---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-009973"
form_type: "8-K/A"
ticker: "CRBP"
cik: "0001595097"
company_name: "Corbus Pharmaceuticals Holdings, Inc."
filed_at: "2024-02-02T23:59:59+00:00"
generated_at: "2026-06-06T09:55:12.040993+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.0
calibrated_materiality_score: 0.0
confidence: "high"
source: SEC EDGAR
---

# Corbus Pharmaceuticals files non-substantive 8-K/A to correct Exhibit 5.1 signature

## Summary
- Amendment corrects omitted conformed signature on Lowenstein Sandler LLP legal opinion filed as Exhibit 5.1.
- Original 8-K filed Feb 1, 2024 remains unchanged; no new financial or business disclosures.
- Underwriting agreement and two press releases from Jan 30-31, 2024 are incorporated by reference unchanged.

## SEC filing metadata
- accession: 0000950170-24-009973
- form_type: 8-K/A
- ticker: CRBP
- cik: 0001595097
- company_name: Corbus Pharmaceuticals Holdings, Inc.
- filed_at: 2024-02-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.0
- calibrated_materiality_score: 0.0
- confidence: high
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1595097/000095017024009973/0000950170-24-009973-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1595097/000095017024009973/crbp-20240130.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-009973
- JSON: https://secwatch.observer/filing/0000950170-24-009973.json
- Plain text: https://secwatch.observer/filing/0000950170-24-009973.txt

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