Companies: 10,795·Total market cap: $144.5T
Advent Technologies Holdings, Inc.

Advent Technologies Holdings, Inc.

ADNNASDAQUtilities
$0.50
$-0.07(-12.87%)
Market Cap$1341964
P/E Ratio—
52W High$8.79
52W Low$0.47
Insider TradesOwnershipEmployees

Advent Technologies Holdings, Inc. (ADN) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · ADN · as of Jun 8, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

14

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Advent Technologies Holdings, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

ADN insider buying and selling by quarter

ADN insider selling · ADN insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
346K173K0
2022 Q3
2022 Q4
2023 Q1
2023 Q3

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Recent insider transactions

ADN executive sell shares · ADN board member insider trading · ADN insider trading SEC filing

Showing 1 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Gregoriou Vassilios

Chairman and CEO · Director

Award

Date

Jun 11

Shares

922,118

Price

—

Value

—

View Form 4 on SEC.gov

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About ADN insider trading

ADN insider trades

Advent Technologies Holdings, Inc. (ADN) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including ADN. Over the past 12 months, 0 insiders have filed transactions with the SEC. ADN insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Advent Technologies Holdings, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)
OwnershipSEC filingsFinancial statementsPrice historyForecast & ratingsEarnings

Frequently asked questions

ADN insider trading · 5 questions

The insiders of Advent Technologies Holdings, Inc. (ADN) include executives and directors such as ADN, among others. Over the past 12 months, 0 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

ADN board member insider tradingwho are ADN insidersADN insider rosterAdvent Technologies Holdings, Inc. executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026