Martins Ryan - 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, Martins Ryan's relationship to 89bio, Inc. (ETNB) is Officer (Chief Financial Officer), and currently has 374,295 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.
Martins Ryan - Insider Non-Derivative Transactions of ETNB Common Stock
Martins Ryan - 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) | 374295 | 0 | 0 |
| Oct 31, 2025 | Acquisition -- (Common Stock) | 35000 | 0 | 374295 |
| Oct 23, 2025 | M -- (Common Stock) | 76901 | 3.11 | 335397 |
| Oct 23, 2025 | M -- (Common Stock) | 3898 | 4.44 | 339295 |
| Aug 2, 2025 | F -- (Common Stock) | 7680 | 9.16 | 253496 |
| Jun 13, 2025 | F -- (Common Stock) | 8498 | 9.62 | 261176 |
| Feb 18, 2025 | F -- (Common Stock) | 780 | 10.57 | 269674 |
| Feb 10, 2025 | F -- (Common Stock) | 3828 | 11.41 | 270454 |
| Feb 2, 2025 | F -- (Common Stock) | 3338 | 9.6 | 274282 |
| Feb 2, 2025 | Acquisition -- (Common Stock) | 80000 | 0 | 277620 |
| Dec 13, 2024 | Acquisition -- (Common Stock) | 95000 | 0 | 197620 |
| Sep 10, 2024 | F -- (Common Stock) | 3212 | 8.46 | 102620 |
| Aug 18, 2024 | F -- (Common Stock) | 777 | 8.04 | 105832 |
| Feb 18, 2024 | F -- (Common Stock) | 778 | 9.74 | 106609 |
| Feb 10, 2024 | F -- (Common Stock) | 3568 | 8.45 | 107387 |
| Feb 6, 2024 | F -- (Common Stock) | 892 | 9.8 | 110955 |
| Feb 2, 2024 | Acquisition -- (Common Stock) | 48750 | 0 | 111847 |
| Jan 6, 2024 | F -- (Common Stock) | 6124 | 11.53 | 63097 |
| Jan 6, 2024 | Acquisition -- (Common Stock) | 15000 | 0 | 69221 |
| Sep 10, 2023 | F -- (Common Stock) | 2074 | 16.61 | 54221 |
| Aug 18, 2023 | F -- (Common Stock) | 753 | 15.46 | 56295 |
| Aug 2, 2023 | F -- (Common Stock) | 346 | 15.64 | 57048 |
| Jul 1, 2023 | F -- (Common Stock) | 2018 | 18.95 | 57394 |
| Jul 1, 2023 | Acquisition -- (Common Stock) | 5834 | 0 | 59412 |
| Apr 5, 2023 | Sell -- (Common Stock) | 8721 | 14.95 | 53578 |
| Apr 1, 2023 | F -- (Common Stock) | 2018 | 15.23 | 57393 |
| Apr 1, 2023 | Acquisition -- (Common Stock) | 5833 | 0 | 59411 |
| Apr 1, 2023 | F -- (Common Stock) | 2594 | 15.23 | 62299 |
| Apr 1, 2023 | Acquisition -- (Common Stock) | 7500 | 0 | 64893 |
| Mar 24, 2023 | Sell -- (Common Stock) | 5000 | 16.11 | 53578 |
| Feb 22, 2023 | Sell -- (Common Stock) | 2540 | 13.89 | 58578 |
| Feb 18, 2023 | F -- (Common Stock) | 1750 | 13.97 | 61118 |
| Feb 10, 2023 | Acquisition -- (Common Stock) | 30000 | 0 | 62868 |
| Feb 9, 2023 | Sell -- (Common Stock) | 1480 | 14.41 | 32868 |
| Feb 6, 2023 | F -- (Common Stock) | 592 | 13.24 | 34348 |
| Feb 4, 2023 | Sell -- (Common Stock) | 592 | 12.7 | 35368 |
| Feb 4, 2023 | M -- (Common Stock) | 3000 | 3.11 | 38960 |
| Feb 4, 2023 | Sell -- (Common Stock) | 3000 | 13.11 | 38960 |
| Feb 2, 2023 | F -- (Common Stock) | 408 | 12.05 | 35960 |
| Jan 4, 2023 | Sell -- (Common Stock) | 5947 | 12.51 | 36368 |
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