4//SEC Filing
Clark Mitchall G. 4
Accession 0001209191-18-011669
CIK 0001604464other
Filed
Feb 19, 7:00 PM ET
Accepted
Feb 20, 8:23 PM ET
Size
9.7 KB
Accession
0001209191-18-011669
Insider Transaction Report
Form 4
Clark Mitchall G.
Chief R & QA Officer
Transactions
- Tax Payment
Common Stock
2018-02-15$47.05/sh−3,604$169,568→ 183,520 total - Exercise/Conversion
Restricted Stock Units
2018-02-15−7,211→ 4,808 total→ Common Stock (7,211 underlying) - Exercise/Conversion
Common Stock
2018-02-15+7,211→ 187,124 total
Footnotes (5)
- [F1]Shares issued upon settlement of vested restricted stock units ("RSUs").
- [F2]Shares withheld to cover tax obligation from settlement of vested restricted stock units.
- [F3]Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock or a cash settlement.
- [F4]The RSUs were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. The liquidity event-based condition was satisfied upon the closing of the Issuer's initial public offering (the "IPO"). The shares that vested on the closing date of the IPO, and the shares that vested thereafter through May 15, 2015, were settled on May 15, 2015. The service-based vesting condition provides that 25% of the total number of shares on March 17, 2015 and 1/48th of the total number of shares monthly thereafter, subject to the holder's continuous service through each such date.
- [F5]The earlier of (i) March 27, 2021 or (ii) the recepient's termination date.
Documents
Issuer
Atara Biotherapeutics, Inc.
CIK 0001604464
Entity typeother
Related Parties
1- filerCIK 0001612094
Filing Metadata
- Form type
- 4
- Filed
- Feb 19, 7:00 PM ET
- Accepted
- Feb 20, 8:23 PM ET
- Size
- 9.7 KB