Atara Biotherapeutics, Inc. (ATRA) - Dilution Analysis
Visualizing historical and potential share dilution over time
Dilution Analysis
Risk Assessment Details
Summary
ATRA currently has 8.18M outstanding shares. with significant dilution risk as 174M authorized shares could dilute existing holders by 2130.2%. The company has significantly diluted shareholders by 54.55% over the past 2 years, indicating aggressive capital raising.
Share Structure Timeline
Historical Data Points
| Date | Event | Outstanding | Supply |
|---|---|---|---|
| Mar 17, 2026 |
S-3 filing: This prospectus relates to the resale, from time to time by HCR Molag Fund, L.P., the selling stockholder named in this prospectus, which we refer to as HCR or the selling stockholder, of up to 400,000 shares of our common stock, or the Shares, issuable upon the exercise of a warrant held by the selling stockholder, or the Warrant. |
8.2M | 170M |
| Mar 16, 2026 |
10-K filing | 8.2M shares outstanding |
8.2M | 170M |
| Nov 12, 2025 |
10-Q filing | 7.2M shares outstanding |
7.2M | 170M |
| Aug 11, 2025 |
10-Q filing | 7.0M shares outstanding |
7M | 170M |
| May 15, 2025 |
10-Q filing | 6.0M shares outstanding |
6M | 180M |
| Mar 07, 2025 |
10-K filing | 5.9M shares outstanding |
5.9M | 180M |
| Nov 12, 2024 |
10-Q filing | 5.8M shares outstanding |
5.8M | 180M |
| Aug 12, 2024 |
10-Q filing | 4.9M shares outstanding |
4.9M | 180M |
| May 09, 2024 |
10-Q filing | 120.4M shares outstanding |
120M | 62M |
| Mar 28, 2024 |
10-K filing | 119.4M shares outstanding |
120M | 63M |
| Nov 01, 2023 |
10-Q filing | 106.4M shares outstanding |
110M | 76M |
| Nov 01, 2023 |
S-3 filing: The company may offer and sell up to $400,000,000 of any combination of common stock, preferred stock, debt securities, and rights to purchase common stock, preferred stock, debt securities or units. Additionally, the company will offer common stock at-the-market through Cowen and Company, LLC, or TD Cowen, for up to $100,000,000. |
110M | 77M |
| Aug 08, 2023 |
10-Q filing | 105.1M shares outstanding |
110M | 0 |
| May 08, 2023 |
10-Q filing | 104.0M shares outstanding |
100M | 0 |
| Feb 09, 2023 |
POS AM filing: The company is filing a POS AM to offer and sell up to $375,000,000 of common stock, preferred stock, and debt securities, either individually or in combination with other securities. |
100M | 0 |
| Feb 08, 2023 |
10-K filing | 102.0M shares outstanding |
100M | 0 |
| Nov 08, 2022 |
10-Q filing | 102.4M shares outstanding |
100M | 0 |
| Aug 08, 2022 |
10-Q filing | 101.6M shares outstanding |
100M | 0 |
| May 05, 2022 |
10-Q filing | 93.4M shares outstanding |
93M | 0 |
| Feb 28, 2022 |
10-K filing | 93.1M shares outstanding |
93M | 0 |
| Nov 04, 2021 |
10-Q filing | 88.4M shares outstanding |
88M | 0 |
| Aug 09, 2021 |
10-Q filing | 84.8M shares outstanding |
85M | 0 |
| May 04, 2021 |
10-Q filing | 84.1M shares outstanding |
84M | 0 |
| Mar 01, 2021 |
10-K filing | 83.6M shares outstanding |
84M | 0 |
| Nov 09, 2020 |
10-Q filing | 77.7M shares outstanding |
78M | 0 |
| Aug 05, 2020 |
10-Q filing | 74.3M shares outstanding |
74M | 0 |
| May 06, 2020 |
10-Q filing | 59.0M shares outstanding |
59M | 0 |
| Feb 27, 2020 |
10-K filing | 58.6M shares outstanding |
59M | 0 |