Frost Mark T
- SEC CIK
- 0001310262
In the past year, 1 open-market purchase filing worth $25.0K and no sales.
Current role at each company
- HBIO Harvard Bioscience IncChief Financial Officeras of Apr 1, 2026
- FATH Fathom Digital Manufacturing CorpChief Financial Officeras of Apr 22, 2024
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $25.0K
- 1 filing
- Sold
- –
- 0 filings
- Net
- +$25.0K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Frost Mark T as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
HBIO Harvard Bioscience Inc
Chief Financial Officer1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2026 (view filing) | Mar 16 | 16 daysLate | Frost Mark TChief Financial Officer | PPurchase | +5.00K | $5.00 | +$25.0K | +40.0%17.5K after |
FATH Fathom Digital Manufacturing Corp
Chief Financial Officer1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 10, 2023 (view filing) | Mar 8 | 2 days | Frost Mark TChief Financial Officer | SSaleClass A Common Stock | −5.67K | $1.20 | −$6.81K | −1.1%503.3K after |