HBIO
Harvard Bioscience Inc
$202K
Cluster buy
Discretionary Insider Activity
Date:
03/16/2026
Insiders:
Duke John D, director, and 3 others
Prior trend:
20 months of no discretionary insider activity

Summary

A $202K cluster buy for Harvard Bioscience Inc (HBIO) on 03/16/2026 after 20 months of no discretionary insider activity.

Reports

Action Amount Date Insider Role(s) SEC Filing No
Buy $25K 03/17/2026 Duke John D Director, Chief Executive Officer 0001171843-26-001645
Buy $104K 03/18/2026 Snider William Director 0001171843-26-001689
Buy $49K 03/18/2026 DENELSKY STEPHEN J Director 0001171843-26-001732
Buy $25K 04/01/2026 Frost Mark T Chief Financial Officer 0001171843-26-002155

Stake Changes

Action Insider Role(s) Total Change % Change
Buy Duke John D Director, Chief Executive Officer $25K 5.0%
Buy Snider William Director $104K 190.9%
Buy DENELSKY STEPHEN J Director $49K 90.9%
Buy Frost Mark T Chief Financial Officer $25K 40.0%

Transactions

Action Amount Date Insider Security Type SEC Code
Buy $25K 03/16/2026 Duke John D Common Stock Discretionary Purchase
Buy $62K 03/16/2026 Snider William Common Stock Discretionary Purchase
Buy $25K 03/16/2026 Frost Mark T Common Stock Discretionary Purchase
Buy $41K 03/17/2026 Snider William Common Stock Discretionary Purchase
Buy $49K 03/17/2026 DENELSKY STEPHEN J Common Stock Discretionary Purchase

Metadata

Signal ID:
5pxNzyQNDym4mUpd
Scanned on:
04/01/2026
Status:
Current