Updated Jul 16, 2026
Gryaznov Sergei has filed 2 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $3K.

Sergei Gryaznov is the Chief Scientific Officer at MAIA Biotechnology, Inc. He is involved in the development of innovative therapies in the biotechnology sector. Specific details about his educational background and previous roles are not widely documented.
| Role | Chief Scientific Officer |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-02 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 2.0K | $1.34 | $3K |
Sergei Gryaznov is the Chief Scientific Officer at MAIA Biotechnology, Inc. He is involved in the development of innovative therapies in the biotechnology sector. Specific details about his educational background and previous roles are not widely documented.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($3K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Gryaznov Sergei profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.