---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-024850"
form_type: "8-K"
ticker: "HCWB"
cik: "0001828673"
company_name: "HCW Biologics Inc."
filed_at: "2026-05-21T20:59:16+00:00"
generated_at: "2026-05-21T21:01:36.128910+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# HCW Biologics raises ~$4.0M in private placement at $1.405/unit

## Summary
- Sold 2,846,975 units at $1.405 each, each comprising 1 share (or pre-funded warrant at $1.2799) and 1 warrant exercisable at $1.28.
- Gross proceeds of ~$4.0M before fees; net proceeds for HCW9302 clinical trials and IND-enabling studies for HCW11-018b and HCW11-040.
- E.F. Hutton acted as sole placement agent; closing expected May 21, 2026.
- Registration rights agreement filed within 60 days; warrants expire 5.5 years from issuance.

## SEC filing metadata
- accession: 0001493152-26-024850
- form_type: 8-K
- ticker: HCWB
- cik: 0001828673
- company_name: HCW Biologics Inc.
- filed_at: 2026-05-21T20:59:16+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 3.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1828673/000149315226024850/0001493152-26-024850-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1828673/000149315226024850/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-024850
- JSON: https://secwatch.observer/filing/0001493152-26-024850.json
- Plain text: https://secwatch.observer/filing/0001493152-26-024850.txt

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