Guerrero Ramiro 4

What Happened
Ramiro Guerrero, a director of MAIA Biotechnology, was granted a derivative award on 2026-03-31 representing options for 27,258 shares. The Form 4 reports an acquisition with a $0.00 amount, indicating this was a grant (no cash purchase). According to the filing footnote, the options vest 100% on the grant date and are exercisable beginning that date.

Key Details

• Transaction date: 2026-03-31; Form 4 filed 2026-04-02 (appears timely).
• Instrument: Derivative (stock options) for 27,258 shares; filing shows $0.00 as the acquisition amount (reflects a grant).
• Vesting/exercise: Per footnote, options vest 100% on grant date and are immediately exercisable.
• Shares owned after transaction: Not specified in the provided filing details.
• Footnote: Award made under MAIA Biotechnology, Inc.'s 2021 Equity Incentive Plan.

Context
This was a compensation-related option grant to a director rather than an open-market purchase or sale. For options, the economic significance depends on the exercise price and future actions (exercise or sale); the filing does not indicate any immediate exercise or sale. Grants are common for executive/director compensation and do not by themselves signal a buy or sell decision.