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Atara Biotherapeutics Inc (ATRA) Insider Trading

Total insider buys:
  • $3,819,989.71
Total insider sells:
  • $54,295,355.57
Most recent insider trade:
  • March 4, 2024
Most active insider trader:
  • Isaac E Ciechanover
Trader NameDateTitleAmountPriceTypeTotal Value
Feb. 3, 2017CEO4,800$13.66Sell$65,568.00
Jan. 18, 2017CEO6,000$14.24Sell$85,440.00
Jan. 17, 2017EVP6,000$14.27Sell$85,620.00
Jan. 6, 2017CEO8,400$16.89Sell$141,876.00
Dec. 23, 2016CEO4,800$15.22Sell$73,056.00
Dec. 15, 2016Insider6,000$15.40Sell$92,400.00
Dec. 7, 2016CEO7,200$17.93Sell$129,096.00
Nov. 23, 2016CEO12,000$18.34Sell$220,080.00
Nov. 22, 2016CEO8,400$18.21Sell$152,964.00
Nov. 16, 2016Insider2,995$19.53Sell$58,492.35
Nov. 16, 2016Director1,184$19.35Sell$22,910.40
Nov. 16, 2016COO16,718$20.00Sell$334,360.00
Nov. 14, 2016COO9,582$20.55Sell$196,910.10
Nov. 11, 2016CFO5,000$19.84Sell$99,200.00
Oct. 27, 2016CEO4,800$13.81Sell$66,288.00
Oct. 14, 2016CEO4,800$15.96Sell$76,608.00
Oct. 12, 2016CFO5,000$17.47Sell$87,350.00
Sept. 28, 2016CEO12,000$20.87Sell$250,440.00
Sept. 16, 2016CEO7,200$19.36Sell$139,392.00
Aug. 23, 2016CEO9,600$22.33Sell$214,368.00
Aug. 16, 2016COO5,356$22.41Sell$120,027.96
Aug. 15, 2016Insider1,346$22.32Sell$30,042.72
July 21, 2016CEO9,600$22.11Sell$212,256.00
July 8, 2016CEO9,600$22.88Sell$219,648.00
June 24, 2016CEO9,600$21.26Sell$204,096.00
June 8, 2016CEO12,000$20.53Sell$246,360.00
June 7, 2016CEO7,200$20.36Sell$146,592.00
May 26, 2016CEO7,200$17.69Sell$127,368.00
May 18, 2016Director1,184$15.96Sell$18,896.64
May 17, 2016COO5,427$15.91Sell$86,343.57
May 16, 2016Insider4,153$15.15Sell$62,917.95
May 16, 2016CFO5,395$15.77Sell$85,079.15
April 26, 2016CEO1,300$20.12Sell$26,156.00
April 12, 2016CEO13,210$20.40Sell$269,484.00
April 1, 2016CEO1,190$20.03Sell$23,835.70
March 17, 2016Director3,000$13.86Buy$41,580.00
Feb. 17, 2016Director1,183$16.30Sell$19,282.90
Feb. 17, 2016COO5,711$16.77Sell$95,773.47
Jan. 14, 2016CEO2,400$20.20Sell$48,480.00
Dec. 31, 2015CEO2,400$26.00Sell$62,400.00
Dec. 16, 2015Director2,500$22.00Buy$55,000.00
Dec. 15, 2015CEO2,400$22.46Sell$53,904.00
Dec. 4, 2015CEO4,000$37.45Sell$149,800.00
Nov. 30, 2015CFO6,000$40.00Sell$240,000.00
Nov. 24, 2015CEO4,800$35.03Sell$168,144.00
Nov. 17, 2015Director1,184$31.10Sell$36,822.40
Nov. 17, 2015COO7,586$31.22Sell$236,834.92
Oct. 22, 2015CEO3,200$25.85Sell$82,720.00
Oct. 7, 2015CEO4,000$33.08Sell$132,320.00
Sept. 24, 2015CEO5,200$42.99Sell$223,548.00
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  • Insiders are both buying and selling Atara Biotherapeutics Inc stock.

  • The insider traders at Atara Biotherapeutics Inc are: Isaac E Ciechanover, Joe Newell, Christopher Haqq, Carol Giltner Gallagher, John Mcgrath, Utpal Koppikar, Pascal Touchon, Gad Soffer, Jakob Dupont, Amar Murugan, Mitchall G Clark, Eric J Hyllengren, Eric Dobmeier, Joel S Marcus, Derrell Porter, Mitchall G. Clark, Kristin Yarema, Matthew K Fust, Anhco Nguyen, William K Heiden, Domain Partners Viii, L.P., Heather D Turner, and Isaac E. Ciechanover

  • The most active insider trader at Atara Biotherapeutics Inc is Isaac E Ciechanover with 102 trades.

  • Isaac E Ciechanover has sold the most Atara Biotherapeutics Inc stock with a total value of $26,010,505.70.

  • Domain Partners Viii, L.P. has bought the most Atara Biotherapeutics Inc stock with a total value of $5,459,498.00.

  • The most recent insider trade for Atara Biotherapeutics Inc was on March 4, 2024.

  • The single biggest insider buy for Atara Biotherapeutics Inc was from Domain Partners Viii, L.P. with a total value of $2,729,749.00 on Oct. 21, 2014.

  • The single biggest insider sell for Atara Biotherapeutics Inc was from Isaac E Ciechanover with a total value of $2,336,000.00 on July 10, 2018.