Form 4 for HBIO HARVARD BIOSCIENCE INC
Accepted 2026-04-01 09:44:14 ET · period of report 2026-03-16 · accession 0001171843-26-002155 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-01 09:44 | 2026-03-16 | HBIO | Frost Mark T | CFO | P - Purchase | $5.00 | +5,000 | 17.5K | +40% | +$25.0K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-16 | P | A | 5,000 | $5.00 | 17,500 | D | — | — | (F1) 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. (F2) 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. |