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$HBIO All transactions

HARVARD BIOSCIENCE INC

▲ BUY
9 / 10

Conviction

$ Value

$49K

Shares

10,000

Price

$5

Filed

Mar 18

Why this score? (9/10)
  • Open market buy (+3)
  • % of holdings >= 20% (+2)
  • Director (+1)
  • Cluster: 4 insiders buying (+2)
  • Not a 10b5-1 plan (+1)

Insider

Name

DENELSKY STEPHEN J

Title

CIK

0001204320

Roles

Director

Transaction Details

Transaction Date

2026-03-17

Code

P

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

21,000

Footnotes

Includes (a) 10,000 shares of common stock purchased on March 17, 2026 and (b) 11,000 restricted stock units that fully vest on September 5, 2026. | On March 13, 2026, the common stock of Harvard Bioscience, Inc. underwent a reverse stock split in a ratio of 10-for-1. The 11,000 restricted stock units referenced in Footnote 1(b) were previously reported as covering 110,000 restricted stock units. These numbers have been adjusted to reflect the stock split that occurred on March 13, 2026.

Filing Info

Accession No.

0001171843-26-001732

Form Type

4

Issuer CIK

0001123494

DENELSKY STEPHEN J's History

Date Ticker Type Value
2026-03-17 HBIO $49K
2025-09-05 HBIO A $0

Other Insiders at HBIO (90d)

Insider Bought Sold Last
Snider William $104K 2026-03-17
Duke John D
Chief Executive Officer
$25K 2026-03-20
Frost Mark T
Chief Financial Officer
$25K 2026-03-20