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Overview of all insider trading transactions in Sierra Oncology, Inc.. Get notifications about new insider transactions in Sierra Oncology, Inc. for free.

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DateTickerCompanyOwnerRelationship Transaction Code Cost ($) Shares Transaction Value ($) Total Shares % Holdings
Jun 09 2021SRRASierra Oncology, I ...Cooper Jeffrey HDirectorOption ExerciseA18.116,000108,6606,000
Jun 09 2021SRRASierra Oncology, I ...Collard Craig ADirectorOption ExerciseA18.116,000108,6606,000
Jun 09 2021SRRASierra Oncology, I ...Richardson JoshuaDirectorOption ExerciseA18.116,000108,6606,000
Jun 04 2021SRRASierra Oncology, I ...Oliger Christy J.DirectorOption ExerciseA17.7618,000319,63518,000
Jun 04 2021SRRASierra Oncology, I ...Oliger Christy J.DirectorOption ExerciseA17.7618,000319,63518,000
May 20 2021SRRASierra Oncology, I ...DILLY STEPHEN GEORGECEO and PresidentBuyP17.835,00089,1505,0000 to 5 K
Mar 17 2021SRRASierra Oncology, I ...Turner William D.Chief Reg & Tech Op ...Option ExerciseA16.7312,300205,77912,300
Mar 17 2021SRRASierra Oncology, I ...Thomson ChristinaGeneral CounselOption ExerciseA16.7312,900215,81712,900
Mar 17 2021SRRASierra Oncology, I ...Norrett KevinChief Business Offi ...Option ExerciseA16.7311,700195,74111,700
Mar 17 2021SRRASierra Oncology, I ...Kowalski MarkChief Medical Offic ...Option ExerciseA16.7330,000501,90030,000
Mar 17 2021SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...Option ExerciseA16.7330,000501,90030,000
Mar 17 2021SRRASierra Oncology, I ...Jagpal SukhiChief Financial Off ...Option ExerciseA16.7330,000501,90030,000
Mar 17 2021SRRASierra Oncology, I ...DILLY STEPHEN GEORGECEO and PresidentOption ExerciseA16.7392,0001,539,16092,000
Aug 18 2020SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...BuyP12.253,32540,7385,0001.7 K to 5 K (+198.51 %)
Aug 18 2020SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...BuyP12.225,95072,71010,0004.1 K to 10 K (+146.91 %)
Aug 12 2020SRRASierra Oncology, I ...Kowalski MarkChief Medical Offic ...Option ExerciseA12.1524,970303,38624,970
Aug 12 2020SRRASierra Oncology, I ...Jagpal SukhiChief Financial Off ...Option ExerciseA12.155,88771,5275,887
Aug 12 2020SRRASierra Oncology, I ...Kowalski MarkChief Medical Offic ...Option ExerciseA12.1524,970303,38624,970
Aug 12 2020SRRASierra Oncology, I ...Jagpal SukhiChief Financial Off ...Option ExerciseA12.155,88771,5275,887
Aug 11 2020SRRASierra Oncology, I ...Norrett KevinChief Business Offi ...Option ExerciseA12.05100,0001,205,000100,000
Aug 06 2020SRRASierra Oncology, I ...Turner William D.Chief Reg & Tech Op ...Option ExerciseA12.05100,0001,205,000100,000
Jul 29 2020SRRASierra Oncology, I ...Thomson ChristinaGeneral CounselOption ExerciseA13.04100,0001,304,000100,000
Jun 10 2020SRRASierra Oncology, I ...Richardson JoshuaDirectorOption ExerciseA13.986,87496,0996,874
Jun 10 2020SRRASierra Oncology, I ...Pelzer RobertDirectorOption ExerciseA13.9816,686233,27016,686
Jun 10 2020SRRASierra Oncology, I ...Cooper Jeffrey HDirectorOption ExerciseA13.9818,061252,49318,061
Jun 10 2020SRRASierra Oncology, I ...Ashiya MonaDirectorOption ExerciseA13.986,87496,0996,874
Jun 10 2020SRRASierra Oncology, I ...Allen Andrew RDirectorOption ExerciseA13.9812,030168,17912,030
Jun 10 2020SRRASierra Oncology, I ...Aggarwal GauravDirectorOption ExerciseA13.986,87496,0996,874
Jun 10 2020SRRASierra Oncology, I ...Sinclair AndrewDirectorOption ExerciseA13.986,87496,0996,874
Jun 02 2020SRRASierra Oncology, I ...DILLY STEPHEN GEORGECEO and PresidentOption ExerciseA14.03520,0007,295,600520,000
May 29 2020SRRASierra Oncology, I ...Collard Craig ADirectorOption ExerciseA13.8810,000138,80010,000
Feb 27 2020SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...Option ExerciseA13.31167,0912,223,981167,091
Feb 27 2020SRRASierra Oncology, I ...Jagpal SukhiChief Financial Off ...Option ExerciseA13.3194,1131,252,64494,113
Jan 31 2020SRRASierra Oncology, I ...Sinclair AndrewDirectorOption ExerciseC0.0011,50000
Jan 31 2020SRRASierra Oncology, I ...Sinclair AndrewDirectorBuyC0.00871,1250876,5425.4 K to 876.5 K (+16,081.32 %)
Jan 31 2020SRRASierra Oncology, I ...Vivo Opportunity, LLC10% OwnerOption ExerciseC0.004,28700
Jan 31 2020SRRASierra Oncology, I ...Vivo Opportunity, LLC10% OwnerOption ExerciseC0.0019,21300
Jan 31 2020SRRASierra Oncology, I ...Vivo Opportunity, LLC10% OwnerOption ExerciseC0.001,00000
Jan 31 2020SRRASierra Oncology, I ...Vivo Opportunity, LLC10% OwnerBuyC0.00324,7830324,7830 to 324.8 K
Jan 31 2020SRRASierra Oncology, I ...Vivo Opportunity, LLC10% OwnerBuyC0.001,455,57601,455,5760 to 1.5 M
Jan 31 2020SRRASierra Oncology, I ...Vivo Opportunity, LLC10% OwnerBuyC0.0075,7590136,71561 K to 136.7 K (+124.28 %)
Jan 31 2020SRRASierra Oncology, I ...Longitude Capital Partners III ...10% OwnerOption ExerciseC0.0019,50000
Jan 31 2020SRRASierra Oncology, I ...Longitude Capital Partners III ...10% OwnerBuyC0.001,477,32001,477,3200 to 1.5 M
Jan 31 2020SRRASierra Oncology, I ...Richardson JoshuaDirectorOption ExerciseC0.0019,50000
Jan 31 2020SRRASierra Oncology, I ...Richardson JoshuaDirectorBuyC0.001,477,32001,477,3200 to 1.5 M
Jan 31 2020SRRASierra Oncology, I ...Ashiya MonaDirectorOption ExerciseC0.0019,50000
Jan 31 2020SRRASierra Oncology, I ...Ashiya MonaDirectorBuyC0.001,477,32001,477,3200 to 1.5 M
Jan 31 2020SRRASierra Oncology, I ...Aggarwal GauravDirectorOption ExerciseC0.0019,21300
Jan 31 2020SRRASierra Oncology, I ...Aggarwal GauravDirectorBuyC0.001,455,57601,455,5760 to 1.5 M
Jan 31 2020SRRASierra Oncology, I ...ORBIMED ADVISORS LLCDirectorOption ExerciseC0.0019,50000
Jan 31 2020SRRASierra Oncology, I ...ORBIMED ADVISORS LLCDirectorBuyC0.001,477,32001,477,3200 to 1.5 M
Dec 03 2019SRRASierra Oncology, I ...Sinclair AndrewDirectorOption ExerciseA0.3560,00020,80260,000
Dec 03 2019SRRASierra Oncology, I ...Sinclair AndrewDirectorOption ExerciseA0.3560,00020,80260,000
Dec 03 2019SRRASierra Oncology, I ...Richardson JoshuaDirectorOption ExerciseA0.3560,00020,80260,000
Dec 03 2019SRRASierra Oncology, I ...Ashiya MonaDirectorOption ExerciseA0.3560,00020,80260,000
Dec 03 2019SRRASierra Oncology, I ...Aggarwal GauravDirectorOption ExerciseA0.3560,00020,80260,000
Aug 26 2019SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...BuyP0.44108,00047,380162,00054 K to 162 K (+200.00 %)
Aug 26 2019SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...BuyP0.4554,00024,29554,0000 to 54 K
Aug 26 2019SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...BuyP0.4367,00028,96467,0000 to 67 K
Jun 12 2019SRRASierra Oncology, I ...Pelzer RobertDirectorOption ExerciseA0.6630,00019,80030,000
Jun 12 2019SRRASierra Oncology, I ...Parfet Donald RDirectorOption ExerciseA0.6630,00019,80030,000
Jun 12 2019SRRASierra Oncology, I ...ONETTO NICOLEDirectorOption ExerciseA0.6630,00019,80030,000
Jun 12 2019SRRASierra Oncology, I ...Nguyen TranDirectorOption ExerciseA0.6630,00019,80030,000
Jun 12 2019SRRASierra Oncology, I ...ESTES DANIELDirectorOption ExerciseA0.6630,00019,80030,000
Jun 12 2019SRRASierra Oncology, I ...Cooper Jeffrey HDirectorOption ExerciseA0.6630,00019,80030,000
Jun 12 2019SRRASierra Oncology, I ...Allen Andrew RDirectorOption ExerciseA0.6630,00019,80030,000
Mar 05 2019SRRASierra Oncology, I ...Kowalski MarkChief Medical Offic ...Option ExerciseA1.96200,000392,000200,000
Mar 05 2019SRRASierra Oncology, I ...Jagpal SukhiChief Financial Off ...Option ExerciseA1.96200,000392,000200,000
Mar 05 2019SRRASierra Oncology, I ...Hassig ChristianChief Scientific Of ...Option ExerciseA1.96155,000303,800155,000
Mar 05 2019SRRASierra Oncology, I ...Glover NicholasCEO and PresidentOption ExerciseA1.96607,5001,190,700607,500
Dec 11 2018SRRASierra Oncology, I ...Allen Andrew RDirectorBuyP1.6466,000108,24066,0000 to 66 K
Jun 14 2018SRRASierra Oncology, I ...ESTES DANIELDirectorOption ExerciseA3.2725,00081,75025,000
Jun 14 2018SRRASierra Oncology, I ...Pelzer RobertDirectorOption ExerciseA3.2725,00081,75025,000
Jun 14 2018SRRASierra Oncology, I ...Parfet Donald RDirectorOption ExerciseA3.2725,00081,75025,000
Jun 14 2018SRRASierra Oncology, I ...ONETTO NICOLEDirectorOption ExerciseA3.2725,00081,75025,000
Jun 14 2018SRRASierra Oncology, I ...Nguyen TranDirectorOption ExerciseA3.2725,00081,75025,000
Jun 14 2018SRRASierra Oncology, I ...Cooper Jeffrey HDirectorOption ExerciseA3.2725,00081,75025,000
Jun 14 2018SRRASierra Oncology, I ...Allen Andrew RDirectorOption ExerciseA3.2725,00081,75025,000
Mar 07 2018SRRASierra Oncology, I ...You AngieChief Bus. & Strat. ...Option ExerciseA2.36180,360425,650180,360
Mar 07 2018SRRASierra Oncology, I ...Kowalski MarkChief Medical Offic ...Option ExerciseA2.36155,000365,800155,000
Mar 07 2018SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...Option ExerciseA2.36180,360425,650180,360
Mar 07 2018SRRASierra Oncology, I ...Jagpal SukhiChief Financial Off ...Option ExerciseA2.36180,360425,650180,360
Mar 07 2018SRRASierra Oncology, I ...Hassig ChristianChief Scientific Of ...Option ExerciseA2.36205,180484,225205,180
Mar 07 2018SRRASierra Oncology, I ...Glover NicholasCEO and PresidentOption ExerciseA2.36562,7801,328,161562,780
Jan 08 2018SRRASierra Oncology, I ...Parfet Donald RDirectorBuyJ0.001,380077,23575.9 K to 77.2 K (+1.82 %)
Jan 08 2018SRRASierra Oncology, I ...Parfet Donald RDirectorSellJ0.002,760002.8 K to 0 (-100.00 %)
Jan 08 2018SRRASierra Oncology, I ...Parfet Donald RDirectorBuyJ0.001,06802,7601.7 K to 2.8 K (+63.12 %)
Jan 08 2018SRRASierra Oncology, I ...Parfet Donald RDirectorBuyJ0.001,69201,6920 to 1.7 K
Jan 08 2018SRRASierra Oncology, I ...Parfet Donald RDirectorBuyJ0.003,3830390,913387.5 K to 390.9 K (+0.87 %)
Nov 13 2017SRRASierra Oncology, I ...Allen Andrew RDirectorOption ExerciseA1.9250,00096,00050,000
Jun 14 2017SRRASierra Oncology, I ...Pelzer RobertDirectorOption ExerciseA1.1325,00028,25025,000
Jun 14 2017SRRASierra Oncology, I ...Parfet Donald RDirectorOption ExerciseA1.1325,00028,25025,000
Jun 14 2017SRRASierra Oncology, I ...ONETTO NICOLEDirectorOption ExerciseA1.1325,00028,25025,000
Jun 14 2017SRRASierra Oncology, I ...Nguyen TranDirectorOption ExerciseA1.1325,00028,25025,000
Jun 14 2017SRRASierra Oncology, I ...Cooper Jeffrey HDirectorOption ExerciseA1.1325,00028,25025,000
May 30 2017SRRASierra Oncology, I ...ESTES DANIELDirectorOption ExerciseA1.2050,00060,00050,000
Mar 09 2017SRRASierra Oncology, I ...You AngieChief Bus. & Strat. ...BuyP1.4330,00042,900133,252103.3 K to 133.3 K (+29.06 %)
Mar 08 2017SRRASierra Oncology, I ...Klencke BarbaraChief Development O ...Option ExerciseA1.4570,000101,50070,000
Mar 08 2017SRRASierra Oncology, I ...Jagpal SukhiChief Financial Off ...Option ExerciseA1.4570,000101,50070,000
Mar 08 2017SRRASierra Oncology, I ...You AngieChief Bus. & Strat. ...Option ExerciseA1.4570,000101,50070,000
Mar 08 2017SRRASierra Oncology, I ...Glover NicholasCEO and PresidentOption ExerciseA1.45195,000282,750195,000
Feb 16 2017DNAISierra Oncology, I ...Topper James NDirectorBuyP1.355,925,9268,000,0005,925,9260 to 5.9 M
Jan 04 2017DNAIProNAi Therapeutic ...Kowalski MarkChief Medical Offic ...Option ExerciseA1.54300,000462,000300,000
Nov 10 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.002,403075,85573.5 K to 75.9 K (+3.27 %)
Nov 10 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...SellJ0.004,806004.8 K to 0 (-100.00 %)
Nov 10 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.001,42304,8063.4 K to 4.8 K (+42.06 %)
Nov 10 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.003,38303,3830 to 3.4 K
Nov 10 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.006,7670387,530380.8 K to 387.5 K (+1.78 %)
Oct 04 2016DNAIProNAi Therapeutic ...Klencke BarbaraChief Development O ...Option ExerciseA1.82456,000829,920456,000
Oct 04 2016DNAIProNAi Therapeutic ...Glover NicholasCEO and PresidentOption ExerciseA1.82500,000910,000500,000
Oct 04 2016DNAIProNAi Therapeutic ...Jagpal SukhiChief Financial Off ...Option ExerciseA1.82168,000305,760168,000
Oct 04 2016DNAIProNAi Therapeutic ...You AngieChief Bus. & Strat. ...Option ExerciseA1.82200,000364,000200,000
Sep 30 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.001,202073,45272.3 K to 73.5 K (+1.66 %)
Sep 30 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...SellJ0.002,403002.4 K to 0 (-100.00 %)
Sep 30 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.0071102,4031.7 K to 2.4 K (+42.02 %)
Sep 30 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.001,69201,6920 to 1.7 K
Sep 30 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.003,3840380,763377.4 K to 380.8 K (+0.90 %)
Jun 20 2016DNAIProNAi Therapeutic ...Topper James NDirectorOption ExerciseA2.0638,83580,00038,835
Jun 20 2016DNAIProNAi Therapeutic ...Pelzer RobertDirectorOption ExerciseA2.0638,83580,00038,835
Jun 20 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...Option ExerciseA2.0638,83580,00038,835
Jun 20 2016DNAIProNAi Therapeutic ...ONETTO NICOLEDirectorOption ExerciseA2.0638,83580,00038,835
Jun 13 2016DNAIProNAi Therapeutic ...Nguyen TranDirectorOption ExerciseA2.0677,670160,00077,670
Jun 13 2016DNAIProNAi Therapeutic ...Cooper Jeffrey HDirectorOption ExerciseA2.0677,670160,00077,670
May 17 2016DNAIProNAi Therapeutic ...Parfet Donald RChairman of the Boa ...BuyJ0.003,2040377,379374.2 K to 377.4 K (+0.86 %)
Mar 24 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...Option ExerciseM0.973,0002,90776,248
Mar 24 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...SellS7.013,00021,02303 K to 0 (-100.00 %)
Mar 24 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...BuyM0.973,0002,9073,0000 to 3 K
Mar 10 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...Option ExerciseA6.5825,000164,50025,000
Mar 10 2016DNAIProNAi Therapeutic ...Jagpal SukhiChief Financial Off ...Option ExerciseA6.5848,750320,77548,750
Mar 10 2016DNAIProNAi Therapeutic ...Messmann Richard AChief Medical Offic ...Option ExerciseA6.5825,000164,50025,000
Mar 10 2016DNAIProNAi Therapeutic ...Glover NicholasCEO and PresidentOption ExerciseA6.58161,2501,061,025161,250
Mar 10 2016DNAIProNAi Therapeutic ...Lovejoy Chandra DSVP of Reg. Affairs ...Option ExerciseA6.5831,000203,98031,000
Mar 10 2016DNAIProNAi Therapeutic ...Klencke BarbaraChief Development O ...Option ExerciseA6.5882,500542,85082,500
Mar 10 2016DNAIProNAi Therapeutic ...You AngieChief Bus. & Strat. ...Option ExerciseA6.5875,000493,50075,000
Feb 24 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...Option ExerciseM0.973,0002,90779,248
Feb 24 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...SellS7.063,00021,18003 K to 0 (-100.00 %)
Feb 24 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...BuyM0.973,0002,9073,0000 to 3 K
Jan 25 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...Option ExerciseM0.975,0004,84582,248
Jan 25 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...SellS9.395,00046,97305 K to 0 (-100.00 %)
Jan 25 2016DNAIProNAi Therapeutic ...Chapman WendySVP Clinical Operat ...BuyM0.975,0004,8455,0000 to 5 K
Jan 22 2016DNAIProNAi Therapeutic ...Rodigueza WendiChief Scientific Of ...SellS9.661,0009,660156,276157.3 K to 156.3 K (-0.64 %)
Jan 22 2016DNAIProNAi Therapeutic ...Rodigueza WendiChief Scientific Of ...SellS10.321,00010,323157,276158.3 K to 157.3 K (-0.63 %)
Jan 22 2016DNAIProNAi Therapeutic ...Rodigueza WendiChief Scientific Of ...SellS9.591,0009,590158,276159.3 K to 158.3 K (-0.63 %)
Jan 19 2016DNAIProNAi Therapeutic ...Glover NicholasCEO and PresidentOption ExerciseM0.975,0004,845864,219
Jan 19 2016DNAIProNAi Therapeutic ...Glover NicholasCEO and PresidentSellS10.045,00050,22305 K to 0 (-100.00 %)
Jan 19 2016DNAIProNAi Therapeutic ...Glover NicholasCEO and PresidentBuyM0.975,0004,8455,0000 to 5 K
Jan 14 2016DNAIProNAi Therapeutic ...Lovejoy Chandra DSVP of Reg. Affairs ...Option ExerciseM0.977,5517,31746,140
Jan 14 2016DNAIProNAi Therapeutic ...Lovejoy Chandra DSVP of Reg. Affairs ...SellS11.935,56266,34505.6 K to 0 (-100.00 %)
Jan 14 2016DNAIProNAi Therapeutic ...Lovejoy Chandra DSVP of Reg. Affairs ...SellS11.0615,411170,4895,56221 K to 5.6 K (-73.48 %)
Jan 14 2016DNAIProNAi Therapeutic ...Lovejoy Chandra DSVP of Reg. Affairs ...BuyM0.977,5517,31720,97313.4 K to 21 K (+56.26 %)

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