Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of 89bio, Inc. (ETNB) since 2019 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of 89bio, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1785173.
Total stock buying since 2019: $258,980,402.
Total stock sales since 2019: $20,751,644.
Total stock option exercises since 2019: $834,590.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 5,729,285 | $50,099,843 | 26,292 | $162,356 | 0 | $0 |
| 2024 | 1,375,000 | $20,925,450 | 85,150 | $850,319 | 25,000 | $48,250 |
| 2023 | 2,523,076 | $40,993,830 | 78,766 | $1,284,624 | 111,321 | $350,507 |
| 2022 | 4,023,391 | $19,108,388 | 77,573 | $632,283 | 7,000 | $13,510 |
| 2021 | 236,555 | $4,390,441 | 94,850 | $1,913,208 | 174,904 | $381,159 |
| 2020 | 1,793,180 | $49,962,450 | 568,548 | $15,908,854 | 18,548 | $41,164 |
| 2019 | 4,593,750 | $73,500,000 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-04 | 0 | $0 | 15,329 | $91,207 | 0 | $0 |
| 2025-01 | 5,729,285 | $50,099,843 | 10,963 | $71,149 | 0 | $0 |
| 2024-12 | 15,000 | $119,450 | 0 | $0 | 0 | $0 |
| 2024-11 | 10,000 | $83,500 | 0 | $0 | 0 | $0 |
| 2024-10 | 0 | $0 | 27,955 | $226,994 | 0 | $0 |
| 2024-04 | 0 | $0 | 52,718 | $575,153 | 25,000 | $48,250 |
| 2024-03 | 1,350,000 | $20,722,500 | 0 | $0 | 0 | $0 |
| 2024-02 | 0 | $0 | 4,477 | $48,172 | 0 | $0 |
| 2023-07 | 0 | $0 | 12,500 | $235,000 | 12,500 | $33,000 |
| 2023-06 | 0 | $0 | 6,250 | $111,937 | 6,250 | $16,312 |
| 2023-05 | 0 | $0 | 13,683 | $247,799 | 79,571 | $247,465 |
| 2023-04 | 0 | $0 | 8,721 | $130,378 | 0 | $0 |
| 2023-03 | 2,523,076 | $40,993,830 | 30,000 | $456,550 | 10,000 | $44,400 |
| 2023-02 | 0 | $0 | 7,612 | $102,960 | 3,000 | $9,330 |
| 2022-10 | 1,172,741 | $8,971,468 | 0 | $0 | 0 | $0 |
| 2022-07 | 2,816,900 | $9,999,995 | 0 | $0 | 0 | $0 |
| 2022-04 | 20,000 | $61,450 | 0 | $0 | 0 | $0 |
| 2022-03 | 6,250 | $22,625 | 0 | $0 | 0 | $0 |
| 2022-02 | 0 | $0 | 7,000 | $39,900 | 7,000 | $13,510 |
| 2022-01 | 7,500 | $52,850 | 70,573 | $592,383 | 0 | $0 |
| 2021-12 | 0 | $0 | 7,000 | $80,360 | 7,000 | $13,510 |
| 2021-11 | 0 | $0 | 7,000 | $115,429 | 7,000 | $13,510 |
| 2021-10 | 0 | $0 | 7,000 | $122,429 | 7,000 | $13,510 |
| 2021-09 | 0 | $0 | 7,000 | $136,220 | 7,000 | $13,510 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-04-15 | Le-nguyen Quoc (See Remarks) | Sale | 15,329 | 5.95 | 91,207 |
| 2025-01-30 | Shah Rajeev M. | Buy | 5,714,285 | 8.75 | 49,999,993 |
| 2025-01-22 | Mcwherter Charles | Buy | 10,000 | 6.71 | 67,100 |
| 2025-01-21 | Mcwherter Charles | Buy | 5,000 | 6.55 | 32,750 |
| 2025-01-15 | Le-nguyen Quoc (See Remarks) | Sale | 10,963 | 6.49 | 71,149 |
| 2024-12-06 | Palekar Rohan (Chief Executive Officer) | Buy | 5,000 | 7.89 | 39,450 |
| 2024-12-05 | Mcwherter Charles | Buy | 10,000 | 8.00 | 80,000 |
| 2024-11-22 | Palekar Rohan (Chief Executive Officer) | Buy | 10,000 | 8.35 | 83,500 |
| 2024-10-30 | Le-nguyen Quoc (See Remarks) | Sale | 27,955 | 8.12 | 226,994 |
| 2024-04-01 | Palekar Rohan (Chief Executive Officer) | Sale | 52,718 | 10.91 | 575,153 |
| 2024-04-01 | Palekar Rohan (Chief Executive Officer) | Option Ex | 25,000 | 1.93 | 48,250 |
| 2024-03-04 | Shah Rajeev M. | Buy | 1,350,000 | 15.35 | 20,722,500 |
| 2024-02-26 | Palekar Rohan (Chief Executive Officer) | Sale | 4,477 | 10.76 | 48,172 |
| 2023-07-17 | Laporte Kathleen | Sale | 12,500 | 18.80 | 235,000 |
| 2023-07-17 | Laporte Kathleen | Option Ex | 12,500 | 2.64 | 33,000 |
| 2023-06-01 | Atkinson Edward Morrow Iii | Sale | 6,250 | 17.91 | 111,937 |
| 2023-06-01 | Atkinson Edward Morrow Iii | Option Ex | 6,250 | 2.61 | 16,312 |
| 2023-05-09 | Le-nguyen Quoc (See Remarks) | Sale | 13,683 | 18.11 | 247,799 |
| 2023-05-09 | Le-nguyen Quoc (See Remarks) | Option Ex | 79,571 | 3.11 | 247,465 |
| 2023-04-04 | Martins Ryan (Chief Financial Officer) | Sale | 8,721 | 14.95 | 130,378 |
| 2023-03-28 | Hayden Michael R | Buy | 61,538 | 16.15 | 993,838 |
| 2023-03-24 | Shah Rajeev M. | Buy | 2,461,538 | 16.25 | 39,999,992 |
| 2023-03-23 | Martins Ryan (Chief Financial Officer) | Sale | 5,000 | 16.11 | 80,550 |
| 2023-03-23 | Palekar Rohan (Chief Executive Officer) | Sale | 15,000 | 16.00 | 240,000 |
| 2023-03-01 | Atkinson Edward Morrow Iii (Director) | Sale | 10,000 | 13.60 | 136,000 |
| 2023-03-01 | Atkinson Edward Morrow Iii (Director) | Option Ex | 10,000 | 4.44 | 44,400 |
| 2023-02-21 | Martins Ryan (Chief Financial Officer) | Sale | 2,540 | 13.89 | 35,280 |
| 2023-02-08 | Martins Ryan (Chief Financial Officer) | Sale | 1,480 | 14.41 | 21,326 |
| 2023-02-03 | Martins Ryan (Chief Financial Officer) | Sale | 3,592 | 12.90 | 46,354 |
| 2023-02-03 | Martins Ryan (Chief Financial Officer) | Option Ex | 3,000 | 3.11 | 9,330 |
| 2022-10-18 | Shah Rajeev M. | Buy | 1,172,741 | 7.65 | 8,971,468 |
| 2022-07-01 | Shah Rajeev M. | Buy | 2,816,900 | 3.55 | 9,999,995 |
| 2022-04-25 | Hayden Michael R | Buy | 10,000 | 2.67 | 26,700 |
| 2022-04-07 | Hayden Michael R | Buy | 10,000 | 3.48 | 34,750 |
| 2022-03-30 | Hayden Michael R | Buy | 6,250 | 3.62 | 22,625 |
| 2022-02-01 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 5.70 | 39,900 |
| 2022-02-01 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2022-01-28 | Palekar Rohan (Chief Executive Officer) | Buy | 2,500 | 6.14 | 15,350 |
| 2022-01-27 | Palekar Rohan (Chief Executive Officer) | Buy | 5,000 | 7.50 | 37,500 |
| 2022-01-26 | Orbimed Israel Gp Ii, L.p. | Sale | 21,482 | 8.38 | 180,019 |
| 2022-01-25 | Orbimed Israel Gp Ii, L.p. | Sale | 49,091 | 8.40 | 412,364 |
| 2021-12-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 11.48 | 80,360 |
| 2021-12-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-11-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 16.49 | 115,429 |
| 2021-11-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-10-18 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 17.49 | 122,429 |
| 2021-10-18 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-09-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 19.46 | 136,220 |
| 2021-09-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-08-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 18.28 | 127,960 |
| 2021-08-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-07-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 16.80 | 117,600 |
| 2021-07-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-07-08 | Palekar Rohan (Chief Executive Officer) | Buy | 2,000 | 16.25 | 32,500 |
| 2021-07-07 | Palekar Rohan (Chief Executive Officer) | Buy | 5,000 | 17.07 | 85,350 |
| 2021-06-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 19.67 | 137,690 |
| 2021-06-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-06-02 | Shah Rajeev M. | Buy | 22,138 | 18.77 | 415,530 |
| 2021-05-28 | Shah Rajeev M. | Buy | 123,505 | 18.77 | 2,318,188 |
| 2021-05-27 | Shah Rajeev M. | Buy | 35,535 | 18.76 | 666,636 |
| 2021-05-26 | Shah Rajeev M. | Buy | 48,377 | 18.03 | 872,237 |
| 2021-05-17 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 21.61 | 151,270 |
| 2021-05-17 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-04-21 | Grunberg Gregory (Director) | Sale | 850 | 27.60 | 23,460 |
| 2021-04-19 | Martins Ryan (Chief Financial Officer) | Sale | 10,000 | 25.00 | 250,000 |
| 2021-04-19 | Martins Ryan (Chief Financial Officer) | Option Ex | 10,000 | 3.11 | 31,100 |
| 2021-04-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 24.22 | 169,540 |
| 2021-04-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-03-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 24.20 | 169,400 |
| 2021-03-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-02-23 | Hayden Michael R (Director) | Option Ex | 80,904 | 2.32 | 187,939 |
| 2021-02-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 23.39 | 163,730 |
| 2021-02-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2021-01-19 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 21.16 | 148,120 |
| 2021-01-19 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2020-12-16 | Waisbourd Ram (See Remarks) | Sale | 7,000 | 27.04 | 189,280 |
| 2020-12-16 | Waisbourd Ram (See Remarks) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2020-11-16 | Waisbourd Ram (COO and Chief Business Officer) | Sale | 7,000 | 27.39 | 191,730 |
| 2020-11-16 | Waisbourd Ram (COO and Chief Business Officer) | Option Ex | 7,000 | 1.93 | 13,510 |
| 2020-11-16 | Le-nguyen Quoc (See Remarks) | Sale | 4,548 | 28.11 | 127,844 |
| 2020-11-16 | Le-nguyen Quoc (See Remarks) | Option Ex | 4,548 | 3.11 | 14,144 |
| 2020-09-21 | Naschitz Anat | Sale | 275,000 | 28.00 | 7,700,000 |
| 2020-09-21 | Orbimed Israel Gp Ii, L.p. | Sale | 275,000 | 28.00 | 7,700,000 |
| 2020-09-17 | Shah Rajeev M. | Buy | 1,300,000 | 28.00 | 36,400,000 |
| 2020-07-10 | Grunberg Gregory (Director) | Buy | 109,090 | 27.50 | 2,999,975 |
| 2020-07-10 | Enright Patrick G (10% Owner) | Buy | 109,090 | 27.50 | 2,999,975 |
| 2020-07-08 | Shah Rajeev M. | Buy | 275,000 | 27.50 | 7,562,500 |
| 2019-11-11 | Pontifax Late Stage Fund L.p. (10% Owner) | Buy | 250,000 | 16.00 | 4,000,000 |
| 2019-11-11 | Naschitz Anat (Director) | Buy | 837,500 | 16.00 | 13,400,000 |
| 2019-11-11 | Grunberg Gregory (Director) | Buy | 575,000 | 16.00 | 9,200,000 |
| 2019-11-11 | Orbimed Israel Gp Ii, L.p. (Director) | Buy | 837,500 | 16.00 | 13,400,000 |
| 2019-11-11 | Shah Rajeev M. | Buy | 1,500,000 | 16.00 | 24,000,000 |
| 2019-11-11 | Hayden Michael R (Director) | Buy | 18,750 | 16.00 | 300,000 |
| 2019-11-11 | Enright Patrick G (10% Owner) | Buy | 575,000 | 16.00 | 9,200,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of ETNB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of 89bio, Inc. (symbol ETNB, CIK number 1785173) see the Securities and Exchange Commission (SEC) website.