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$HBIO All transactions

HARVARD BIOSCIENCE INC

▲ BUY
10 / 10

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

Officer

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

Accession No.

0001171843-26-002155

Form Type

4

Issuer CIK

0001123494

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