Mark T. Frost
CIK: 0001310262
Transaction Breakdown
Open Market Buys (P)1 (33.3%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (66.7%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
HBIO
HARVARD BIOSCIENCE INC
Officer
Discretionary Trading P&L
Holdings
About Frost Mark T
Frost Mark T (SEC CIK 0001310262) files insider reports with the SEC as Chief Financial Officer of HARVARD BIOSCIENCE INC (HBIO).
Signal8 holds 4 ownership filings by Frost Mark T (1 Form 3, 3 Form 4), filed between May 14, 2025 and Apr 1, 2026. Those filings report 3 transactions, from May 12, 2025 to Mar 20, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Frost Mark T's filings is in HOLLISTON, MA.
Recent filings by Frost Mark T
Other insiders filing for HARVARD BIOSCIENCE INC (HBIO)
- Eade Katherine A., Director
- Snider William, Director
- DENELSKY STEPHEN J, Director
- Gagnon Robert E., Director
- Benson Seth Benjamin, Director
- Duke John D, Chief Executive Officer