Stocks · Technology · Laboratory Analytical Instruments

HARVARD BIOSCIENCE INC

HBIO Clue Score31
United States Fiscal year ends December CIK 0001123494 Results filed 11 Aug 2026

What the insiders did Net selling

By person

23 insiders · 87 transactions
4.2×

John Duke holds only 4.2 times base salary in stock. $873.00K of shares against $203.08K in salary for 2025.

Salary from the company's own proxy. The shares are what John Duke last reported holding, valued at $4.85, the price Common Stock was last bought or sold at on the open market here, on 17 Mar 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Robert E. Gagnon
Director
$2.33K (1)
$2.44M (12) scheduled
−$2.44M
27,556
$133.65K
—
Jeffrey Duchemin
Chief Executive Officer
$60.72K (1)
$1.68M (12) scheduled
−$1.62M
464,528
$2.25M
+35.2%
James W Green
Director
$877.27K (16)
$1.45M (6) scheduled
−$567.92K
3,885,380
$18.84M
+160.9%
Bertrand Loy
Director
$391.89K (14)
—
+$391.89K
125,041
$606.45K
—
George Uveges
Director
—
$263.50K (2)
−$263.50K
142,685
$692.02K
+28.4%
Alan I Edrick
Director
$131.79K (3)
—
+$131.79K
273,911
$1.33M
+978.4%
William Snider
Director
$103.60K (2)
—
+$103.60K
48,556
$235.50K
—
Katherine A. Eade
Director
$98.83K (1)
—
+$98.83K
58,669
$284.54K
—
Thomas W Loewald
Director
$50.52K (1)
—
+$50.52K
295,311
$1.43M
—
Stephen J Denelsky
Director
$48.70K (1)
—
+$48.70K
37,556
$182.15K
—
John D Duke
Chief Executive Officer
$25.05K (1)
—
+$25.05K
180,000
$873.00K
—
Mark T Frost
Chief Financial Officer
$25.00K (1)
—
+$25.00K
47,500
$230.37K
—
David Green
Director
—
$14.71K (2)
−$14.71K
1,460,467
$7.08M
+0.6%
Earl Lewis
Director
$52.56K (4)
$55.87K (1)
−$3.31K
477,050
$2.31M
+14.9%
John F Kennedy
Director
—
—
—
323,344
$1.57M
+46.4%
Michael A. Rossi
Chief Financial Officer
—
—
—
260,540
$1.26M
—
Yong Sun
VP - Commercial Operations
—
—
—
242,805
$1.18M
+117.5%
Jennifer Cote
Chief Financial Officer
—
—
—
159,019
$771.24K
+356.6%
Kenneth Fletcher Olson
Chief Operating Officer
—
—
—
155,595
$754.64K
+4,170%
Kamalam Unninayar
Chief Financial Officer
—
—
—
73,858
$358.21K
—
Susan M. Steele
Director
—
—
—
49,400
$239.59K
—
Yash Singh
Executive Vice President
—
—
—
39,286
$190.54K
—
Seth Benjamin Benson
Director
—
—
—
27,556
$133.65K
—

No percentages here. This company's share count has moved by a factor of 9.8 over the window, from 4,552,305 to 44,719,894 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.