Director Guerrero Ramiro made one open market purchase of MAIA Biotechnology ($MAIA) shares worth $30,000 in the last 365 days, with the most recent buy on May 8, 2025. His activity ranks 3,430th out of 4,983 insiders in our database by purchase amount, well below the average of $1.5 million across 3.3 transactions. He reported no open market sales during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 27258 | $0.00 | 27,258.0000 | 37,032,307 | 9999.99% | 0.07% |
| Dec. 31, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Options | 24060 | $0.00 | 24,060.0000 | 37,032,307 | 9999.99% | 0.06% |
| Oct. 2, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 20459 | $0.00 | 20,459.0000 | 29,587,314 | 9999.99% | 0.07% |
| June 30, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 20380 | $0.00 | 20,380.0000 | 29,587,314 | 9999.99% | 0.07% |
| May 8, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Common Stock | 20000 | $1.50 | 588,218.0000 | 29,587,314 | 3.52% | 0.07% |
| May 8, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Warrants | 20000 | $2.05 | 20,000.0000 | 29,587,314 | 9999.99% | 0.07% |
| April 4, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 20291 | $0.00 | 20,291.0000 | 29,587,314 | 9999.99% | 0.07% |
| Feb. 24, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Warrants | 73333 | $1.87 | 73,333.0000 | 0 | 9999.99% | 0.00% |
| March 3, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Common Stock | 33333 | $1.50 | 568,218.0000 | 0 | 6.23% | 0.00% |
| March 3, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Warrants | 33333 | $1.85 | 33,333.0000 | 0 | 9999.99% | 0.00% |
| Feb. 24, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Common Stock | 73333 | $1.50 | 534,885.0400 | 0 | 15.89% | 0.00% |
| Feb. 24, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Warrants | 73333 | $1.87 | 73,333.0000 | 0 | 9999.99% | 0.00% |
| Feb. 24, 2025 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Common Stock | 73333 | $1.50 | 534,885.0000 | 0 | 15.89% | 0.00% |
| Dec. 31, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 10225 | $0.00 | 10,225.0000 | 0 | 9999.99% | 0.00% |
| Dec. 13, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Common Stock | 53418 | $1.87 | 514,970.0000 | 0 | 11.57% | 0.00% |
| Dec. 13, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Warrants | 53418 | $2.08 | 53,418.0000 | 0 | 9999.99% | 0.00% |
| Nov. 1, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Common Stock | 88534 | $2.51 | 408,134.0400 | 0 | 27.70% | 0.00% |
| Nov. 1, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Warrants | 88534 | $2.26 | 88,534.0000 | 0 | 9999.99% | 0.00% |
| Sept. 30, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 7232 | $0.00 | 7,232.0000 | 0 | 9999.99% | 0.00% |
| June 30, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 5728 | $0.00 | 5,728.0000 | 0 | 9999.99% | 0.00% |
| March 31, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 9193 | $0.00 | 9,193.0000 | 0 | 9999.99% | 0.00% |
| March 14, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Warrants | 6928 | $1.30 | 6,928.0000 | 0 | 9999.99% | 0.00% |
| March 14, 2024 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | P | Common Stock | 6928 | $1.17 | 319,600.0400 | 0 | 2.22% | 0.00% |
| Dec. 31, 2023 | MAIA Biotechnology, Inc. | $MAIA | Guerrero Ramiro | Director | A | Stock Options | 15418 | $0.00 | 15,418.0000 | 0 | 9999.99% | 0.00% |