Duke John D

CIK: 0002071593

Duke John D is a corporate insider at HARVARD BIOSCIENCE INC (HBIO) filing SEC Form 4 transactions. 3 transactions. Source: SEC EDGAR.

Total Transactions

Total Buy Value

Total Sell Value

Net Activity

Last Transaction

Mar 2026

Companies

Transaction History

Filter:

Source: SEC EDGAR Form 4 insider transaction filings.

Company	Type	Shares	Price	Value	Shares After	Date	SEC
HARVARD BIOSCIENCE INC HBIO	Award	75,000	-	-	180,000	3/20/2026 Filed: 3/20/2026	Filing →
HARVARD BIOSCIENCE INC HBIO	Award	500,000	-	-	1,000,000	8/8/2025 Filed: 8/11/2025	Filing →
HARVARD BIOSCIENCE INC HBIO	Award	500,000	-	-	500,000	8/8/2025 Filed: 8/11/2025	Filing →

HBIO

Type

Award

75,000

Price

Value

HBIO

Type

Award

500,000

Price

Value

HBIO

Type

Award

500,000

Price

Value

AI Agent

Try asking...