Insider Tracker SEC Form 4 insider trades
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MAIA

MAIA Biotechnology, Inc.

AI summary Cluster of open-market stock purchases by MAIA Biotechnology insiders.

66
Insider Score Band 60–79
Research score
61
AI adjustment
+5

Research score, not a recommendation.

Total bought$204.3K3 Form 4 purchases
Distinct insiders3open-market buyers
Lead insiderVitoc VladCEO
Cluster window2026-06-01single day · active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders
37%
Seniority executive rank of buyers (CEO/CFO/Director)
92%
Commitment purchase size relative to company & holdings
63%
Context buying into stock weakness signals conviction
50%
Timing coordinated purchases within a tight window
100%
Routine-purchase discount × 1.00
Company-type / offering discount × 1.00
Net insider selling penalty − 0

Why are they buying?

AI · discretionary · catalyst none · documented

The insiders made open-market purchases without an explicitly stated reason or a documented recent catalyst in the filings or news. The timing follows the company's recent periodic filings and reports.

Chief Executive Officer Vlad Vitoc, Director Stan Smith, and other executive personnel purchased shares on June 1, 2026, through open-market transactions across multiple price ranges.

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

3 Form 4 trades · 3 insiders Sign in to download CSV
Purchases in this cluster, grouped by insider, largest first
Date Insider Role Shares Price Value Filing
2026-06-01 Vitoc Vlad 14 purchases with a 63-day result · median -32.6% CEO 72,700 $1.39 $101.1K SEC filing for Vitoc Vlad (opens in a new tab)
2026-06-01 Smith Stan 27 purchases with a 63-day result · median -20.4% Director 75,000 $1.34 $100.5K SEC filing for Smith Stan (opens in a new tab)
2026-06-01 Gryaznov Sergei history of Gryaznov Sergei's purchases Other C-suite 2,000 $1.35 $2.7K SEC filing for Gryaznov Sergei (opens in a new tab)
Total $204.3K

Other buying runs at MAIA

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days +0.2%63 days -8.1%126 days –

Other insider buying runs at this company, newest first, with the return against the benchmark that followed
Window Insiders Total Score 21 days63 days126 days Status
2025-11-21 → 2025-12-22 5 $423.8K 69 +17.4%+28.7%+1.3% closed
2024-11-01 4 $584.3K 56 -41.4%-38.9%-22.9% closed
2024-03-14 5 $529.7K 60 +34.9%+149.4%+84.7% closed
2022-12-20 → 2023-05-18 6 $801.8K 53 +1.4%-11.3%-50.0% closed
2022-07-28 → 2022-09-19 10 $1.5M 60 -27.7%-30.4%-25.8% closed