InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
No signal scores available.
Discover the complete record of transactions filed by Southworth Michael Christopher, Director. Officer active across 2 companies, notably Grid Dynamics Holdings, INC.. Cumulatively, 6 disclosures have been logged. History available since 20 December 2021. The latest transaction was disclosed on 23 December 2025 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Southworth Michael Christopher
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Declarations6 total
12,500 shares0Common StockSEC:0000899140-25-001474:0
3,672 shares@ US$20.42100.0% of flowCommon StockSEC:0000899140-24-001399:0
5,559 shares0Common StockSEC:0001209191-23-059733:0
6,811 shares0Common StockSEC:0001209191-22-062734:0
2,050 shares0Common StockSEC:0001209191-21-070924:0
2,032 sharesCommon StockSEC:0001366340-16-000021:0
6 of 6 declarations
About Southworth Michael Christopher
Southworth Michael Christopher is a Director of Grid Dynamics Holdings, INC. and FINJAN HOLDINGS, INC. He has 6 filings in total, and the sampled recent filings span from 2016-01-12 to 2025-12-29. The modal transaction nature is Attribution, and one recent filing shows EUR 71869.73002338348.
