John D. Duke - 08 Aug 2025 Form 4 Insider Report for HARVARD BIOSCIENCE INC (HBIO)

Role
Chief Executive Officer, Director
Signature
/s/ John D Duke
Issuer symbol
HBIO
Transactions as of
08 Aug 2025
Net transactions value
$0
Form type
4
Filing time
11 Aug 2025, 21:09:51 UTC
Previous filing
09 Jun 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Duke John D Chief Executive Officer, Director C/O HARVARD BIOSCIENCE, INC., 84 OCTOBER HILL ROAD, HOLLISTON /s/ John D Duke 11 Aug 2025 0002071593

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction HBIO Common Stock Award $0 +500,000 $0.000000 500,000 08 Aug 2025 Direct F1
transaction HBIO Common Stock Award $0 +500,000 +100% $0.000000 1,000,000 08 Aug 2025 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents an award of 500,000 restricted stock units (RSUs) that will vest in three equal installments on August 8, 2026, 2027 and 2028, subject to the terms set forth in an award agreement between the Issuer and the Reporting Person.
F2 Represents an award of 500,000 RSUs with performance based vesting conditions. These RSUs will vest upon the achievement of a relative total shareholder return of the Issuer's common stock during the period from August 8, 2025 to the earlier of (i) July 30, 2028, and (ii) the date of a change of control, measured relative to the Russell2000 index, subject to the terms set forth in an award agreement between the Issuer and the Reporting Person. The target number of these RSUs that may be earned is reported above; the maximum amount is 150% of the number reported.
F3 Includes the awards described in footnotes (1) and (2) above.