HARVARD BIOSCIENCE INC (HBIO) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Medium Risk

Moderate dilution risk

Last updated: May 12, 2026

Risk Assessment Details

Potential Dilution: 1873.1% of current shares

Recent Dilution: 2.62% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

4.5M

Potential Supply

84M

Additional shares possible

Splits

None

Past 2 years

Summary

HBIO currently has 4.47M outstanding shares. with significant dilution risk as 83.8M authorized shares could dilute existing holders by 1873.1%. The company has minimally diluted shareholders by 2.62% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding	Supply
May 12, 2026	10-Q filing \| 4.5M shares outstanding	4.5M	84M
Mar 13, 2026	10-K filing \| 44.4M shares outstanding	44M	44M
Dec 17, 2025	8-K filing: Harvard Bioscience, Inc. entered into a Loan and Security Agreement, which includes the issuance of warrants to purchase 2,000,000 shares of common stock and a convertible term loan that can be converted into common stock at $1.00 per share.	45M	44M
Nov 06, 2025	10-Q filing \| 44.6M shares outstanding	45M	44M
May 12, 2025	10-Q filing \| 44.1M shares outstanding	44M	44M
Mar 14, 2025	10-K filing \| 43.5M shares outstanding	44M	45M
Dec 06, 2024	S-3 filing: Harvard Bioscience, Inc. may offer shares of its common stock and preferred stock, warrants to purchase any of such securities and units comprised of any such securities with a total value of up to $100,000,000.	44M	45M
Nov 08, 2024	10-Q filing \| 43.6M shares outstanding	44M	0
Aug 08, 2024	10-Q filing \| 43.5M shares outstanding	43M	0
May 07, 2024	10-Q filing \| 43.4M shares outstanding	43M	0
Mar 07, 2024	10-K filing \| 42.4M shares outstanding	42M	0
Nov 07, 2023	10-Q filing \| 42.7M shares outstanding	43M	0
Aug 08, 2023	10-Q filing \| 42.4M shares outstanding	42M	0
Apr 26, 2023	10-Q filing \| 42.1M shares outstanding	42M	0
Mar 09, 2023	10-K filing \| 41.4M shares outstanding	41M	0
Nov 09, 2022	10-Q filing \| 41.6M shares outstanding	42M	0
Aug 04, 2022	10-Q filing \| 41.3M shares outstanding	41M	0
May 04, 2022	10-Q filing \| 41.2M shares outstanding	41M	0
Mar 11, 2022	10-K filing \| 40.3M shares outstanding	40M	0
Nov 05, 2021	10-Q filing \| 40.8M shares outstanding	41M	0
Aug 06, 2021	10-Q filing \| 40.5M shares outstanding	40M	0
May 07, 2021	10-Q filing \| 39.8M shares outstanding	40M	0
Mar 12, 2021	10-K filing \| 38.6M shares outstanding	39M	0
Nov 06, 2020	10-Q filing \| 38.9M shares outstanding	39M	0
Aug 10, 2020	10-Q filing \| 38.5M shares outstanding	38M	0
May 08, 2020	10-Q filing \| 38.3M shares outstanding	38M	0
Mar 16, 2020	10-K filing \| 37.8M shares outstanding	38M	0

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