Sergei Gryaznov
Chief Scientific Officer · MAIA Biotechnology, Inc.
- 2026
- Jun 2, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Sergei Gryaznov files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Vlad Vitoc - $302K in MAIA purchases and sales in the last 12 months
- Stan Smith - $298K in MAIA purchases and sales in the last 12 months
- Ramiro Guerrero - $252K in MAIA purchases and sales in the last 12 months
- Ngar Yee Louie - $211K in MAIA purchases and sales in the last 12 months
- Steven M. Chaouki - $106K in MAIA purchases and sales in the last 12 months
- Cristian Luput - $52K in MAIA purchases and sales in the last 12 months
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Frequently asked questions
Who is Sergei Gryaznov?
Sergei Gryaznov is a corporate insider, tracked as Chief Scientific Officer of MAIA Biotechnology, Inc. (MAIA). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Sergei Gryaznov last file a Form 4?
The most recent primary Form 4 on record is dated 2 June 2026, one of 3 filings going back to 2026.
Has Sergei Gryaznov been buying or selling stock?
Recorded transactions: 1 open-market purchase ($3K) and 0 open-market sales across all tracked filings.
