---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-059814"
form_type: "8-K"
ticker: "IRWD"
cik: "0001446847"
company_name: "IRONWOOD PHARMACEUTICALS INC"
filed_at: "2026-05-13T12:00:30+00:00"
generated_at: "2026-05-13T12:09:21.209885+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Ironwood CFO Gregory Martini resigns; Ronald Silver named interim CFO

## Summary
- Gregory Martini resigns as SVP, CFO effective May 15, 2026, not due to any disagreement with the company on financial reporting.
- Ronald Silver, SVP Corporate Controller and CAO, appointed interim CFO and principal financial officer effective May 15, 2026.
- Silver joined Ironwood in June 2018; served as Corporate Controller and CAO since January 2025.
- Silver is a CPA with prior roles at Eze Software Group and RSM, LLP, and holds a B.S. from U. Maryland and MBA from Georgetown.
- No family relationships with directors/executives; no transactions requiring disclosure under Reg S-K Item 404(a).

## SEC filing metadata
- accession: 0001104659-26-059814
- form_type: 8-K
- ticker: IRWD
- cik: 0001446847
- company_name: IRONWOOD PHARMACEUTICALS INC
- filed_at: 2026-05-13T12:00:30+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1446847/000110465926059814/0001104659-26-059814-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1446847/000110465926059814/tm2614428d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-059814
- JSON: https://secwatch.observer/filing/0001104659-26-059814.json
- Plain text: https://secwatch.observer/filing/0001104659-26-059814.txt

## Key facts
- Executive change
  Ronald Silver was appointed as interim chief financial officer and principal financial officer at IRONWOOD PHARMACEUTICALS INC.
  - Action: will also serve
  - Role: interim chief financial officer and principal financial officer
  source text: Effective May 15, 2026, Ronald Silver, age 44, the Company’s Senior Vice President, Corporate Controller and Chief Accounting Officer, will also serve as the Company’s interim chief financial officer and principal financial officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1446847/000110465926059814/0001104659-26-059814-index.htm
- Executive change
  Gregory Martini departed as Senior Vice President, Chief Financial Officer at IRONWOOD PHARMACEUTICALS INC.
  - Action: resigning
  - Role: Senior Vice President, Chief Financial Officer
  source text: On May 8, 2026, Gregory Martini notified Ironwood Pharmaceuticals, Inc. (the “Company”) that he is resigning from his position as Senior Vice President, Chief Financial Officer, effective May 15, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1446847/000110465926059814/0001104659-26-059814-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.