4//SEC Filing
Newell Joe 4
Accession 0001209191-21-020578
CIK 0001604464other
Filed
Mar 14, 8:00 PM ET
Accepted
Mar 15, 7:25 PM ET
Size
11.5 KB
Accession
0001209191-21-020578
Insider Transaction Report
Form 4
Newell Joe
Chief Tech. Operations Officer
Transactions
- Exercise/Conversion
Common Stock
2021-03-15$12.15/sh+3,500$42,525→ 145,219 total - Sale
Common Stock
2021-03-15$17.41/sh−7,000$121,870→ 138,219 total - Exercise/Conversion
Employee Stock Option (Right to Buy)
2021-03-15−2,791→ 43,250 totalExercise: $12.15Exp: 2030-02-28→ Common Stock (2,791 underlying) - Exercise/Conversion
Employee Stock Option (Right to Buy)
2021-03-15−709→ 12,750 totalExercise: $12.15Exp: 2030-02-28→ Common Stock (709 underlying)
Footnotes (3)
- [F1]Transaction pursuant to Rule 10b5-1 Plan adopted September 14, 2020.
- [F2]The price in Column 4 is a weighted average sale price. The prices actually received ranged from $17.01 to $17.59. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
- [F3]1/48th of the shares subject to the stock option vest and become exercisable each month with the initial installment vesting on April 1, 2020, subject to the reporting person's continuous service.
Documents
Issuer
Atara Biotherapeutics, Inc.
CIK 0001604464
Entity typeother
Related Parties
1- filerCIK 0001702457
Filing Metadata
- Form type
- 4
- Filed
- Mar 14, 8:00 PM ET
- Accepted
- Mar 15, 7:25 PM ET
- Size
- 11.5 KB