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CIK 0001878313 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company

MAIA Biotechnology, Inc.

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Ticker
MAIA
Exchange
NYSE
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
312-416-8592
Business address
444 WEST LAKE STREET, SUITE 1700, CHICAGO, IL, 60606
Open-market buys, last 90 days
$352,317
in 5 filings
Open-market sales, last 90 days
$0
in 0 filings

Net +$352,317. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Guerrero Ramiro +$252K Director 4 filings
  2. Vitoc Vlad +$100K Chief Executive Officer 1 filing

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-09-30 Theagene Jean-Manasse Director Grant or award · Stock Options +32,012 32,012
2026-09-30 Smith Stan Director Grant or award · Stock Options +38,871 38,871
2026-09-30 Luput Cristian Director Grant or award · Stock Options +33,536 33,536
2026-09-30 Louie Ngar Yee Director Grant or award · Stock Options +39,634 39,634
2026-09-30 Guerrero Ramiro Director Grant or award · Stock Options +32,012 32,012
2026-09-30 CHAOUKI STEVEN M Director Grant or award · Stock Options +32,774 32,774
2026-09-14 Vitoc Vlad Chief Executive Officer Purchase +73,000 $1.37 $100K 1,049,121
2026-09-10 Guerrero Ramiro Director Purchase +37,595 $1.32 $50K 773,296
2026-08-28 Guerrero Ramiro Director Purchase +46,620 $1.35 $63K 735,701
2026-08-27 Guerrero Ramiro Director Purchase +78,239 $1.39 $109K 689,081
2026-08-26 Guerrero Ramiro Director Purchase +8,931 $1.39 $12K 610,842
2026-08-24 Guerrero Ramiro Director Purchase +1,794 $1.33 $2K 601,911
2026-08-20 Guerrero Ramiro Director Purchase +11,899 $1.37 $16K 600,117
2026-06-30 CHAOUKI STEVEN M Director Grant or award · Stock Options +26,982 26,982
2026-06-30 Guerrero Ramiro Director Grant or award · Stock Options +26,355 26,355
2026-06-30 Louie Ngar Yee Director Grant or award · Stock Options +32,630 32,630
2026-06-30 Luput Cristian Director Grant or award · Stock Options +27,610 27,610
2026-06-30 Smith Stan Director Grant or award · Stock Options +32,003 32,003
2026-06-30 Theagene Jean-Manasse Director Grant or award · Stock Options +26,355 26,355
2026-06-01 Vitoc Vlad Chief Executive Officer Purchase +72,700 $1.39 $101K 976,121

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