Harvard Bioscience Inc (HBIO) Insider Ownership

Data spanning the past 90 days through February 19, 2026 reveals that Harvard Bioscience's three principal insider shareholders consist of Director James W Green (2.45Mn shares), Chief Executive Officer John D Duke (1.00Mn shares), Director Katherine A. Eade (421.13K shares).

• Harvard Bioscience's (HBIO) equity distribution shows institutional investors maintaining majority control with 39.53% ownership, management insiders owning a 13.51% stake and while other market participants hold 46.95%.
• As of February 19, 2026, insider ownership at Harvard Bioscience represents 13.51% of the company's total outstanding shares, comprising approximately 6.01Mn shares out of 44.49Mn outstanding shares.
• Insider ownership levels at Harvard Bioscience increased 1.86% across the 90-day window ending February 19, 2026, reflecting insider holdings that growing from 5.90Mn shares to 6.01Mn shares.
• As of February 19, 2026, Director William Snider emerged as Harvard Bioscience's top insider buyer over the preceding 90 days, securing 110.00K shares.
• Harvard Bioscience had no significant insider sales in the last 90 days.