Conviction
$ Value
$25K
Shares
5,000
Price
$5
Filed
Apr 1
▶ Why this score? (10/10)
- ✓ Open market buy (+3)
- ✓ % of holdings >= 20% (+2)
- ✓ C-suite insider (+2)
- ✓ Cluster: 3 insiders buying (+2)
- ✓ Not a 10b5-1 plan (+1)
Insider
Name
Frost Mark T
Title
Chief Financial Officer
CIK
0001310262
Roles
Transaction Details
Transaction Date
2026-03-16
Code
P
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
17,500
Footnotes
Includes (a) 5,000 shares of common stock purchased on March 16, 2026, (b) 10,000 restricted stock units that will vest on May 12, 2026, and (c) 2,500 shares of common stock beneficially owned by the Reporting Person. | On March 13, 2026, the common stock of Harvard Bioscience, Inc. underwent a reverse stock split in a ratio of 10-for-1. The 10,000 restricted stock units referenced in Footnote 1(b) were previously reported as covering 100,000 restricted stock units and the 2,500 shares of common stock referenced in Footnote 1(c) were previously reported as covering 25,000 shares of common stock. These numbers have been adjusted to reflect the stock split that occurred on March 13, 2026.
Filing Info
Frost Mark T's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-03-20 | HBIO | A | $0 |
| 2026-03-16 | HBIO | ▲ | $25K ★ |
| 2025-05-12 | HBIO | A | $0 |
Other Insiders at HBIO (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| Snider William | $104K | — | 2026-03-17 |
| DENELSKY STEPHEN J | $49K | — | 2026-03-17 |
|
Duke John D
Chief Executive Officer
|
$25K | — | 2026-03-20 |
|
Frost Mark T
Chief Financial Officer
|
— | — | 2026-03-20 |