Mark T Frost
CIK 1310262 · Chief Financial Officer · last filed 2026-04-01
Mark T Frost is a Chief Financial Officer who has filed 35 SEC Form 4 insider transactions across 6 companies since 2007. The most recent filing, for HBIO, was dated Apr 1, 2026. Across all open-market trades the lifetime net is +$71.2K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $288.8K across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$288.8K
6
35
$71.2K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| HBIO | Chief Financial Officer | 47,500 | $6.08 | $288.8K | $25.0K | 3 | 2026-04-01 |
| Fathom Digital Manufacturing Corp (FATH) Delisted | Chief Financial Officer | 35,351 | $5.05 | $178.5K | $0 | 2 | 2024-04-22 |
| Fathom Digital Manufacturing Corp (FATH.WS) Delisted | Chief Financial Officer | 738,352 | $0.01 | $3.8K | -$6.8K | 7 | 2023-05-11 |
| ANALOGIC CORP (ALOG) Delisted | SVP, CFO & Treasurer | 1,442 | — | — | $0 | 4 | 2016-12-14 |
| ANGIODYNAMICS INC (ANGO.V) Delisted | EVP and CFO | 38,389 | — | — | $0 | 9 | 2015-08-07 |
| ALBANY MOLECULAR RESEARCH INC (AMRI) Delisted | Chief Financial Officer | 62,933 | — | — | $53.0K | 10 | 2012-09-14 |
Recent Filings
35 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-01 | HBIO | Grant (A) | +30,000 | $0 | EDGAR |
| 2026-04-01 | HBIO | Buy (P) | +5,000 | $25.0K | EDGAR |
| 2025-05-14 | HBIO | Grant (A) | +100,000 | $0 | EDGAR |
| 2024-04-22 | Fathom Digital Manufacturing Corp (FATH) Delisted | Tax (F) | −1,369 | -$6.2K | EDGAR |
| 2024-02-27 | Fathom Digital Manufacturing Corp (FATH) Delisted | Tax (F) | −197 | -$857 | EDGAR |
| 2023-05-11 | Fathom Digital Manufacturing Corp (FATH.WS) Delisted | Grant (A) | −235,027 | $0 | EDGAR |
| 2023-03-10 | Fathom Digital Manufacturing Corp (FATH.WS) Delisted | Sell (S) | −5,672 | -$6.8K | EDGAR |
| 2022-12-06 | Fathom Digital Manufacturing Corp (FATH.WS) Delisted | Tax (F) | −63,277 | -$468.9K | EDGAR |
| 2022-06-01 | Fathom Digital Manufacturing Corp (FATH.WS) Delisted | Tax (F) | −43,082 | -$319.2K | EDGAR |
| 2022-04-20 | Fathom Digital Manufacturing Corp (FATH.WS) Delisted | Grant (A) | +33,746 | $0 | EDGAR |