Insider · CIK 0001792062

Le-Nguyen Quoc

Reports to the SEC for 1 company · SAN FRANCISCO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001792062

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2025-10-30	ETNB89bio, Inc.A Award	See Remarks	AAward	+50K sh	—	—	351,684
2025-10-30	ETNB89bio, Inc.U Disposition from Tender	See Remarks	UDisposition from Tender	−352K sh	—	—	0
2025-10-30	ETNB89bio, Inc.U Disposition from Tender	See Remarks	UDisposition from Tender	−13.7K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−4,063 sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−3,312 sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−50K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−67.5K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−70K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−120K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−195K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−320K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−26.4K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−17.5K sh	—	—	0
2025-08-01	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−7,680 sh	$9.16	−$70.3K	301,684
2025-08-01	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−522 sh	$9.16	−$4,781.52	13,694
2025-07-15	ETNB89bio, Inc.S Sale	See Remarks	SSale	−10.5K sh	$11.02	−$115K	309,364
2025-06-12	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−8,498 sh	$9.62	−$81.8K	319,825
2025-06-12	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−534 sh	$9.62	−$5,137.08	14,216
2025-04-15	ETNB89bio, Inc.S Sale	See Remarks	SSale	−15.3K sh	$5.95	−$91.2K	328,323
2025-02-17	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−1,050 sh	$10.57	−$11.1K	343,652
2025-02-09	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−3,793 sh	$11.41	−$43.3K	344,702
2025-02-01	ETNB89bio, Inc.A Award	See Remarks	AAward	+80K sh	—	—	351,833
2025-02-01	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−3,338 sh	$9.60	−$32K	348,495
2025-02-01	ETNB89bio, Inc. · Stock Option (Right to Buy)A Award	See Remarks	AAward	+320K sh	—	—	320,000
2025-02-01	ETNB89bio, Inc.A Award	See Remarks	AAward	+8,750 sh	$9.60	+$84K	14,750
2025-02-01	ETNB89bio, Inc. · Stock Option (Right to Buy)A Award	See Remarks	AAward	+17.5K sh	—	—	17,500
2025-01-15	ETNB89bio, Inc.S Sale	See Remarks	SSale	−11K sh	$6.49	−$71.1K	271,833
2024-12-12	ETNB89bio, Inc.A Award	See Remarks	AAward	−95K sh	—	—	282,796
2024-12-12	ETNB89bio, Inc.A Award	See Remarks	AAward	+6,000 sh	—	—	6,000
2024-10-30	ETNB89bio, Inc.S Sale	See Remarks	SSale	−28K sh	$8.12	−$227K	187,796
2024-09-09	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−5,352 sh	$8.46	−$45.3K	215,751
2024-08-17	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−1,046 sh	$8.04	−$8,409.84	221,103
2024-04-02	ETNB89bio, Inc. · Stock Option (Right to Buy)A Award	See Remarks	AAward	+26.4K sh	—	—	26,400
2024-02-17	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−1,046 sh	$9.74	−$10.2K	222,149
2024-02-09	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−3,568 sh	$8.45	−$30.1K	223,195
2024-02-05	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−1,190 sh	$9.80	−$11.7K	226,763
2024-02-01	ETNB89bio, Inc.A Award	See Remarks	AAward	+48.8K sh	—	—	227,953
2024-02-01	ETNB89bio, Inc. · Stock Option (Right to Buy)A Award	See Remarks	AAward	+195K sh	—	—	195,000
2024-01-05	ETNB89bio, Inc.A Award	See Remarks	AAward	+25K sh	—	—	188,874
2024-01-05	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−9,671 sh	$11.53	−$112K	179,203
2023-09-09	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−4,958 sh	$16.61	−$82.4K	163,874
2023-08-01	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−577 sh	$15.64	−$9,024.28	169,846
2023-08-01	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−1,014 sh	$15.46	−$15.7K	168,832
2023-06-30	ETNB89bio, Inc.A Award	See Remarks	AAward	+8,334 sh	—	—	173,305
2023-06-30	ETNB89bio, Inc.F Tax Payment	See Remarks	FTax Payment	−2,882 sh	$18.95	−$54.6K	170,423
2023-05-09	ETNB89bio, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+60.9K sh	$3.11	+$190K	160,028
2023-05-09	ETNB89bio, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+18.6K sh	$3.11	+$57.9K	178,654
2023-05-09	ETNB89bio, Inc.S Sale	See Remarks	SSale	−13.7K sh	$18.11	−$248K	164,971
2023-05-09	ETNB89bio, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−60.9K sh	—	—	4,063
2023-05-09	ETNB89bio, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−18.6K sh	—	—	3,312

Recent filings

Accepted (ET)
Oct 304
Le-Nguyen Quoc0001193125-25-259045
SEC(opens sec.gov)
Aug 54
Le-Nguyen Quoc0000950170-25-103389
SEC(opens sec.gov)
Jul 174
Le-Nguyen Quoc0000950170-25-096692
SEC(opens sec.gov)
Jun 134
Le-Nguyen Quoc0000950170-25-086418
SEC(opens sec.gov)
Apr 174
Le-Nguyen Quoc0000950170-25-055374
SEC(opens sec.gov)
Feb 194
Le-Nguyen Quoc0000950170-25-023120
SEC(opens sec.gov)

Companies

89bio, Inc.See RemarksETNB

Address

C/O 89BIO, INC. 655 MONTGOMERY STREET, SUITE 1500

SAN FRANCISCO, CA, 94111