Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2023-09-06 Sale |
2023-09-08 5:00 pm |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios CEO, Chair 10% Owner |
14,157 | $0.531 | $7,517 | 6,367,669 (Direct) |
View |
2023-02-06 Sale(A) |
2023-04-28 9:55 pm |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios CEO, Chair 10% Owner |
75,676 | $1.9565 | $148,057 | 6,381,826 (Direct) |
View |
2023-02-06 Sale(A) |
2023-04-14 4:46 pm |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios CEO, Chair 10% Owner |
75,676 | $1.9565 | $148,057 | 6,486,948 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2023-02-04 Tax Withholding |
2023-02-07 5:37 pm |
N/A N/A |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios CEO, Chair 10% Owner |
72,161 | $2.04 | 6,490,463 (Direct) |
View |
2022-02-04 Tax Withholding |
2022-08-26 5:01 pm |
N/A N/A |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios CEO, Chair |
105,122 | $4.04 | 6,457,502 (Direct) |
View |
2022-07-12 Option Award |
2022-07-15 5:53 pm |
2023-07-12 2032-07-12 |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios CEO, Chair 10% Owner |
175,000 | $0 | 7,659,742 (Direct) |
View |
2021-02-04 Option Award(A) |
2021-06-16 4:30 pm |
N/A N/A |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios Chairman and CEO 10% Owner |
922,118 | $0 | 7,309,742 (Direct) |
View |
2021-02-04 Option Award(A) |
2021-06-16 4:30 pm |
2022-02-04 2031-06-11 |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios Chairman and CEO 10% Owner |
922,118 | $10.36 | 7,309,742 (Direct) |
View |
2021-02-04 Option Award |
2021-06-15 5:03 pm |
2022-02-04 2031-06-11 |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios Chairman and CEO |
922,118 | $0 | 7,309,742 (Direct) |
View |
2021-02-04 Option Award |
2021-02-05 7:05 pm |
N/A N/A |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios Chairman and CEO 10% Owner |
5,465,506 | $0 | 5,465,506 (Direct) |
View |
Ownership |
2021-02-05 6:16 pm |
N/A N/A |
ADVENT TECHNOLOGIES HOLDINGS INC. | ADN | Gregoriou Vassilios Chairman and CEO 10% Owner |
0 | $0 | 5,465,506 (Direct) |
View |