ADVENT TECHNOLOGIES HOLDINGS, INC. ($ADNH) Insider Transactions

Last updated: 2026-03-16 13:03 UTC | Total transactions: 21

In the last 12 months, insiders at ADVENT TECHNOLOGIES HOLDINGS, INC. ($ADNH) filed 21 transactions with the SEC: 0 open-market purchases totaling $0 and 14 sales totaling $438,666. Net insider sentiment: net selling.

ADVENT TECHNOLOGIES HOLDINGS, INC. operates in the Miscellaneous electrical machinery, equipment & supplies industry (Manufacturing sector).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 15, 2024 Hussain Naiem Chief Financial Officer A Employee stock options (right to buy) 166779 $0.00 166,779.0000 0 9999.99% 0.00%
Feb. 15, 2024 Hussain Naiem Chief Financial Officer A Common Stock 166779 $0.00 251,779.0000 0 196.21% 0.00%
Sept. 6, 2023 Brackman Kevin L. CFO S Common Stock 27771 $0.53 176,477.0000 0 13.60% 0.00%
Sept. 6, 2023 Gregoriou Vassilios CEO, Chair S Common Stock 14157 $0.53 6,367,669.0000 0 0.22% 0.00%
Feb. 8, 2023 Gregoriou Vassilios CEO, Chair S Common Stock 22696 $1.92 6,381,826.0000 0 0.35% 0.00%
Feb. 7, 2023 Gregoriou Vassilios CEO, Chair S Common Stock 34338 $1.96 6,404,522.0000 0 0.53% 0.00%
Feb. 6, 2023 Gregoriou Vassilios CEO, Chair S Common Stock 18642 $2.00 6,438,860.0000 0 0.29% 0.00%
Feb. 8, 2023 De Castro Emory Sayre CTO S Common Stock 9248 $1.96 2,413,503.0000 0 0.38% 0.00%
Feb. 6, 2023 Coffey James F. COO, GC S Common Stock 7505 $2.00 900,355.0000 0 0.83% 0.00%
Feb. 7, 2023 Coffey James F. COO, GC S Common Stock 13823 $1.96 886,532.0000 0 1.54% 0.00%
Feb. 8, 2023 Coffey James F. COO, GC S Common Stock 9136 $1.92 877,396.0000 0 1.03% 0.00%
Feb. 7, 2023 Gregoriou Vassilios CEO, Chair S Common Stock 34338 $1.96 6,509,644.0000 0 0.52% 0.00%
Jan. 12, 2023 GOURDOUPI PANORAIA Director A Common Stock 4688 $0.00 379,485.0000 0 1.25% 0.00%
June 11, 2021 Kaskavelis Christos CMO A Common Stock 345794 $0.00 4,049,907.0000 0 9.34% 0.00%
Feb. 6, 2023 Gregoriou Vassilios CEO, Chair S Common Stock 18642 $2.00 6,543,982.0000 0 0.28% 0.00%
Feb. 8, 2023 Gregoriou Vassilios CEO, Chair S Common Stock 22696 $1.92 6,486,948.0000 0 0.35% 0.00%
Feb. 6, 2023 De Castro Emory Sayre CTO S Common Stock 7596 $2.00 2,436,743.0000 0 0.31% 0.00%
Feb. 7, 2023 De Castro Emory Sayre CTO S Common Stock 13992 $1.96 2,422,751.0000 0 0.57% 0.00%
Feb. 4, 2023 Gregoriou Vassilios CEO, Chair F Common Stock 72161 $2.04 6,490,463.0000 0 1.10% 0.00%
Feb. 4, 2023 Coffey James F. COO, GC F Common Stock 29046 $2.04 878,814.0000 0 3.20% 0.00%
Feb. 4, 2023 De Castro Emory Sayre CTO F Common Stock 29401 $2.04 2,414,938.0000 0 1.20% 0.00%