---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-023168"
form_type: "8-K"
ticker: "MAIA"
cik: "0001878313"
company_name: "MAIA Biotechnology, Inc."
filed_at: "2026-05-14T21:02:35+00:00"
generated_at: "2026-05-14T21:04:50.791986+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# MAIA Biotechnology terminates ATM equity offering agreement after raising ~$5.68M

## Summary
- Suspended sales and gave notice to terminate At The Market Offering Agreement with H.C. Wainwright, effective 7 business days after May 14, 2026.
- Since March 28, 2025 prospectus supplement for $11.2M, sold 3,116,012 shares for gross proceeds of approx. $5,680,924.
- No further sales under the ATM facility; termination will be effective upon expiration of the notice period.

## SEC filing metadata
- accession: 0001493152-26-023168
- form_type: 8-K
- ticker: MAIA
- cik: 0001878313
- company_name: MAIA Biotechnology, Inc.
- filed_at: 2026-05-14T21:02:35+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1878313/000149315226023168/0001493152-26-023168-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1878313/000149315226023168/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-023168
- JSON: https://secwatch.observer/filing/0001493152-26-023168.json
- Plain text: https://secwatch.observer/filing/0001493152-26-023168.txt

## Key facts
- Material Agreements
  MAIA Biotechnology, Inc. terminated At The Market Offering Agreement with H.C. Wainwright & Co., LLC (effective 2026-05-14).
  - Action: termination
  - Agreement: atm program
  - Counterparty: H.C. Wainwright & Co., LLC
  - Effective: 2026-05-14
  source text: On May 14, 2026, MAIA Biotechnology, Inc. (the “Company”) suspended sales of its common stock, par value $0.0001 per share (“Common Stock”), pursuant to that certain At The Market Offering Agreement dated February 14, 2024, or the sales agreement, between the Company and H.C. Wainwright & Co., LLC (the “Agent”), the Company’s sales agent thereunder, and provided notice to the Agent that it is terminating the sales agreement, which termination will be effective 7-business days after May 14, 2026, in accordance with the terms of the sales agreement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1878313/000149315226023168/0001493152-26-023168-index.htm

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