SEC Form 4 · accession 0001209191-15-005470
Atara Biotherapeutics, Inc. · ATRA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Christopher Haqq
Officer — Chief Medical Officer
Period of report
Jan 16, 2015
Accepted (ET)
Jan 21, 2015 · 4:43 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001604464
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jan 16, 2015 | A | 12,400 | $0.00 | A | 261,630 | D | |
| Common StockF1 | holding | — | — | — | 20,000 | I | See Footnote |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy)F2 | $25.15 | Jan 16, 2015 | M | 41,333 | A | — | Jan 16, 2022 | Common Stock | 41,333 | 41,333 | D |
Explanation of responses
- F1The shares are held by the Chris Haqq 2014 GRAT, of which the Reporting Person is trustee.
- F21/48th of the shares subject to the stock option vest and become exercisable each month following January 16, 2015.