Insider · CIK 0001792018

Martins Ryan

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

sec.gov

Transactions

Companies

Filings

CIK

0001792018

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2025-10-30	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	+35K sh	—	—	374,295
2025-10-30	ETNB89bio, Inc.U Disposition from Tender	Chief Financial Officer	UDisposition from Tender	−374K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−47.5K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−57.5K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−48.1K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−110K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−175K sh	—	—	0
2025-10-30	ETNB89bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−300K sh	—	—	0
2025-10-22	ETNB89bio, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+76.9K sh	$3.11	+$239K	335,397
2025-10-22	ETNB89bio, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+3,898 sh	$4.44	+$17.3K	339,295
2025-10-22	ETNB89bio, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−76.9K sh	—	—	0
2025-10-22	ETNB89bio, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−3,898 sh	—	—	48,102
2025-08-01	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−7,680 sh	$9.16	−$70.3K	253,496
2025-06-12	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−8,498 sh	$9.62	−$81.8K	261,176
2025-02-17	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−780 sh	$10.57	−$8,244.6	269,674
2025-02-09	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−3,828 sh	$11.41	−$43.7K	270,454
2025-02-01	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	+80K sh	—	—	277,620
2025-02-01	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−3,338 sh	$9.60	−$32K	274,282
2025-02-01	ETNB89bio, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+300K sh	—	—	300,000
2024-12-12	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	−95K sh	—	—	197,620
2024-09-09	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−3,212 sh	$8.46	−$27.2K	102,620
2024-08-17	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−777 sh	$8.04	−$6,247.08	105,832
2024-02-17	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−778 sh	$9.74	−$7,577.72	106,609
2024-02-09	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−3,568 sh	$8.45	−$30.1K	107,387
2024-02-05	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−892 sh	$9.80	−$8,741.6	110,955
2024-02-01	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	+48.8K sh	—	—	111,847
2024-02-01	ETNB89bio, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+175K sh	—	—	175,000
2024-01-05	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	+15K sh	—	—	69,221
2024-01-05	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−6,124 sh	$11.53	−$70.6K	63,097
2023-09-09	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−2,074 sh	$16.61	−$34.4K	54,221
2023-08-17	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−753 sh	$15.46	−$11.6K	56,295
2023-08-01	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−346 sh	$15.64	−$5,411.44	57,048
2023-06-30	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	+5,834 sh	—	—	59,412
2023-06-30	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−2,018 sh	$18.95	−$38.2K	57,394
2023-04-04	ETNB89bio, Inc.S Sale	Chief Financial Officer	SSale	−8,721 sh	$14.95	−$130K	53,578
2023-03-31	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	+5,833 sh	—	—	59,411
2023-03-31	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−2,018 sh	$15.23	−$30.7K	57,393
2023-03-31	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	+7,500 sh	—	—	64,893
2023-03-31	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−2,594 sh	$15.23	−$39.5K	62,299
2023-03-23	ETNB89bio, Inc.S Sale	Chief Financial Officer	SSale	−5,000 sh	$16.11	−$80.6K	53,578
2023-02-21	ETNB89bio, Inc.S Sale	Chief Financial Officer	SSale	−2,540 sh	$13.89	−$35.3K	58,578
2023-02-17	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−1,750 sh	$13.97	−$24.4K	61,118
2023-02-09	ETNB89bio, Inc.A Award	Chief Financial Officer	AAward	+30K sh	—	—	62,868
2023-02-09	ETNB89bio, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+110K sh	—	—	110,000
2023-02-08	ETNB89bio, Inc.S Sale	Chief Financial Officer	SSale	−1,480 sh	$14.41	−$21.3K	32,868
2023-02-05	ETNB89bio, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−592 sh	$13.24	−$7,838.08	34,348
2023-02-03	ETNB89bio, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+3,000 sh	$3.11	+$9,330	38,960
2023-02-03	ETNB89bio, Inc.S Sale	Chief Financial Officer	SSale	−3,000 sh	$13.11	−$39.3K	38,960
2023-02-03	ETNB89bio, Inc.S Sale	Chief Financial Officer	SSale	−592 sh	$12.70	−$7,518.4	35,368
2023-02-03	ETNB89bio, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−3,000 sh	—	—	81,901

Recent filings

Accepted (ET)
Oct 304
Martins Ryan0001193125-25-259059
SEC(opens sec.gov)
Oct 234
Martins Ryan0001193125-25-248899
SEC(opens sec.gov)
Aug 54
Martins Ryan0000950170-25-103382
SEC(opens sec.gov)
Jun 134
Martins Ryan0000950170-25-086420
SEC(opens sec.gov)
Feb 194
Martins Ryan0000950170-25-023117
SEC(opens sec.gov)
Feb 114
Martins Ryan0000950170-25-017865
SEC(opens sec.gov)
Feb 44
Martins Ryan0000950170-25-014094
SEC(opens sec.gov)
Dec 164
Martins Ryan0000950170-24-136368
SEC(opens sec.gov)

Companies

89bio, Inc.Chief Financial OfficerETNB

Address

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

SAN FRANCISCO, CA, 94111