---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-077076"
form_type: "8-K"
ticker: "IRWD"
cik: "0001446847"
company_name: "IRONWOOD PHARMACEUTICALS INC"
filed_at: "2023-06-30T23:59:59+00:00"
generated_at: "2026-06-13T13:51:30.852643+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Ironwood completes $1.15B tender offer for VectivBio, acquires ~97.6% of shares

## Summary
- Tendered 59.3M shares represent ~94.4% plus 2.0M via guaranteed delivery (~97.6% total).
- Offer price $17/share cash; total consideration ~$1.15B.
- Borrowed $400M under Revolving Credit Agreement to fund portion.
- Plans to delist VectivBio shares from Nasdaq and execute Swiss squeeze-out merger.
- Ironwood appointed new directors to VectivBio board effective immediately.

## SEC filing metadata
- accession: 0001104659-23-077076
- form_type: 8-K
- ticker: IRWD
- cik: 0001446847
- company_name: IRONWOOD PHARMACEUTICALS INC
- filed_at: 2023-06-30T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1446847/000110465923077076/0001104659-23-077076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1446847/000110465923077076/tm2320339d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-077076
- JSON: https://secwatch.observer/filing/0001104659-23-077076.json
- Plain text: https://secwatch.observer/filing/0001104659-23-077076.txt

## Key facts
- Debt Financings
  IRONWOOD PHARMACEUTICALS INC incurred revolving credit of $400,000,000 with Wells Fargo Bank, N.A..
  - Instrument: revolving credit
  - Principal: $400,000,000
  - Counterparty: Wells Fargo Bank, N.A.
  - Event: incurrence
  source text: On June 29, 2023, Ironwood borrowed $400,000,000 under the Revolving Credit Agreement to fund a portion of the consideration paid to purchase the Shares in connection with the Offer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1446847/000110465923077076/0001104659-23-077076-index.htm

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