Insider Tracker SEC Form 4 insider trades
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MAIA

MAIA Biotechnology, Inc.

53
Insider Score Band below 60

AI score not needed: the AI review runs from a match score of 55.

Research score, not a recommendation.

Total bought$801.8K79 Form 4 purchases
Distinct insiders6open-market buyers
Lead insiderVitoc VladCEO
Cluster window2022-12-20 → 2023-05-18closed

Market data

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

–

partial data Price history is incomplete; missing inputs count as neutral in the score.

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
100%
Seniority executive rank of buyers (CEO/CFO/Director)
86%
Commitment purchase size relative to company & holdings
76%
Context buying into stock weakness signals conviction
50%
Timing coordinated purchases within a tight window
73%
Routine-purchase discount × 0.73
Company-type / offering discount × 1.00
Net insider selling penalty − 0

Why are they buying?

AI score not needed: the AI review runs only on clusters with a match score of 55 or more. The filings in the table below are the primary evidence.

Stock Price & Insider Purchase History

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

Loading price history…

Transactions

79 Form 4 trades · 6 insiders Sign in to download CSV
Purchases in this cluster, grouped by insider, largest first
Date Insider Role Shares Price Value Flags Filing
2022-12-20 → 2023-04-27 Smith Stan 27 purchases with a 63-day result · median -20.4% Director 183,300 $2.68 avg $490.8K
routine 10b5-1
2022-12-20 Smith Stan 4,048 $3.53 $14.3K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2022-12-21 Smith Stan 399 $3.43 $1.4K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2022-12-22 Smith Stan 731 $3.34 $2.4K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2022-12-23 Smith Stan 981 $3.45 $3.4K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2022-12-27 Smith Stan 604 $3.38 $2.0K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2022-12-28 Smith Stan 1,266 $3.41 $4.3K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2022-12-29 Smith Stan 1,471 $3.49 $5.1K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2022-12-30 Smith Stan 500 $3.50 $1.8K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-01-25 Smith Stan 9 $4.25 $38
10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-01-26 Smith Stan 227 $4.24 $962
10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-10 Smith Stan 337 $4.25 $1.4K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-14 Smith Stan 198 $4.25 $842
10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-15 Smith Stan 10 $4.25 $42
10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-16 Smith Stan 62 $4.25 $264
10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-17 Smith Stan 75 $4.25 $319
10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-21 Smith Stan 228 $4.49 $1.0K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-22 Smith Stan 1,073 $4.48 $4.8K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-27 Smith Stan 219 $4.47 $979
10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-02-28 Smith Stan 1,619 $4.48 $7.3K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-01 Smith Stan 198 $4.48 $887
10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-02 Smith Stan 23 $4.41 $101
SEC filing for Smith Stan (opens in a new tab)
2023-03-03 Smith Stan 2,509 $4.43 $11.1K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-06 Smith Stan 4,594 $4.39 $20.2K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-07 Smith Stan 1,961 $4.23 $8.3K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-08 Smith Stan 3,076 $4.20 $12.9K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-09 Smith Stan 3,582 $4.03 $14.4K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-20 Smith Stan 3,006 $3.28 $9.9K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-21 Smith Stan 2,736 $3.17 $8.7K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-22 Smith Stan 1,458 $3.18 $4.6K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-23 Smith Stan 1,862 $3.43 $6.4K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-03-24 Smith Stan 938 $3.49 $3.3K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-04-20 Smith Stan 10,000 $3.74 $37.4K
routine 10b5-1
SEC filing for Smith Stan (opens in a new tab)
2023-04-27 Smith Stan 133,300 $2.25 $299.9K
SEC filing for Smith Stan (opens in a new tab)
2023-04-27 Louie Ngar Yee history of Louie Ngar Yee's purchases Director 48,000 $2.25 $108.0K
SEC filing for Louie Ngar Yee (opens in a new tab)
2023-01-13 → 2023-05-15 Luput Cristian 9 purchases with a 63-day result · median -46.8% Director 20,000 $3.78 avg $75.6K
routine 10b5-1
2023-01-13 Luput Cristian 504 $3.88 $2.0K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-02-14 Luput Cristian 14 $4.25 $60
10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-02-15 Luput Cristian 10 $4.25 $42
10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-02-16 Luput Cristian 58 $4.25 $246
10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-02-17 Luput Cristian 76 $4.24 $322
10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-03-06 Luput Cristian 527 $4.24 $2.2K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-03-07 Luput Cristian 1,688 $4.23 $7.1K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-03-08 Luput Cristian 627 $4.22 $2.6K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-03-09 Luput Cristian 2,114 $3.98 $8.4K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-03-10 Luput Cristian 5,382 $3.99 $21.5K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-03-13 Luput Cristian 3,000 $4.07 $12.2K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-04-13 Luput Cristian 622 $3.62 $2.3K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-04-14 Luput Cristian 802 $3.58 $2.9K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-04-17 Luput Cristian 1,576 $3.69 $5.8K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2023-05-15 Luput Cristian 3,000 $2.63 $7.9K
routine 10b5-1
SEC filing for Luput Cristian (opens in a new tab)
2022-12-30 → 2023-04-28 Vitoc Vlad 14 purchases with a 63-day result · median -32.6% CEO 20,000 $3.67 avg $73.4K
routine 10b5-1
2022-12-30 Vitoc Vlad 410 $3.50 $1.4K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-01-03 Vitoc Vlad 2,324 $3.64 $8.5K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-01-04 Vitoc Vlad 1,266 $3.68 $4.7K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-02-10 Vitoc Vlad 343 $4.24 $1.5K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-02-15 Vitoc Vlad 10 $4.25 $42
10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-02-16 Vitoc Vlad 10 $4.25 $42
10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-02-17 Vitoc Vlad 73 $4.25 $310
10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-02-28 Vitoc Vlad 1,275 $4.49 $5.7K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-03-01 Vitoc Vlad 282 $4.48 $1.3K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-03-02 Vitoc Vlad 45 $4.42 $199
10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-03-03 Vitoc Vlad 2,398 $4.47 $10.7K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-03-06 Vitoc Vlad 544 $4.24 $2.3K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-03-07 Vitoc Vlad 1,439 $4.24 $6.1K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-03-08 Vitoc Vlad 1,581 $4.21 $6.7K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-03-30 Vitoc Vlad 205 $3.43 $703
10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-03-31 Vitoc Vlad 1,495 $3.46 $5.2K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-04-03 Vitoc Vlad 1,375 $3.50 $4.8K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-04-04 Vitoc Vlad 925 $3.56 $3.3K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-04-28 Vitoc Vlad 4,000 $2.50 $10.0K
routine 10b5-1
SEC filing for Vitoc Vlad (opens in a new tab)
2023-02-16 → 2023-05-18 Guerrero Ramiro 13 purchases with a 63-day result · median -27.2% Director 15,208 $2.90 avg $44.2K
routine 10b5-1
2023-02-16 Guerrero Ramiro 10 $4.25 $42
10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-02-17 Guerrero Ramiro 50 $4.25 $212
10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-03-06 Guerrero Ramiro 481 $4.24 $2.0K
routine 10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-03-07 Guerrero Ramiro 871 $4.25 $3.7K
routine 10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-03-09 Guerrero Ramiro 1,057 $3.98 $4.2K
routine 10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-03-10 Guerrero Ramiro 443 $3.98 $1.8K
routine 10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-03-16 Guerrero Ramiro 1,333 $3.64 $4.9K
routine 10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-04-18 Guerrero Ramiro 1,263 $4.17 $5.3K
routine 10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-04-27 Guerrero Ramiro 8,500 $2.25 $19.1K
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-05-18 Guerrero Ramiro 1,200 $2.47 $3.0K
routine 10b5-1
SEC filing for Guerrero Ramiro (opens in a new tab)
2023-04-27 MCGUIRE JOSEPH F history of MCGUIRE JOSEPH F's purchases CFO 4,400 $2.25 $9.9K
SEC filing for MCGUIRE JOSEPH F (opens in a new tab)
Total $801.8K

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 +1.4%63 days -11.3%126 days -50.0%

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
2026-06-01 3 $204.3K 66 +0.2%-8.1%– active
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
2022-07-28 → 2022-09-19 10 $1.5M 60 -27.7%-30.4%-25.8% closed