---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-034626"
form_type: "8-K/A"
ticker: null
cik: "0001496323"
company_name: "IGM Biosciences, Inc."
filed_at: "2025-03-06T23:59:59+00:00"
generated_at: "2026-05-25T05:49:22.768441+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# IGM Biosciences estimates restructuring charges of $0.7M-$2.0M from 2025 headcount reduction

## Summary
- Total restructuring charges estimated between $0.7M and $2.0M.
- Cash expenditures for severance and termination: $4.1M to $5.4M, offset by non-cash stock compensation credit of $3.4M.
- Substantially all charges expected to be recognized in Q1 2025.
- Follows Jan 10 announcement halting imvotamab and IGM-2644 development and reducing workforce by ~73%.
- Estimates subject to assumptions; actual costs may differ materially.

## SEC filing metadata
- accession: 0000950170-25-034626
- form_type: 8-K/A
- cik: 0001496323
- company_name: IGM Biosciences, Inc.
- filed_at: 2025-03-06T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.05
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1496323/000095017025034626/0000950170-25-034626-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1496323/000095017025034626/igms-20250107.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-034626
- JSON: https://secwatch.observer/filing/0000950170-25-034626.json
- Plain text: https://secwatch.observer/filing/0000950170-25-034626.txt

## Key facts
- Restructurings & Charges
  IGM Biosciences, Inc. announced a restructuring with charges of between $0.7 million and $2.0 million.
  - Type: restructuring
  - Charge: between $0.7 million and $2.0 million
  source text: As a result of the 2025 Restructuring, the Company estimates it will incur total restructuring charges between $0.7 million and $2.0 million, consisting of cash expenditures between $4.1 million and $5.4 million for severance and one-time termination costs offset by non-cash compensation and stock-based compensation expense credit of $3.4 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1496323/000095017025034626/0000950170-25-034626-index.htm

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