SEC Form 4 · accession 0001209191-15-071725
Atara Biotherapeutics, Inc. · ATRA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Beth C Seidenberg
Director
Period of report
Sep 17, 2015
Accepted (ET)
Sep 21, 2015 · 8:15 pm EDT
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 | Sep 17, 2015 | J | 291,300 | $0.00 | D | 1,822,228 | I | See Footnote |
| Common StockF3,F4 | Sep 17, 2015 | J | 8,700 | $0.00 | D | 54,422 | I | See Footnote |
| Common StockF1,F5 | Sep 17, 2015 | J | 48,234 | $0.00 | A | 48,234 | I | See Footnote |
| Common StockF6,F5 | Sep 17, 2015 | J | 43,518 | $0.00 | D | 4,716 | I | See Footnote |
| Common StockF6 | Sep 17, 2015 | J | 3,693 | $0.00 | A | 3,693 | D | |
| Common StockF6,F7 | Sep 17, 2015 | J | 197 | $0.00 | A | 197 | I | See Footnote |
| Common StockF6,F8 | Sep 17, 2015 | J | 197 | $0.00 | A | 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 Kleiner Perkins Caufield & Byers XV, LLC ("KPCB XV") pursuant to the terms of its operating agreement.
- F2The shares are directly held by KPCB XV. All shares are held for convenience in the name of "KPCB Holdings, Inc., as nominee". The managing member of KPCB XV is KPCB XV Associates, LLC ("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.
- F3Pro rata distribution to the members of KPCB Founders Fund, LLC ("KPCB XV FF") pursuant to the terms of its operating agreement.
- F4The shares are directly held by 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 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.
- F6Pro rata distribution to the members of XV Associates pursuant to the terms of its operating agreement.
- F7Shares held by the Michael J. Seidenberg Irrevocable Trust, established July 1, 2013, of which the Reporting Person is a trustee.
- F8Shares held by the Samuel B. Seidenberg Irrevocable Trust, established July 1, 2013, of which the Reporting Person is a trustee.