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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
Nov. 1, 2018Insider1,500$35.00Sell$52,500.00
Oct. 22, 2018CEO3,900$33.78Sell$131,742.00
Oct. 5, 2018CEO7,800$40.22Sell$313,716.00
Oct. 1, 2018Insider1,500$41.28Sell$61,920.00
Sept. 25, 2018EVP31,500$40.17Sell$1,265,355.00
Sept. 19, 2018CEO7,800$39.81Sell$310,518.00
Sept. 7, 2018CEO7,800$39.35Sell$306,930.00
Sept. 4, 2018Insider1,500$39.45Sell$59,175.00
Aug. 21, 2018CEO7,800$36.37Sell$283,686.00
Aug. 15, 2018EVP775$37.54Sell$29,093.50
Aug. 7, 2018CEO7,800$37.43Sell$291,954.00
Aug. 1, 2018Insider1,500$37.74Sell$56,610.00
July 30, 2018Insider10,000$35.78Sell$357,800.00
July 27, 2018CEO7,800$38.00Sell$296,400.00
July 27, 2018CFO2,000$36.80Buy$73,600.00
July 10, 2018CEO58,400$40.00Sell$2,336,000.00
June 26, 2018CEO4,400$40.31Sell$177,364.00
June 18, 2018Director2,500$44.78Sell$111,950.00
June 6, 2018CEO8,800$48.56Sell$427,328.00
May 22, 2018CEO8,800$51.74Sell$455,312.00
May 18, 2018EVP25,860$50.03Sell$1,293,775.80
May 16, 2018Director273$46.06Sell$12,574.38
May 16, 2018EVP4,647$46.06Sell$214,040.82
May 15, 2018SVP16,334$45.02Sell$735,356.68
May 14, 2018Director12,286$43.57Sell$535,301.02
May 10, 2018CEO8,800$39.85Sell$350,680.00
May 8, 2018SVP1,544$40.15Sell$61,991.60
April 27, 2018CEO8,800$42.46Sell$373,648.00
April 11, 2018CEO4,400$40.82Sell$179,608.00
March 29, 2018EVP22,400$40.07Sell$897,568.00
March 26, 2018CEO4,400$40.10Sell$176,440.00
March 26, 2018EVP18,327$39.79Sell$729,231.33
March 20, 2018CFO6,000$40.41Sell$242,460.00
March 16, 2018CEO8,800$42.13Sell$370,744.00
March 12, 2018CEO1,000$46.31Sell$46,310.00
Feb. 22, 2018CEO17,800$44.65Sell$794,770.00
Feb. 20, 2018CEO8,700$45.28Sell$393,936.00
Feb. 16, 2018Director1,183$46.50Sell$55,009.50
Feb. 16, 2018CEO20,000$46.92Sell$938,400.00
Feb. 16, 2018CFO13,000$47.07Sell$611,910.00
Feb. 14, 2018CEO20,000$46.80Sell$936,000.00
Feb. 9, 2018EVP12,214$38.01Sell$464,254.14
Feb. 9, 2018CEO8,800$37.44Sell$329,472.00
Jan. 26, 2018CEO19,300$35.26Sell$680,518.00
Jan. 24, 2018CEO48,500$34.58Sell$1,677,130.00
Jan. 22, 2018CEO10,000$33.07Sell$330,700.00
Jan. 16, 2018CEO600$30.38Sell$18,228.00
Jan. 12, 2018CEO28,700$21.39Sell$613,893.00
Jan. 12, 2018CFO37,000$24.35Sell$900,950.00
Jan. 10, 2018CEO8,600$19.99Sell$171,914.00
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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.