HARVARD BIOSCIENCE INC

Nasdaq:HBIO

Laboratory Analytical Instruments·HOLLISTON, MA

Harvard Bioscience is a global developer, manufacturer and marketer of life sciences equipment to support research and drug discovery. It is traded on NASDAQ under the stock symbol HBIO.

CEO

Duke John D

CFO

Frost Mark T

Financials

20 shown

Type	Period	Ended	Filed
10-Q	Q3 2025	9/30/25	11/6/25	→
10-Q	Q2 2025	6/30/25	8/11/25	→
10-Q	Q1 2025	3/31/25	5/12/25	→
10-K	FY 2024	12/31/24	3/14/25	→
10-Q	Q3 2024	9/30/24	11/8/24	→
10-Q	Q2 2024	6/30/24	8/8/24	→
↓

Earnings Releases (8-K)

30 shown

Filed	Period
2/10/26	Q1 FY2026	→
11/6/25	Q4 FY2025	→
8/11/25	Q3 FY2025	→
5/12/25	Q2 FY2025	→
3/12/25	Q1 FY2025	→
11/7/24	Q4 FY2024	→
↓

News (8-K)

50 shown

Filed	Type	Description
3/6/26	Reg FD	Submission of Matters to a Vote of Security Holders	→
1/29/26	Reg FD	Costs Associated with Exit or Disposal Activities	→
1/20/26	Other	Amendments to Articles of Incorporation or Bylaws	→
1/12/26	Reg FD	Regulation FD Disclosure	→
12/17/25	Exec Change	Entry into a Material Definitive Agreement	→
12/5/25	Other	Other Events	→
↓

Prospectuses & Registrations

27 shown

Filed	Form	Description
2/9/26	424B3	424B3	→
1/30/26	S-3	S-3	→
4/22/25	ARS	FORM ARS	→
12/6/24	S-3	REGISTRATION STATEMENT	→
4/3/24	ARS	FORM ARS	→
4/7/23	ARS	ARS	→
↓

Filing History(1001 filings)

TypeDateAccessionPeriodSize

8-K

Mar 6, 2026

0001171843-26-001384FORM 8-K

Mar 6, 2026

230.4 KB

SCHEDULE 13G/A

Feb 12, 2026

0001019432-26-000003

—

6.5 KB

8-K

Feb 10, 2026

0001171843-26-000721FORM 8-K

Feb 10, 2026

222.8 KB

EFFECT

Feb 9, 2026

9999999995-26-000490

—

1.7 KB

424B3

Feb 9, 2026

0001171843-26-000702FORM 424B3

—

106.7 KB

DEF 14A

Jan 30, 2026

0001171843-26-000541DEF 14A

Mar 6, 2026

1.2 MB

S-3

Jan 30, 2026

0001171843-26-000539FORM S-3

—

347.8 KB

8-K

Jan 29, 2026

0001171843-26-000516FORM 8-K

Jan 23, 2026

239.5 KB

PRE 14A

Jan 20, 2026

0001171843-26-000345PRE 14A

Jan 20, 2025

1.2 MB

8-K

Jan 20, 2026

0001171843-26-000343FORM 8-K

Jan 19, 2026

204.7 KB

8-K

Jan 12, 2026

0001171843-26-000203FORM 8-K

Jan 12, 2026

3.6 MB

Dec 30, 2025

0001171843-25-008127

Dec 17, 2025

4.6 KB

Dec 30, 2025

0001171843-25-008126

Dec 17, 2025

10.3 KB

8-K

Dec 17, 2025

0001171843-25-007972FORM 8-K

Dec 17, 2025

827.8 KB

8-K

Dec 5, 2025

0001171843-25-007776FORM 8-K

Dec 5, 2025

196.3 KB

10-Q

Nov 6, 2025

0001171843-25-007099FORM 10-Q

Sep 30, 2025

7.4 MB

8-K

Nov 6, 2025

0001171843-25-007071FORM 8-K

Nov 6, 2025

356.3 KB

SCHEDULE 13G/A

Nov 3, 2025

0001019432-25-000028

—

6.5 KB

Oct 7, 2025

0001171843-25-006325

Sep 5, 2025

4.6 KB

Oct 7, 2025

0001171843-25-006324

Sep 5, 2025

6.9 KB

8-K

Oct 3, 2025

0001171843-25-006260FORM 8-K

Oct 2, 2025

212.5 KB

8-K

Sep 9, 2025

0001171843-25-005787FORM 8-K

Sep 5, 2025

239.0 KB

Aug 19, 2025

0001104659-25-080209OWNERSHIP DOCUMENT

Aug 15, 2025

13.4 KB

8-K

Aug 13, 2025

0001171843-25-005377FORM 8-K

Aug 12, 2025

198.2 KB

Aug 11, 2025

0001104659-25-076302OWNERSHIP DOCUMENT

Aug 8, 2025

7.0 KB

25 filings shown

HARVARD BIOSCIENCE INC

Financials

Earnings Releases (8-K)

News (8-K)

Prospectuses & Registrations

Filing History(1001 filings)

Proxies

Ownership

Other Filings

Filed	Form	Description
12/30/25	4	4	→
12/30/25	3	3	→
10/7/25	4	4	→
10/7/25	3	3	→
8/19/25	4	OWNERSHIP DOCUMENT	→
8/11/25	4	OWNERSHIP DOCUMENT	→
↓

Filed	Form	Description
2/12/26	SCHEDULE 13G/A	SCHEDULE 13G/A	→
2/9/26	EFFECT	EFFECT	→
11/3/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
8/7/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
7/17/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
5/30/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
↓