Vlad Vitoc - 14 Sep 2026 Form 4 Insider Report for MAIA Biotechnology, Inc. (MAIA)

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: MAIA
Reported as of: 14 Sep 2026
Net transaction value: +$100,010
SEC form: 4
Accepted by SEC: 15 Sep 2026, 06:33:04 UTC
Prior SEC filing: 02 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Vlad Vitoc

Key filing fact

Vlad Vitoc filed Form 4 for MAIA Biotechnology, Inc. (MAIA) on 15 Sep 2026.

Key facts

This page summarizes Vlad Vitoc's Form 4 filing for MAIA Biotechnology, Inc. (MAIA).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 15 Sep 2026, 06:33.

Change

Previous filing in this sequence was filed on 02 Jun 2026.
Current net transaction value: +$100,010.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001913257 Primary reporting owner

Vitoc Vlad

Relationship: Chief Executive Officer, Director, 10%+ Owner
Address: 444 WEST LAKE STREET,, CHICAGO
Signature: /s/ Vlad Vitoc
Signature date: 15 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MAIA transaction

Common Stock

Purchase

Transaction value: $100,010
Shares: +73,000
Change %: +7.5%
Price: $1.37
Shares after: 1,049,121
Date: 14 Sep 2026
Ownership: Direct

MAIA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 210,100
Date: 14 Sep 2026
Ownership: See Footnote
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

These securities are beneficially owned by Mr. Vitoc's spouse. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.