---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-123677"
form_type: "8-K/A"
ticker: null
cik: "0001496323"
company_name: "IGM Biosciences, Inc."
filed_at: "2024-11-08T23:59:59+00:00"
generated_at: "2026-05-30T02:46:39.171319+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# IGM Biosciences estimates $11.7M-$14.4M in restructuring charges for strategic pivot

## Summary
- Total restructuring charges estimated between $11.7M and $14.4M.
- Cash costs: $3.4M to $5.7M for severance and termination; $0.1M to $0.3M for contract termination.
- Non-cash stock-based compensation: $8.2M to $8.4M.
- Substantially all charges expected in Q3 2024; restructuring complete by Q2 2025.
- Amends Oct 3, 2024 8-K disclosing shift away from aplitabart and oncology R&D.

## SEC filing metadata
- accession: 0000950170-24-123677
- form_type: 8-K/A
- cik: 0001496323
- company_name: IGM Biosciences, Inc.
- filed_at: 2024-11-08T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.05
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1496323/000095017024123677/0000950170-24-123677-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1496323/000095017024123677/igms-20240927.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-123677
- JSON: https://secwatch.observer/filing/0000950170-24-123677.json
- Plain text: https://secwatch.observer/filing/0000950170-24-123677.txt

## Key facts
- Restructurings & Charges
  IGM Biosciences, Inc. announced a restructuring with charges of total restructuring charges between $11.7 million and $14.4 million.
  - Type: restructuring
  - Charge: total restructuring charges between $11.7 million and $14.4 million
  source text: As a result of the 2024 Restructuring, the Company estimates it will incur total restructuring charges between $11.7 million and $14.4 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/1496323/000095017024123677/0000950170-24-123677-index.htm

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