Siokas Grigorios
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Siokas Grigorios. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| COSM | Chief Executive Officer | Purchase | 88,314 | $0.49 | $43,274 | Dec 19, 2025 |
| COSM | Chief Executive Officer | Purchase | 168,472 | $0.42 | $70,758 | Dec 15, 2025 |
| COSM | Chief Executive Officer | Purchase | 76,360 | $0.64 | $48,870 | Nov 28, 2025 |
| COSM | Chief Executive Officer | Purchase | 55,732 | $0.63 | $35,111 | Nov 25, 2025 |
| COSM | Chief Executive Officer | Purchase | 56,080 | $0.68 | $38,134 | Nov 21, 2025 |
| COSM | Chief Executive Officer | Purchase | 51,315 | $0.62 | $31,815 | Nov 20, 2025 |
| COSM | Chief Executive Officer | Purchase | 61,614 | $0.65 | $40,049 | Nov 19, 2025 |
| COSM | Chief Executive Officer | Purchase | 34,004 | $0.45 | $15,302 | May 23, 2025 |
| COSM | Chief Executive Officer | Purchase | 141,825 | $0.44 | $62,403 | May 22, 2025 |
| COSM | Chief Executive Officer | Purchase | 174,172 | $0.47 | $81,861 | May 21, 2025 |
| COSM | Chief Executive Officer | Purchase | 147,563 | $0.45 | $66,403 | May 20, 2025 |
| COSM | Chief Executive Officer | Purchase | 79,254 | $0.43 | $34,079 | May 19, 2025 |
| COSM | Chief Executive Officer | Purchase | 254,618 | $0.40 | $101,847 | Apr 24, 2025 |
| COSM | Chief Executive Officer | Purchase | 177,234 | $0.40 | $70,894 | Apr 24, 2025 |
| COSM | Chief Executive Officer | Purchase | 205,000 | $0.40 | $82,000 | Apr 23, 2025 |
| COSM | Chief Executive Officer | Purchase | 175,000 | $0.36 | $63,000 | Apr 22, 2025 |
| COSM | Chief Executive Officer | Purchase | 654,912 | $0.32 | $209,572 | Apr 21, 2025 |
| COSM | Chief Executive Officer | Purchase | 85,714 | $0.53 | $45,428 | Mar 4, 2025 |
| COSM | Chief Executive Officer | Purchase | 132,572 | $0.49 | $64,960 | Mar 3, 2025 |
| COSM | Chief Executive Officer | Purchase | 354,296 | $0.56 | $198,406 | Feb 24, 2025 |
| COSM | Chief Executive Officer | Purchase | 51,414 | $0.66 | $33,933 | Jan 30, 2025 |
| COSM | Chief Executive Officer | Purchase | 38,900 | $0.77 | $29,953 | Jan 22, 2025 |
| COSM | Chief Executive Officer | Purchase | 29,158 | $0.86 | $25,076 | Jan 17, 2025 |
| COSM | Chief Executive Officer | Purchase | 47,904 | $0.84 | $40,239 | Jan 16, 2025 |
| COSM | Chief Executive Officer | Purchase | 62,500 | $0.80 | $50,000 | Jan 15, 2025 |
| COSM | Chief Executive Officer | Purchase | 87,247 | $0.69 | $60,200 | Jan 14, 2025 |
| COSM | Chief Executive Officer | Purchase | 163,666 | $0.61 | $99,836 | Jan 13, 2025 |
| COSM | Chief Executive Officer | Purchase | 257,334 | $0.58 | $149,254 | Dec 20, 2024 |
| COSM | Chief Executive Officer | Award / Grant | 1,410,000 | — | — | Sep 19, 2024 |
| COSM | Chief Executive Officer | Purchase | 60,000 | $0.83 | $49,800 | Feb 16, 2024 |
| COSM | Chief Executive Officer | Purchase | 6,712 | $23.66 | $158,806 | Oct 12, 2023 |
| COSM | Chief Executive Officer | Purchase | 181,451 | $2.48 | $449,998 | Jul 20, 2023 |
| COSM | Chief Executive Officer | Purchase | 4,474 | $23.92 | $107,018 | Jun 6, 2023 |
| COSM | Chief Executive Officer | Purchase | 4,474 | $24.64 | $110,239 | Apr 27, 2023 |
| COSM | Chief Executive Officer | Purchase | 4,474 | $24.49 | $109,568 | Apr 21, 2023 |
| COSM | Chief Executive Officer | Purchase | 2,238 | $24.37 | $54,540 | Apr 7, 2023 |
| COSM | Chief Executive Officer | Purchase | 260,870 | $11.50 | $3,000,005 | Dec 19, 2022 |
| COSM | Chief Executive Officer | Purchase | 260,870 | $11.50 | $3,000,005 | Dec 19, 2022 |
| COSM | Chief Executive Officer | C | 1,131,098 | $0.62 | $701,281 | Dec 2, 2022 |
| COSM | Chief Executive Officer | C | 481,079 | $0.62 | $298,269 | Nov 30, 2022 |
| COSM | Chief Executive Officer | Purchase | 801,261 | $0.62 | $496,782 | Nov 28, 2022 |
| COSM | Chief Executive Officer | Purchase | 801,261 | $0.62 | $496,782 | Nov 28, 2022 |
| COSM | Chief Executive Officer | Purchase | 12,500,000 | $0.12 | $1,500,000 | Oct 20, 2022 |
| COSM | Chief Executive Officer | Purchase | 125,000 | $6.00 | $750,000 | Dec 8, 2021 |
| COSM | Chief Executive Officer | Sale | 15,300 | $0.76 | $11,628 | Oct 22, 2021 |
| COSM | Chief Executive Officer | Sale | 4,250 | $0.28 | $1,190 | Jul 20, 2021 |
| COSM | Chief Executive Officer | Purchase | 208,333 | $6.00 | $1,249,998 | Jul 19, 2021 |
| COSM | Chief Executive Officer | Purchase | 166,667 | $6.00 | $1,000,002 | Jul 13, 2021 |
| COSM | Chief Executive Officer | Purchase | 500,000 | $6.00 | $3,000,000 | Jun 23, 2021 |
| COSM | Chief Executive Officer | Sale | 50,000 | $0.36 | $18,000 | Jun 17, 2021 |