SEC Form 4 · accession 0001209191-15-085834
Atara Biotherapeutics, Inc. · ATRA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Beth C Seidenberg
Director
Period of report
Dec 16, 2015
Accepted (ET)
Dec 17, 2015 · 5:05 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 StockF1,F2 | Dec 16, 2015 | J | 4,716 | $0.00 | D | 4,716 | I | See Footnote |
| Common StockF1 | Dec 16, 2015 | J | 2,996 | $0.00 | A | 6,689 | D | |
| Common StockF3 | holding | — | — | — | 1,822,228 | I | See Footnote | |
| Common StockF4 | holding | — | — | — | 54,422 | I | See Footnote | |
| Common StockF5 | holding | — | — | — | 197 | I | See Footnote | |
| Common StockF6 | holding | — | — | — | 197 | I | See Footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Pro rata distribution to the members of KPCB XV Associates, LLC ("XV Associates") pursuant to the terms of its operating agreement.
- F2Shares held by XV Associates. The Reporting Person is a managing member of XV Associates. The voting and dispositive control over the shares is shared by individual managing members of XV Associates, none of whom has veto power.
- F3The shares are directly held by Kleiner Perkins Caufield & Byers XV, LLC ("KPCB XV"). All shares are held for convenience in the name of "KPCB Holdings, Inc., as nominee". The managing member of KPCB XV is XV Associates. The voting and dispositive control over the shares is shared by individual managing members of XV Associates, none of whom has veto power.
- F4The shares are directly held by KPCB XV Founders Fund, LLC ("KPCB XV FF"). All shares are held for convenience in the name of "KPCB Holdings, Inc., as nominee". The managing member of KPCB XV FF is XV Associates. The voting and dispositive control over the shares is shared by individual managing members of XV Associates, none of whom has veto power.
- F5Shares held by the Michael J. Seidenberg Irrevocable Trust, established July 1, 2013, of which the Reporting Person is a trustee.
- F6Shares held by the Samuel B. Seidenberg Irrevocable Trust, established July 1, 2013, of which the Reporting Person is a trustee.