MAIA Biotechnology (MAIA) stock: insider trades, news & valuation
Health Care · Strong buyingShare price and insider trades
MAIA Biotechnology insider trading at a glance (Oct 9, 2026): in the past 12 months, 6 insiders bought $1.0M and 0 sold $0 of MAIA stock on the open market, including a cluster buy that began Dec 22, 2025.
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MAIA insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $352K | 7 | — | 0 |
| Q2 2026 | $204K | 3 | — | 0 |
| Q1 2026 | — | 0 | — | 0 |
| Q4 2025 | $545K | 21 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 6 MAIA Biotechnology, Inc. insiders reported open-market purchases totaling $1.0M, while 0 insiders reported sales totaling $0. The most recent cluster buy began on Dec 22, 2025, when 3 insiders bought a combined $219K. Among insiders with enough purchase history to measure, Vlad Vitoc (CEO) has the highest Insider Score at 99.
MAIA stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 15SEC | Vlad VitocCEO | Buy | 73,0001,049,121 held (+7%) | $1.37 | $100K | -10.9% | 99 |
| Sep 14SEC | Ramiro GuerreroDirector | Buy | 37,595773,296 held (+5%) | $1.32 | $50K | -7.6% | — |
| Sep 1SEC | Ramiro GuerreroDirector | Buy | 78,239689,081 held (+13%) | $1.39 | $109K | -12.2% | — |
| Sep 1SEC | Ramiro GuerreroDirector | Buy | 46,620735,701 held (+7%) | $1.35 | $63K | -9.6% | — |
| Sep 1SEC | Ramiro GuerreroDirector | Buy | 8,931610,842 held (+1%) | $1.39 | $12K | -12.2% | — |
| Aug 26SEC | Ramiro GuerreroDirector | Buy | 1,794601,911 held (+0%) | $1.33 | $2K | -8.3% | — |
| Aug 24SEC | Ramiro GuerreroDirector | Buy | 11,899600,117 held (+2%) | $1.37 | $16K | -10.9% | — |
| Jun 2SEC | Vlad VitocCEO | Buy | 72,700976,121 held (+8%) | $1.39 | $101K | -12.2% | 99 |
| Jun 2SEC | Stan SmithDirector | Buy | 75,0001,519,178 held (+5%) | $1.34 | $100K | -9.0% | 98 |
| Jun 2SEC | Sergei GryaznovChief Scientific Officer | Buy | 2,00046,511 held (+4%) | $1.35 | $3K | -9.6% | — |
| Jan 12SEC | Stan SmithDirector | Buy | 2,7001,424,178 held (+0%) | $3.69 | $10K | -66.9% | 98 |
| Dec 23SEC | Ngar Yee LouieDirector | Buy | 81,6991,248,888 held (+7%) | $1.22 | $100K | +0.0% | — |
| Dec 23SEC | Stan SmithDirector | Buy | 57,1891,421,478 held (+4%) | $1.22 | $70K | +0.0% | 98 |
| Dec 23SEC | Steven M ChaoukiDirector | Buy | 40,849151,873 held (+37%) | $1.22 | $50K | +0.0% | — |
| Dec 9SEC | Stan SmithDirector | Buy | 4,580new position | $1.20 | $5K | +1.7% | 98 |
| Dec 9SEC | Stan SmithDirector | Buy | 4,580new position | $1.20 | $5K | +1.7% | 98 |
| Dec 9SEC | Stan SmithDirector | Buy | 4,580new position | $1.19 | $5K | +2.5% | 98 |
| Dec 4SEC | Vlad VitocCEO | Buy | 50,000903,421 held (+6%) | $1.14 | $57K | +7.0% | 99 |
| Dec 4SEC | Vlad VitocCEO | Buy | 22,000853,421 held (+3%) | $1.05 | $23K | +16.2% | 99 |
| Dec 4SEC | Vlad VitocCEO | Buy | 10,500831,421 held (+1%) | $0.97 | $10K | +25.8% | 99 |
| Dec 1SEC | Vlad VitocCEO | Buy | 50,000881,421 held (+6%) | $1.14 | $57K | +7.0% | 99 |
| Dec 1SEC | Vlad VitocCEO | Buy | 22,000853,421 held (+3%) | $1.05 | $23K | +16.2% | 99 |
| Dec 1SEC | Cristian LuputDirector | Buy | 20,000419,483 held (+5%) | $1.08 | $22K | +13.0% | — |
| Dec 1SEC | Cristian LuputDirector | Buy | 18,145437,628 held (+4%) | $1.11 | $20K | +9.9% | — |
| Dec 1SEC | Stan SmithDirector | Buy | 15,0001,364,289 held (+1%) | $1.04 | $16K | +17.3% | 98 |
| Nov 28SEC | Vlad VitocCEO | Buy | 10,500831,421 held (+1%) | $0.97 | $10K | +25.8% | 99 |
| Nov 28SEC | Cristian LuputDirector | Buy | 10,000399,483 held (+3%) | $0.98 | $10K | +24.5% | — |
| Nov 26SEC | Stan SmithDirector | Buy | 15,0001,349,289 held (+1%) | $0.98 | $15K | +24.5% | 98 |
| Nov 26SEC | Stan SmithDirector | Buy | 10,0001,334,289 held (+1%) | $0.99 | $10K | +23.2% | 98 |
| Nov 25SEC | Vlad VitocCEO | Buy | 10,000820,921 held (+1%) | $0.99 | $10K | +23.2% | 99 |
| Nov 25SEC | Vlad VitocCEO | Buy | 1,800810,921 held (+0%) | $0.92 | $2K | +32.6% | 99 |
| Oct 2SEC | Stan SmithDirector | Buy | 19,2301,324,289 held (+1%) | $1.30 | $25K | -6.2% | 98 |
Insiders at MAIA Biotechnology, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Vlad VitocCEO | $393K | — | Sep 15, 2026 | 99 |
| Stan SmithDirector | $262K | — | Jun 2, 2026 | 98 |
| Ramiro GuerreroDirector | $252K | — | Sep 14, 2026 | — |
| Ngar Yee LouieDirector | $100K | — | Dec 23, 2025 | — |
| Cristian LuputDirector | $52K | — | Dec 1, 2025 | — |
| Steven M ChaoukiDirector | $50K | — | Dec 23, 2025 | — |
| Sergei GryaznovChief Scientific Officer | $3K | — | Jun 2, 2026 | — |
Insider activity at other Health Care companies
Same sector, ranked by insider buying in the last 90 days.
MAIA stock: common questions
Are MAIA Biotechnology, Inc. insiders buying MAIA stock?
In the past 12 months, 6 insiders reported open-market purchases of MAIA worth $1.0M. The latest was CEO Vlad Vitoc bought $100K of MAIA at $1.37.
Are MAIA Biotechnology, Inc. insiders selling MAIA stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is MAIA's 52-week range?
Over the past year MAIA has traded between $0.87 and $2.95. It last closed at $1.22 on Oct 9, 2026.