Mansbach Harry H - Insider Non-Derivative Transactions at 89bio, Inc. (ETNB) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Oct 30, 2025, Mansbach Harry H's relationship to 89bio, Inc. (ETNB) is Officer (Chief Medical Officer), and currently has 352,656 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other ETNB insiders.

Related Topics: SEC Topic List.
Data Source: SEC.
Mansbach Harry H - Insider Non-Derivative Transactions of ETNB Common Stock
Mansbach Harry H - Insider Non-Derivative Transactions at ETNB
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Date Transaction No. of Shares Price Per Share Shares Owned After Transactions
Oct 31, 2025 U -- (Common Stock) 352656 0 0
Oct 31, 2025 Acquisition -- (Common Stock) 50000 0 352656
Aug 2, 2025 F -- (Common Stock) 7680 9.16 302656
Jun 13, 2025 F -- (Common Stock) 8498 9.62 310336
Feb 18, 2025 F -- (Common Stock) 1050 10.57 318834
Feb 10, 2025 F -- (Common Stock) 3817 11.41 319884
Feb 2, 2025 F -- (Common Stock) 3338 9.6 323701
Feb 2, 2025 Acquisition -- (Common Stock) 80000 0 327039
Dec 13, 2024 Acquisition -- (Common Stock) 95000 0 247039
Sep 10, 2024 F -- (Common Stock) 5352 8.46 152039
Aug 18, 2024 F -- (Common Stock) 1046 8.04 157391
Feb 18, 2024 F -- (Common Stock) 1046 9.74 158437
Feb 10, 2024 F -- (Common Stock) 3568 8.45 159483
Feb 6, 2024 F -- (Common Stock) 1190 9.8 163051
Feb 2, 2024 Acquisition -- (Common Stock) 48750 0 164241
Jan 6, 2024 F -- (Common Stock) 9671 11.53 115491
Jan 6, 2024 Acquisition -- (Common Stock) 25000 0 125162
Sep 10, 2023 F -- (Common Stock) 3821 16.61 100162
Aug 18, 2023 F -- (Common Stock) 1014 15.46 103983
Aug 2, 2023 F -- (Common Stock) 577 15.64 104997
Jul 1, 2023 F -- (Common Stock) 2882 18.95 105574
Jul 1, 2023 Acquisition -- (Common Stock) 8334 0 108456
Apr 1, 2023 F -- (Common Stock) 2882 15.23 100122
Apr 1, 2023 Acquisition -- (Common Stock) 8333 0 103004
Feb 18, 2023 F -- (Common Stock) 2127 13.97 94671
Feb 10, 2023 Acquisition -- (Common Stock) 30000 0 96798
Feb 6, 2023 F -- (Common Stock) 1360 13.24 66798
Feb 2, 2023 F -- (Common Stock) 680 12.05 68158