Warrant
Issued 2019
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
ATRA$8.62+1.65%
Atara Biotherapeutics, Inc.
Sector: Biological Products, (No Diagnostic Substances)Industry: BiotechnologyCountry: USExchange: Nasdaq
Mkt Cap:$87.42M
Float & O/S:
Inst Own:
DilutionScan read 53 of Atara Biotherapeutics, Inc.'s SEC filings and found 7 warrant series, 2 ATM programs, 2 shelf registrations and 3 completed offerings on file for ATRA. The latest dilution event on file is an offering on Sep 4, 2026. Analysis updated Nov 2, 2026.
Signal8 Summary
Raise routes on file: active ATM + effective shelf · latest dilution event 60 days ago
Overall Risk
Offering Ability
Overhead Supply
Historical
Cash Need
AI dilution summary
The dominant contractual driver and its mechanism, then each further driver ranked.
Latest dilution event
Sep 4, 2026 · Offering
Every warrant, convertible, ATM and shelf, cited to the filing
A free account reads 3 tickers a day in full
$59/mo with 7 days free, or $49/mo billed yearly ($588/yr)
Share count and cash history
Shares outstanding, potential dilution and cash over time
Expired
Warrant
Issued 2020
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
Warrant
Issued 2020
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
January 2024 pre-funded warrants (registered direct offering)
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
September 2024 pre-funded warrants (registered direct offering)
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
Warrant
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
ATM program
Issued 2023
Total capacity
Sold to date
Remaining capacity
- Sales agent
- Agreement date
- Commission
ATM program
Issued 2021
Total capacity
Sold to date
Remaining capacity
- Sales agent
- Agreement date
- Commission
S-3 shelf registration
Issued 2023
Total capacity
Remaining
- Filed
- Effective
- Expires
- Baby shelf
S-3 shelf registration
Issued 2026
Total capacity
Remaining
- Filed
- Effective
- Expires
- Baby shelf
ATM block sale
Gross proceeds
Price per share
- Shares issued
- Warrant coverage
- Placement agent
ATM block sale
Issued 2026
Gross proceeds
Price per share
- Shares issued
- Warrant coverage
- Placement agent
Offering
Gross proceeds
Price per share
- Shares issued
- Warrant coverage
- Placement agent
Know who's about to sell into your ATRA trade
Exercise prices, conversion terms, shelf headroom and the filing sentence behind every number.
$59/mo with 7 days free, or $49/mo billed yearly ($588/yr)
