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.
Quick Answer
Is Grigorios Siokas buying or selling?
Grigorios Siokas reported 56 open-market buys ($19.2M) and 17 sells ($4.8M) across 73 Form 4 filings at 1 company — a net buying position of $14.3M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jun 12, 2026)
Insider sentiment
Net buyingNet insider flow of $14.3M in net buying, filed between Jul 11, 2018 – Jun 12, 2026.
Companies Grigorios Siokas files for
| # | Company | Form 4 filings |
|---|---|---|
| 1 | COSMCosmos Health Inc. | 73 |
Recent Grigorios Siokas transactions
| Date | Ticker | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Jun 12, 2026 | COSM | Chief Executive Officer | Purchase | 218.4K | $45.0K |
| Jun 12, 2026 | COSM | Chief Executive Officer | Purchase | 701.4K | $160.0K |
| Feb 13, 2026 | COSM | Chief Executive Officer | Purchase | 388.5K | $145.0K |
| Feb 12, 2026 | COSM | Chief Executive Officer | Purchase | 291.3K | $120.0K |
| Jan 26, 2026 | COSM | Chief Executive Officer | Purchase | 90.3K | $45.0K |
| Jan 21, 2026 | COSM | Chief Executive Officer | Purchase | 353.3K | $175.0K |
| Jan 15, 2026 | COSM | Chief Executive Officer | Purchase | 493.5K | $220.0K |
| Jan 13, 2026 | COSM | Chief Executive Officer | Purchase | 113.2K | $57.0K |
| Jan 9, 2026 | COSM | Chief Executive Officer | Purchase | 156.2K | $81.0K |
| Jan 8, 2026 | COSM | Chief Executive Officer | Purchase | 124.9K | $65.0K |
| Jan 7, 2026 | COSM | Chief Executive Officer | Purchase | 134.0K | $72.0K |
| Dec 22, 2025 | COSM | Chief Executive Officer | Purchase | 88.3K | $43.0K |
| Dec 16, 2025 | COSM | Chief Executive Officer | Purchase | 168.5K | $70.0K |
| Dec 1, 2025 | COSM | Chief Executive Officer | Purchase | 76.4K | $49.0K |
| Nov 26, 2025 | COSM | Chief Executive Officer | Purchase | 55.7K | $35.0K |
| Nov 24, 2025 | COSM | Chief Executive Officer | Purchase | 56.1K | $38.0K |
| Nov 21, 2025 | COSM | Chief Executive Officer | Purchase | 51.3K | $32.0K |
| Nov 20, 2025 | COSM | Chief Executive Officer | Purchase | 61.6K | $40.0K |
| May 27, 2025 | COSM | Chief Executive Officer | Purchase | 34.0K | $15.2K |
| May 23, 2025 | COSM | Chief Executive Officer | Purchase | 141.8K | $62.8K |
| May 22, 2025 | COSM | Chief Executive Officer | Purchase | 174.2K | $82.0K |
| May 21, 2025 | COSM | Chief Executive Officer | Purchase | 147.6K | $66.0K |
| May 20, 2025 | COSM | Chief Executive Officer | Purchase | 79.3K | $34.0K |
| Apr 28, 2025 | COSM | Chief Executive Officer | Purchase | 254.6K | $102.0K |
| Apr 25, 2025 | COSM | Chief Executive Officer | Purchase | 177.2K | $71.0K |
Showing the 25 most recent filings of 73. Screen every filing.
Grigorios Siokas insider trading FAQ
Is Grigorios Siokas buying or selling?
Across 73 SEC Form 4 filings, Grigorios Siokas reported 56 open-market purchases totaling $19.2M and 17 sales totaling $4.8M — a net buying position of $14.3M.
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 Jul 11, 2018 – Jun 12, 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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