MAIA MAIA Biotechnology, Inc.

AMEX
$1.31

MAIA Biotechnology, Inc. (MAIA) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 2 buyers in the last 30 days 2 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
4
9 transactions
Insiders selling
0
0 transactions
Purchases
$506.6K
370,183 shares
Sales
$0
0 shares
Net activity
$506.6K
purchases less sales

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: September 14, 2026 , by Vitoc Vlad .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Vitoc Vlad Chief Executive Officer Buy 73,000 $1.37 $100.0K 1,049,121
Guerrero Ramiro Director Buy 46,620 $1.35 $62.9K 735,701
Guerrero Ramiro Director Buy 78,239 $1.39 $108.8K 689,081
Guerrero Ramiro Director Buy 8,931 $1.39 $12.4K 610,842
Guerrero Ramiro Director Buy 1,794 $1.33 $2.4K 601,911
Guerrero Ramiro Director Buy 11,899 $1.37 $16.3K 600,117
Vitoc Vlad Chief Executive Officer Buy 72,700 $1.39 $100.9K 976,121
Smith Stan Director Buy 75,000 $1.34 $100.2K 1,519,178
Gryaznov Sergei Chief Scientific Officer Buy 2,000 $1.34 $2.7K 46,511

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.