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Atara Biotherapeutics Inc (ATRA) Insider Trading

Total insider buys:
  • $3,819,989.71
Total insider sells:
  • $54,474,671.30
Most recent insider trade:
  • Nov. 18, 2024
Most active insider trader:
  • Isaac E Ciechanover
Trader NameDateTitleAmountPriceTypeTotal Value
Feb. 9, 2018CEO8,800$37.44Sell$329,472.00
Feb. 9, 2018EVP12,214$38.01Sell$464,254.14
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
Dec. 29, 2017CEO22,200$18.29Sell$406,038.00
Dec. 29, 2017CFO32,000$20.00Sell$640,000.00
Dec. 29, 2017CFO32,000$20.00Sell$640,000.00
Dec. 28, 2017CEO2,200$15.15Sell$33,330.00
Dec. 13, 2017CEO4,400$14.65Sell$64,460.00
Nov. 30, 2017CEO4,400$14.25Sell$62,700.00
Nov. 17, 2017EVP7,000$15.00Sell$105,000.00
Nov. 16, 2017Director1,184$14.20Sell$16,812.80
Nov. 15, 2017EVP1,604$13.36Sell$21,429.44
Nov. 14, 2017CEO4,400$13.47Sell$59,268.00
Oct. 27, 2017CEO4,400$13.59Sell$59,796.00
Oct. 16, 2017EVP6,000$14.35Sell$86,100.00
Oct. 12, 2017CEO4,400$15.02Sell$66,088.00
Oct. 11, 2017CEO2,200$15.25Sell$33,550.00
Sept. 20, 2017CEO4,400$15.54Sell$68,376.00
Sept. 15, 2017EVP6,000$15.30Sell$91,800.00
Sept. 7, 2017CEO4,400$15.02Sell$66,088.00
Aug. 23, 2017CEO4,400$13.54Sell$59,576.00
Aug. 16, 2017EVP3,021$14.33Sell$43,290.93
Aug. 16, 2017CFO4,200$14.31Sell$60,102.00
Aug. 16, 2017Director1,184$14.30Sell$16,931.20
Aug. 15, 2017EVP7,604$14.75Sell$112,159.00
Aug. 11, 2017CEO4,400$14.67Sell$64,548.00
July 25, 2017CEO5,500$16.49Sell$90,695.00
July 24, 2017CEO2,800$16.94Sell$47,432.00
July 17, 2017EVP6,000$14.92Sell$89,520.00
June 15, 2017EVP6,000$12.65Sell$75,900.00
June 9, 2017Director1,000$13.15Sell$13,150.00
May 31, 2017CEO6,900$13.35Sell$92,115.00
May 30, 2017CEO3,450$13.44Sell$46,368.00
May 18, 2017CEO4,800$14.91Sell$71,568.00
May 16, 2017CFO4,000$15.11Sell$60,440.00
May 16, 2017Director1,184$15.25Sell$18,056.00
May 16, 2017EVP12,674$15.16Sell$192,137.84
April 26, 2017CEO7,200$17.56Sell$126,432.00
April 25, 2017CEO3,600$17.33Sell$62,388.00
April 17, 2017EVP6,000$17.28Sell$103,680.00
April 11, 2017CEO7,200$17.03Sell$122,616.00
March 28, 2017CEO16,000$20.06Sell$320,960.00
March 23, 2017CFO14,000$20.65Sell$289,100.00
March 17, 2017CEO30,800$19.38Sell$596,904.00
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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, Pascal Touchon, Utpal Koppikar, Gad Soffer, Amar Murugan, Jakob Dupont, Eric J Hyllengren, Mitchall G Clark, Anhco Nguyen, Derrell Porter, Joel S Marcus, Eric Dobmeier, Kristin Yarema, Matthew K Fust, Mitchall G. Clark, Jill Henrich, Heather D Turner, William K Heiden, Domain Partners Viii, L.P., 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 Nov. 18, 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.