---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-199454"
form_type: "8-K"
ticker: "STIM"
cik: "0001227636"
company_name: "Neuronetics, Inc."
filed_at: "2024-08-13T23:59:59+00:00"
generated_at: "2026-05-31T09:36:45.982212+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Neuronetics to acquire Greenbrook TMS in all-stock deal; combined company to be 57% owned by Neuronetics shareholders

## Summary
- Neuronetics issues ~25.3M shares to Greenbrook holders; existing Neuronetics shareholders own 57% of combined entity.
- Greenbrook shareholders get 43% of combined co.; Madryn (key Greenbrook holder) gets 2 board seats on 7-member board.
- Transaction expected to close by Dec 10, 2024, subject to shareholder & court approvals, Nasdaq review, and debt conversion conditions.
- Termination fee of $1.9M payable by either party under certain circumstances.
- Neuronetics will rely on Section 3(a)(10) exemption for share issuance; registration rights granted to Madryn.

## SEC filing metadata
- accession: 0001193125-24-199454
- form_type: 8-K
- ticker: STIM
- cik: 0001227636
- company_name: Neuronetics, Inc.
- filed_at: 2024-08-13T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1227636/000119312524199454/0001193125-24-199454-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1227636/000119312524199454/d883705d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-199454
- JSON: https://secwatch.observer/filing/0001193125-24-199454.json
- Plain text: https://secwatch.observer/filing/0001193125-24-199454.txt

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