Last 12 months
Inside the activity.
30 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 14 | 0 |
| Dec 2025 | 6 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 3 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 5 | 0 |
| Sep 2026 | 2 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 30, 2026 Filed Oct 3, 2026 00:15 UTC |
Guerrero RamiroDirector
|
GrantStock Options · Derivative | 32,012 | $0.00 Strike: $1.18 | $0.00 |
DisclosureSEC source: 0001878313-26-000096 · form4.xml · derivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 32,012 Underlying: Common Stock · 32,012 shares Expires 2036-09-30 F1 · derivative.exercise_date: The stock options, granted on September 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| September 30, 2026 Filed Oct 3, 2026 00:14 UTC |
CHAOUKI STEVEN MDirector
|
GrantStock Options · Derivative | 32,774 | $0.00 Strike: $1.18 | $0.00 |
DisclosureSEC source: 0001878313-26-000095 · form4.xml · derivative · entry 1 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 32,774 Underlying: Common Stock · 32,774 shares Expires 2036-09-30 F1 · derivative.exercise_date: The stock options, granted on September 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| September 30, 2026 Filed Oct 3, 2026 00:16 UTC |
Louie Ngar YeeDirector
|
GrantStock Options · Derivative | 39,634 | $0.00 Strike: $1.18 | $0.00 |
DisclosureSEC source: 0001878313-26-000097 · form4.xml · derivative · entry 1 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 39,634 Underlying: Common Stock · 39,634 shares Expires 2036-09-30 F1 · derivative.exercise_date: The stock options, granted on September 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| September 30, 2026 Filed Oct 3, 2026 00:18 UTC |
Smith StanDirector
|
GrantStock Options · Derivative | 38,871 | $0.00 Strike: $1.18 | $0.00 |
DisclosureSEC source: 0001878313-26-000099 · form4.xml · derivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 38,871 Underlying: Common Stock · 38,871 shares Expires 2036-09-30 F1 · derivative.exercise_date: The stock options, granted on September 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. F2 · ownership.direct: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| September 30, 2026 Filed Oct 3, 2026 00:18 UTC |
Luput CristianDirector
|
GrantStock Options · Derivative | 33,536 | $0.00 Strike: $1.18 | $0.00 |
DisclosureSEC source: 0001878313-26-000098 · form4.xml · derivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 33,536 Underlying: Common Stock · 33,536 shares Expires 2036-09-30 F1 · derivative.exercise_date: The stock options, granted on September 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| September 30, 2026 Filed Oct 3, 2026 00:20 UTC |
Theagene Jean-ManasseDirector
|
GrantStock Options · Derivative | 32,012 | $0.00 Strike: $1.18 | $0.00 |
DisclosureSEC source: 0001878313-26-000100 · form4.xml · derivative · entry 1 Theagene Jean-Manasse · CIK 0001969857 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 32,012 Underlying: Common Stock · 32,012 shares Expires 2036-09-30 F1 · derivative.exercise_date: The stock options, granted on September 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| September 14, 2026 Filed Sep 15, 2026 10:33 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 73,000 | $1.37 | $100,010.00 |
DisclosureSEC source: 0001878313-26-000087 · form4.xml · nonDerivative · entry 1 Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,049,121 Read SEC document |
| September 10, 2026 Filed Sep 14, 2026 13:03 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 37,595 | $1.32 | $49,516.37 |
DisclosureSEC source: 0001878313-26-000084 · form4.xml · nonDerivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 773,296 Read SEC document |
| August 28, 2026 Filed Sep 1, 2026 20:16 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 46,620 | $1.35 | $62,937.00 |
DisclosureSEC source: 0001878313-26-000082 · form4.xml · nonDerivative · entry 3 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 735,701 Read SEC document |
| August 27, 2026 Filed Sep 1, 2026 20:16 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 78,239 | $1.39 | $108,752.21 |
DisclosureSEC source: 0001878313-26-000082 · form4.xml · nonDerivative · entry 2 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 689,081 Read SEC document |
| August 26, 2026 Filed Sep 1, 2026 20:16 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 8,931 | $1.39 | $12,414.09 |
DisclosureSEC source: 0001878313-26-000082 · form4.xml · nonDerivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 610,842 Read SEC document |
| August 24, 2026 Filed Aug 26, 2026 11:56 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 1,794 | $1.33 | $2,386.02 |
DisclosureSEC source: 0001878313-26-000079 · form4.xml · nonDerivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 601,911 Read SEC document |
| August 20, 2026 Filed Aug 24, 2026 20:09 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 11,899 | $1.37 | $16,301.63 |
DisclosureSEC source: 0001878313-26-000077 · form4.xml · nonDerivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 600,117 Read SEC document |
| June 30, 2026 Filed Jul 2, 2026 20:14 UTC |
Guerrero RamiroDirector
|
GrantStock Options · Derivative | 26,355 | $0.00 Strike: $1.44 | $0.00 |
DisclosureSEC source: 0001878313-26-000073 · form4.xml · derivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,355 Underlying: Common Stock · 26,355 shares Expires 2036-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| June 30, 2026 Filed Jul 2, 2026 20:13 UTC |
Louie Ngar YeeDirector
|
GrantStock Options · Derivative | 32,630 | $0.00 Strike: $1.44 | $0.00 |
DisclosureSEC source: 0001878313-26-000072 · form4.xml · derivative · entry 1 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 32,630 Underlying: Common Stock · 32,630 shares Expires 2036-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| June 30, 2026 Filed Jul 2, 2026 20:15 UTC |
CHAOUKI STEVEN MDirector
|
GrantStock Options · Derivative | 26,982 | $0.00 Strike: $1.44 | $0.00 |
DisclosureSEC source: 0001878313-26-000074 · form4.xml · derivative · entry 1 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,982 Underlying: Common Stock · 26,982 shares Expires 2036-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| June 30, 2026 Filed Jul 2, 2026 20:11 UTC |
Luput CristianDirector
|
GrantStock Options · Derivative | 27,610 | $0.00 Strike: $1.44 | $0.00 |
DisclosureSEC source: 0001878313-26-000071 · form4.xml · derivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,610 Underlying: Common Stock · 27,610 shares Expires 2036-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| June 30, 2026 Filed Jul 2, 2026 20:10 UTC |
Smith StanDirector
|
GrantStock Options · Derivative | 32,003 | $0.00 Strike: $1.44 | $0.00 |
DisclosureSEC source: 0001878313-26-000070 · form4.xml · derivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 32,003 Underlying: Common Stock · 32,003 shares Expires 2036-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| June 30, 2026 Filed Jul 2, 2026 20:09 UTC |
Theagene Jean-ManasseDirector
|
GrantStock Options · Derivative | 26,355 | $0.00 Strike: $1.44 | $0.00 |
DisclosureSEC source: 0001878313-26-000069 · form4.xml · derivative · entry 1 Theagene Jean-Manasse · CIK 0001969857 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,355 Underlying: Common Stock · 26,355 shares Expires 2036-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| June 01, 2026 Filed Jun 2, 2026 13:02 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 72,700 | $1.39 | $100,885.79 |
DisclosureSEC source: 0001878313-26-000062 · form4.xml · nonDerivative · entry 1 Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 976,121 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.3634 to $1.4150, inclusive. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, to any security holder of the issuer, or to the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above. Read SEC document |
| June 01, 2026 Filed Jun 2, 2026 13:01 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 75,000 | $1.34 | $100,200.00 |
DisclosureSEC source: 0001878313-26-000061 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,519,178 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.32 to $1.40, inclusive. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, to any security holder of the issuer, or to the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above. F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| June 01, 2026 Filed Jun 2, 2026 13:00 UTC |
Gryaznov SergeiChief Scientific Officer
|
PurchaseCommon Stock | 2,000 | $1.35 | $2,690.00 |
DisclosureSEC source: 0001878313-26-000060 · form4.xml · nonDerivative · entry 1 Gryaznov Sergei · CIK 0001913228 · Chief Scientific Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 46,511 Read SEC document |
| May 29, 2026 Filed Jun 1, 2026 12:54 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
GrantStock Options · Derivative | 800,000 | $0.00 Strike: $1.39 | $0.00 |
DisclosureSEC source: 0001878313-26-000053 · form4.xml · derivative · entry 1 Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 800,000 Underlying: Common Stock · 800,000 shares Expires 2036-05-29 F1 · derivative.exercise_date: The stock options, granted on May 29, 2026 pursuant to MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest on a 4-year vesting schedule, with 25% of the options to vest on the first anniversary date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| May 29, 2026 Filed Jun 1, 2026 12:51 UTC |
Gryaznov SergeiChief Scientific Officer
|
GrantStock Options · Derivative | 400,000 | $0.00 Strike: $1.39 | $0.00 |
DisclosureSEC source: 0001878313-26-000051 · form4.xml · derivative · entry 1 Gryaznov Sergei · CIK 0001913228 · Chief Scientific Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 400,000 Underlying: Common Stock · 400,000 shares Expires 2036-05-29 F1 · derivative.exercise_date: The stock options, granted on May 29, 2026 pursuant to MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest on a 4-year vesting schedule, with 25% of the options to vest on the first anniversary date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| May 29, 2026 Filed Jun 1, 2026 12:49 UTC |
Himmelreich Jeffrey CHead of Finance
|
GrantStock Options · Derivative | 60,000 | $0.00 Strike: $1.39 | $0.00 |
DisclosureSEC source: 0001878313-26-000049 · form4.xml · derivative · entry 1 Himmelreich Jeffrey C · CIK 0002001189 · Head of Finance 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 60,000 Underlying: Common Stock · 60,000 shares Expires 2036-05-29 F1 · derivative.exercise_date: The stock options, granted on May 29, 2026 pursuant to MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest on a 4-year vesting schedule, with 25% of the options to vest on the first anniversary date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| April 10, 2026 Filed Apr 14, 2026 12:44 UTC |
Gryaznov SergeiChief Scientific Officer
|
GrantStock Options · Derivative | 400,000 | $0.00 Strike: $1.28 | $0.00 |
DisclosureSEC source: 0001878313-26-000046 · form4.xml · derivative · entry 1 Gryaznov Sergei · CIK 0001913228 · Chief Scientific Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 400,000 Underlying: Common Stock · 400,000 shares Expires 2036-04-10 F1 · derivative.exercise_date: The stock options, granted on April 10, 2026 pursuant to MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest on a 4-year vesting schedule, with 25% of the options to vest on the first anniversary date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| April 10, 2026 Filed Apr 14, 2026 12:45 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
GrantStock Options · Derivative | 800,000 | $0.00 Strike: $1.28 | $0.00 |
DisclosureSEC source: 0001878313-26-000047 · form4.xml · derivative · entry 1 Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 800,000 Underlying: Common Stock · 800,000 shares Expires 2036-04-10 F1 · derivative.exercise_date: The stock options, granted on April 10, 2026 pursuant to MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest on a 4-year vesting schedule, with 25% of the options to vest on the first anniversary date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| April 10, 2026 Filed Apr 14, 2026 12:42 UTC |
Himmelreich Jeffrey CHead of Finance
|
GrantStock Options · Derivative | 30,000 | $0.00 Strike: $1.28 | $0.00 |
DisclosureSEC source: 0001878313-26-000044 · form4.xml · derivative · entry 1 Himmelreich Jeffrey C · CIK 0002001189 · Head of Finance 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,000 Underlying: Common Stock · 30,000 shares Expires 2036-04-10 F1 · derivative.exercise_date: The stock options, granted on April 10, 2026 pursuant to MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest on a 4-year vesting schedule, with 25% of the options to vest on the first anniversary date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| March 31, 2026 Filed Apr 2, 2026 20:55 UTC |
Guerrero RamiroDirector
|
GrantStock Options · Derivative | 27,258 | $0.00 Strike: $1.40 | $0.00 |
DisclosureSEC source: 0001878313-26-000037 · form4.xml · derivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,258 Underlying: Common Stock · 27,258 shares Expires 2036-03-31 F1 · derivative.exercise_date: The stock options, granted on March 31, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| March 31, 2026 Filed Apr 2, 2026 20:56 UTC |
CHAOUKI STEVEN MDirector
|
GrantStock Options · Derivative | 27,907 | $0.00 Strike: $1.40 | $0.00 |
DisclosureSEC source: 0001878313-26-000039 · form4.xml · derivative · entry 1 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,907 Underlying: Common Stock · 27,907 shares Expires 2036-03-31 F1 · derivative.exercise_date: The stock options, granted on March 31, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| March 31, 2026 Filed Apr 2, 2026 20:53 UTC |
Louie Ngar YeeDirector
|
GrantStock Options · Derivative | 33,748 | $0.00 Strike: $1.40 | $0.00 |
DisclosureSEC source: 0001878313-26-000035 · form4.xml · derivative · entry 1 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 33,748 Underlying: Common Stock · 33,748 shares Expires 2036-03-31 F1 · derivative.exercise_date: The stock options, granted on March 31, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| March 31, 2026 Filed Apr 2, 2026 20:51 UTC |
Luput CristianDirector
|
GrantStock Options · Derivative | 28,556 | $0.00 Strike: $1.40 | $0.00 |
DisclosureSEC source: 0001878313-26-000033 · form4.xml · derivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 28,556 Underlying: Common Stock · 28,556 shares Expires 2036-03-31 F1 · derivative.exercise_date: The stock options, granted on March 31, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| March 31, 2026 Filed Apr 2, 2026 20:50 UTC |
Theagene Jean-ManasseDirector
|
GrantStock Options · Derivative | 27,258 | $0.00 Strike: $1.40 | $0.00 |
DisclosureSEC source: 0001878313-26-000031 · form4.xml · derivative · entry 1 Theagene Jean-Manasse · CIK 0001969857 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,258 Underlying: Common Stock · 27,258 shares Expires 2036-03-31 F1 · derivative.exercise_date: The stock options, granted on March 31, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| March 31, 2026 Filed Apr 2, 2026 20:48 UTC |
Smith StanDirector
|
GrantStock Options · Derivative | 33,099 | $0.00 Strike: $1.40 | $0.00 |
DisclosureSEC source: 0001878313-26-000029 · form4.xml · derivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 33,099 Underlying: Common Stock · 33,099 shares Expires 2036-03-31 F1 · derivative.exercise_date: The stock options, granted on March 31, 2026 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. F2 · ownership.direct: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 13:44 UTC |
Theagene Jean-ManasseDirector
|
GrantOptions · Derivative | 24,060 | $0.00 Strike: $1.53 | $0.00 |
DisclosureSEC source: 0001878313-26-000018 · form4.xml · derivative · entry 1 Theagene Jean-Manasse · CIK 0001969857 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,060 Underlying: Common Stock · 24,060 shares Expires 2035-12-31 F1 · derivative.exercise_date: The stock options, granted on December 31, 2025 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 13:42 UTC |
Smith StanDirector
|
GrantOptions · Derivative | 29,216 | $0.00 Strike: $1.53 | $0.00 |
DisclosureSEC source: 0001878313-26-000016 · form4.xml · derivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 29,216 Underlying: Common Stock · 29,216 shares Expires 2035-12-31 F1 · derivative.exercise_date: The stock options, granted on December 31, 2025 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. F2 · ownership.direct: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 13:41 UTC |
Luput CristianDirector
|
GrantOptions · Derivative | 25,206 | $0.00 Strike: $1.53 | $0.00 |
DisclosureSEC source: 0001878313-26-000014 · form4.xml · derivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,206 Underlying: Common Stock · 25,206 shares Expires 2035-12-31 F1 · derivative.exercise_date: The stock options, granted on December 31, 2025 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 13:39 UTC |
Louie Ngar YeeDirector
|
GrantOptions · Derivative | 29,789 | $0.00 Strike: $1.53 | $0.00 |
DisclosureSEC source: 0001878313-26-000012 · form4.xml · derivative · entry 1 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 29,789 Underlying: Common Stock · 29,789 shares Expires 2035-12-31 F1 · derivative.exercise_date: The stock options, granted on December 31, 2025 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 13:38 UTC |
Guerrero RamiroDirector
|
GrantOptions · Derivative | 24,060 | $0.00 Strike: $1.53 | $0.00 |
DisclosureSEC source: 0001878313-26-000010 · form4.xml · derivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,060 Underlying: Common Stock · 24,060 shares Expires 2035-12-31 F1 · derivative.exercise_date: The stock options, granted on December 31, 2025 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| December 31, 2025 Filed Jan 5, 2026 13:36 UTC |
CHAOUKI STEVEN MDirector
|
GrantOptions · Derivative | 24,633 | $0.00 Strike: $1.53 | $0.00 |
DisclosureSEC source: 0001878313-26-000008 · form4.xml · derivative · entry 1 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,633 Underlying: Common Stock · 24,633 shares Expires 2035-12-31 F1 · derivative.exercise_date: The stock options, granted on December 31, 2025 pursuant to the MAIA Biotechnology, Inc's 2021 Equity Incentive Plan, representing the right to buy shares of common stock, vest 100% on the date of the grant and are exercisable beginning as of that date. Read SEC document |
| December 22, 2025 Filed Dec 23, 2025 13:18 UTC |
Smith StanDirector
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PurchaseStock Options · Derivative | 57,189 | $1.36 Strike: $1.36 | $77,777.04 |
DisclosureSEC source: 0001878313-25-000073 · form4.xml · derivative · entry 5 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 57,189 Underlying: Common Stock · 57,189 shares Expires 2028-12-22 F6 · shares: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options under the Issuer's 2021 Equity Incentive Plan on December 22, 2025. The options are exercisable beginning on the sixth month anniversary of the issuance date and expire 3-years after the initial issuance date. F7 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| December 22, 2025 Filed Dec 23, 2025 13:18 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 57,189 | $1.22 | $69,999.34 |
DisclosureSEC source: 0001878313-25-000073 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,421,478 F1 · shares: The common stock was purchased pursuant to a Securities Purchase Agreement and were issued under the Issuer's 2021 Equity Incentive Plan on December 22, 2025. F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| December 22, 2025 Filed Dec 23, 2025 13:16 UTC |
CHAOUKI STEVEN MDirector
|
PurchaseStock Options · Derivative | 40,849 | $1.36 Strike: $1.36 | $55,554.64 |
DisclosureSEC source: 0001878313-25-000071 · form4.xml · derivative · entry 2 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 40,849 Underlying: Common Stock · 40,849 shares Expires 2028-12-22 F2 · shares: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options under the Issuer's 2021 Equity Incentive Plan on December 22, 2025. The options are exercisable beginning on the six month anniversary of the issuance date and expire 3-years after the initial issuance date. Read SEC document |
| December 22, 2025 Filed Dec 23, 2025 13:16 UTC |
CHAOUKI STEVEN MDirector
|
PurchaseCommon Stock | 40,849 | $1.22 | $49,999.18 |
DisclosureSEC source: 0001878313-25-000071 · form4.xml · nonDerivative · entry 1 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 151,873 F1 · shares: The common stock was purchased pursuant to a Securities Purchase Agreement and were issued under the Issuer's 2021 Equity Incentive Plan on December 22, 2025. Read SEC document |
| December 22, 2025 Filed Dec 23, 2025 13:14 UTC |
Louie Ngar YeeDirector
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PurchaseStock Options · Derivative | 81,699 | $1.36 Strike: $1.36 | $111,110.64 |
DisclosureSEC source: 0001878313-25-000069 · form4.xml · derivative · entry 2 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 81,699 Underlying: Common Stock · 81,699 shares Expires 2028-12-22 F2 · shares: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options under the Issuer's 2021 Equity Incentive Plan on December 22, 2025. The options are exercisable beginning on the six month anniversary of the issuance date and expire 3-years after the initial issuance date. Read SEC document |
| December 22, 2025 Filed Dec 23, 2025 13:14 UTC |
Louie Ngar YeeDirector
|
PurchaseCommon Stock | 81,699 | $1.22 | $99,999.58 |
DisclosureSEC source: 0001878313-25-000069 · form4.xml · nonDerivative · entry 1 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,248,888 F1 · shares: The common stock was purchased pursuant to a Securities Purchase Agreement and were issued under the Issuer's 2021 Equity Incentive Plan on December 22, 2025 Read SEC document |
| December 05, 2025 Filed Dec 9, 2025 21:51 UTC |
Smith StanDirector
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PurchaseCommon Stock | 4,580 | $1.20 | $5,496.00 |
DisclosureSEC source: 0001878313-25-000063 · form4.xml · nonDerivative · entry 3 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 4,580 F3 · ownership.nature: These securities are beneficially owned by Mr. Smith through the Blake Sarai Teitei Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Read SEC document |
| December 05, 2025 Filed Dec 9, 2025 21:51 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 4,580 | $1.19 | $5,450.20 |
DisclosureSEC source: 0001878313-25-000063 · form4.xml · nonDerivative · entry 2 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 4,580 F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through the Gage Quentin Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Read SEC document |
| December 05, 2025 Filed Dec 9, 2025 21:51 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 4,580 | $1.20 | $5,494.63 |
DisclosureSEC source: 0001878313-25-000063 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 4,580 F1 · ownership.nature: These securities are beneficially owned by Mr. Smith through the Travis Deo Zai Zai Smith IL Unif Trns Min Act. They are beneficially owned by Mr. Smith's family member. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Read SEC document |
| November 28, 2025 Filed Dec 1, 2025 11:20 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 50,000 | $1.14 | $56,830.00 |
DisclosureSEC source: 0001878313-25-000056 · form4.xml · nonDerivative · entry 1 Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 881,421 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.1283 to $1.1416, inclusive. The Reporting Person undertakes to provide to the staff of the Securities and Exchange Commission, to any security holder of the issuer, or to the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.