Frost Mark T
SEC CIK 1310262 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| HBIO | HARVARD BIOSCIENCE INC | Interim CFO | 47.5K | $25.0K | — | 3 | 2025-05-12 | 2026-03-20 |
Most active insiders at HBIO, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Snider William | Dir | $103.6K | — |
| 2 | DENELSKY STEPHEN J | Dir | $48.7K | — |
| 3 | Duke John D | CEO, Dir | $25.1K | — |
| 4 | Frost Mark T | CFO | $25.0K | — |
| 5 | Benson Seth Benjamin | Dir | — | — |
| 6 | Eade Katherine A. | Dir | — | — |
| 7 | Gagnon Robert E. | Dir | — | — |
Transactions 3
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-01 09:57 | 2026-03-20 | HBIO | HARVARD BIOSCIENCE INC | Frost Mark T | CFO | A - Grant | $0.00 | +30.0K | 47.5K | +171% | $0 | |
| 2026-04-01 09:44 | 2026-03-16 | HBIO | HARVARD BIOSCIENCE INC | Frost Mark T | CFO | P - Purchase | $5.00 | +5,000 | 17.5K | +40% | +$25.0K | |
| 2025-05-14 | 2025-05-12 | HBIO | HARVARD BIOSCIENCE INC | Frost Mark T | Interim CFO | A - Grant | $0.00 | +100.0K | 125.0K | +400% | $0 |
Purchase Sale Sale after option exercise All abbreviations