SEC Insider Transactions from Le-Nguyen Quoc.

Last updated: 2026-03-14 11:32 UTC | Total transactions: 59

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.

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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%