Vassilios Gregoriou serves as Executive at ADVENT TECHNOLOGIES HOLDINGS, INC., where they oversee executive responsibilities. Since joining the company, Vassilios Gregoriou has executed 13 insider transactions totaling $303.8K, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 6, 2023 involved selling 14,157 shares valued at $7.5K.
Vassilios Gregoriou currently holds 6,367,669 shares of ADVENT TECHNOLOGIES HOLDINGS, INC. (ADN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Vassilios Gregoriou has been a net seller of ADN stock. They have purchased $0 and sold $303.8K worth of shares.
Vassilios Gregoriou's most recent insider trade was on Sep 6, 2023, when they sold 14,157 shares at $0.53 per share.
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| $1.92 |
| Discretionary |
| Feb 8, 2023 | ADN | $43.6K | Sale | 22,696 | $1.92 | Discretionary |
| Feb 7, 2023 | ADN | $67.3K | Sale | 34,338 | $1.96 | Discretionary |
| Feb 7, 2023 | ADN | $67.3K | Sale | 34,338 | $1.96 | Discretionary |
| Feb 6, 2023 | ADN | $37.3K | Sale | 18,642 | $2.00 | Discretionary |
| Feb 6, 2023 | ADN | $37.3K | Sale | 18,642 | $2.00 | Discretionary |
| Feb 4, 2023 | ADN | $147.2K | Payment | 72,161 | $2.04 | Discretionary |
| Jul 12, 2022 | ADN | $0 | Award | 175,000 | $N/A | Discretionary |
| Feb 4, 2022 | ADN | $424.7K | Payment | 105,122 | $4.04 | Discretionary |
| Jun 11, 2021 | ADN | $0 | Award | 922,118 | $N/A | Discretionary |
| Jun 11, 2021 | ADN | $0 | Award | 922,118 | $N/A | Discretionary |
| Feb 4, 2021 | ADN | $0 | Award | 5,465,506 | $N/A | Discretionary |