Frost Mark T has filed 3 insider transactions across 1 company since May 2025.
Most recent transaction: a grant/award of 30000 shares of HARVARD BIOSCIENCE INC ($HBIO) on March 20, 2026.
Activity breakdown: 1 open-market purchase and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 20, 2026 | HARVARD BIOSCIENCE INC | $HBIO | Frost Mark T | Chief Financial Officer | A | Common Stock | 30000 | $0.00 | 47,500.0000 | 44,579,665 | 171.43% | 0.07% |
| March 16, 2026 | HARVARD BIOSCIENCE INC | $HBIO | Frost Mark T | Chief Financial Officer | P | Common Stock | 5000 | $5.00 | 17,500.0000 | 44,579,665 | 40.00% | 0.01% |
| May 12, 2025 | HARVARD BIOSCIENCE INC | $HBIO | Frost Mark T | Interim CFO | A | Common Stock | 100000 | $0.00 | 125,000.0000 | 44,074,475 | 400.00% | 0.23% |