Form4insider filings, from the source

Insider · CIK 0001612094

Mitchall G. Clark

Files at: ATRA. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $7.1M · 13net −$7.1M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 2015Jan 2016Jul 2016Dec 2016Jun 2017Dec 2017May 2018

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
May 18, 2018 SForm 4 →May 21, 6:32 pm EDTAtara Biotherapeutics, Inc.ATRA25,860$50.03$1,293,776107,972−19.3% plan?
May 16, 2018 SForm 4 →May 16, 8:38 pm EDTAtara Biotherapeutics, Inc.ATRA4,647$46.06$214,026133,832−3.36% plan?
May 15, 2018 MForm 4 →May 16, 8:38 pm EDTAtara Biotherapeutics, Inc.ATRA4,808——138,479— plan?
Mar 29, 2018 SForm 4 →Apr 3, 4:14 pm EDTAtara Biotherapeutics, Inc.ATRA22,400$40.07$897,568133,671−14.4% plan?
Mar 27, 2018 SForm 4 →Mar 28, 8:10 pm EDTAtara Biotherapeutics, Inc.ATRA100,203$37.87$3,795,062156,071−39.1% plan?
Mar 27, 2018 MForm 4 →Mar 28, 8:10 pm EDTAtara Biotherapeutics, Inc.ATRA72,754$21.85$1,589,393256,274— plan?
Feb 15, 2018 FMForm 4 →Feb 20, 8:23 pm ESTAtara Biotherapeutics, Inc.ATRA10,815$47.05$169,568183,520— plan?
Feb 9, 2018 FForm 4 →Feb 12, 8:56 pm ESTAtara Biotherapeutics, Inc.ATRA3,704$41.70$154,457179,913— plan?
Feb 6, 2018 AFForm 4 →Feb 8, 5:43 pm ESTAtara Biotherapeutics, Inc.ATRA29,437$35.80$158,845183,617— plan?
Nov 16, 2017 SForm 4 →Nov 17, 6:26 pm ESTAtara Biotherapeutics, Inc.ATRA3,290$14.20$46,718163,052−1.98% plan?
Nov 15, 2017 MForm 4 →Nov 17, 6:26 pm ESTAtara Biotherapeutics, Inc.ATRA7,212——166,342— plan?
Aug 16, 2017 SForm 4 →Aug 17, 5:34 pm EDTAtara Biotherapeutics, Inc.ATRA3,021$14.33$43,291159,130−1.86% plan?
Aug 15, 2017 MForm 4 →Aug 17, 5:34 pm EDTAtara Biotherapeutics, Inc.ATRA7,211——162,151— plan?
May 16, 2017 SForm 4 →May 17, 4:57 pm EDTAtara Biotherapeutics, Inc.ATRA3,873$15.25$59,063153,000−2.47% plan?
May 15, 2017 MForm 4 →May 17, 4:57 pm EDTAtara Biotherapeutics, Inc.ATRA7,212——156,873— plan?
Feb 16, 2017 SForm 4 →Feb 16, 8:09 pm ESTAtara Biotherapeutics, Inc.ATRA3,059$15.96$48,822149,661−2.00% plan?
Feb 15, 2017 MForm 4 →Feb 16, 8:09 pm ESTAtara Biotherapeutics, Inc.ATRA7,211——152,720— plan?
Feb 6, 2017 AForm 4 →Feb 8, 5:34 pm ESTAtara Biotherapeutics, Inc.ATRA49,500——144,687— plan?
Nov 16, 2016 SForm 4 →Nov 17, 4:28 pm ESTAtara Biotherapeutics, Inc.ATRA2,995$19.53$58,49295,187−3.05% plan?
Nov 15, 2016 MForm 4 →Nov 17, 4:28 pm ESTAtara Biotherapeutics, Inc.ATRA7,212——98,182— plan?
Aug 15, 2016 MForm 4 →Aug 17, 7:49 pm EDTAtara Biotherapeutics, Inc.ATRA7,211——90,970— plan?
May 16, 2016 SForm 4 →May 18, 7:03 pm EDTAtara Biotherapeutics, Inc.ATRA4,153$15.15$62,91883,759−4.72% plan?
May 16, 2016 MForm 4 →May 18, 7:03 pm EDTAtara Biotherapeutics, Inc.ATRA7,212——87,912— plan?
Feb 16, 2016 SForm 4 →Feb 18, 8:12 pm ESTAtara Biotherapeutics, Inc.ATRA4,153$15.35$63,74980,700−4.89% plan?
Feb 16, 2016 MForm 4 →Feb 18, 8:12 pm ESTAtara Biotherapeutics, Inc.ATRA7,211——84,853— plan?
Feb 9, 2016 AForm 4 →Feb 11, 8:53 pm ESTAtara Biotherapeutics, Inc.ATRA42,857——77,642— plan?
Nov 16, 2015 SForm 4 →Nov 18, 6:53 pm ESTAtara Biotherapeutics, Inc.ATRA4,153$31.67$131,52634,785−10.7% plan?
Nov 16, 2015 MForm 4 →Nov 18, 6:53 pm ESTAtara Biotherapeutics, Inc.ATRA4,808——38,938— plan?
Aug 17, 2015 SForm 4 →Aug 19, 8:35 pm EDTAtara Biotherapeutics, Inc.ATRA7,829$46.19$361,62234,130−18.7% plan?
Aug 17, 2015 MForm 4 →Aug 19, 8:35 pm EDTAtara Biotherapeutics, Inc.ATRA11,375$21.38$37,62841,959— plan?
May 15, 2015 FMForm 4 →May 19, 6:51 pm EDTAtara Biotherapeutics, Inc.ATRA44,316$37.30$487,36230,584— plan?
Jan 16, 2015 AForm 4 →Jan 21, 4:45 pm ESTAtara Biotherapeutics, Inc.ATRA12,400——12,400— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
May 15, 2018 MForm 4 →May 16, 8:38 pm EDTAtara Biotherapeutics, Inc.ATRA4,808——0—
Mar 27, 2018 MForm 4 →Mar 28, 8:10 pm EDTAtara Biotherapeutics, Inc.ATRA72,754——3,125—
Feb 15, 2018 MForm 4 →Feb 20, 8:23 pm ESTAtara Biotherapeutics, Inc.ATRA7,211——4,808—
Feb 6, 2018 AForm 4 →Feb 8, 5:43 pm ESTAtara Biotherapeutics, Inc.ATRA50,000——50,000—
Nov 15, 2017 MForm 4 →Nov 17, 6:26 pm ESTAtara Biotherapeutics, Inc.ATRA7,212——12,019—
Aug 15, 2017 MForm 4 →Aug 17, 5:34 pm EDTAtara Biotherapeutics, Inc.ATRA7,211——19,231—
May 15, 2017 MForm 4 →May 17, 4:57 pm EDTAtara Biotherapeutics, Inc.ATRA7,212——26,442—
Feb 15, 2017 MForm 4 →Feb 16, 8:09 pm ESTAtara Biotherapeutics, Inc.ATRA7,211——33,654—
Nov 15, 2016 MForm 4 →Nov 17, 4:28 pm ESTAtara Biotherapeutics, Inc.ATRA7,212——40,865—
Aug 15, 2016 MForm 4 →Aug 17, 7:49 pm EDTAtara Biotherapeutics, Inc.ATRA7,211——48,077—
May 16, 2016 MForm 4 →May 18, 7:03 pm EDTAtara Biotherapeutics, Inc.ATRA7,212——55,288—
Feb 16, 2016 MForm 4 →Feb 18, 8:12 pm ESTAtara Biotherapeutics, Inc.ATRA7,211——62,500—
Dec 17, 2015 AForm 4 →Dec 21, 5:04 pm ESTAtara Biotherapeutics, Inc.ATRA65,000——65,000—
Nov 16, 2015 MForm 4 →Nov 18, 6:53 pm ESTAtara Biotherapeutics, Inc.ATRA4,808——69,711—
Aug 17, 2015 MForm 4 →Aug 19, 8:35 pm EDTAtara Biotherapeutics, Inc.ATRA11,375——14,531—
May 15, 2015 MForm 4 →May 19, 6:51 pm EDTAtara Biotherapeutics, Inc.ATRA31,250——84,134—
Jan 16, 2015 MForm 4 →Jan 21, 4:45 pm ESTAtara Biotherapeutics, Inc.ATRA41,333——41,333—