Atara Biotherapeutics, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Haqq Christopher | Chief Medical Officer | Option Exercise | 830 | — | — | 296,070 | May 16, 2016 |
| Soffer Gad | Chief Operating Officer | Option Exercise | 4,146 | — | — | 142,271 | May 16, 2016 |
| Clark Mitchall G. | Chief R & QA Officer | Sale | 4,153 | $15.15 | $62,918 | 83,759 | May 16, 2016 |
| Fust Matthew K | — | Option Exercise | 1,602 | — | — | 13,888 | May 16, 2016 |
| Ciechanover Isaac E. | Chief Executive Officer | Option Exercise | 5,907 | — | — | 223,228 | May 16, 2016 |
| Gallagher Carol Giltner | — | Sale | 1,184 | $15.96 | $18,897 | 95,462 | May 16, 2016 |
| MCGRATH JOHN | Chief Financial Officer | Sale | 5,395 | $15.77 | $85,079 | 88,822 | May 16, 2016 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 1,200 | $20.12 | $24,144 | 363,611 | Apr 26, 2016 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 1,200 | $20.20 | $24,240 | 364,811 | Apr 11, 2016 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 890 | $20.04 | $17,836 | 378,021 | Mar 31, 2016 |
| DOBMEIER ERIC | — | Purchase | 3,000 | $13.86 | $41,580 | 5,500 | Mar 17, 2016 |
| Gallagher Carol Giltner | — | Option Exercise | 817 | — | — | 95,463 | Feb 17, 2016 |
| MCGRATH JOHN | Chief Financial Officer | Sale | 6,000 | $15.49 | $92,940 | 83,714 | Feb 16, 2016 |
| Soffer Gad | Chief Operating Officer | Option Exercise | 9,615 | — | — | 130,075 | Feb 16, 2016 |
| Clark Mitchall G. | Chief R & QA Officer | Option Exercise | 7,211 | — | — | 84,853 | Feb 16, 2016 |
| Ciechanover Isaac E. | Chief Executive Officer | Option Exercise | 5,908 | — | — | 217,321 | Feb 16, 2016 |
| Haqq Christopher | Chief Medical Officer | Sale | 3,208 | $15.43 | $49,499 | 295,240 | Feb 16, 2016 |
| Fust Matthew K | — | Option Exercise | 1,603 | — | — | 12,286 | Feb 16, 2016 |
| MCGRATH JOHN | Chief Financial Officer | Award / Grant | 42,857 | — | — | 79,213 | Feb 9, 2016 |
| Ciechanover Isaac E. | Chief Executive Officer | Award / Grant | 163,973 | — | — | 211,413 | Feb 9, 2016 |
| Clark Mitchall G. | Chief R & QA Officer | Award / Grant | 42,857 | — | — | 77,642 | Feb 9, 2016 |
| Haqq Christopher | Chief Medical Officer | Award / Grant | 55,900 | — | — | 297,619 | Feb 9, 2016 |
| Turner Heather D | VP, General Counsel & Sec. | Award / Grant | 48,857 | — | — | 48,857 | Feb 9, 2016 |
| Soffer Gad | Chief Operating Officer | Award / Grant | 48,447 | — | — | 120,460 | Feb 9, 2016 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 1,200 | $20.32 | $24,384 | 380,411 | Jan 14, 2016 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 800 | $27.17 | $21,736 | 381,611 | Dec 31, 2015 |
| DOBMEIER ERIC | — | Purchase | 2,500 | $22.00 | $55,000 | 2,500 | Dec 16, 2015 |
| SEIDENBERG BETH C | — | Other | 2,996 | — | — | 6,689 | Dec 16, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 700 | $21.55 | $15,085 | 384,211 | Dec 14, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 700 | $36.21 | $25,347 | 389,711 | Dec 3, 2015 |
| MCGRATH JOHN | Chief Financial Officer | Sale | 6,000 | $40.00 | $240,000 | 36,356 | Nov 30, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 2,800 | $34.74 | $97,272 | 392,411 | Nov 24, 2015 |
| Fust Matthew K | — | Option Exercise | 1,602 | — | — | 10,683 | Nov 16, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Option Exercise | 5,908 | — | — | 47,440 | Nov 16, 2015 |
| Haqq Christopher | Chief Medical Officer | Option Exercise | 829 | — | — | 241,719 | Nov 16, 2015 |
| Clark Mitchall G. | Chief R & QA Officer | Sale | 4,153 | $31.67 | $131,526 | 34,785 | Nov 16, 2015 |
| Soffer Gad | Chief Operating Officer | Sale | 1,644 | $31.69 | $52,098 | 72,013 | Nov 16, 2015 |
| Gallagher Carol Giltner | — | Option Exercise | 1,549 | — | — | 93,465 | Nov 16, 2015 |
| MCGRATH JOHN | Chief Financial Officer | Option Exercise | 7,697 | — | — | 42,356 | Nov 16, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 600 | $28.11 | $16,866 | 396,411 | Oct 21, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 1,100 | $35.26 | $38,786 | 398,611 | Oct 6, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 1,500 | $43.06 | $64,590 | 402,411 | Sep 23, 2015 |
| SEIDENBERG BETH C | — | Other | 291,300 | — | — | 1,822,228 | Sep 17, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 800 | $45.42 | $36,336 | 409,411 | Sep 11, 2015 |
| Haqq Christopher | Chief Medical Officer | Sale | 3,900 | $42.10 | $164,190 | 240,890 | Aug 31, 2015 |
| Ciechanover Isaac E. | Chief Executive Officer | Sale | 1,500 | $38.15 | $57,225 | 378,682 | Aug 27, 2015 |
| Gallagher Carol Giltner | — | Sale | 1,279 | $41.88 | $53,565 | 91,916 | Aug 24, 2015 |
| Gallagher Carol Giltner | — | Option Exercise | 44,871 | — | — | 107,527 | Aug 19, 2015 |
| Fust Matthew K | — | Option Exercise | 1,603 | — | — | 9,081 | Aug 17, 2015 |
| MCGRATH JOHN | Chief Financial Officer | Sale | 6,000 | $49.38 | $296,280 | 31,854 | Aug 17, 2015 |