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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
June 8, 2021CFO5,820$14.06Sell$81,829.20
May 17, 2021Insider3,500$15.00Sell$52,500.00
March 26, 2021Insider2,640$14.58Sell$38,491.20
March 26, 2021CFO1,761$14.58Sell$25,675.38
March 15, 2021COO7,000$17.41Sell$121,870.00
Feb. 8, 2021CFO1,759$20.39Sell$35,866.01
Feb. 8, 2021Insider3,886$20.39Sell$79,235.54
Jan. 15, 2021Insider7,000$18.84Sell$131,880.00
Dec. 16, 2020Insider7,000$23.11Sell$161,770.00
Nov. 13, 2020COO7,500$18.49Sell$138,675.00
Aug. 18, 2020CEO4,807$12.09Sell$58,116.63
Aug. 18, 2020Insider1,678$12.09Sell$20,287.02
Aug. 18, 2020CFO1,496$12.09Sell$18,086.64
June 25, 2020CEO12,135$12.92Sell$156,784.20
April 6, 2020Insider657$7.94Sell$5,216.58
March 27, 2020CFO1,827$9.17Sell$16,753.59
March 27, 2020Insider2,740$9.17Sell$25,125.80
Feb. 6, 2020Insider4,117$14.21Sell$58,502.57
Feb. 6, 2020CFO1,781$14.21Sell$25,308.01
Sept. 27, 2019Insider3,500$13.51Sell$47,285.00
June 27, 2019Director2,000$19.50Buy$39,000.00
May 30, 2019CEO5,850$23.09Sell$135,076.50
May 14, 2019CEO7,800$24.61Sell$191,958.00
May 6, 2019Insider1,500$35.00Sell$52,500.00
April 26, 2019CEO7,800$33.54Sell$261,612.00
April 10, 2019CEO3,900$37.04Sell$144,456.00
April 1, 2019Insider1,500$39.96Sell$59,940.00
March 29, 2019CEO7,800$38.66Sell$301,548.00
March 15, 2019Director20,000$38.25Sell$765,000.00
March 15, 2019CEO7,800$39.48Sell$307,944.00
March 1, 2019Insider1,500$36.13Sell$54,195.00
Feb. 28, 2019Director62,590$36.07Sell$2,257,621.30
Feb. 28, 2019CEO7,800$36.14Sell$281,892.00
Feb. 15, 2019EVP775$39.59Sell$30,682.25
Feb. 15, 2019SVP5,909$40.00Sell$236,360.00
Feb. 12, 2019CEO7,800$38.77Sell$302,406.00
Feb. 11, 2019EVP13,975$38.55Sell$538,736.25
Feb. 6, 2019EVP12,375$38.62Sell$477,922.50
Feb. 1, 2019Insider1,000$37.80Sell$37,800.00
Jan. 24, 2019CEO7,800$35.06Sell$273,468.00
Jan. 10, 2019CEO7,800$34.55Sell$269,490.00
Jan. 2, 2019Insider1,500$35.00Sell$52,500.00
Dec. 28, 2018CEO7,800$33.88Sell$264,264.00
Dec. 27, 2018CEO3,900$33.05Sell$128,895.00
Dec. 13, 2018CEO7,800$42.66Sell$332,748.00
Dec. 3, 2018Insider1,500$41.14Sell$61,710.00
Nov. 29, 2018CEO7,800$40.39Sell$315,042.00
Nov. 15, 2018EVP775$33.81Sell$26,202.75
Nov. 14, 2018CEO3,900$33.99Sell$132,561.00
Nov. 7, 2018Director21,374$36.38Sell$777,586.12
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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.