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MAIA Biotechnology, Inc. (MAIA)

MAIA Biotechnology, Inc. (MAIA) Insider Trading

Directors, officers and holders of more than 10% of MAIA report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 138 transactions on file: 20 with code P, 0 with code S and 30 with other codes.

DateInsiderCodeShares
Sep 30, 2026Guerrero RamiroA Award32,012
Sep 30, 2026Luput CristianA Award33,536
Sep 30, 2026Louie Ngar YeeA Award39,634
Sep 30, 2026Theagene Jean-ManasseA Award32,012
Sep 30, 2026CHAOUKI STEVEN MA Award32,774
Sep 30, 2026Smith StanA Award38,871
Sep 14, 2026Vitoc VladP Purchase73,000
Sep 10, 2026Guerrero RamiroP Purchase37,595
Aug 28, 2026Guerrero RamiroP Purchase46,620
Aug 27, 2026Guerrero RamiroP Purchase78,239
Aug 26, 2026Guerrero RamiroP Purchase8,931
Aug 24, 2026Guerrero RamiroP Purchase1,794
Aug 20, 2026Guerrero RamiroP Purchase11,899
Jun 30, 2026Luput CristianA Award27,610
Jun 30, 2026Smith StanA Award32,003
Jun 30, 2026Theagene Jean-ManasseA Award26,355
Jun 30, 2026Guerrero RamiroA Award26,355
Jun 30, 2026CHAOUKI STEVEN MA Award26,982
Jun 30, 2026Louie Ngar YeeA Award32,630
Jun 1, 2026Vitoc VladP Purchase72,700
Jun 1, 2026Gryaznov SergeiP Purchase2,000
Jun 1, 2026Smith StanP Purchase75,000
May 29, 2026Himmelreich Jeffrey CA Award60,000
May 29, 2026Vitoc VladA Award800,000
May 29, 2026Gryaznov SergeiA Award400,000
Apr 10, 2026Gryaznov SergeiA Award400,000
Apr 10, 2026Vitoc VladA Award800,000
Apr 10, 2026Himmelreich Jeffrey CA Award30,000
Mar 31, 2026Theagene Jean-ManasseA Award27,258
Mar 31, 2026Guerrero RamiroA Award27,258
Mar 31, 2026Louie Ngar YeeA Award33,748
Mar 31, 2026CHAOUKI STEVEN MA Award27,907
Mar 31, 2026Smith StanA Award33,099
Mar 31, 2026Luput CristianA Award28,556
Dec 31, 2025CHAOUKI STEVEN MA Award24,633
Dec 31, 2025Guerrero RamiroA Award24,060
Dec 31, 2025Luput CristianA Award25,206
Dec 31, 2025Smith StanA Award29,216
Dec 31, 2025Theagene Jean-ManasseA Award24,060
Dec 31, 2025Louie Ngar YeeA Award29,789
Dec 22, 2025Smith StanP Purchase57,189
Dec 22, 2025CHAOUKI STEVEN MP Purchase40,849
Dec 22, 2025CHAOUKI STEVEN MP Purchase40,849
Dec 22, 2025Smith StanP Purchase57,189
Dec 22, 2025Louie Ngar YeeP Purchase81,699
Dec 22, 2025Louie Ngar YeeP Purchase81,699
Dec 5, 2025Smith StanP Purchase4,580
Dec 5, 2025Smith StanP Purchase4,580
Dec 5, 2025Smith StanP Purchase4,580
Nov 28, 2025Vitoc VladP Purchase50,000

The full Form 4 history is on the MAIA company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.