Form4insider filings, from the source

Insider · CIK 0001480111

Stephen K Doberstein

Files at: FBRX, NKTR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $30.6M · 15net −$30.6M
$10k$10k$1M$1M$100M$100MbuyssalesFeb 2016Aug 2016Feb 2017Aug 2017Feb 2018Aug 2018Feb 2019

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Feb 19, 2019 SForm 4 →Feb 21, 8:13 pm ESTNEKTAR THERAPEUTICSNKTR3,310$42.39$140,31199,374−3.22% plan?
Dec 14, 2018 AForm 4 →Dec 18, 6:10 pm ESTNEKTAR THERAPEUTICSNKTR23,950——102,684— plan?
Nov 16, 2018 SForm 4 →Nov 19, 6:11 pm ESTNEKTAR THERAPEUTICSNKTR4,524$38.25$173,04378,734−5.43% plan?
Aug 15, 2018 ADForm 4 →Aug 16, 9:43 pm EDTNEKTAR THERAPEUTICSNKTR32,701$58.40$391,33883,258— plan?
May 16, 2018 SForm 4 →May 18, 7:01 pm EDTNEKTAR THERAPEUTICSNKTR3,435$83.39$286,44563,959−5.10% plan?
Apr 6, 2018 SForm 4 →Apr 9, 8:21 pm EDTNEKTAR THERAPEUTICSNKTR160,000$93.06$14,890,18067,394−70.4% plan?
Apr 6, 2018 MForm 4 →Apr 9, 8:21 pm EDTNEKTAR THERAPEUTICSNKTR160,000$8.52$1,362,400116,894— plan?
Feb 16, 2018 SForm 4 →Feb 20, 7:07 pm ESTNEKTAR THERAPEUTICSNKTR2,426$82.94$201,21267,394−3.47% plan?
Dec 15, 2017 AForm 4 →Dec 19, 6:25 pm ESTNEKTAR THERAPEUTICSNKTR26,000——69,820— plan?
Nov 15, 2017 ADForm 4 →Nov 17, 6:03 pm ESTNEKTAR THERAPEUTICSNKTR22,282$44.23$211,50843,820— plan?
Nov 6, 2017 SForm 4 →Nov 8, 6:01 pm ESTNEKTAR THERAPEUTICSNKTR396,323$29.00$11,493,47631,102−92.7% plan?
Nov 6, 2017 MForm 4 →Nov 8, 6:01 pm ESTNEKTAR THERAPEUTICSNKTR396,323$9.53$3,776,958331,102— plan?
Oct 5, 2017 SForm 4 →Oct 10, 6:06 pm EDTNEKTAR THERAPEUTICSNKTR43,677$24.97$1,090,61531,102−58.4% plan? late
Oct 5, 2017 MForm 4 →Oct 10, 6:06 pm EDTNEKTAR THERAPEUTICSNKTR43,677$9.53$416,24274,779— plan? late
Aug 16, 2017 SForm 4 →Aug 18, 7:01 pm EDTNEKTAR THERAPEUTICSNKTR1,701$19.32$32,86331,102−5.19% plan?
May 16, 2017 SForm 4 →May 18, 8:45 pm EDTNEKTAR THERAPEUTICSNKTR1,701$19.55$33,25532,803−4.93% plan?
Apr 5, 2017 SForm 4 →Apr 7, 6:07 pm EDTNEKTAR THERAPEUTICSNKTR100,000$21.70$2,170,00034,504−74.3% plan?
Apr 5, 2017 MForm 4 →Apr 7, 6:07 pm EDTNEKTAR THERAPEUTICSNKTR100,000$9.53$953,000134,504— plan?
Feb 16, 2017 SForm 4 →Feb 17, 8:02 pm ESTNEKTAR THERAPEUTICSNKTR1,261$13.14$16,57034,504−3.53% plan?
Dec 13, 2016 AForm 4 →Dec 15, 8:42 pm ESTNEKTAR THERAPEUTICSNKTR17,500——35,765— plan?
Nov 16, 2016 SForm 4 →Nov 18, 6:07 pm ESTNEKTAR THERAPEUTICSNKTR670$13.96$9,35318,265−3.54% plan?
Aug 16, 2016 SForm 4 →Aug 17, 5:37 pm EDTNEKTAR THERAPEUTICSNKTR1,336$17.56$23,46018,935−6.59% plan?
Jul 14, 2016 AForm 4 →Jul 18, 5:04 pm EDTNEKTAR THERAPEUTICSNKTR10,500——11,521— plan?
May 17, 2016 SForm 4 →May 18, 5:15 pm EDTNEKTAR THERAPEUTICSNKTR339$13.58$4,6041,021−24.9% plan?
May 16, 2016 MForm 4 →May 18, 5:15 pm EDTNEKTAR THERAPEUTICSNKTR875$0.0001$01,360— plan?
Feb 17, 2016 SForm 4 →Feb 18, 7:47 pm ESTNEKTAR THERAPEUTICSNKTR390$11.92$4,649485−44.6% plan?
Feb 16, 2016 MForm 4 →Feb 18, 7:47 pm ESTNEKTAR THERAPEUTICSNKTR875$0.0001$0875— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 27, 2026 DForm 4 →Aug 27, 4:30 pm EDTForte Biosciences, Inc.FBRX55,353——0—
Dec 14, 2018 AForm 4 →Dec 18, 6:10 pm ESTNEKTAR THERAPEUTICSNKTR48,400——48,400—
Aug 15, 2018 AForm 4 →Aug 16, 9:43 pm EDTNEKTAR THERAPEUTICSNKTR65,000——65,000—
Apr 6, 2018 MForm 4 →Apr 9, 8:21 pm EDTNEKTAR THERAPEUTICSNKTR160,000——0—
Dec 15, 2017 AForm 4 →Dec 19, 6:25 pm ESTNEKTAR THERAPEUTICSNKTR65,000——65,000—
Nov 15, 2017 AForm 4 →Nov 17, 6:03 pm ESTNEKTAR THERAPEUTICSNKTR43,750——43,750—
Nov 6, 2017 MForm 4 →Nov 8, 6:01 pm ESTNEKTAR THERAPEUTICSNKTR396,323——0—
Oct 5, 2017 MForm 4 →Oct 10, 6:06 pm EDTNEKTAR THERAPEUTICSNKTR43,677——396,323— late
Apr 5, 2017 MForm 4 →Apr 7, 6:07 pm EDTNEKTAR THERAPEUTICSNKTR100,000——440,000—
Dec 13, 2016 AForm 4 →Dec 15, 8:42 pm ESTNEKTAR THERAPEUTICSNKTR43,750——43,750—
Jul 14, 2016 AForm 4 →Jul 18, 5:04 pm EDTNEKTAR THERAPEUTICSNKTR58,750——8,750—
May 16, 2016 DForm 4 →May 18, 5:15 pm EDTNEKTAR THERAPEUTICSNKTR875——8,750—
Feb 16, 2016 DForm 4 →Feb 18, 7:47 pm ESTNEKTAR THERAPEUTICSNKTR875——9,625—
Dec 15, 2015 AForm 4/A →Jan 15, 2016, 4:41 pm ESTNEKTAR THERAPEUTICSNKTR19,250——8,750—
Dec 15, 2015 AForm 4 →Dec 17, 6:42 pm ESTNEKTAR THERAPEUTICSNKTR19,250——10,500— amended