DENELSKY STEPHEN J (CIK 1204320) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-11). Recent activity: Buy HBIO (16,556 shares), Buy HBIO (10,000 shares), Buy HBIO (110,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-11 | HARVARD BIOSCIENCE INC (HBIO) | Director | Buy | 16,556 | $0 |
| 2026-03-18 | HARVARD BIOSCIENCE INC (HBIO) | Director | Buy | 10,000 | $48,700 |
| 2025-10-07 | HARVARD BIOSCIENCE INC (HBIO) | Director | Buy | 110,000 | $0 |
Source: SEC Form 4 filings · as of 2026-06-11