MAIA

SEC source: 0001127602-22-022401 · form4.xml · nonDerivative · entry 1

Guerrero Ramiro · CIK 0001913253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297,464.04

F1 · price: These shares were purchased by the reporting person in the open market for $3.85 per share on September 13, 2022.

SEC source: 0001127602-22-021869 · form4.xml · nonDerivative · entry 1

Guerrero Ramiro · CIK 0001913253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 288,665.31

F1 · price: These shares were purchased by the reporting person in the open market for $3.97 per share on August 30, 2022.

SEC source: 0000899243-22-029752 · doc4.xml · derivative · entry 2

Gryaznov Sergei · CIK 0001913228 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Common Stock · 10,000 shares

Expires 2029-11-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Represents the right to buy shares of Common Stock granted pursuant to the 2018 Stock Option Plan. These options vested in four equal monthly installments beginning on December 1, 2019.

SEC source: 0000899243-22-029752 · doc4.xml · nonDerivative · entry 1

Gryaznov Sergei · CIK 0001913228 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,511

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000899243-22-027462 · doc4.xml · nonDerivative · entry 2

Smith Stan · CIK 0001913199 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 503,328

F3 · kind: In connection with a crossover round with certain investors consisting of sales of common stock, $0.0001 par value per share ("Common Stock") of the Issuer at a price of $9.00 per share, in the event that the price per share of Common Stock sold in the IPO was less than $9.00 per share, the Issuer, on the closing date of the IPO (August 1, 2022), issued to such investors, so long as they continued to hold such shares of Common Stock purchased in the crossover round, that number of additional shares of Common Stock such that the price per share they paid in the crossover round was equal to the per share price in the Issuer's IPO. As the reporting person purchased 9,000 shares at $9.00 per share in the crossover round that the reporting person continued to hold, and the per share price in the IPO was $5.00 per share, accordingly, at the close of the IPO, the Issuer issued to the reporting person an additional 7,200 shares of Common Stock for no additional consideration.

F3 · price: In connection with a crossover round with certain investors consisting of sales of common stock, $0.0001 par value per share ("Common Stock") of the Issuer at a price of $9.00 per share, in the event that the price per share of Common Stock sold in the IPO was less than $9.00 per share, the Issuer, on the closing date of the IPO (August 1, 2022), issued to such investors, so long as they continued to hold such shares of Common Stock purchased in the crossover round, that number of additional shares of Common Stock such that the price per share they paid in the crossover round was equal to the per share price in the Issuer's IPO. As the reporting person purchased 9,000 shares at $9.00 per share in the crossover round that the reporting person continued to hold, and the per share price in the IPO was $5.00 per share, accordingly, at the close of the IPO, the Issuer issued to the reporting person an additional 7,200 shares of Common Stock for no additional consideration.

F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993.

SEC source: 0000899243-22-027462 · doc4.xml · nonDerivative · entry 1

Smith Stan · CIK 0001913199 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 496,128

F1 · kind: These shares were purchased in the initial public offering (the "IPO") of MAIA Biotechnology, Inc. (the "Issuer"), which closed on August 1, 2022.

F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993.

SEC source: 0000899243-22-027461 · doc4.xml · nonDerivative · entry 1

Louie Ngar Yee · CIK 0001913264 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 928,584

F1 · kind: These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0000899243-22-027459 · doc4.xml · nonDerivative · entry 1

Obrocea Mihail · CIK 0001913265 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,100

F1 · kind: These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0000899243-22-027455 · doc4.xml · nonDerivative · entry 1

Gryaznov Sergei · CIK 0001913228 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,511

F1 · kind: These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0000899243-22-027456 · doc4.xml · nonDerivative · entry 2

CHAOUKI STEVEN M · CIK 0001776865 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,250

F2 · kind: In connection with a crossover round with certain investors consisting of sales of common stock, $0.0001 par value per share ("Common Stock") of the Issuer at a price of $9.00 per share, in the event that the price per share of Common Stock sold in the IPO was less than $9.00 per share, the Issuer, on the closing date of the IPO (August 1, 2022), issued to such investors, so long as they continued to hold such shares of Common Stock purchased in the crossover round, that number of additional shares of Common Stock such that the price per share they paid in the crossover round was equal to the per share price in the Issuer's IPO. As the reporting person purchased 10,000 shares at $9.00 per share in the crossover round that the reporting person continued to hold, and the per share price in the IPO was $5.00 per share, accordingly, at the close of the IPO, the Issuer issued to the reporting person an additional 8,000 shares of Common Stock for no additional consideration.

F2 · price: In connection with a crossover round with certain investors consisting of sales of common stock, $0.0001 par value per share ("Common Stock") of the Issuer at a price of $9.00 per share, in the event that the price per share of Common Stock sold in the IPO was less than $9.00 per share, the Issuer, on the closing date of the IPO (August 1, 2022), issued to such investors, so long as they continued to hold such shares of Common Stock purchased in the crossover round, that number of additional shares of Common Stock such that the price per share they paid in the crossover round was equal to the per share price in the Issuer's IPO. As the reporting person purchased 10,000 shares at $9.00 per share in the crossover round that the reporting person continued to hold, and the per share price in the IPO was $5.00 per share, accordingly, at the close of the IPO, the Issuer issued to the reporting person an additional 8,000 shares of Common Stock for no additional consideration.

SEC source: 0000899243-22-027456 · doc4.xml · nonDerivative · entry 1

CHAOUKI STEVEN M · CIK 0001776865 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,250

F1 · kind: These shares were purchased in the initial public offering (the "IPO") of MAIA Biotechnology, Inc. (the "Issuer"), which closed on August 1, 2022.

SEC source: 0000899243-22-027451 · doc4.xml · nonDerivative · entry 1

Vlad Laurentiu · CIK 0001913254 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 376,933

F1 · kind: These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0000899243-22-027453 · doc4.xml · nonDerivative · entry 1

MCGUIRE JOSEPH F · CIK 0001243988 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

F1 · kind: These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0000899243-22-027454 · doc4.xml · nonDerivative · entry 1

Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 789,121

F1 · kind: These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0000899243-22-027452 · doc4.xml · nonDerivative · entry 1

Luput Cristian · CIK 0001913350 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 278,068

F1 · kind: These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0000899243-22-027444 · doc4.xml · nonDerivative · entry 2

Guerrero Ramiro · CIK 0001913253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 288,382

F2 · kind: These shares were purchased by the reporting person in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0001127602-22-026326 · form4a.xml · nonDerivative · entry 2

Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 210,000

F1 · kind: These shares were purchased in the issuer's initial public offering, which closed on August 1, 2022.

F2 · ownership.nature: These securities are beneficially owned by Mr. Vitoc's spouse. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001127602-22-026326 · form4a.xml · nonDerivative · entry 1

Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 789,121

F1 · kind: These shares were purchased in the issuer's initial public offering, which closed on August 1, 2022.

SEC source: 0000899243-22-027444 · doc4.xml · nonDerivative · entry 1

Guerrero Ramiro · CIK 0001913253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 268,382

F1 · kind: These shares were purchased by the reporting person in the open market for $4.00 per share on July 28, 2022.