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 |
|---|---|---|---|---|---|---|
| November 28, 2025 Filed Dec 1, 2025 11:18 UTC |
Luput CristianDirector
|
PurchaseCommon Stock | 18,145 | $1.11 | $20,229.86 |
DisclosureSEC source: 0001878313-25-000054 · form4.xml · nonDerivative · entry 2 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 437,628 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.1147 to $1.1192, 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 |
| November 28, 2025 Filed Dec 4, 2025 12:30 UTC Amendment |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 50,000 | $1.14 | $56,830.00 |
DisclosureSEC source: 0001878313-25-000059 · form4a.xml · nonDerivative · entry 2 Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 903,421 F2 · 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. F3 · balance_after: The original Form 4 filed on December 1, 2025 had the incorrect total share balance owned by Vlad Vitoc. This Amended Form 4 is now reflecting the correct share balance owned. Read SEC document |
| November 26, 2025 Filed Dec 1, 2025 11:20 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 22,000 | $1.05 | $23,018.60 |
DisclosureSEC source: 0001878313-25-000056 · form4.xml · nonDerivative · entry 2 Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 853,421 F2 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.0145 to $1.0587, 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 |
| November 26, 2025 Filed Dec 1, 2025 11:18 UTC |
Luput CristianDirector
|
PurchaseCommon Stock | 20,000 | $1.08 | $21,616.00 |
DisclosureSEC source: 0001878313-25-000054 · form4.xml · nonDerivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 419,483 Read SEC document |
| November 26, 2025 Filed Dec 1, 2025 11:14 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 15,000 | $1.04 | $15,582.00 |
DisclosureSEC source: 0001878313-25-000052 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,364,289 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.03 to $1.051, 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 |
| November 26, 2025 Filed Dec 4, 2025 12:30 UTC Amendment |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 22,000 | $1.05 | $23,018.60 |
DisclosureSEC source: 0001878313-25-000059 · form4a.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: 853,421 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $1.0145 to $1.0587, 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 |
| November 25, 2025 Filed Nov 26, 2025 21:43 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 15,000 | $0.98 | $14,700.00 |
DisclosureSEC source: 0001878313-25-000045 · form4.xml · nonDerivative · entry 2 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,349,289 F3 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $0.9550 to $1.05, 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 |
| November 25, 2025 Filed Nov 28, 2025 11:48 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 10,500 | $0.97 | $10,144.05 |
DisclosureSEC source: 0001878313-25-000047 · 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: 831,421 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $0.9606 to $0.9745, 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 |
| November 25, 2025 Filed Nov 28, 2025 11:52 UTC |
Luput CristianDirector
|
PurchaseCommon Stock | 10,000 | $0.98 | $9,785.00 |
DisclosureSEC source: 0001878313-25-000050 · form4.xml · nonDerivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 399,483 Read SEC document |
| November 25, 2025 Filed Dec 4, 2025 12:31 UTC Amendment |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 10,500 | $0.97 | $10,144.05 |
DisclosureSEC source: 0001878313-25-000060 · form4a.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: 831,421 Read SEC document |
| November 24, 2025 Filed Nov 25, 2025 21:15 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 10,000 | $0.99 | $9,891.00 |
DisclosureSEC source: 0001878313-25-000040 · form4.xml · nonDerivative · entry 2 Vitoc Vlad · CIK 0001913257 · Director · Chief Executive Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 820,921 Read SEC document |
| November 24, 2025 Filed Nov 26, 2025 21:43 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 10,000 | $0.99 | $9,900.00 |
DisclosureSEC source: 0001878313-25-000045 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,334,289 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $0.9675 to $0.9899, 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 |
| November 21, 2025 Filed Nov 25, 2025 21:15 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
PurchaseCommon Stock | 1,800 | $0.92 | $1,656.00 |
DisclosureSEC source: 0001878313-25-000040 · 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: 810,921 F1 · price: The price reported is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $0.9128 to $0.9235, 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 |
| October 02, 2025 Filed Oct 6, 2025 20:33 UTC |
Smith StanDirector
|
GrantStock Options · Derivative | 24,844 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001878313-25-000037 · form4.xml · derivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 24,844 Underlying: Common Stock · 24,844 shares Expires 2035-10-02 F1 · derivative.exercise_date: The stock options, granted on October 2, 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 |
| October 02, 2025 Filed Oct 6, 2025 20:29 UTC |
Theagene Jean-ManasseDirector
|
GrantStock Options · Derivative | 20,459 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001878313-25-000035 · form4.xml · derivative · entry 1 Theagene Jean-Manasse · CIK 0001969857 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,459 Underlying: Common Stock · 20,459 shares Expires 2035-10-02 F1 · derivative.exercise_date: The stock options, granted on October 2, 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 |
| October 02, 2025 Filed Oct 6, 2025 20:26 UTC |
Luput CristianDirector
|
GrantStock Options · Derivative | 21,434 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001878313-25-000033 · form4.xml · derivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,434 Underlying: Common Stock · 21,434 shares Expires 2035-10-02 F1 · derivative.exercise_date: The stock options, granted on October 2, 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 |
| October 02, 2025 Filed Oct 6, 2025 20:24 UTC |
Louie Ngar YeeDirector
|
GrantStock Options · Derivative | 25,331 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001878313-25-000031 · form4.xml · derivative · entry 1 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,331 Underlying: Common Stock · 25,331 shares Expires 2035-10-02 F1 · derivative.exercise_date: The stock options, granted on October 2, 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 |
| October 02, 2025 Filed Oct 6, 2025 20:23 UTC |
Guerrero RamiroDirector
|
GrantStock Options · Derivative | 20,459 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001878313-25-000029 · form4.xml · derivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,459 Underlying: Common Stock · 20,459 shares Expires 2035-10-02 F1 · derivative.exercise_date: The stock options, granted on October 2, 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 |
| October 02, 2025 Filed Oct 6, 2025 20:21 UTC |
CHAOUKI STEVEN MDirector
|
GrantStock Options · Derivative | 20,946 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001878313-25-000027 · form4.xml · derivative · entry 1 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,946 Underlying: Common Stock · 20,946 shares Expires 2035-10-02 F1 · derivative.exercise_date: The stock options, granted on October 2, 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 |
| October 01, 2025 Filed Oct 2, 2025 20:51 UTC |
Smith StanDirector
|
PurchaseWarrants · Derivative | 19,230 | $1.57 Strike: $1.57 | $30,191.10 |
DisclosureSEC source: 0001878313-25-000019 · form4.xml · derivative · entry 2 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 19,230 Underlying: Common Stock · 19,230 shares Expires 2028-10-01 F3 · shares: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options under the Issuer's 2021 Equity Incentive Plan on October 1, 2025. The options are exercisable beginning on the six-month anniversary of the issuance date and expire 3-years after the initial issuance date. F4 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| October 01, 2025 Filed Oct 2, 2025 20:51 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 19,230 | $1.30 | $24,999.00 |
DisclosureSEC source: 0001878313-25-000019 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,324,289 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 October 1, 2025 F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| June 30, 2025 Filed Jul 2, 2025 20:17 UTC |
Guerrero RamiroDirector
|
GrantStock Options · Derivative | 20,380 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001127602-25-018658 · form4.xml · derivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,380 Underlying: Common Stock · 20,380 shares Expires 2035-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 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 |
| June 30, 2025 Filed Jul 2, 2025 20:16 UTC |
CHAOUKI STEVEN MDirector
|
GrantStock Options · Derivative | 20,865 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001127602-25-018656 · form4.xml · derivative · entry 1 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,865 Underlying: Common Stock · 20,865 shares Expires 2035-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 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 |
| June 30, 2025 Filed Jul 2, 2025 20:16 UTC |
Louie Ngar YeeDirector
|
GrantStock Options · Derivative | 25,232 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001127602-25-018655 · form4.xml · derivative · entry 1 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,232 Underlying: Common Stock · 25,232 shares Expires 2035-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 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 |
| June 30, 2025 Filed Jul 2, 2025 20:14 UTC |
Smith StanDirector
|
GrantStock Options · Derivative | 24,747 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001127602-25-018653 · form4.xml · derivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 24,747 Underlying: Common Stock · 24,747 shares Expires 2035-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 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 |
| June 30, 2025 Filed Jul 2, 2025 20:13 UTC |
Luput CristianDirector
|
GrantStock Options · Derivative | 21,350 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001127602-25-018651 · form4.xml · derivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,350 Underlying: Common Stock · 21,350 shares Expires 2035-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 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 |
| June 30, 2025 Filed Jul 2, 2025 20:13 UTC |
Theagene Jean-ManasseDirector
|
GrantStock Options · Derivative | 20,380 | $0.00 Strike: $1.80 | $0.00 |
DisclosureSEC source: 0001127602-25-018648 · form4.xml · derivative · entry 1 Theagene Jean-Manasse · CIK 0001969857 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,380 Underlying: Common Stock · 20,380 shares Expires 2035-06-30 F1 · derivative.exercise_date: The stock options, granted on June 30, 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 |
| June 03, 2025 Filed Jun 5, 2025 20:42 UTC |
Smith StanDirector
|
PurchaseWarrants · Derivative | 33,333 | $1.71 Strike: $1.71 | $56,999.43 |
DisclosureSEC source: 0001127602-25-016869 · form4.xml · derivative · entry 2 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 33,333 Underlying: Common Stock · 33,333 shares Expires 2030-06-03 F3 · shares: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options under the Issuer's 2021 Equity Incentive Plan on June 3, 2025. The options are exercisable beginning on the six-month anniversary of the issuance date and expire 5-years after the initial issuance date. F4 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust dated 1993. Read SEC document |
| June 03, 2025 Filed Jun 5, 2025 20:42 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 33,333 | $1.50 | $49,999.50 |
DisclosureSEC source: 0001127602-25-016869 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,305,059 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 June 3, 2025. F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| May 14, 2025 Filed May 16, 2025 20:14 UTC |
Gryaznov SergeiChief Scientific Officer
|
GrantStock Options · Derivative | 200,000 | $0.00 Strike: $1.76 | $0.00 |
DisclosureSEC source: 0001127602-25-014669 · form4.xml · derivative · entry 1 Gryaznov Sergei · CIK 0001913228 · Chief Scientific Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 200,000 Underlying: Common Stock · 200,000 shares Expires 2035-05-14 F1 · derivative.exercise_date: The stock options, granted on May 14, 2025 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 of the date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| May 14, 2025 Filed May 16, 2025 20:15 UTC |
Vitoc VladDirector · Chief Executive Officer · 10% owner
|
GrantStock Options · Derivative | 400,000 | $0.00 Strike: $1.76 | $0.00 |
DisclosureSEC source: 0001127602-25-014670 · 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: 400,000 Underlying: Common Stock · 400,000 shares Expires 2035-05-14 F1 · derivative.exercise_date: The stock options, granted on May 14, 2025 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 of the date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| May 14, 2025 Filed May 16, 2025 20:13 UTC |
Himmelreich Jeffrey CHead of Finance
|
GrantStock Options · Derivative | 40,000 | $0.00 Strike: $1.76 | $0.00 |
DisclosureSEC source: 0001127602-25-014667 · form4.xml · derivative · entry 1 Himmelreich Jeffrey C · CIK 0002001189 · Head of Finance 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 40,000 Underlying: Common Stock · 40,000 shares Expires 2035-05-14 F1 · derivative.exercise_date: The stock options, granted on May 14, 2025 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 of the date of the grant and the remaining options to vest ratably monthly thereafter for 36 months. Read SEC document |
| May 08, 2025 Filed May 12, 2025 20:14 UTC |
Guerrero RamiroDirector
|
PurchaseWarrants · Derivative | 20,000 | $2.05 Strike: $2.05 | $41,000.00 |
DisclosureSEC source: 0001127602-25-013965 · form4.xml · derivative · entry 2 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,000 Underlying: Common Stock · 20,000 shares Expires 2031-05-08 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 May 8, 2025. The options are exercisable beginning on the one-year anniversary of the issuance date and expire 6-years after the initial issuance date. Read SEC document |
| May 08, 2025 Filed May 12, 2025 20:14 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 20,000 | $1.50 | $30,000.00 |
DisclosureSEC source: 0001127602-25-013965 · form4.xml · nonDerivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 588,218 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 May 8, 2025. Read SEC document |
| May 08, 2025 Filed May 12, 2025 20:12 UTC |
Smith StanDirector
|
PurchaseWarrants · Derivative | 66,666 | $2.05 Strike: $2.05 | $136,665.30 |
DisclosureSEC source: 0001127602-25-013963 · form4.xml · derivative · entry 2 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 66,666 Underlying: Common Stock · 66,666 shares Expires 2031-05-08 F3 · shares: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options under the Issuer's 2021 Equity Incentive Plan on May 8, 2025. The options are exercisable beginning on the one-year anniversary of the issuance date and expire 6-years after the initial issuance date. F4 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| May 08, 2025 Filed May 12, 2025 20:12 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 66,666 | $1.50 | $99,999.00 |
DisclosureSEC source: 0001127602-25-013963 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,271,726 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 March 8, 2025. F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| April 04, 2025 Filed Apr 8, 2025 20:49 UTC |
Smith StanDirector
|
GrantStock Options · Derivative | 24,800 | $0.00 Strike: $1.50 | $0.00 |
DisclosureSEC source: 0001127602-25-011819 · form4.xml · derivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 24,800 Underlying: Common Stock · 24,800 shares Expires 2035-04-04 F1 · derivative.exercise_date: The stock options, granted on April 4, 2025 pursuant to 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 benefically owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| April 04, 2025 Filed Apr 8, 2025 20:47 UTC |
CHAOUKI STEVEN MDirector
|
GrantStock Options · Derivative | 20,667 | $0.00 Strike: $1.50 | $0.00 |
DisclosureSEC source: 0001127602-25-011817 · form4.xml · derivative · entry 1 CHAOUKI STEVEN M · CIK 0001776865 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,667 Underlying: Common Stock · 20,667 shares Expires 2035-04-04 F1 · derivative.exercise_date: The stock options, granted on April 4, 2025 pursuant to 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 |
| April 04, 2025 Filed Apr 8, 2025 20:45 UTC |
Guerrero RamiroDirector
|
GrantStock Options · Derivative | 20,291 | $0.00 Strike: $1.50 | $0.00 |
DisclosureSEC source: 0001127602-25-011815 · form4.xml · derivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,291 Underlying: Common Stock · 20,291 shares Expires 2035-04-04 F1 · derivative.exercise_date: The stock options, granted on April 4, 2025 pursuant to 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 |
| April 04, 2025 Filed Apr 8, 2025 20:44 UTC |
Louie Ngar YeeDirector
|
GrantStock Options · Derivative | 26,304 | $0.00 Strike: $1.50 | $0.00 |
DisclosureSEC source: 0001127602-25-011813 · form4.xml · derivative · entry 1 Louie Ngar Yee · CIK 0001913264 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,304 Underlying: Common Stock · 26,304 shares Expires 2035-04-04 F1 · derivative.exercise_date: The stock options, granted on April 4, 2025 pursuant to 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 |
| April 04, 2025 Filed Apr 8, 2025 20:42 UTC |
Luput CristianDirector
|
GrantStock Options · Derivative | 21,042 | $0.00 Strike: $1.50 | $0.00 |
DisclosureSEC source: 0001127602-25-011811 · form4.xml · derivative · entry 1 Luput Cristian · CIK 0001913350 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,042 Underlying: Common Stock · 21,042 shares Expires 2035-04-04 F1 · derivative.exercise_date: The stock options, granted on April 4, 2025 pursuant to 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 |
| April 04, 2025 Filed Apr 8, 2025 20:41 UTC |
Theagene Jean-ManasseDirector
|
GrantStock Options · Derivative | 20,291 | $0.00 Strike: $1.50 | $0.00 |
DisclosureSEC source: 0001127602-25-011809 · form4.xml · derivative · entry 1 Theagene Jean-Manasse · CIK 0001969857 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,291 Underlying: Common Stock · 20,291 shares Expires 2035-04-04 F1 · derivative.exercise_date: The stock options, granted on April 4, 2025 pursuant to 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 03, 2025 Filed Mar 5, 2025 21:42 UTC |
Guerrero RamiroDirector
|
PurchaseWarrants · Derivative | 33,333 | $1.85 Strike: $1.85 | $61,666.05 |
DisclosureSEC source: 0001127602-25-008330 · form4.xml · derivative · entry 2 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 33,333 Underlying: Common Stock · 33,333 shares Expires 2031-03-03 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 March 3, 2025. The options are exercisable beginning on the one-year anniversary of the issuance date and expire 6-years after the initial issuance date. Read SEC document |
| March 03, 2025 Filed Mar 5, 2025 21:42 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 33,333 | $1.50 | $49,999.50 |
DisclosureSEC source: 0001127602-25-008330 · form4.xml · nonDerivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 568,218 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 March 3, 2025. Read SEC document |
| March 03, 2025 Filed Mar 5, 2025 21:40 UTC |
Smith StanDirector
|
PurchaseWarrants · Derivative | 25,000 | $1.85 Strike: $1.85 | $46,250.00 |
DisclosureSEC source: 0001127602-25-008327 · form4.xml · derivative · entry 2 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 25,000 Underlying: Common Stock · 25,000 shares Expires 2031-03-03 F3 · shares: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options under the Issuer's 2021 Equity Incentive Plan on March 3, 2025. The options are exercisable beginning on the one-year anniversary of the issuance date and expire 6-years after the initial issuance date. F4 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| March 03, 2025 Filed Mar 5, 2025 21:40 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 25,000 | $1.50 | $37,500.00 |
DisclosureSEC source: 0001127602-25-008327 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,205,060 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 March 3, 2025. F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| February 24, 2025 Filed Feb 25, 2025 21:11 UTC |
Guerrero RamiroDirector
|
PurchaseWarrants · Derivative | 73,333 | $1.87 Strike: $1.87 | $137,132.71 |
DisclosureSEC source: 0001127602-25-006578 · form4.xml · derivative · entry 2 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 73,333 Underlying: Common Stock · 73,333 shares Expires 2030-08-24 F2 · derivative.exercise_date: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options issued under the Issuer's 2021 Equity Incentive Plan on February 24, 2024. The options are exercisable beginning on the six month anniversary of the issuance date and expire 5-years after the initial exercise date. Read SEC document |
| February 24, 2025 Filed Feb 25, 2025 21:11 UTC |
Guerrero RamiroDirector
|
PurchaseCommon Stock | 73,333 | $1.50 | $109,999.50 |
DisclosureSEC source: 0001127602-25-006578 · form4.xml · nonDerivative · entry 1 Guerrero Ramiro · CIK 0001913253 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 534,885 F1 · shares: The common stock was purchased pursuant to a Securities Purchase Agreement and were isused under the Issuer's 2021 Equity Incentive Plan on February 24, 2024. Read SEC document |
| February 24, 2025 Filed Feb 25, 2025 21:10 UTC |
Smith StanDirector
|
PurchaseWarrants · Derivative | 50,000 | $1.87 Strike: $1.87 | $93,500.00 |
DisclosureSEC source: 0001127602-25-006574 · form4.xml · derivative · entry 2 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 50,000 Underlying: Common Stock · 50,000 shares Expires 2030-08-24 F3 · derivative.exercise_date: These warrants were purchased pursuant to a Securities Purchase Agreement and were deemed options under the Issuer's 2021 Equity Incentive Plan on February 24, 2024. The options are exercisable beginning on the six month anniversary of the issuance date and expire 5-years after the initial exercise date. F4 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. Read SEC document |
| February 24, 2025 Filed Feb 25, 2025 21:10 UTC |
Smith StanDirector
|
PurchaseCommon Stock | 50,000 | $1.50 | $75,000.00 |
DisclosureSEC source: 0001127602-25-006574 · form4.xml · nonDerivative · entry 1 Smith Stan · CIK 0001913199 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · See Footnote Disclosed balance after: 1,180,060 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 February 24, 2024. F2 · ownership.nature: These securities are beneficially owned by Mr. Smith through The Stan V. Smith Trust Dated 1993. 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.