| Date | Time | Source | Headline | Symbol | Company |
| 04/29/2024 | 8:45AM | GlobeNewswire Inc. | Harvard Bioscience Schedules First Quarter 2024 Earnings Conference Call for May 7, 2024 at 8:00 AM ET | NASDAQ:HBIO | Harvard Bioscience Inc |
| 04/09/2024 | 9:00AM | GlobeNewswire Inc. | Harvard Bioscience Announces Action to Improve Operational Efficiency and Support Ongoing Investments in Growth | NASDAQ:HBIO | Harvard Bioscience Inc |
| 03/11/2024 | 8:00AM | GlobeNewswire Inc. | Harvard Bioscience, Inc. to Participate in March 2024 Investor Conferences: Sidoti’s Small Cap Conference and KeyBanc’s Life Sciences & MedTech Conference | NASDAQ:HBIO | Harvard Bioscience Inc |
| 03/07/2024 | 5:00PM | Edgar (US Regulatory) | Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405] | NASDAQ:HBIO | Harvard Bioscience Inc |
| 03/07/2024 | 4:04PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NASDAQ:HBIO | Harvard Bioscience Inc |
| 03/07/2024 | 4:03PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NASDAQ:HBIO | Harvard Bioscience Inc |
| 03/07/2024 | 7:00AM | Edgar (US Regulatory) | Form 8-K - Current report | NASDAQ:HBIO | Harvard Bioscience Inc |
| 03/07/2024 | 7:00AM | GlobeNewswire Inc. | Harvard Bioscience Announces Fourth Quarter 2023 Financial Results | NASDAQ:HBIO | Harvard Bioscience Inc |
| 03/06/2024 | 8:30AM | GlobeNewswire Inc. | Harvard Bioscience to Showcase Latest Solutions for Preclinical and Organoid Applications at Society of Toxicology Meeting | NASDAQ:HBIO | Harvard Bioscience Inc |
| 02/27/2024 | 5:10PM | GlobeNewswire Inc. | Harvard Bioscience Schedules Fourth Quarter 2023 Earnings Conference Call for March 7, 2024 at 8:00 AM ET | NASDAQ:HBIO | Harvard Bioscience Inc |
| 02/14/2024 | 4:05PM | Edgar (US Regulatory) | Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] | NASDAQ:HBIO | Harvard Bioscience Inc |
| 02/14/2024 | 9:00AM | Edgar (US Regulatory) | Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] | NASDAQ:HBIO | Harvard Bioscience Inc |
| 02/14/2024 | 8:46AM | Edgar (US Regulatory) | Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] | NASDAQ:HBIO | Harvard Bioscience Inc |
| 01/05/2024 | 5:01PM | Edgar (US Regulatory) | Form 8-K - Current report | NASDAQ:HBIO | Harvard Bioscience Inc |
| 01/03/2024 | 5:18PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NASDAQ:HBIO | Harvard Bioscience Inc |
| 01/03/2024 | 5:17PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NASDAQ:HBIO | Harvard Bioscience Inc |
| 11/20/2023 | 4:40PM | GlobeNewswire Inc. | Harvard Bioscience to Present at Benchmark Company’s Discovery One-On-One Investor Conference on December 7, 2023 | NASDAQ:HBIO | Harvard Bioscience Inc |
| 11/09/2023 | 4:30PM | GlobeNewswire Inc. | Harvard Bioscience to Present at Southwest IDEAS Investor Conference on November 16, 2023 | NASDAQ:HBIO | Harvard Bioscience Inc |
| 11/07/2023 | 4:45PM | Edgar (US Regulatory) | Form 10-Q - Quarterly report [Sections 13 or 15(d)] | NASDAQ:HBIO | Harvard Bioscience Inc |
| 11/07/2023 | 7:00AM | Edgar (US Regulatory) | Form 8-K - Current report | NASDAQ:HBIO | Harvard Bioscience Inc |
| 11/07/2023 | 7:00AM | GlobeNewswire Inc. | Harvard Bioscience Announces Third Quarter 2023 Financial Results | NASDAQ:HBIO | Harvard Bioscience Inc |
| 11/06/2023 | 4:30PM | GlobeNewswire Inc. | Harvard Bioscience to Showcase Latest Innovations in Preclinical and Organoid Research at Society for Neuroscience Conference on November 12-15, 2023 | NASDAQ:HBIO | Harvard Bioscience Inc |
| 10/30/2023 | 9:00AM | GlobeNewswire Inc. | Harvard Bioscience Schedules Third Quarter 2023 Earnings Conference Call for November 7, 2023 at 8:00 AM ET | NASDAQ:HBIO | Harvard Bioscience Inc |
| 09/18/2023 | 8:57AM | GlobeNewswire Inc. | Harvard Bioscience and Etisense Announce Agreement for Supply and Distribution of DECRO Miniature Telemetry Jacket Platform for Pre-Clinical Research | NASDAQ:HBIO | Harvard Bioscience Inc |
| 08/21/2023 | 4:06PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NASDAQ:HBIO | Harvard Bioscience Inc |
| 08/08/2023 | 5:06PM | Edgar (US Regulatory) | Form 10-Q - Quarterly report [Sections 13 or 15(d)] | NASDAQ:HBIO | Harvard Bioscience Inc |
| 08/08/2023 | 9:05AM | Edgar (US Regulatory) | Form 8-K - Current report | NASDAQ:HBIO | Harvard Bioscience Inc |
| 08/08/2023 | 7:18AM | GlobeNewswire Inc. | Harvard Bioscience Announces Second Quarter 2023 Financial Results | NASDAQ:HBIO | Harvard Bioscience Inc |
| 08/03/2023 | 6:30PM | GlobeNewswire Inc. | Harvard Bioscience to Present at Sidoti Virtual Investor Conference on August 16, 2023 | NASDAQ:HBIO | Harvard Bioscience Inc |
| 07/27/2023 | 6:36PM | GlobeNewswire Inc. | Harvard Bioscience Schedules Second Quarter 2023 Earnings Conference Call for August 8, 2023 at 8:00 AM ET | NASDAQ:HBIO | Harvard Bioscience Inc |