Gryaznov Sergei
Chief Scientific Officer
Gryaznov Sergei has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: Jun 2, 2026.
On the most recent filing, Gryaznov Sergei is listed as Chief Scientific Officer at MAIA Biotechnology, Inc. Inside the rolling window, Gryaznov Sergei reported 1 open-market purchase totaling $3K in MAIA and no open-market sales.
Companies traded
Other insiders at MAIA
Insider Buying
$3K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Gryaznov Sergei made?
Gryaznov Sergei has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2026.
Which companies does Gryaznov Sergei trade?
Gryaznov Sergei has filed SEC Form 4 disclosures for 1 company, including MAIA.
When was Gryaznov Sergei's most recent SEC Form 4 filing?
Gryaznov Sergei's most recent SEC Form 4 filing on Tracefour is dated Jun 2, 2026.
What is Gryaznov Sergei's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Gryaznov Sergei is listed as Chief Scientific Officer.
What is Gryaznov Sergei's total buy and sell value in the current window?
Inside the rolling retention window, Gryaznov Sergei bought $3K and sold $0 based on SEC Form 4 filings.
What was Gryaznov Sergei's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 2,000 MAIA shares on 2026-06-01, worth $3K, per SEC Form 4 filings.