StockCIK 1878313

MAIA Biotechnology, Inc. (MAIA): Insider Trades and Fund Holdings

In the past 12 months, MAIA Biotechnology, Inc. insiders reported 7 open-market purchases worth $352K and 0 sales worth $0.

7Insider buys, 12 months

$352KBought by insiders, 12 months

$0Sold by insiders, 12 months

1Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 15, 2026.

Recent MAIA insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Sep 15	Sep 14	Vlad VitocCEO	CEO	▲ BUY	73,000	1.37	$100K	+7.5%	Form 4 ↗
Sep 14	Sep 10	Ramiro GuerreroDirector	Director	▲ BUY	37,595	1.32	$50K	+5.1%	Form 4 ↗
Sep 1	Aug 27	Ramiro GuerreroDirector	Director	▲ BUY	78,239	1.39	$109K	+13%	Form 4 ↗
Sep 1	Aug 28	Ramiro GuerreroDirector	Director	▲ BUY	46,620	1.35	$63K	+6.8%	Form 4 ↗
Sep 1	Aug 26	Ramiro GuerreroDirector	Director	▲ BUY	8,931	1.39	$12K	+1.5%	Form 4 ↗
Aug 26	Aug 24	Ramiro GuerreroDirector	Director	▲ BUY	1,794	1.33	$2K	+0.3%	Form 4 ↗
Aug 24	Aug 20	Ramiro GuerreroDirector	Director	▲ BUY	11,899	1.37	$16K	+2.0%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Vlad Vitoc	CEO	1	$100K	0	$0	Sep 15, 2026
Ramiro Guerrero	Director	6	$252K	0	$0	Sep 14, 2026

Tracked funds that report MAIA

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Renaissance Technologies	Q2 2026	415,700	$599K	0.00%	▲ New

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →