89bio, Inc. (ETNB) - Dilution Analysis
Visualizing historical and potential share dilution over time
Dilution Analysis
Risk Assessment Details
Summary
ETNB currently has 158M outstanding shares. with minimal authorized share overhang for future dilution. The company has significantly diluted shareholders by 51.72% over the past 2 years, indicating aggressive capital raising.
Share Structure Timeline
Historical Data Points
| Date | Event | Outstanding | Supply |
|---|---|---|---|
| Oct 30, 2025 |
POS AM filing: 89bio, Inc. is filing post-effective amendments to deregister any and all securities registered but unsold under the Registration Statements on Form S-3 due to a merger with Roche Holdings, Inc. |
160M | 0 |
| Aug 08, 2025 |
10-Q filing | 157.9M shares outstanding |
160M | 0 |
| May 02, 2025 |
10-Q filing | 146.4M shares outstanding |
150M | 0 |
| Feb 27, 2025 |
10-K filing | 146.0M shares outstanding |
150M | 0 |
| Nov 07, 2024 |
10-Q filing | 107.1M shares outstanding |
110M | 0 |
| Aug 05, 2024 |
10-Q filing | 99.8M shares outstanding |
100M | 0 |
| May 09, 2024 |
10-Q filing | 95.8M shares outstanding |
96M | 0 |
| Mar 01, 2024 |
10-K filing | 93.5M shares outstanding |
94M | 0 |
| Nov 09, 2023 |
10-Q filing | 76.3M shares outstanding |
76M | 0 |
| Aug 09, 2023 |
10-Q filing | 74.1M shares outstanding |
74M | 0 |
| May 08, 2023 |
10-Q filing | 72.9M shares outstanding |
73M | 0 |
| Mar 15, 2023 |
10-K filing | 52.2M shares outstanding |
52M | 10M |
| Feb 10, 2023 |
S-3/A filing: This is an S-3/A filing registering an indeterminate amount of common stock, preferred stock, debt securities, warrants and/or units up to $500,000,000. |
47M | 15M |
| Jan 31, 2023 |
S-3 filing: The company may issue up to $500,000,000 in aggregate principal amount of common stock, preferred stock, debt securities, warrants and/or units. |
47M | 18M |
| Nov 10, 2022 |
10-Q filing | 47.3M shares outstanding |
47M | 0 |
| Aug 11, 2022 |
10-Q filing | 39.1M shares outstanding |
39M | 0 |
| May 12, 2022 |
10-Q filing | 20.4M shares outstanding |
20M | 1.5M |
| Mar 24, 2022 |
10-K filing | 20.4M shares outstanding |
20M | 1.5M |
| Nov 12, 2021 |
10-Q filing | 20.3M shares outstanding |
20M | 1.5M |
| Aug 13, 2021 |
10-Q filing | 20.1M shares outstanding |
20M | 1.7M |
| May 14, 2021 |
10-Q filing | 20.1M shares outstanding |
20M | 1.8M |
| Mar 25, 2021 |
S-3 filing: The filing is for a shelf offering of common stock, preferred stock, debt securities, warrants and/or units up to $250,000,000. Also, includes an ATM offering of common stock up to $75,000,000. |
20M | 1.9M |
| Mar 25, 2021 |
10-K filing | 19.9M shares outstanding |
20M | 1.9M |
| Nov 13, 2020 |
10-Q filing | 19.9M shares outstanding |
20M | 0 |
| Sep 14, 2020 |
S-1 filing: 89bio, Inc. is selling 2,700,000 shares of common stock, and selling stockholders are selling 300,000 shares of common stock in an S-1 filing. |
17M | 2.2M |
| Aug 13, 2020 |
10-Q filing | 16.9M shares outstanding |
17M | 0 |
| Jul 06, 2020 |
S-1 filing: The company is offering 2,200,000 shares of common stock at a price of $27.60 per share. |
14M | 2.2M |
| May 13, 2020 |
10-Q filing | 13.8M shares outstanding |
14M | 0 |
| Mar 18, 2020 |
10-K filing | 13.8M shares outstanding |
14M | 0 |