Form4insider filings, from the source

Insider · CIK 0001206869

Howard W Robin

Files at: NKTR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $62.3M · 33net −$62.3M
$10k$10k$1M$1M$100M$100MbuyssalesJul 2015May 2017Mar 2019Jan 2021Dec 2022Oct 2024Aug 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 SForm 4 →Aug 20, 7:03 pm EDTNEKTAR THERAPEUTICSNKTR418$71.98$30,08854,627−0.76%
Jun 16, 2026 SForm 4 →Jun 18, 7:08 pm EDTNEKTAR THERAPEUTICSNKTR20,000$60.75$1,215,05655,045−26.7%10b5-1
Feb 19, 2019 SForm 4 →Feb 21, 8:16 pm ESTNEKTAR THERAPEUTICSNKTR108,882$42.19$4,594,176308,709−26.1% plan?
Feb 19, 2019 MForm 4 →Feb 21, 8:16 pm ESTNEKTAR THERAPEUTICSNKTR100,000$7.21$721,000342,042— plan?
Dec 14, 2018 AForm 4 →Dec 18, 6:13 pm ESTNEKTAR THERAPEUTICSNKTR68,450——317,591— plan?
Nov 16, 2018 SForm 4 →Nov 19, 6:14 pm ESTNEKTAR THERAPEUTICSNKTR15,326$38.25$586,220249,141−5.80% plan?
Aug 14, 2018 ADForm 4 →Aug 16, 9:44 pm EDTNEKTAR THERAPEUTICSNKTR160,889$40.06$4,021,518264,467— plan?
Jun 25, 2018 SForm 4 →Jun 27, 7:42 pm EDTNEKTAR THERAPEUTICSNKTR130,000$49.52$6,438,036224,356−36.7% plan?
Jun 25, 2018 MForm 4 →Jun 27, 7:42 pm EDTNEKTAR THERAPEUTICSNKTR130,000$10.69$1,389,700267,689— plan?
May 16, 2018 SForm 4 →May 18, 7:06 pm EDTNEKTAR THERAPEUTICSNKTR12,791$83.39$1,066,641224,356−5.39% plan?
May 1, 2018 SForm 4 →May 3, 8:42 pm EDTNEKTAR THERAPEUTICSNKTR130,000$84.05$10,926,066237,147−35.4% plan?
May 1, 2018 MForm 4 →May 3, 8:42 pm EDTNEKTAR THERAPEUTICSNKTR130,000$10.69$1,389,700280,480— plan?
Feb 16, 2018 SForm 4 →Feb 20, 7:10 pm ESTNEKTAR THERAPEUTICSNKTR12,788$82.94$1,060,637237,147−5.12% plan?
Jan 22, 2018 SForm 4 →Jan 24, 6:01 pm ESTNEKTAR THERAPEUTICSNKTR83,333$75.82$6,318,308249,935−25.0% plan?
Jan 22, 2018 MForm 4 →Jan 24, 6:01 pm ESTNEKTAR THERAPEUTICSNKTR83,333$11.34$944,996333,268— plan?
Dec 15, 2017 AForm 4 →Dec 19, 6:29 pm ESTNEKTAR THERAPEUTICSNKTR60,500——249,935— plan?
Dec 13, 2017 SForm 4 →Dec 15, 6:00 pm ESTNEKTAR THERAPEUTICSNKTR83,333$55.69$4,640,815189,435−30.6% plan?
Dec 13, 2017 MForm 4 →Dec 15, 6:00 pm ESTNEKTAR THERAPEUTICSNKTR83,333$11.34$944,996272,768— plan?
Nov 15, 2017 ADForm 4 →Nov 17, 6:06 pm ESTNEKTAR THERAPEUTICSNKTR73,069$44.23$799,192189,435— plan?
Nov 1, 2017 SForm 4 →Nov 3, 6:07 pm EDTNEKTAR THERAPEUTICSNKTR83,334$23.57$1,964,182152,504−35.3% plan?
Nov 1, 2017 MForm 4 →Nov 3, 6:07 pm EDTNEKTAR THERAPEUTICSNKTR83,334$11.34$945,008235,838— plan?
Oct 9, 2017 SForm 4 →Oct 10, 6:08 pm EDTNEKTAR THERAPEUTICSNKTR83,333$24.20$2,016,659152,504−35.3% plan?
Oct 9, 2017 MForm 4 →Oct 10, 6:08 pm EDTNEKTAR THERAPEUTICSNKTR83,333$11.34$944,996235,837— plan?
Sep 6, 2017 SForm 4 →Sep 8, 6:08 pm EDTNEKTAR THERAPEUTICSNKTR83,333$21.54$1,794,993152,504−35.3% plan?
Sep 6, 2017 MForm 4 →Sep 8, 6:08 pm EDTNEKTAR THERAPEUTICSNKTR83,333$11.34$944,996235,837— plan?
Aug 16, 2017 MForm 4 →Aug 18, 7:05 pm EDTNEKTAR THERAPEUTICSNKTR83,334$11.34$945,008235,838— plan?
Aug 16, 2017 SForm 4 →Aug 18, 7:05 pm EDTNEKTAR THERAPEUTICSNKTR91,714$19.26$1,766,081152,504−37.6% plan?
May 16, 2017 SForm 4 →May 18, 8:50 pm EDTNEKTAR THERAPEUTICSNKTR8,388$19.55$163,985160,884−4.96% plan?
Feb 16, 2017 SForm 4 →Feb 17, 8:06 pm ESTNEKTAR THERAPEUTICSNKTR8,636$13.14$113,477169,272−4.85% plan?
Feb 8, 2017 SForm 4 →Feb 10, 8:10 pm ESTNEKTAR THERAPEUTICSNKTR87,500$13.04$1,141,000177,908−33.0% plan?
Feb 8, 2017 MForm 4 →Feb 10, 8:10 pm ESTNEKTAR THERAPEUTICSNKTR87,500$4.65$406,875265,408— plan?
Jan 17, 2017 SForm 4 →Jan 19, 8:01 pm ESTNEKTAR THERAPEUTICSNKTR87,500$12.35$1,080,625177,908−33.0% plan?
Jan 17, 2017 MForm 4 →Jan 19, 8:01 pm ESTNEKTAR THERAPEUTICSNKTR87,500$4.65$406,875265,408— plan?
Dec 13, 2016 AForm 4 →Dec 15, 8:46 pm ESTNEKTAR THERAPEUTICSNKTR55,000——177,908— plan?
Dec 7, 2016 SForm 4 →Dec 9, 6:03 pm ESTNEKTAR THERAPEUTICSNKTR87,500$12.24$1,071,000122,908−41.6% plan?
Dec 7, 2016 MForm 4 →Dec 9, 6:03 pm ESTNEKTAR THERAPEUTICSNKTR87,500$4.65$406,875210,408— plan?
Nov 17, 2016 MForm 4 →Nov 18, 6:12 pm ESTNEKTAR THERAPEUTICSNKTR87,500$4.65$406,875210,408— plan?
Nov 16, 2016 SForm 4 →Nov 18, 6:12 pm ESTNEKTAR THERAPEUTICSNKTR93,458$13.88$1,296,799122,908−43.2% plan?
Oct 4, 2016 SForm 4 →Oct 6, 5:07 pm EDTNEKTAR THERAPEUTICSNKTR87,500$17.06$1,492,750128,866−40.4% plan?
Oct 4, 2016 MForm 4 →Oct 6, 5:07 pm EDTNEKTAR THERAPEUTICSNKTR87,500$4.65$406,875216,366— plan?
Sep 1, 2016 SForm 4 →Sep 2, 8:03 pm EDTNEKTAR THERAPEUTICSNKTR87,500$17.83$1,560,125128,886−40.4% plan?
Sep 1, 2016 MForm 4 →Sep 2, 8:03 pm EDTNEKTAR THERAPEUTICSNKTR87,500$4.65$406,875216,366— plan?
Aug 16, 2016 SForm 4 →Aug 17, 5:41 pm EDTNEKTAR THERAPEUTICSNKTR11,817$17.56$207,507128,866−8.40% plan?
Jul 14, 2016 AForm 4 →Jul 18, 5:09 pm EDTNEKTAR THERAPEUTICSNKTR67,500——84,843— plan?
May 17, 2016 SForm 4 →May 18, 5:23 pm EDTNEKTAR THERAPEUTICSNKTR2,170$13.58$29,46916,933−11.4% plan?
May 16, 2016 MForm 4 →May 18, 5:23 pm EDTNEKTAR THERAPEUTICSNKTR5,625$0.0001$119,103— plan?
Feb 17, 2016 SForm 4 →Feb 18, 7:48 pm ESTNEKTAR THERAPEUTICSNKTR2,147$11.92$25,59213,478−13.7% plan?
Feb 16, 2016 MForm 4 →Feb 18, 7:48 pm ESTNEKTAR THERAPEUTICSNKTR5,625$0.0001$115,625— plan?
Feb 10, 2016 SForm 4 →Feb 12, 5:18 pm ESTNEKTAR THERAPEUTICSNKTR66,666$11.49$765,99210,000−87.0% plan?
Feb 10, 2016 MForm 4 →Feb 12, 5:18 pm ESTNEKTAR THERAPEUTICSNKTR66,666$6.46$430,66276,666— plan?
Jan 19, 2016 SForm 4 →Jan 21, 6:05 pm ESTNEKTAR THERAPEUTICSNKTR66,667$14.12$941,33810,000−87.0% plan?
Jan 19, 2016 MForm 4 →Jan 21, 6:05 pm ESTNEKTAR THERAPEUTICSNKTR66,667$6.46$430,66976,667— plan?
Dec 3, 2015 SForm 4 →Dec 7, 5:33 pm ESTNEKTAR THERAPEUTICSNKTR125,001$15.87$1,983,76610,000−92.6% plan?
Dec 3, 2015 MForm 4 →Dec 7, 5:33 pm ESTNEKTAR THERAPEUTICSNKTR125,001$6.70$837,840135,001— plan?
Nov 11, 2015 SForm 4 →Nov 13, 5:41 pm ESTNEKTAR THERAPEUTICSNKTR125,000$13.52$1,690,00010,000−92.6% plan?
Nov 11, 2015 MForm 4 →Nov 13, 5:41 pm ESTNEKTAR THERAPEUTICSNKTR125,000$6.70$837,833135,000— plan?
Oct 6, 2015 SForm 4 →Oct 8, 7:12 pm EDTNEKTAR THERAPEUTICSNKTR125,000$10.99$1,373,75010,000−92.6% plan?
Oct 6, 2015 MForm 4 →Oct 8, 7:12 pm EDTNEKTAR THERAPEUTICSNKTR125,000$6.70$837,833135,000— plan?
Sep 23, 2015 SForm 4 →Sep 25, 5:24 pm EDTNEKTAR THERAPEUTICSNKTR124,999$13.04$1,629,98710,000−92.6% plan?
Sep 23, 2015 MForm 4 →Sep 25, 5:24 pm EDTNEKTAR THERAPEUTICSNKTR124,999$6.70$837,827134,999— plan?
Aug 13, 2015 SForm 4 →Aug 17, 4:03 pm EDTNEKTAR THERAPEUTICSNKTR58,333$10.89$635,24610,000−85.4% plan?
Aug 13, 2015 MForm 4 →Aug 17, 4:03 pm EDTNEKTAR THERAPEUTICSNKTR58,333$6.98$407,16468,333— plan?
Jul 14, 2015 SForm 4 →Jul 16, 4:16 pm EDTNEKTAR THERAPEUTICSNKTR58,334$11.78$687,17510,000−85.4% plan?
Jul 14, 2015 MForm 4 →Jul 16, 4:16 pm EDTNEKTAR THERAPEUTICSNKTR58,334$6.98$407,17168,334— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 24, 2026 AForm 4 →Jul 24, 6:34 pm EDTNEKTAR THERAPEUTICSNKTR57,200——57,200—
Feb 19, 2019 MForm 4 →Feb 21, 8:16 pm ESTNEKTAR THERAPEUTICSNKTR100,000——100,000—
Dec 14, 2018 AForm 4 →Dec 18, 6:13 pm ESTNEKTAR THERAPEUTICSNKTR138,350——138,350—
Aug 14, 2018 AMForm 4 →Aug 16, 9:44 pm EDTNEKTAR THERAPEUTICSNKTR191,250——151,250—
Jun 25, 2018 MForm 4 →Jun 27, 7:42 pm EDTNEKTAR THERAPEUTICSNKTR130,000——40,000—
May 1, 2018 MForm 4 →May 3, 8:42 pm EDTNEKTAR THERAPEUTICSNKTR130,000——170,000—
Jan 22, 2018 MForm 4 →Jan 24, 6:01 pm ESTNEKTAR THERAPEUTICSNKTR83,333——0—
Dec 15, 2017 AForm 4 →Dec 19, 6:29 pm ESTNEKTAR THERAPEUTICSNKTR151,250——151,250—
Dec 13, 2017 MForm 4 →Dec 15, 6:00 pm ESTNEKTAR THERAPEUTICSNKTR83,333——83,333—
Nov 15, 2017 AForm 4 →Nov 17, 6:06 pm ESTNEKTAR THERAPEUTICSNKTR137,500——137,500—
Nov 1, 2017 MForm 4 →Nov 3, 6:07 pm EDTNEKTAR THERAPEUTICSNKTR83,334——166,666—
Oct 9, 2017 MForm 4 →Oct 10, 6:08 pm EDTNEKTAR THERAPEUTICSNKTR83,333——250,000—
Sep 6, 2017 MForm 4 →Sep 8, 6:08 pm EDTNEKTAR THERAPEUTICSNKTR83,333——333,333—
Aug 16, 2017 MForm 4 →Aug 18, 7:05 pm EDTNEKTAR THERAPEUTICSNKTR83,334——416,666—
Feb 8, 2017 MForm 4 →Feb 10, 8:10 pm ESTNEKTAR THERAPEUTICSNKTR87,500——0—
Jan 17, 2017 MForm 4 →Jan 19, 8:01 pm ESTNEKTAR THERAPEUTICSNKTR87,500——87,500—
Dec 13, 2016 AForm 4 →Dec 15, 8:46 pm ESTNEKTAR THERAPEUTICSNKTR137,500——137,500—
Dec 7, 2016 MForm 4 →Dec 9, 6:03 pm ESTNEKTAR THERAPEUTICSNKTR87,500——175,000—
Nov 17, 2016 MForm 4 →Nov 18, 6:12 pm ESTNEKTAR THERAPEUTICSNKTR87,500——262,500—
Oct 4, 2016 MForm 4 →Oct 6, 5:07 pm EDTNEKTAR THERAPEUTICSNKTR87,500——350,000—
Sep 1, 2016 MForm 4 →Sep 2, 8:03 pm EDTNEKTAR THERAPEUTICSNKTR87,500——437,500—
Jul 14, 2016 AForm 4 →Jul 18, 5:09 pm EDTNEKTAR THERAPEUTICSNKTR281,250——56,250—
May 16, 2016 DForm 4 →May 18, 5:23 pm EDTNEKTAR THERAPEUTICSNKTR5,625——56,250—
Feb 16, 2016 DForm 4 →Feb 18, 7:48 pm ESTNEKTAR THERAPEUTICSNKTR5,625——61,875—
Feb 10, 2016 MForm 4 →Feb 12, 5:18 pm ESTNEKTAR THERAPEUTICSNKTR66,666——0—
Jan 19, 2016 MForm 4 →Jan 21, 6:05 pm ESTNEKTAR THERAPEUTICSNKTR66,667——66,666—
Dec 15, 2015 AForm 4/A →Jan 15, 2016, 4:42 pm ESTNEKTAR THERAPEUTICSNKTR123,750——56,250—
Dec 15, 2015 AForm 4 →Dec 17, 6:47 pm ESTNEKTAR THERAPEUTICSNKTR123,750——67,500— amended
Dec 3, 2015 MForm 4 →Dec 7, 5:33 pm ESTNEKTAR THERAPEUTICSNKTR125,001——133,333—
Nov 11, 2015 MForm 4 →Nov 13, 5:41 pm ESTNEKTAR THERAPEUTICSNKTR125,000——200,000—
Oct 6, 2015 MForm 4 →Oct 8, 7:12 pm EDTNEKTAR THERAPEUTICSNKTR125,000——266,667—
Sep 23, 2015 MForm 4 →Sep 25, 5:24 pm EDTNEKTAR THERAPEUTICSNKTR124,999——333,334—
Aug 13, 2015 MForm 4 →Aug 17, 4:03 pm EDTNEKTAR THERAPEUTICSNKTR58,333——583,333—
Jul 14, 2015 MForm 4 →Jul 16, 4:16 pm EDTNEKTAR THERAPEUTICSNKTR58,334——641,666—