Le-Nguyen Quoc sold 89bio Inc ($ETNB) shares on the open market twice in the last year for a total of about $206,500. His most recent sale occurred on July 15, 2025. These transactions rank 8348th among 11,678 insiders by sale value, well below the average of 8.6 million per insider and 6.4 transactions. He made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 3312 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.00% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 4063 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.00% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | U | Common Stock | 13694 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.01% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | U | Common Stock | 351684 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.22% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 50000 | $0.00 | 351,684.0000 | 157,880,203 | 16.57% | 0.03% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 320000 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.20% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 195000 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.12% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 120000 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.08% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 70000 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.04% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 67500 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.04% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 50000 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.03% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 17500 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.01% |
| Oct. 30, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | D | Stock Option (Right to Buy) | 26400 | $0.00 | 0.0000 | 157,880,203 | 100.00% | 0.02% |
| Aug. 1, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 522 | $9.16 | 315,378.0000 | 157,880,203 | 0.17% | 0.00% |
| Aug. 1, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 7680 | $9.16 | 315,378.0000 | 157,880,203 | 2.38% | 0.00% |
| July 15, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | S | Common Stock | 10461 | $11.02 | 323,580.0000 | 157,880,203 | 3.13% | 0.01% |
| June 12, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 8498 | $9.62 | 334,041.0000 | 104,714,613 | 2.48% | 0.01% |
| June 12, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 534 | $9.62 | 334,041.0000 | 104,714,613 | 0.16% | 0.00% |
| April 15, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | S | Common Stock | 15329 | $5.95 | 343,073.0000 | 104,714,613 | 4.28% | 0.01% |
| Feb. 1, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 8750 | $9.60 | 358,402.0000 | 104,714,613 | 2.50% | 0.01% |
| Dec. 12, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 6000 | $0.00 | 349,652.0000 | 99,831,111 | 1.75% | 0.01% |
| Feb. 17, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 1050 | $10.57 | 358,402.0000 | 104,714,613 | 0.29% | 0.00% |
| April 2, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Stock Option (Right to Buy) | 26400 | $0.00 | 26,400.0000 | 71,172,870 | 9999.99% | 0.04% |
| Feb. 1, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Stock Option (Right to Buy) | 17500 | $0.00 | 17,500.0000 | 104,714,613 | 9999.99% | 0.02% |
| Feb. 9, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 3793 | $11.41 | 344,702.0000 | 104,714,613 | 1.09% | 0.00% |
| Feb. 1, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Stock Option (Right to Buy) | 320000 | $0.00 | 320,000.0000 | 104,714,613 | 9999.99% | 0.31% |
| Feb. 1, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 3338 | $9.60 | 348,495.0000 | 104,714,613 | 0.95% | 0.00% |
| Feb. 1, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 80000 | $0.00 | 351,833.0000 | 104,714,613 | 29.43% | 0.08% |
| Jan. 15, 2025 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | S | Common Stock | 10963 | $6.49 | 271,833.0000 | 104,714,613 | 3.88% | 0.01% |
| Dec. 12, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 95000 | $0.00 | 282,796.0000 | 99,831,111 | 25.15% | 0.10% |
| Oct. 30, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | S | Common Stock | 27955 | $8.12 | 187,796.0000 | 99,831,111 | 12.96% | 0.03% |
| Sept. 9, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 5352 | $8.46 | 215,751.0000 | 99,831,111 | 2.42% | 0.01% |
| Aug. 17, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 1046 | $8.04 | 221,103.0000 | 99,831,111 | 0.47% | 0.00% |
| Feb. 17, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 1046 | $9.74 | 222,149.0000 | 71,172,870 | 0.47% | 0.00% |
| Feb. 9, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 3568 | $8.45 | 223,195.0000 | 71,172,870 | 1.57% | 0.01% |
| Feb. 1, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Stock Option (Right to Buy) | 195000 | $0.00 | 195,000.0000 | 71,172,870 | 9999.99% | 0.27% |
| Feb. 5, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 1190 | $9.80 | 226,763.0000 | 71,172,870 | 0.52% | 0.00% |
| Feb. 1, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 48750 | $0.00 | 227,953.0000 | 71,172,870 | 27.20% | 0.07% |
| Jan. 5, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 9671 | $11.53 | 179,203.0000 | 71,172,870 | 5.12% | 0.01% |
| Jan. 5, 2024 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 25000 | $0.00 | 188,874.0000 | 71,172,870 | 15.26% | 0.04% |
| Sept. 9, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 4958 | $16.61 | 163,874.0000 | 34,806,349 | 2.94% | 0.01% |
| Aug. 1, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 577 | $15.64 | 169,846.0000 | 34,806,349 | 0.34% | 0.00% |
| Aug. 1, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 1014 | $15.46 | 168,832.0000 | 34,806,349 | 0.60% | 0.00% |
| June 30, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 8334 | $0.00 | 173,305.0000 | 34,806,349 | 5.05% | 0.02% |
| June 30, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 2882 | $18.95 | 170,423.0000 | 34,806,349 | 1.66% | 0.01% |
| May 9, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | M | Common Stock | 60945 | $3.11 | 160,028.0000 | 34,806,349 | 61.51% | 0.18% |
| May 9, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | M | Common Stock | 18626 | $3.11 | 178,654.0000 | 34,806,349 | 11.64% | 0.05% |
| May 9, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | S | Common Stock | 13683 | $18.11 | 164,971.0000 | 34,806,349 | 7.66% | 0.04% |
| May 9, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | M | Stock Option (Right to Buy) | 60945 | $0.00 | 4,063.0000 | 34,806,349 | 93.75% | 0.18% |
| May 9, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | M | Stock Option (Right to Buy) | 18626 | $0.00 | 3,312.0000 | 34,806,349 | 84.90% | 0.05% |
| March 31, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 8333 | $0.00 | 99,512.0000 | 34,806,349 | 9.14% | 0.02% |
| March 31, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 2882 | $15.23 | 96,630.0000 | 34,806,349 | 2.90% | 0.01% |
| March 31, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 3750 | $0.00 | 100,380.0000 | 34,806,349 | 3.88% | 0.01% |
| March 31, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 1297 | $15.23 | 99,083.0000 | 34,806,349 | 1.29% | 0.00% |
| Feb. 17, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 2140 | $13.97 | 91,179.0000 | 34,806,349 | 2.29% | 0.01% |
| Feb. 9, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Common Stock | 30000 | $0.00 | 93,319.0000 | 34,806,349 | 47.38% | 0.09% |
| Feb. 9, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | A | Stock Option (Right to Buy) | 120000 | $0.00 | 120,000.0000 | 34,806,349 | 9999.99% | 0.34% |
| Feb. 5, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 1390 | $13.24 | 63,319.0000 | 34,806,349 | 2.15% | 0.00% |
| Feb. 1, 2023 | 89bio, Inc. | $ETNB | Le-Nguyen Quoc | See Remarks | F | Common Stock | 695 | $12.05 | 64,709.0000 | 34,806,349 | 1.06% | 0.00% |