# EDGAR Filing Document

**Accession Number:** 0001878313
**File Stem:** 0001493152-26-023168
**Filing Date:** 2026-5
**Character Count:** 4577
**Document Hash:** 0f7d908c1cac7459c91b4df09ae30f3a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001493152-26-023168.hdr.sgml**: 20260514

**ACCESSION NUMBER**: 0001493152-26-023168

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260514

**ITEM INFORMATION**: Termination of a Material Definitive Agreement

**FILED AS OF DATE**: 20260514

**DATE AS OF CHANGE**: 20260514

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MAIA Biotechnology, Inc.
- **CENTRAL INDEX KEY:** 0001878313
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41455
- **FILM NUMBER:** 26980238

**BUSINESS ADDRESS:**
- **STREET 1:** 444 WEST LAKE STREET, SUITE 1700
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 312-416-8592

**MAIL ADDRESS:**
- **STREET 1:** 444 WEST LAKE STREET, SUITE 1700
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

**Current Report**

**Pursuant to Section 13 or 15(d)**

**of The Securities Exchange Act of 1934**

**Date of Report (Date of earliest event reported): May 14, 2026**

**MAIA Biotechnology, Inc.**

**(Exact name of registrant as specified in its charter)**

---

| | | |
|:---|:---|:---|
| **Delaware** | **001-41455** | **83-1495913** |
| **(State or other jurisdiction**<br> **of incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer**<br> **Identification No.)** |

---

---

| | |
|:---|:---|
| **444 West Lake Street, Suite 1700** |  |
| **Chicago, IL** | **60606** |
| **(Address of principal executive offices)** | **(Zip Code)** |

---

**(312) 416-8592**

**(Registrant's telephone number, including area code)**

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4© under the Exchange Act (17 CFR 240.13e-4©)

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol(s)** | **Name of each exchange on which registered** |
| Common Stock | MAIA | NYSE American |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

---

| | |
|:---|:---|
| **Item 1.02** | **Termination of a Material Definitive Agreement.** |

---

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. Since filing of the March 28, 2025 prospectus supplement for up to $11,200,000 under the sales agreement, we have offered and sold 3,116,012 shares of common stock for gross proceeds of approximately $5,680,924 pursuant to the sales agreement.

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: May 14, 2026

---

| | |
|:---|:---|
| MAIA BIOTECHNOLOGY, INC. | MAIA BIOTECHNOLOGY, INC. |
| By: | */s/ Vlad Vitoc*  |
| Name: | Vlad Vitoc |
| Title: | Chief Executive Officer |

---