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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
March 4, 2024EVP10,746$0.72Sell$7,737.12
March 4, 2024CEO24,844$0.72Sell$17,887.68
Nov. 16, 2023CEO20,409$0.39Sell$7,959.51
Nov. 16, 2023EVP8,856$0.39Sell$3,453.84
Nov. 16, 2023CFO11,958$0.39Sell$4,663.62
Nov. 13, 2023Director179,020$0.22Buy$39,384.40
Nov. 10, 2023Director100,000$0.25Buy$25,000.00
Aug. 16, 2023EVP8,672$1.65Sell$14,308.80
Aug. 16, 2023CFO8,186$1.65Sell$13,506.90
Aug. 16, 2023CEO30,766$1.65Sell$50,763.90
June 27, 2023CEO14,291$1.66Sell$23,723.06
May 16, 2023CEO29,766$2.04Sell$60,722.64
May 16, 2023EVP8,389$2.04Sell$17,113.56
May 16, 2023CFO7,918$2.04Sell$16,152.72
March 2, 2023EVP5,074$3.63Sell$18,418.62
March 2, 2023SVP4,221$3.63Sell$15,322.23
March 2, 2023CFO6,871$3.63Sell$24,941.73
March 2, 2023CEO15,679$3.63Sell$56,914.77
Feb. 7, 2023CFO2,485$5.46Sell$13,568.10
Nov. 16, 2022CEO15,591$4.49Sell$70,003.59
Nov. 16, 2022SVP3,612$4.49Sell$16,217.88
Nov. 16, 2022CFO6,255$4.49Sell$28,084.95
Nov. 16, 2022EVP4,342$4.49Sell$19,495.58
Aug. 16, 2022CEO14,806$5.04Sell$74,622.24
Aug. 16, 2022SVP3,430$5.03Sell$17,252.90
Aug. 16, 2022EVP4,124$5.03Sell$20,743.72
Aug. 16, 2022CFO5,940$5.04Sell$29,937.60
June 27, 2022CEO14,220$7.20Sell$102,384.00
May 17, 2022CEO13,913$5.32Sell$74,017.16
May 17, 2022EVP3,873$5.32Sell$20,604.36
May 17, 2022SVP3,223$5.32Sell$17,146.36
May 17, 2022CFO5,582$5.32Sell$29,696.24
Feb. 10, 2022EVP5,000$16.00Sell$80,000.00
Feb. 7, 2022CFO2,496$14.46Sell$36,092.16
Nov. 16, 2021CFO3,655$17.12Sell$62,573.60
Nov. 16, 2021EVP2,199$17.12Sell$37,646.88
Nov. 16, 2021CEO8,402$17.12Sell$143,842.24
Nov. 16, 2021SVP2,124$17.12Sell$36,362.88
Nov. 15, 2021Insider7,000$17.71Sell$123,970.00
Nov. 4, 2021Director13,354$19.50Sell$260,403.00
Nov. 2, 2021EVP5,000$16.41Sell$82,050.00
Sept. 22, 2021Insider10,500$17.00Sell$178,500.00
Aug. 30, 2021Insider3,500$15.00Sell$52,500.00
Aug. 17, 2021EVP2,152$12.53Sell$26,964.56
Aug. 17, 2021SVP2,080$12.53Sell$26,062.40
Aug. 17, 2021CFO3,579$12.53Sell$44,844.87
Aug. 17, 2021CEO8,223$12.53Sell$103,034.19
Aug. 17, 2021Insider2,426$12.53Sell$30,397.78
June 14, 2021Insider32,333$14.57Buy$471,091.81
June 11, 2021Insider2,021$14.50Buy$29,304.50
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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.