Harvard Bioscience, Inc. (HBIO)
Nasdaq: HBIO · Laboratory Analytical Instruments · Holliston, MA · filing with the SEC since 2000
Grade2.8
◀ Past 1.6● Present 3.1▶ Future 3.7
Who owns Harvard Bioscience, Inc.
As filed with the SECHolders of 5% or more
3
William Snider holds 16% of Common Stock, par value $0.01 per share, as its SCHEDULE 13D filed Mar 23, 2026 says.
Directors and officers
8
report now, of 24 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
William Snider
SCHEDULE 13D · filed Mar 23, 2026 · Common Stock, par value $0.01 per share
Weber Capital Management, LLC
SCHEDULE 13G/A · filed May 8, 2025 · Common Stock, $0.01 par value · 5.77% in Feb 10, 2025
Leviticus Partners LP
SCHEDULE 13G/A · filed Sep 22, 2026 · Common Stock · 6.5% in May 14, 2026
Harvey Partners, LLC
SCHEDULE 13G/A · filed May 15, 2025 · Common Stock, par value $0.01 per share · reported falling below 5%
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 17, 2025 · Common Stock · reported falling below 5%
Punch & Associates Investment Management, Inc.
SCHEDULE 13G/A · filed Apr 7, 2025 · Common Stock · reported falling below 5%
What HBIO reports owning in othersstakes of 5% or more, and other ties
10 subsidiaries in 6 countries, from the list filed with the 10-K filed Mar 13, 2026.
Insider tradesForm 4
0sales
5purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$200,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 24 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Snider William | director | 0 | $0 | 0 | 2 | $100,000 |
| Duke John D | Chief Executive Officer | 0 | $0 | 0 | 1 | $0 |
| Frost Mark T | Chief Financial Officer | 0 | $0 | 0 | 1 | $0 |
| Denelsky Stephen J | director | 0 | $0 | 0 | 1 | $0 |