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89bio Inc (ETNB) Insider Trading

Total insider buys:
  • $219,689,545.02
Total insider sells:
  • $11,408,143.97
Most recent insider trade:
  • April 15, 2025
Most active insider trader:
  • Ra Capital Management, L.P.
Trader NameDateTitleAmountPriceTypeTotal Value
April 15, 2025Insider15,329$5.95Sell$91,207.55
Jan. 30, 2025Director5,714,285$8.75Buy$49,999,993.75
Jan. 21, 2025Director5,000$6.55Buy$32,750.00
Jan. 15, 2025Insider10,963$6.49Sell$71,149.87
Dec. 6, 2024CEO5,000$7.89Buy$39,450.00
Dec. 5, 2024Director10,000$8.00Buy$80,000.00
Nov. 22, 2024CEO10,000$8.35Buy$83,500.00
March 4, 2024Director1,350,000$15.35Buy$20,722,500.00
Feb. 26, 2024CEO4,477$10.76Sell$48,172.52
July 17, 2023Director12,500$18.80Sell$235,000.00
June 5, 2023CEO15,000$20.00Sell$300,000.00
June 1, 2023Director6,250$17.91Sell$111,937.50
May 9, 2023Insider13,683$18.11Sell$247,799.13
April 4, 2023CFO8,721$14.95Sell$130,378.95
March 30, 2023Director6,250$3.62Buy$22,625.00
March 28, 2023Director61,538$16.15Buy$993,838.70
March 24, 2023Director2,461,538$16.25Buy$39,999,992.50
March 23, 2023CEO15,000$16.00Sell$240,000.00
March 23, 2023CFO5,000$16.11Sell$80,550.00
Feb. 21, 2023CFO2,540$13.89Sell$35,280.60
Feb. 8, 2023CFO1,480$14.41Sell$21,326.80
Feb. 3, 2023CFO3,592$13.04Sell$46,839.68
Jan. 3, 2023CFO5,947$12.51Sell$74,396.97
Oct. 18, 2022Director1,172,741$7.65Buy$8,971,468.65
July 1, 2022Director2,816,900$3.55Buy$9,999,995.00
Feb. 1, 2022Insider7,000$5.70Sell$39,900.00
Jan. 27, 2022CEO5,000$7.50Buy$37,500.00
Jan. 25, 2022Major Shareholder49,091$8.40Sell$412,364.40
Dec. 16, 2021Insider7,000$11.48Sell$80,360.00
Nov. 16, 2021Insider7,000$16.49Sell$115,430.00
Oct. 18, 2021Insider7,000$17.49Sell$122,430.00
Sept. 16, 2021Insider7,000$19.46Sell$136,220.00
July 16, 2021Insider7,000$16.80Sell$117,600.00
June 2, 2021Director22,138$18.77Buy$415,530.26
May 28, 2021Director123,505$18.77Buy$2,318,188.85
May 26, 2021Director48,377$18.03Buy$872,237.31
April 21, 2021Director850$27.60Sell$23,460.00
April 19, 2021CFO10,000$25.00Sell$250,000.00
April 16, 2021Insider7,000$24.22Sell$169,540.00
March 16, 2021Insider7,000$24.20Sell$169,400.00
Jan. 19, 2021Insider7,000$21.16Sell$148,120.00
Dec. 16, 2020Insider7,000$27.04Sell$189,280.00
Sept. 21, 2020Director275,000$28.00Sell$7,700,000.00
Sept. 17, 2020Director1,300,000$28.00Buy$36,400,000.00
July 10, 2020Major Shareholder109,090$27.50Buy$2,999,975.00
July 8, 2020Director275,000$27.50Buy$7,562,500.00
Nov. 11, 2019Director837,500$27.00Buy$22,612,500.00
Nov. 11, 2019Major Shareholder575,000$27.00Buy$15,525,000.00
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  • Insiders are both buying and selling 89bio Inc stock.

  • The insider traders at 89bio Inc are: Ra Capital Management, L.P., Ram Waisbourd, Ryan Martins, Rohan Palekar, Orbimed Advisors Llc, Quoc Le-Nguyen, Charles Mcwherter, Longitude Capital Partners Iii, Michael R Hayden, Edward Morrow Atkinson III, Kathleen Laporte, and Gregory Grunberg

  • The most active insider trader at 89bio Inc is Ra Capital Management, L.P. with 10 trades.

  • Orbimed Advisors Llc has sold the most 89bio Inc stock with a total value of $8,524,728.80.

  • Ra Capital Management, L.P. has bought the most 89bio Inc stock with a total value of $227,262,400.07.

  • The most recent insider trade for 89bio Inc was on April 15, 2025.

  • The single biggest insider buy for 89bio Inc was from Ra Capital Management, L.P. with a total value of $49,999,993.75 on Jan. 30, 2025.

  • The single biggest insider sell for 89bio Inc was from Orbimed Advisors Llc with a total value of $7,700,000.00 on Sept. 21, 2020.