John D Duke Harvard Bioscience Inc (HBIO) insider trading activity

HBIO Quotes by TradingView

John D Duke is Chief Executive Officer of HARVARD BIOSCIENCE INC. Currently has a direct ownership of 1 Million shares of HBIO, which is worth approximately $480,000. The most recent transaction as insider was on Aug 08, 2025, when has been sold 1,000,000 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1M
n/a 3M change
n/a 12M change
Total Value Held $480,000

John D Duke Transaction History

Date Transaction Value Shares Traded Shares Held Form
Aug 08 2025
BUY
Grant, award, or other acquisition
-
1,000,000 Added 50.0%
1,000,000 Common Stock
JDD

John D Duke

Chief Executive Officer
Holliston, MA

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