Trades Insiders Companies Cluster Buys Rankings About

ITS

InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

Trades
Insiders
Companies
Cluster Buys
Rankings

Top Insiders

Mark Zuckerberg
Elon Musk
Jamie Dimon
Satya Nadella
Lisa Su
Jensen Huang

Learn

Learn
What is a Form 4?
About & Methodology
What are Cluster Buys?
Top Insider Rankings
Privacy Policy
Terms of Use

Data

SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Insiders/Siokas Grigorios

Siokas Grigorios

Officer

Officer

Total trades

16

Total bought

$1.3M

Total sold

$0

Tickers traded

1

Recent trades

Most recent Form 4 filings by Siokas Grigorios.

Siokas Grigoriosbought388,532 shares ofCOSMat $0.373$145KFeb 13Details
Siokas Grigoriosbought291,262 shares ofCOSMat $0.412$120KFeb 12Details
Siokas Grigoriosbought90,325 shares ofCOSMat $0.498$45KJan 26Details
Siokas Grigoriosbought353,321 shares ofCOSMat $0.495

$175KJan 21Details

Siokas Grigoriosbought493,495 shares ofCOSMat $0.446$220KJan 15Details

Siokas Grigoriosbought113,185 shares ofCOSMat $0.504$57KJan 13Details

Siokas Grigoriosbought156,190 shares ofCOSMat $0.519$81KJan 9Details

Siokas Grigoriosbought124,880 shares ofCOSMat $0.521$65KJan 8Details

Siokas Grigoriosbought133,953 shares ofCOSMat $0.538$72KJan 7Details

Siokas Grigoriosbought88,314 shares ofCOSMat $0.487$43KDec 22Details

Siokas Grigoriosbought168,472 shares ofCOSMat $0.416$70KDec 16Details

Siokas Grigoriosbought76,360 shares ofCOSMat $0.642$49KDec 1Details

Siokas Grigoriosbought55,732 shares ofCOSMat $0.628$35KNov 26Details

Siokas Grigoriosbought56,080 shares ofCOSMat $0.678$38KNov 24Details

Siokas Grigoriosbought51,315 shares ofCOSMat $0.624$32KNov 21Details

Siokas Grigoriosbought61,614 shares ofCOSMat $0.649$40KNov 20Details

Siokas Grigorios — Officer Insider Trades | Insider Trading Screener