Atara Biotherapeutics, Inc. (ATRA) — Shares Outstanding

Annual figures by fiscal year, from SEC filings.

2013: 12.00M2014: 19.69M2015: 28.46M2016: 28.93M2017: 30.73M2018: 45.95M2019: 56.81M2020: 83.37M2021: 91.67M2022: 95.93M2023: 4.26M2024: 5.86M2025: 7.32M7.32M
2013Shares Outstanding (shares)2025
Fiscal YearShares OutstandingChange YoY
20257.32M+25.0%
20245.86M+37.6%
20234.26M-95.6%
202295.93M+4.6%
202191.67M+10.0%
202083.37M+46.8%
201956.81M+23.6%
201845.95M+49.5%
201730.73M+6.2%
201628.93M+1.7%
201528.46M+44.5%
201419.69M+64.1%
201312.00M