InsiderChief Executive Officer

Grigorios Siokas Insider Trading Activity

Every SEC Form 4 transaction reported by Grigorios Siokas, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · Insider-trading data from SEC EDGAR
Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

Quick Answer

Is Grigorios Siokas buying or selling?

Grigorios Siokas reported 58 open-market buys ($19.4M) and 19 sells ($5.9M) across 77 Form 4 filings at 1 company — a net buying position of $13.5M.

Source: SEC EDGAR Form 4

What stands out

  • All 77 of Grigorios Siokas's Form 4 filings are for one company, Cosmos Health Inc. (COSM).
  • The most recent Form 4 was accepted on Jul 31, 2026 (2 months ago).
  • In the last 12 months: 20 open-market purchases ($1.7M) and no sales.
  • The largest open-market purchase in the last 12 months was $220.0K of Cosmos Health Inc. (COSM) on Jan 15, 2026. SEC ↗

Key Statistics (as of Jul 31, 2026)

Total Form 4 filings
77
SEC EDGAR
Companies
1
Buys (58)
$19.4M
Sells (19)
$5.9M

Insider sentiment

Net buying

Net insider flow of $13.5M in net buying, filed between Mar 30, 2018 – Jul 31, 2026.

Companies Grigorios Siokas files for

#CompanyForm 4 filings
1COSMCosmos Health Inc.77

Recent Grigorios Siokas transactions

DateTickerRoleTypeSharesValueFiling
Jul 31, 2026COSMChief Executive OfficerPurchase349.8K$70.0KSEC ↗
Jul 30, 2026COSMChief Executive OfficerPurchase766.3K$140.0KSEC ↗
Jun 12, 2026COSMChief Executive OfficerPurchase218.4K$45.0KSEC ↗
Jun 12, 2026COSMChief Executive OfficerPurchase701.4K$160.0KSEC ↗
Feb 13, 2026COSMChief Executive OfficerPurchase388.5K$145.0KSEC ↗
Feb 12, 2026COSMChief Executive OfficerPurchase291.3K$120.0KSEC ↗
Jan 26, 2026COSMChief Executive OfficerPurchase90.3K$45.0KSEC ↗
Jan 21, 2026COSMChief Executive OfficerPurchase353.3K$175.0KSEC ↗
Jan 15, 2026COSMChief Executive OfficerPurchase493.5K$220.0KSEC ↗
Jan 13, 2026COSMChief Executive OfficerPurchase113.2K$57.0KSEC ↗
Jan 9, 2026COSMChief Executive OfficerPurchase156.2K$81.0KSEC ↗
Jan 8, 2026COSMChief Executive OfficerPurchase124.9K$65.0KSEC ↗
Jan 7, 2026COSMChief Executive OfficerPurchase134.0K$72.0KSEC ↗
Dec 22, 2025COSMChief Executive OfficerPurchase88.3K$43.0KSEC ↗
Dec 16, 2025COSMChief Executive OfficerPurchase168.5K$70.0KSEC ↗
Dec 1, 2025COSMChief Executive OfficerPurchase76.4K$49.0KSEC ↗
Nov 26, 2025COSMChief Executive OfficerPurchase55.7K$35.0KSEC ↗
Nov 24, 2025COSMChief Executive OfficerPurchase56.1K$38.0KSEC ↗
Nov 21, 2025COSMChief Executive OfficerPurchase51.3K$32.0KSEC ↗
Nov 20, 2025COSMChief Executive OfficerPurchase61.6K$40.0KSEC ↗
May 27, 2025COSMChief Executive OfficerPurchase34.0K$15.2KSEC ↗
May 23, 2025COSMChief Executive OfficerPurchase141.8K$62.8KSEC ↗
May 22, 2025COSMChief Executive OfficerPurchase174.2K$82.0KSEC ↗
May 21, 2025COSMChief Executive OfficerPurchase147.6K$66.0KSEC ↗
May 20, 2025COSMChief Executive OfficerPurchase79.3K$34.0KSEC ↗

Showing the 25 most recent filings of 77. Screen every filing.

Grigorios Siokas insider trading FAQ

Is Grigorios Siokas buying or selling?

Across 77 SEC Form 4 filings, Grigorios Siokas reported 58 open-market purchases totaling $19.4M and 19 sales totaling $5.9M — a net buying position of $13.5M.

Which companies does Grigorios Siokas file Form 4s for?

Grigorios Siokas has reported insider transactions at 1 company, most often Cosmos Health Inc. (COSM).

How far back does Grigorios Siokas's filing history go?

Trabud holds Grigorios Siokas's SEC Form 4 filings from Mar 30, 2018 – Jul 31, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Grigorios Siokas's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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