Frost Mark T (CIK 1310262) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-01). Recent activity: Buy HBIO (30,000 shares), Buy HBIO (5,000 shares), Buy HBIO (100,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-01 | HARVARD BIOSCIENCE INC (HBIO) | Chief Financial Officer | Buy | 30,000 | $0 |
| 2026-04-01 | HARVARD BIOSCIENCE INC (HBIO) | Chief Financial Officer | Buy | 5,000 | $25,000 |
| 2025-05-14 | HARVARD BIOSCIENCE INC (HBIO) | Interim CFO | Buy | 100,000 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-04-01