Ramiro Guerrero

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: MAIA Biotechnology Inc., 3 years.

3 years ยท Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Sep 10, 2026 MAIA Biotechnology Inc. Open-market purchase +37,595 $1.32 $49,516
Aug 28, 2026 MAIA Biotechnology Inc. Open-market purchase +46,620 $1.35 $62,937
Aug 27, 2026 MAIA Biotechnology Inc. Open-market purchase +78,239 $1.39 $108,752
Aug 26, 2026 MAIA Biotechnology Inc. Open-market purchase +8,931 $1.39 $12,414
Aug 24, 2026 MAIA Biotechnology Inc. Open-market purchase +1,794 $1.33 $2,386
Aug 20, 2026 MAIA Biotechnology Inc. Open-market purchase +11,899 $1.37 $16,302
May 8, 2025 MAIA Biotechnology Inc. Open-market purchase +20,000 $1.50 $30,000
Mar 3, 2025 MAIA Biotechnology Inc. Open-market purchase +33,333 $1.50 $50,000
Feb 24, 2025 MAIA Biotechnology Inc. Open-market purchase +73,333 $1.50 $110,000
Dec 13, 2024 MAIA Biotechnology Inc. Open-market purchase +53,418 $1.87 $99,892
Nov 1, 2024 MAIA Biotechnology Inc. Open-market purchase +88,534 $2.51 $222,220
Mar 14, 2024 MAIA Biotechnology Inc. Open-market purchase +6,928 $1.17 $8,106
May 18, 2023 MAIA Biotechnology Inc. Open-market purchase +1,200 $2.47 $2,964
Apr 27, 2023 MAIA Biotechnology Inc. Open-market purchase +8,500 $2.25 $19,125
Apr 18, 2023 MAIA Biotechnology Inc. Open-market purchase +1,263 $4.17 $5,267

Reviews (0)

Sign in to write a review.

No reviews yet. Be the first to write one.

We use cookies to run this site and, with your permission, to measure traffic and support the affiliate links that help fund it.