-31163,058,316[10-K 2026-02-26]
2026-04-30164,613,406[10-Q 2026-05-07]
2026-07-31165,239,947[10-Q 2026-08-06]
Shelf registration
S-3ASR filed 2023-11-09 [S-3ASR 2023-11-09]

Listing status

Current status: 2 Form 8-K Item 3.01 filing(s) in the last 24 months, most recent 2025-06-03. Item 3.01 covers delisting notices, failures to meet a listing rule and listing transfers; read the filing for which one.

DateEventDetailsDeadlineFiling
2025-06-038-K Item 3.01Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing—[8-K 2025-06-03]
2025-03-278-K Item 3.01Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing—[8-K 2025-03-27]

More on deficiency notices and uplistings: Listing status desk.

Who owns it

Recent Form 4 transactions
DateInsiderTypeSharesPriceFiling
2026-09-15Denner Alexander Jgrant3,694—[4 2026-09-17]
2026-07-20Silber Jeffreygrant137,036—[4 2026-07-22]
2026-07-07Silver Ronaldsell127,890$4.52[4 2026-07-09]
2026-06-16Shepard Jaygrant63,481—[4 2026-06-17]
2026-06-16Kessler Marla Lgrant63,481—[4 2026-06-17]
2026-06-16Currie Mark Ggrant63,481—[4 2026-06-17]
2026-06-16Duane Jon Rgrant63,481—[4 2026-06-17]
2026-06-16Denner Alexander Jgrant63,481—[4 2026-06-17]
2026-06-15Denner Alexander Jgrant4,065—[4 2026-06-17]

Catalysts and calendar

Facts as of . Small caps move fast; check the latest filings.