Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2023-07-17 Sale | 2023-07-18 6:04 pm | 89bio Inc. | ETNB | LAPORTE KATHLEEN Director | 12,500 | $18.8 | $235,000 | 12,500 (Direct) | View |
2023-06-05 Sale | 2023-06-07 5:04 pm | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 15,000 | $20 | $300,000 | 482,209 (Direct) | View |
2023-06-01 Sale | 2023-06-05 5:03 pm | 89bio Inc. | ETNB | Atkinson Edward Morrow III Director | 6,250 | $17.91 | $111,938 | 0 (Direct) | View |
2023-05-09 Sale | 2023-05-11 5:01 pm | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 13,683 | $18.11 | $247,799 | 172,346 (Direct) | View |
2023-04-04 Sale | 2023-04-06 4:06 pm | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 8,721 | $14.95 | $130,379 | 53,578 (Direct) | View |
2023-03-24 Purchase | 2023-03-30 5:00 pm | 89bio Inc. | ETNB | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner | 2,461,538 | $16.25 | $39,999,993 | 11,416,948 (Indirect) | View |
2022-03-30 Purchase | 2023-03-30 4:26 pm | 89bio Inc. | ETNB | Hayden Michael R Director | 87,788 | $12.28 | $1,077,914 | 142,442 (Indirect Direct) | View |
2023-03-23 Sale | 2023-03-27 7:20 pm | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 5,000 | $16.11 | $80,550 | 53,578 (Direct) | View |
2023-03-23 Sale | 2023-03-27 7:18 pm | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 15,000 | $16 | $240,000 | 269,080 (Direct) | View |
2023-03-01 Sale | 2023-03-03 5:18 pm | 89bio Inc. | ETNB | Atkinson Edward Morrow III Director | 10,000 | $13.6 | $136,000 | 20,000 (Direct) | View |
2023-02-21 Sale | 2023-02-22 6:39 pm | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 2,540 | $13.89 | $35,281 | 58,578 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2023-09-09 Tax Withholding | 2023-09-12 4:06 pm | N/A N/A | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 3,821 | $16.61 | 100,162 (Direct) | View |
2023-09-09 Tax Withholding | 2023-09-12 4:05 pm | N/A N/A | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 2,074 | $16.61 | 54,221 (Direct) | View |
2023-09-09 Tax Withholding | 2023-09-12 4:05 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 4,958 | $16.61 | 163,874 (Direct) | View |
2023-08-01 Tax Withholding | 2023-08-21 5:51 pm | N/A N/A | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 577 | $15.64 | 103,983 (Direct) | View |
2023-08-17 Tax Withholding | 2023-08-21 5:51 pm | N/A N/A | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 1,014 | $15.46 | 103,983 (Direct) | View |
2023-08-17 Tax Withholding | 2023-08-21 5:49 pm | N/A N/A | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 4,501 | $15.46 | 300,950 (Direct) | View |
2023-08-01 Tax Withholding | 2023-08-21 5:45 pm | N/A N/A | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 346 | $15.64 | 56,295 (Direct) | View |
2023-08-17 Tax Withholding | 2023-08-21 5:45 pm | N/A N/A | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 753 | $15.46 | 56,295 (Direct) | View |
2023-08-01 Tax Withholding | 2023-08-21 5:43 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 577 | $15.64 | 168,832 (Direct) | View |
2023-08-01 Tax Withholding | 2023-08-21 5:43 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 1,014 | $15.46 | 168,832 (Direct) | View |
2023-07-17 Exercise | 2023-07-18 6:04 pm | N/A N/A | 89bio Inc. | ETNB | LAPORTE KATHLEEN Director | 12,500 | $2.64 | 12,500 (Direct) | View |
2023-07-17 Exercise | 2023-07-18 6:04 pm | N/A 2032-05-16 | 89bio Inc. | ETNB | LAPORTE KATHLEEN Director | 12,500 | $0 | 12,500 (Direct) | View |
2023-06-30 Tax Withholding | 2023-07-05 8:54 pm | N/A N/A | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 2,882 | $18.95 | 105,574 (Direct) | View |
2023-06-30 Option Award | 2023-07-05 8:54 pm | N/A N/A | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 8,334 | $0 | 105,574 (Direct) | View |
2023-06-30 Tax Withholding | 2023-07-05 8:43 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 2,882 | $18.95 | 170,423 (Direct) | View |
2023-06-30 Option Award | 2023-07-05 8:43 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 8,334 | $0 | 170,423 (Direct) | View |
2023-06-30 Tax Withholding | 2023-07-05 8:39 pm | N/A N/A | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 16,527 | $18.95 | 305,451 (Direct) | View |
2023-06-30 Option Award | 2023-07-05 8:39 pm | N/A N/A | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 33,334 | $0 | 305,451 (Direct) | View |
2023-06-30 Tax Withholding | 2023-07-05 8:36 pm | N/A N/A | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 2,018 | $18.95 | 57,394 (Direct) | View |
2023-06-30 Option Award | 2023-07-05 8:36 pm | N/A N/A | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 5,834 | $0 | 57,394 (Direct) | View |
2023-06-05 Exercise | 2023-06-07 5:04 pm | N/A N/A | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 15,000 | $1.93 | 482,209 (Direct) | View |
2023-06-05 Exercise | 2023-06-07 5:04 pm | N/A 2028-11-09 | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 15,000 | $0 | 482,209 (Direct) | View |
2023-06-01 Exercise | 2023-06-05 5:03 pm | N/A N/A | 89bio Inc. | ETNB | Atkinson Edward Morrow III Director | 6,250 | $2.61 | 0 (Direct) | View |
2023-06-01 Exercise | 2023-06-05 5:03 pm | N/A 2032-05-25 | 89bio Inc. | ETNB | Atkinson Edward Morrow III Director | 6,250 | $0 | 0 (Direct) | View |
2023-05-09 Exercise | 2023-05-11 5:01 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 79,571 | $3.11 | 172,346 (Direct) | View |
2023-05-09 Exercise | 2023-05-11 5:01 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 79,571 | $0 | 172,346 (Direct) | View |
2023-03-31 Option Award | 2023-04-04 4:20 pm | N/A N/A | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 13,333 | $0 | 62,299 (Direct) | View |
2023-03-31 Tax Withholding | 2023-04-04 4:20 pm | N/A N/A | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 4,612 | $15.23 | 62,299 (Direct) | View |
2023-03-31 Option Award | 2023-04-04 4:18 pm | N/A N/A | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 33,333 | $0 | 286,970 (Direct) | View |
2023-03-31 Tax Withholding | 2023-04-04 4:18 pm | N/A N/A | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 15,443 | $15.23 | 286,970 (Direct) | View |
2023-03-31 Option Award | 2023-04-04 4:05 pm | N/A N/A | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 8,333 | $0 | 100,122 (Direct) | View |
2023-03-31 Tax Withholding | 2023-04-04 4:05 pm | N/A N/A | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 2,882 | $15.23 | 100,122 (Direct) | View |
2023-03-31 Option Award | 2023-04-04 4:05 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 12,083 | $0 | 99,083 (Direct) | View |
2023-03-31 Tax Withholding | 2023-04-04 4:05 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 4,179 | $15.23 | 99,083 (Direct) | View |
2023-03-01 Exercise | 2023-03-03 5:18 pm | N/A N/A | 89bio Inc. | ETNB | Atkinson Edward Morrow III Director | 10,000 | $4.44 | 20,000 (Direct) | View |
2023-03-01 Exercise | 2023-03-03 5:18 pm | N/A 2032-02-16 | 89bio Inc. | ETNB | Atkinson Edward Morrow III Director | 10,000 | $0 | 20,000 (Direct) | View |
2023-02-17 Tax Withholding | 2023-02-22 6:41 pm | N/A N/A | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 2,127 | $13.97 | 94,671 (Direct) | View |
2023-02-17 Tax Withholding | 2023-02-22 6:39 pm | N/A N/A | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 1,750 | $13.97 | 58,578 (Direct) | View |
2023-02-17 Tax Withholding | 2023-02-22 6:39 pm | N/A N/A | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 2,140 | $13.97 | 91,179 (Direct) | View |
2023-02-17 Tax Withholding | 2023-02-22 6:38 pm | N/A N/A | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 6,279 | $13.97 | 284,072 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:48 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | Altschuler Steven Director | 27,400 | $0 | 27,400 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:43 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | Martins Ryan Chief Financial Officer | 140,000 | $0 | 172,868 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:42 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | Mansbach Harry H Chief Medical Officer | 150,000 | $0 | 216,798 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:42 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | PALEKAR ROHAN Chief Executive Officer | 375,000 | $0 | 590,351 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:42 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | Zoth Lota S. Director | 27,400 | $0 | 27,400 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:37 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | Le-Nguyen Quoc See Remarks | 150,000 | $0 | 213,319 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:35 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | LAPORTE KATHLEEN Director | 27,400 | $0 | 27,400 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:34 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | Grunberg Gregory Director 10% Owner | 27,400 | $0 | 27,400 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:34 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | Hayden Michael R Director | 27,400 | $0 | 27,400 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:33 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | Atkinson Edward Morrow III Director | 27,400 | $0 | 27,400 (Direct) | View |
2023-02-09 Option Award | 2023-02-13 5:30 pm | N/A 2033-02-09 | 89bio Inc. | ETNB | DiRocco Derek Director | 27,400 | $0 | 27,400 (Direct) | View |