Form4insider filings, from the source

Company · CIK 0001604464 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

Atara Biotherapeutics, Inc. · ATRA

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $1.6M · 7sales $54.5M · 197net −$52.9M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesOct 2014Oct 2016Oct 2018Sep 2020Sep 2022Sep 2024Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Feb 17, 2016 SForm 4 →Feb 18, 8:14 pm ESTGad SofferChief Operating Officer5,711$16.77$95,786128,510−4.25% plan?
Feb 16, 2016 MForm 4 →Feb 18, 8:16 pm ESTMatthew K FustDirector1,603——12,286— plan?
Feb 16, 2016 MForm 4 →Feb 18, 8:15 pm ESTCarol Giltner GallagherDirector2,365——95,463— plan?
Feb 16, 2016 MForm 4 →Feb 18, 8:14 pm ESTGad SofferChief Operating Officer13,761——134,221— plan?
Feb 16, 2016 SForm 4 →Feb 18, 8:13 pm ESTChristopher HaqqChief Medical Officer3,208$15.43$49,499295,240−1.07% plan?
Feb 16, 2016 MForm 4 →Feb 18, 8:13 pm ESTChristopher HaqqChief Medical Officer829——298,448— plan?
Feb 16, 2016 SForm 4 →Feb 18, 8:12 pm ESTMitchall G. ClarkChief R & QA Officer4,153$15.35$63,74980,700−4.89% plan?
Feb 16, 2016 MForm 4 →Feb 18, 8:12 pm ESTMitchall G. ClarkChief R & QA Officer7,211——84,853— plan?
Feb 16, 2016 MForm 4 →Feb 18, 8:12 pm ESTIsaac E. CiechanoverChief Executive Officer, Director5,908——217,321— plan?
Feb 16, 2016 SForm 4 →Feb 18, 8:11 pm ESTJohn McGrathChief Financial Officer6,000$15.49$92,94083,714−6.69% plan?
Feb 16, 2016 MForm 4 →Feb 18, 8:11 pm ESTJohn McGrathChief Financial Officer10,501——89,714— plan?
Feb 9, 2016 AForm 4 →Feb 11, 9:53 pm ESTChristopher HaqqChief Medical Officer55,900——297,619— plan?
Feb 9, 2016 AForm 4 →Feb 11, 8:53 pm ESTMitchall G. ClarkChief R & QA Officer42,857——77,642— plan?
Feb 9, 2016 AForm 4 →Feb 11, 8:52 pm ESTHeather D TurnerVP, General Counsel & Sec.48,857——48,857— plan?
Feb 9, 2016 AForm 4 →Feb 11, 8:51 pm ESTGad SofferChief Operating Officer48,447——120,460— plan?
Feb 9, 2016 AForm 4 →Feb 11, 8:49 pm ESTJohn McGrathChief Financial Officer42,857——79,213— plan?
Feb 9, 2016 AForm 4 →Feb 11, 8:48 pm ESTIsaac E. CiechanoverChief Executive Officer, Director163,973——211,413— plan?
Jan 13, 2016 SForm 4 →Jan 15, 4:06 pm ESTIsaac E. CiechanoverChief Executive Officer, Director2,400$20.20$48,468379,211−0.63% plan?
Dec 30, 2015 SForm 4 →Jan 4, 2016, 4:11 pm ESTIsaac E. CiechanoverChief Executive Officer, Director2,400$26.00$62,388381,611−0.62% plan?
Dec 16, 2015 PForm 4 →Dec 17, 7:39 pm ESTEric DobmeierDirector2,500$22.00$55,0002,500— plan?
Dec 16, 2015 JForm 4 →Dec 17, 5:05 pm ESTBeth C SeidenbergDirector7,712——6,689— plan?
Dec 14, 2015 SForm 4 →Dec 16, 5:10 pm ESTIsaac E. CiechanoverChief Executive Officer, Director2,400$22.46$53,908384,011−0.62% plan?
Dec 3, 2015 SForm 4 →Dec 7, 5:15 pm ESTIsaac E. CiechanoverChief Executive Officer, Director4,000$37.45$149,780386,411−1.02% plan?
Nov 30, 2015 SForm 4 →Dec 1, 6:52 pm ESTJohn McGrathChief Financial Officer6,000$40.00$240,00036,356−14.2% plan?
Nov 23, 2015 SForm 4 →Nov 25, 4:04 pm ESTIsaac E. CiechanoverChief Executive Officer, Director4,800$35.03$168,163390,411−1.21% plan?
Nov 17, 2015 SForm 4 →Nov 18, 6:59 pm ESTGad SofferChief Operating Officer7,586$31.22$236,84672,013−9.53% plan?
Nov 17, 2015 SForm 4 →Nov 18, 6:55 pm ESTCarol Giltner GallagherDirector1,184$31.10$36,82293,098−1.26% plan?
Nov 16, 2015 MForm 4 →Nov 18, 6:59 pm ESTGad SofferChief Operating Officer13,762——79,599— plan?
Nov 16, 2015 MForm 4 →Nov 18, 6:58 pm ESTJohn McGrathChief Financial Officer10,502——42,356— plan?
Nov 16, 2015 MForm 4 →Nov 18, 6:56 pm ESTChristopher HaqqChief Medical Officer829——241,719— plan?
Nov 16, 2015 MForm 4 →Nov 18, 6:55 pm ESTCarol Giltner GallagherDirector2,366——94,282— plan?
Nov 16, 2015 MForm 4 →Nov 18, 6:54 pm ESTMatthew K FustDirector1,602——10,683— plan?
Nov 16, 2015 SForm 4 →Nov 18, 6:53 pm ESTMitchall G. ClarkChief R & QA Officer4,153$31.67$131,52634,785−10.7% plan?
Nov 16, 2015 MForm 4 →Nov 18, 6:53 pm ESTMitchall G. ClarkChief R & QA Officer4,808——38,938— plan?
Nov 16, 2015 MForm 4 →Nov 18, 6:52 pm ESTIsaac E. CiechanoverChief Executive Officer, Director5,908——47,440— plan?
Oct 21, 2015 SForm 4 →Oct 23, 7:26 pm EDTIsaac E. CiechanoverChief Executive Officer, Director3,200$25.85$82,726395,211−0.80% plan?
Oct 6, 2015 SForm 4 →Oct 8, 4:21 pm EDTIsaac E. CiechanoverChief Executive Officer, Director4,000$33.08$132,336398,411−0.99% plan?
Sep 23, 2015 SForm 4 →Sep 25, 6:49 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,200$42.99$223,531402,411−1.28% plan?
Sep 17, 2015 JForm 4 →Sep 21, 8:15 pm EDTBeth C SeidenbergDirector395,839——197— plan?
Sep 10, 2015 SForm 4 →Sep 14, 6:59 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,200$46.16$240,045407,611−1.26% plan?
Aug 31, 2015 SForm 4 →Sep 1, 9:40 pm EDTChristopher HaqqChief Medical Officer5,000$41.99$209,961240,890−2.03% plan?
Aug 27, 2015 SForm 4 →Aug 31, 6:52 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,200$39.25$204,086374,982−1.37% plan?
Aug 20, 2015 SForm 4 →Aug 24, 7:09 pm EDTCarol Giltner GallagherDirector17,622$42.34$746,09091,916−16.1% plan?
Aug 18, 2015 SForm 4 →Aug 19, 8:43 pm EDTJohn McGrathChief Financial Officer6,000$49.38$296,28031,854−15.9% plan?
Aug 18, 2015 SForm 4 →Aug 19, 8:42 pm EDTCarol Giltner GallagherDirector11,639$48.78$567,709109,538−9.60% plan?
Aug 17, 2015 MForm 4 →Aug 19, 8:43 pm EDTJohn McGrathChief Financial Officer10,502——37,854— plan?
Aug 17, 2015 MForm 4 →Aug 19, 8:42 pm EDTCarol Giltner GallagherDirector58,521——121,177— plan?
Aug 17, 2015 SForm 4 →Aug 19, 8:37 pm EDTGad SofferChief Operating Officer16,489$49.76$820,52665,837−20.0% plan?
Aug 17, 2015 MForm 4 →Aug 19, 8:37 pm EDTGad SofferChief Operating Officer16,538$11.00$30,55882,326— plan?
Aug 17, 2015 SForm 4 →Aug 19, 8:35 pm EDTMitchall G. ClarkChief R & QA Officer7,829$46.19$361,62234,130−18.7% plan?
Aug 17, 2015 MForm 4 →Aug 19, 8:35 pm EDTMitchall G. ClarkChief R & QA Officer11,375$21.38$37,62841,959— plan?
Aug 17, 2015 SForm 4 →Aug 19, 8:26 pm EDTChristopher HaqqChief Medical Officer1,604$45.91$73,632245,890−0.65% plan?
Aug 17, 2015 MForm 4 →Aug 19, 8:26 pm EDTChristopher HaqqChief Medical Officer829——247,494— plan?
Aug 17, 2015 MForm 4 →Aug 19, 8:25 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,907——41,532— plan?
Aug 17, 2015 MForm 4 →Aug 19, 8:24 pm EDTMatthew K FustDirector1,603——9,081— plan?
Jul 31, 2015 SForm 4 →Aug 3, 5:18 pm EDTChristopher HaqqChief Medical Officer2,500$55.43$138,575246,665−1.00% plan?
Jul 30, 2015 SForm 4 →Aug 3, 5:16 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,200$56.18$292,160380,182−1.35% plan?
Jul 16, 2015 SForm 4 →Jul 20, 8:30 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,200$60.71$315,680385,382−1.33% plan?
Jul 15, 2015 SForm 4 →Jul 15, 9:03 pm EDTChristopher HaqqChief Medical Officer2,500$62.94$157,353249,165−0.99% plan?
Jul 1, 2015 SForm 4 →Jul 2, 6:18 pm EDTChristopher HaqqChief Medical Officer2,500$51.68$129,196251,665−0.98% plan?
Jun 30, 2015 SForm 4 →Jul 2, 6:16 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,200$50.42$262,160390,582−1.31% plan?
Jun 17, 2015 SForm 4 →Jun 19, 7:25 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,200$54.72$284,545395,782−1.30% plan?
Jun 15, 2015 SForm 4 →Jun 16, 8:09 pm EDTJohn McGrathChief Financial Officer10,000$50.00$500,00027,352−26.8% plan?
Jun 15, 2015 SForm 4 →Jun 16, 8:08 pm EDTChristopher HaqqChief Medical Officer7,500$46.42$348,116254,165−2.87% plan?
Jun 4, 2015 SForm 4 →Jun 8, 6:42 pm EDTIsaac E. CiechanoverChief Executive Officer, Director6,400$42.91$274,596400,982−1.57% plan?
Jun 1, 2015 SForm 4 →Jun 1, 5:39 pm EDTChristopher HaqqChief Medical Officer2,500$41.47$103,665261,665−0.95% plan?
May 29, 2015 SForm 4 →Jun 1, 5:37 pm EDTJohn McGrathChief Financial Officer10,000$40.00$400,00037,352−21.1% plan?
May 21, 2015 SForm 4 →May 26, 7:23 pm EDTIsaac E. CiechanoverChief Executive Officer, Director4,000$37.56$150,222407,382−0.97% plan?
May 19, 2015 JForm 4 →May 21, 6:49 pm EDTBeth C SeidenbergDirector, 10% Owner300,000——63,122— plan?
May 19, 2015 JForm 4 →May 21, 6:47 pm EDTKleiner Perkins Caufield & Byers XV, LLC +210% Owner300,000——63,122— plan?
May 15, 2015 GForm 4 →May 26, 7:23 pm EDTIsaac E. CiechanoverChief Executive Officer, Director38,164——411,382— plan? late
May 15, 2015 MForm 4 →May 19, 6:59 pm EDTMatthew K FustDirector7,478——7,478— plan?
May 15, 2015 FMForm 4 →May 19, 6:57 pm EDTChristopher HaqqChief Medical Officer6,309$37.30$70,385264,165— plan?
May 15, 2015 FMForm 4 →May 19, 6:55 pm EDTJohn McGrathChief Financial Officer95,762$37.30$1,134,10747,352— plan?
May 15, 2015 FMForm 4 →May 19, 6:53 pm EDTGad SofferChief Operating Officer151,090$37.30$1,822,14265,788— plan?
May 15, 2015 FMForm 4 →May 19, 6:51 pm EDTMitchall G. ClarkChief R & QA Officer44,316$37.30$487,36230,584— plan?
May 15, 2015 FMForm 4 →May 19, 6:50 pm EDTIsaac E. CiechanoverChief Executive Officer, Director46,309$37.30$552,07754,707— plan?
May 14, 2015 JForm 4 →May 18, 2:19 pm EDTBeth C SeidenbergDirector, 10% Owner266,022——71,822— plan?
May 14, 2015 JForm 4 →May 18, 2:18 pm EDTKleiner Perkins Caufield & Byers XV, LLC +210% Owner200,000——71,822— plan?
Apr 22, 2015 SForm 4 →Apr 24, 4:15 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,200$61.36$319,046392,300−1.31% plan?
Mar 9, 2015 PForm 4 →Mar 11, 4:35 pm EDTJoel S MarcusDirector4,000$29.57$118,2854,000— plan?
Feb 18, 2015 PForm 4 →Feb 18, 5:38 pm ESTCarol Giltner GallagherDirector11,000$18.00$198,00062,656+21.3% plan?
Jan 16, 2015 AForm 4 →Jan 21, 4:45 pm ESTMitchall G. ClarkChief R & QA Officer12,400——12,400— plan?
Jan 16, 2015 AForm 4 →Jan 21, 4:43 pm ESTChristopher HaqqChief Medical Officer12,400——261,630— plan?
Jan 16, 2015 AForm 4 →Jan 21, 4:42 pm ESTJohn McGrathChief Financial Officer12,400——12,400— plan?
Jan 16, 2015 AForm 4 →Jan 21, 4:41 pm ESTGad SofferChief Operating Officer12,400——12,400— plan?
Jan 16, 2015 AForm 4 →Jan 21, 4:39 pm ESTIsaac E. CiechanoverChief Executive Officer, Director38,000——38,000— plan?
Oct 21, 2014 PForm 4/A →Nov 8, 2018, 4:07 pm ESTJoel S MarcusDirector9,090$11.00$99,9909,090— plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 15, 2016 MForm 4 →Aug 17, 7:49 pm EDTMitchall G. ClarkChief R & QA Officer7,211——48,077—
Aug 15, 2016 MForm 4 →Aug 17, 7:48 pm EDTMatthew K FustDirector1,603——10,149—
Aug 15, 2016 MForm 4 →Aug 17, 7:47 pm EDTChristopher HaqqChief Medical Officer829——4,698—
Aug 15, 2016 MForm 4 →Aug 17, 7:46 pm EDTGad SofferChief Operating Officer13,761——23,493—
Aug 15, 2016 MForm 4 →Aug 17, 7:46 pm EDTJohn McGrathChief Financial Officer10,501——43,619—
Aug 15, 2016 MForm 4 →Aug 17, 7:45 pm EDTCarol Giltner GallagherDirector2,366——5,448—
Aug 15, 2016 MForm 4 →Aug 17, 7:43 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,908——33,477—
May 16, 2016 MForm 4 →May 18, 7:11 pm EDTCarol Giltner GallagherDirector2,366——6,266—
May 16, 2016 MForm 4 →May 18, 7:06 pm EDTGad SofferChief Operating Officer13,761——27,638—
May 16, 2016 MForm 4 →May 18, 7:06 pm EDTJohn McGrathChief Financial Officer10,503——51,316—
May 16, 2016 MForm 4 →May 18, 7:05 pm EDTChristopher HaqqChief Medical Officer830——5,527—
May 16, 2016 MForm 4 →May 18, 7:04 pm EDTMatthew K FustDirector1,602——11,752—
May 16, 2016 MForm 4 →May 18, 7:03 pm EDTMitchall G. ClarkChief R & QA Officer7,212——55,288—
May 16, 2016 MForm 4 →May 18, 7:02 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,907——39,385—
Feb 16, 2016 MForm 4 →Feb 18, 8:16 pm ESTMatthew K FustDirector1,603——13,354—
Feb 16, 2016 MForm 4 →Feb 18, 8:15 pm ESTCarol Giltner GallagherDirector2,365——7,083—
Feb 16, 2016 MForm 4 →Feb 18, 8:14 pm ESTGad SofferChief Operating Officer13,761——31,784—
Feb 16, 2016 MForm 4 →Feb 18, 8:13 pm ESTChristopher HaqqChief Medical Officer829——6,357—
Feb 16, 2016 MForm 4 →Feb 18, 8:12 pm ESTMitchall G. ClarkChief R & QA Officer7,211——62,500—
Feb 16, 2016 MForm 4 →Feb 18, 8:12 pm ESTIsaac E. CiechanoverChief Executive Officer, Director5,908——45,292—
Feb 16, 2016 MForm 4 →Feb 18, 8:11 pm ESTJohn McGrathChief Financial Officer10,501——59,014—
Jan 4, 2016 AForm 4 →Jan 5, 6:42 pm ESTBeth C SeidenbergDirector10,500——10,500—
Jan 4, 2016 AForm 4 →Jan 5, 5:42 pm ESTWilliam K HeidenDirector10,500——10,500—
Jan 4, 2016 AForm 4 →Jan 5, 5:41 pm ESTJoel S MarcusDirector10,500——10,500—
Jan 4, 2016 AForm 4 →Jan 5, 5:35 pm ESTMatthew K FustDirector10,500——10,500—
Jan 4, 2016 AForm 4 →Jan 5, 5:34 pm ESTCarol Giltner GallagherDirector10,500——10,500—
Jan 4, 2016 AForm 4 →Jan 5, 5:33 pm ESTEric DobmeierDirector10,500——10,500—
Dec 17, 2015 AForm 4 →Dec 21, 5:10 pm ESTGad SofferChief Operating Officer65,000——65,000—
Dec 17, 2015 AForm 4 →Dec 21, 5:09 pm ESTHeather D TurnerVP, General Counsel & Sec.65,000——65,000—
Dec 17, 2015 AForm 4 →Dec 21, 5:07 pm ESTIsaac E. CiechanoverChief Executive Officer, Director220,000——220,000—
Dec 17, 2015 AForm 4 →Dec 21, 5:06 pm ESTChristopher HaqqChief Medical Officer75,000——75,000—
Dec 17, 2015 AForm 4 →Dec 21, 5:05 pm ESTJohn McGrathChief Financial Officer65,000——65,000—
Dec 17, 2015 AForm 4 →Dec 21, 5:04 pm ESTMitchall G. ClarkChief R & QA Officer65,000——65,000—
Nov 23, 2015 AForm 4 →Nov 25, 6:14 pm ESTWilliam K HeidenDirector15,500——15,500—
Nov 16, 2015 MForm 4 →Nov 18, 6:59 pm ESTGad SofferChief Operating Officer13,762——35,930—
Nov 16, 2015 MForm 4 →Nov 18, 6:58 pm ESTJohn McGrathChief Financial Officer10,502——66,711—
Nov 16, 2015 MForm 4 →Nov 18, 6:56 pm ESTChristopher HaqqChief Medical Officer829——7,186—
Nov 16, 2015 MForm 4 →Nov 18, 6:55 pm ESTCarol Giltner GallagherDirector2,366——7,900—
Nov 16, 2015 MForm 4 →Nov 18, 6:54 pm ESTMatthew K FustDirector1,602——14,957—
Nov 16, 2015 MForm 4 →Nov 18, 6:53 pm ESTMitchall G. ClarkChief R & QA Officer4,808——69,711—
Nov 16, 2015 MForm 4 →Nov 18, 6:52 pm ESTIsaac E. CiechanoverChief Executive Officer, Director5,908——51,200—
Aug 17, 2015 MForm 4 →Aug 19, 8:43 pm EDTJohn McGrathChief Financial Officer10,502——74,408—
Aug 17, 2015 MForm 4 →Aug 19, 8:42 pm EDTCarol Giltner GallagherDirector58,521——8,717—
Aug 17, 2015 MForm 4 →Aug 19, 8:37 pm EDTGad SofferChief Operating Officer16,538——37,222—
Aug 17, 2015 MForm 4 →Aug 19, 8:35 pm EDTMitchall G. ClarkChief R & QA Officer11,375——14,531—
Aug 17, 2015 MForm 4 →Aug 19, 8:26 pm EDTChristopher HaqqChief Medical Officer829——8,015—
Aug 17, 2015 MForm 4 →Aug 19, 8:25 pm EDTIsaac E. CiechanoverChief Executive Officer, Director5,907——57,108—
Aug 17, 2015 MForm 4 →Aug 19, 8:24 pm EDTMatthew K FustDirector1,603——16,559—
Aug 3, 2015 AForm 4 →Mar 4, 2016, 6:59 pm ESTHeather D TurnerVP, General Counsel & Sec.130,000——130,000— late
May 15, 2015 MForm 4 →May 19, 6:59 pm EDTMatthew K FustDirector7,478——18,162—
May 15, 2015 MForm 4 →May 19, 6:57 pm EDTChristopher HaqqChief Medical Officer4,422——8,844—
May 15, 2015 AForm 4 →May 19, 6:55 pm EDTJohn McGrathChief Financial Officer65,357——82,106—
May 15, 2015 AForm 4 →May 19, 6:53 pm EDTGad SofferChief Operating Officer102,239——44,221—
May 15, 2015 MForm 4 →May 19, 6:51 pm EDTMitchall G. ClarkChief R & QA Officer31,250——84,134—
May 15, 2015 MForm 4 →May 19, 6:50 pm EDTIsaac E. CiechanoverChief Executive Officer, Director31,508——63,015—
Mar 26, 2015 AForm 4 →Mar 30, 5:46 pm EDTEric DobmeierDirector25,000——25,000—
Jan 16, 2015 AForm 4 →Jan 21, 5:53 pm ESTJoel S MarcusDirector25,000——25,000—
Jan 16, 2015 MForm 4 →Jan 21, 4:45 pm ESTMitchall G. ClarkChief R & QA Officer41,333——41,333—
Jan 16, 2015 MForm 4 →Jan 21, 4:43 pm ESTChristopher HaqqChief Medical Officer41,333——41,333—
Jan 16, 2015 MForm 4 →Jan 21, 4:42 pm ESTJohn McGrathChief Financial Officer41,333——41,333—
Jan 16, 2015 MForm 4 →Jan 21, 4:41 pm ESTGad SofferChief Operating Officer41,333——41,333—
Jan 16, 2015 AForm 4 →Jan 21, 4:39 pm ESTIsaac E. CiechanoverChief Executive Officer, Director126,667——126,667—
Jan 16, 2015 AForm 4 →Jan 21, 4:38 pm ESTEckard WeberDirector25,000——25,000—
Jan 16, 2015 AForm 4 →Jan 21, 4:37 pm ESTCarol Giltner GallagherDirector12,500——12,500—
Jan 16, 2015 AForm 4 →Jan 21, 4:36 pm ESTMatthew K FustDirector12,500——12,500—
Jan 16, 2015 AForm 4 →Jan 21, 4:34 pm ESTBeth C SeidenbergDirector, 10% Owner25,000——25,000—