Harvard Bioscience Inc.

HBIO·NASDAQ·$5.68Share Price as of 11/2·$26MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/11/26 10-QQ1 ended 03/31/2605/12/26 10-KFY 202503/13/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report08/11/26 8-KCurrent report08/11/26 8-KCurrent report06/02/26 8-KCurrent report05/12/26 8-KCurrent report05/12/26

Prospectuses and Registrations

S-8Registration of securities for employees06/10/26 424B3Prospectus02/09/26 S-3Shelf registration01/30/26 S-3Shelf registration12/06/24 S-8Registration of securities for employees06/08/22

Proxies

DEF 14ADefinitive proxy04/21/26 DEFA14AAdditional proxy materials04/21/26 DEF 14ADefinitive proxy01/30/26 PRE 14APreliminary proxy01/20/26 DEF 14ADefinitive proxy04/21/25

Ownership

SC 13G/ABeneficial ownership (amended)09/22/26 Form 4Insider transaction06/12/26 Form 4Insider transaction06/11/26 Form 4Insider transaction06/11/26 Form 4Insider transaction06/11/26

Other

SDConflict Minerals disclosure05/27/26 EFFECTRequest for effectiveness02/09/26 CORRESPCorrespondence with the SEC02/05/26 UPLOADLetter from the SEC02/05/26 SDConflict Minerals disclosure05/27/25