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MAIA Biotechnology, Inc.

MAIA Net buying
CIK 0001878313 #4432 in the set updated 17 Sep 2026
Bought (12 mo)
$1.01M
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
+$1.01M
+$1.01M against sales at will

By person

7 insiders · 28 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Vitoc Vlad
Chief Executive Officer
$302.44K (7)
+$302.44K
1,259,221
$1.73M
+23.5%
Guerrero Ramiro
Director
$252.31K (6)
+$252.31K
773,296
$1.06M
+142.0%
Smith Stan
Director
$251.82K (9)
+$251.82K
1,519,178
$2.08M
+49.8%
Louie Ngar Yee
Director
$100.00K (1)
+$100.00K
1,248,888
$1.71M
+7.0%
Luput Cristian
Director
$51.63K (3)
+$51.63K
437,628
$599.55K
+19.1%
CHAOUKI STEVEN M
Director
$50.00K (1)
+$50.00K
151,873
$208.07K
+70.9%
Gryaznov Sergei
Chief Scientific Officer
$2.69K (1)
+$2.69K
46,511
$63.72K
+4.5%

No percentages here. This company's share count has moved by a factor of 2.4 over the window, from 25,332,069 to 60,825,844 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Vitoc Vlad
14 Sep 2026
Chief Executive Officer
Buy
73,000
$1.37
$100.01K
Guerrero Ramiro
10 Sep 2026
Director
Buy
37,595
$1.32
$49.52K
Guerrero Ramiro
28 Aug 2026
Director
Buy
46,620
$1.35
$62.94K
Guerrero Ramiro
27 Aug 2026
Director
Buy
78,239
$1.39
$108.75K
Guerrero Ramiro
26 Aug 2026
Director
Buy
8,931
$1.39
$12.41K
Guerrero Ramiro
24 Aug 2026
Director
Buy
1,794
$1.33
$2.39K
Guerrero Ramiro
20 Aug 2026
Director
Buy
11,899
$1.37
$16.30K
Gryaznov Sergei
1 Jun 2026
Chief Scientific Officer
Buy
2,000
$1.35
$2.69K
Smith Stan
1 Jun 2026
Director
Buy indirect
75,000
$1.34
$100.20K
Vitoc Vlad
1 Jun 2026
Chief Executive Officer
Buy
72,700
$1.39
$100.89K
Louie Ngar Yee
22 Dec 2025
Director
Buy
81,699
$1.22
$100.00K
CHAOUKI STEVEN M
22 Dec 2025
Director
Buy
40,849
$1.22
$50.00K
Smith Stan
22 Dec 2025
Director
Buy indirect
57,189
$1.22
$70.00K
Smith Stan
5 Dec 2025
Director
Buy indirect
4,580
$1.20
$5.50K
Smith Stan
5 Dec 2025
Director
Buy indirect
4,580
$1.19
$5.45K
Smith Stan
5 Dec 2025
Director
Buy indirect
4,580
$1.20
$5.49K
Luput Cristian
28 Nov 2025
Director
Buy
18,145
$1.11
$20.23K
Vitoc Vlad
28 Nov 2025
Chief Executive Officer
Buy
50,000
$1.14
$56.83K
Smith Stan
26 Nov 2025
Director
Buy indirect
15,000
$1.04
$15.58K
Luput Cristian
26 Nov 2025
Director
Buy
20,000
$1.08
$21.62K
Vitoc Vlad
26 Nov 2025
Chief Executive Officer
Buy
22,000
$1.05
$23.02K
Smith Stan
25 Nov 2025
Director
Buy indirect
15,000
$0.98
$14.70K
Vitoc Vlad
25 Nov 2025
Chief Executive Officer
Buy
10,500
$0.97
$10.14K
Luput Cristian
25 Nov 2025
Director
Buy
10,000
$0.98
$9.79K
Vitoc Vlad
24 Nov 2025
Chief Executive Officer
Buy
10,000
$0.99
$9.89K
Smith Stan
24 Nov 2025
Director
Buy indirect
10,000
$0.99
$9.90K
Vitoc Vlad
21 Nov 2025
Chief Executive Officer
Buy
1,800
$0.92
$1.66K
Smith Stan
1 Oct 2025
Director
Buy indirect
19,230
$1.30
$25.00K

What was left out

Form 4 filings counted 51
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 0
History held since 2 Aug 2022