Katherine E. Fleming serves as Executive at ADVENT TECHNOLOGIES HOLDINGS, INC., where they oversee executive responsibilities. Since joining the company, Katherine E. Fleming has executed 16 insider transactions totaling $150.0K, demonstrating a bullish approach to their equity position. Their most recent transaction on Jan 1, 2026 involved receiving (via award) 867 shares valued at $0.
Katherine E. Fleming currently holds 34,661 shares of ADVENT TECHNOLOGIES HOLDINGS, INC. (ADN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Katherine E. Fleming has been a net buyer of ADN stock. They have purchased $150.0K and sold $0 worth of shares.
Katherine E. Fleming's most recent insider trade was on Jan 1, 2026, when they sold 867 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jul 1, 2024 | AEYE | $0 | Award | 667 | $N/A | Discretionary |
| Jun 12, 2024 | AEYE | $150.0K | Purchase | 7,330 | $20.46 | Discretionary |
| May 24, 2024 | AEYE | $0 | Award | 5,667 | $N/A | Discretionary |
| Apr 1, 2024 | AEYE | $0 | Award | 667 | $N/A | Discretionary |
| Jan 1, 2024 | AEYE | $0 | Award | 667 | $N/A | Discretionary |
| Oct 1, 2023 | AEYE | $0 | Award | 667 | $N/A | Discretionary |
| Jul 1, 2023 | AEYE | $0 | Award | 667 | $N/A | Discretionary |
| May 19, 2023 | AEYE | $0 | Award | 5,667 | $N/A | Discretionary |
| Apr 1, 2023 | AEYE | $0 | Award | 667 | $N/A | Discretionary |
| Mar 24, 2023 | AEYE | $1.9K | Award | 459 | $4.05 | Discretionary |
| Mar 24, 2023 | AEYE | $0 | Award | 774 | $N/A | Discretionary |
| Mar 24, 2023 | AEYE | $889 | Award | 229 | $3.88 | Discretionary |
| Jun 11, 2021 | ADN | $0 | Award | 9,652 | $N/A | Discretionary |
| Jun 11, 2021 | ADN | $0 | Award | 9,652 | $N/A | Discretionary |