Marc Seelenfreund

Director, ADVENT TECHNOLOGIES HOLDINGS, INC.

Companies

Core AI Holdings, Inc.Board member Apr 1, 2026 to now¹
ADVENT TECHNOLOGIES HOLDINGS, INC.Board member Mar 11, 2025 to Mar 11, 2025²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Core AI Holdings, Inc. CHAI4 shares³$1 at $0.20Apr 1, 2026

As of each latest filing. The line shows shares held over time.

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARCore AI Holdings, Inc., Board member
2
SEC EDGARADVENT TECHNOLOGIES HOLDINGS, INC., Board member
3
SEC EDGARCore AI Holdings, Inc. shares after the filing of Apr 1, 2026