MAIA

MAIA Biotechnology, Inc.$1.31+0.01 (+1.15%)

Prev Close$1.30·MCap$47.9M·P/E—·Vol353.3K·Yield—

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Buys (12M)

$653.1K

▼

Sells (12M)

$0.00

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Net Activity

Net Buyer

$653.1K

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at MAIA Biotechnology, Inc. (MAIA) has been exclusively buying, with 16 insider purchases totaling $653.1K and 0 insider sales totaling $0.00. The most recent insider transaction was by Gryaznov Sergei (officer: Chief Scientific Officer), who purchased $2.7K worth of shares on Jun 2, 2026. MAIA Biotechnology, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $47.9M.

MAIA Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 2, 2026	Gryaznov Sergei	officer: Chief Scientific Officer	Buy	2,000	$1.35	$2.7K	46,511
Jun 2, 2026	Smith Stan	director	Buy	75,000	$1.34	$100.2K	1,519,178
Jun 2, 2026	Vitoc Vlad	director, 10 percent owner, officer: Chief Executive Officer	Buy	72,700	$1.39	$100.9K	976,121
Jan 12, 2026	Smith Stan	director	Buy	2,700	$3.69	$10.0K	1,424,178
Dec 22, 2025	CHAOUKI STEVEN M	Director	Buy	40,849	$1.22	$50.0K	0
Dec 22, 2025	Louie Ngar Yee	Director	Buy	81,699	$1.22	$100.0K	0
Dec 22, 2025	Smith Stan	Director	Buy	57,189	$1.22	$70.0K	0
Dec 5, 2025	Smith Stan	Director	Buy	9,160	$1.19	$10.9K	0
Nov 26, 2025	Luput Cristian	Director	Buy	38,145	$1.10	$41.8K	0
Nov 26, 2025	Smith Stan	Director	Buy	15,000	$1.04	$15.6K	0
Nov 26, 2025	Vitoc Vlad	Chief Executive Officer	Buy	72,000	$1.11	$79.8K	0
Nov 25, 2025	Luput Cristian	Director	Buy	10,000	$0.98	$9.8K	0
Nov 25, 2025	Vitoc Vlad	Chief Executive Officer	Buy	10,500	$0.97	$10.1K	0
Nov 24, 2025	Smith Stan	Director	Buy	25,000	$0.98	$24.6K	0
Nov 21, 2025	Vitoc Vlad	Chief Executive Officer	Buy	1,800	$0.92	$1.7K	0
Oct 1, 2025	Smith Stan	Director	Buy	19,230	$1.30	$25.0K	0
Jun 3, 2025	Smith Stan	Director	Buy	33,333	$1.50	$50.0K	0
May 8, 2025	Guerrero Ramiro	Director	Buy	20,000	$1.50	$30.0K	0
May 8, 2025	Smith Stan	Director	Buy	66,666	$1.50	$100.0K	0
Mar 3, 2025	Guerrero Ramiro	Director	Buy	33,333	$1.50	$50.0K	0
Mar 3, 2025	Smith Stan	Director	Buy	25,000	$1.50	$37.5K	0
Feb 24, 2025	Guerrero Ramiro	Director	Buy	73,333	$1.50	$110.0K	0
Feb 24, 2025	Smith Stan	Director	Buy	50,000	$1.50	$75.0K	0
Sep 19, 2022	Smith Stan	Director	Buy	2,700	$3.69	$10.0K	0
Sep 13, 2022	Guerrero Ramiro	Director	Buy	8,798	$3.85	$33.9K	297,464
Sep 1, 2022	Guerrero Ramiro	Director	Buy	283	$3.97	$1.1K	288,665
Aug 2, 2022	CHAOUKI STEVEN M	Director	Buy	5,000	$5.00	$25.0K	46,250
Aug 2, 2022	Gryaznov Sergei	Chief Scientific Officer	Buy	3,000	$5.00	$15.0K	24,511
Aug 2, 2022	Guerrero Ramiro	Director	Buy	29,000	$4.69	$136.0K	288,382
Aug 2, 2022	Louie Ngar Yee	Director	Buy	20,000	$5.00	$100.0K	928,584
Aug 2, 2022	Luput Cristian	Director	Buy	500	$5.00	$2.5K	278,068
Aug 2, 2022	MCGUIRE JOSEPH F	Chief Financial Officer	Buy	5,000	$5.00	$25.0K	5,000
Aug 2, 2022	Obrocea Mihail	Chief Medical Officer	Buy	1,000	$5.00	$5.0K	27,100
Aug 2, 2022	Smith Stan	Director	Buy	200,000	$5.00	$1.00M0.5% OS	496,128+68%
Aug 2, 2022	Vitoc Vlad	Chief Executive Officer	Buy	6,000	$5.00	$30.0K	789,121
Aug 2, 2022	Vlad Laurentiu	Director	Buy	5,000	$5.00	$25.0K	376,933

MAIA Insider Buying Activity

The following table shows recent insider purchases of MAIA Biotechnology, Inc. (MAIA) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 2, 2026	Gryaznov Sergei	officer: Chief Scientific Officer	Buy	2,000	$1.35	$2.7K	46,511
Jun 2, 2026	Smith Stan	director	Buy	75,000	$1.34	$100.2K	1,519,178
Jun 2, 2026	Vitoc Vlad	director, 10 percent owner, officer: Chief Executive Officer	Buy	72,700	$1.39	$100.9K	976,121
Jan 12, 2026	Smith Stan	director	Buy	2,700	$3.69	$10.0K	1,424,178
Dec 22, 2025	CHAOUKI STEVEN M	Director	Buy	40,849	$1.22	$50.0K	0
Dec 22, 2025	Louie Ngar Yee	Director	Buy	81,699	$1.22	$100.0K	0
Dec 22, 2025	Smith Stan	Director	Buy	57,189	$1.22	$70.0K	0
Dec 5, 2025	Smith Stan	Director	Buy	9,160	$1.19	$10.9K	0
Nov 26, 2025	Luput Cristian	Director	Buy	38,145	$1.10	$41.8K	0
Nov 26, 2025	Smith Stan	Director	Buy	15,000	$1.04	$15.6K	0
Nov 26, 2025	Vitoc Vlad	Chief Executive Officer	Buy	72,000	$1.11	$79.8K	0
Nov 25, 2025	Luput Cristian	Director	Buy	10,000	$0.98	$9.8K	0
Nov 25, 2025	Vitoc Vlad	Chief Executive Officer	Buy	10,500	$0.97	$10.1K	0
Nov 24, 2025	Smith Stan	Director	Buy	25,000	$0.98	$24.6K	0
Nov 21, 2025	Vitoc Vlad	Chief Executive Officer	Buy	1,800	$0.92	$1.7K	0
Oct 1, 2025	Smith Stan	Director	Buy	19,230	$1.30	$25.0K	0
Jun 3, 2025	Smith Stan	Director	Buy	33,333	$1.50	$50.0K	0
May 8, 2025	Guerrero Ramiro	Director	Buy	20,000	$1.50	$30.0K	0
May 8, 2025	Smith Stan	Director	Buy	66,666	$1.50	$100.0K	0
Mar 3, 2025	Guerrero Ramiro	Director	Buy	33,333	$1.50	$50.0K	0
Mar 3, 2025	Smith Stan	Director	Buy	25,000	$1.50	$37.5K	0
Feb 24, 2025	Guerrero Ramiro	Director	Buy	73,333	$1.50	$110.0K	0
Feb 24, 2025	Smith Stan	Director	Buy	50,000	$1.50	$75.0K	0
Sep 19, 2022	Smith Stan	Director	Buy	2,700	$3.69	$10.0K	0
Sep 13, 2022	Guerrero Ramiro	Director	Buy	8,798	$3.85	$33.9K	297,464
Sep 1, 2022	Guerrero Ramiro	Director	Buy	283	$3.97	$1.1K	288,665
Aug 2, 2022	CHAOUKI STEVEN M	Director	Buy	5,000	$5.00	$25.0K	46,250
Aug 2, 2022	Gryaznov Sergei	Chief Scientific Officer	Buy	3,000	$5.00	$15.0K	24,511
Aug 2, 2022	Guerrero Ramiro	Director	Buy	29,000	$4.69	$136.0K	288,382
Aug 2, 2022	Louie Ngar Yee	Director	Buy	20,000	$5.00	$100.0K	928,584
Aug 2, 2022	Luput Cristian	Director	Buy	500	$5.00	$2.5K	278,068
Aug 2, 2022	MCGUIRE JOSEPH F	Chief Financial Officer	Buy	5,000	$5.00	$25.0K	5,000
Aug 2, 2022	Obrocea Mihail	Chief Medical Officer	Buy	1,000	$5.00	$5.0K	27,100
Aug 2, 2022	Smith Stan	Director	Buy	200,000	$5.00	$1.00M0.5% OS	496,128+68%
Aug 2, 2022	Vitoc Vlad	Chief Executive Officer	Buy	6,000	$5.00	$30.0K	789,121
Aug 2, 2022	Vlad Laurentiu	Director	Buy	5,000	$5.00	$25.0K	376,933