Duke John D

Chief Executive Officer · 4 insider transactions on file

All transactions

Date	Ticker	Company	Type	Shares	Price	Value	Filing
2026-03-20	HBIO	HARVARD BIOSCIENCE INC	Award	75,000	$0.00	$0.00	filing
2026-03-16	HBIO	HARVARD BIOSCIENCE INC	Buy	5,000	$5.01	$25,050.00	filing
2025-08-08	HBIO	HARVARD BIOSCIENCE INC	Award	500,000	$0.00	$0.00	filing
2025-08-08	HBIO	HARVARD BIOSCIENCE INC	Award	500,000	$0.00	$0.00	filing

Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.