1. Corporate Officers - M
2. Molina Arturo Md

Insider Trading History of Molina Arturo Md

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Molina Arturo Md since 2019. This trader's CIK number is 1398940. At the time of last reporting, Molina Arturo Md was the Chief Medical Officer of Protagonist Therapeutics, Inc. (stock ticker symbol PTGX). Also see all insider trading activities at Protagonist Therapeutics, Inc.

Note that in the past MOLINA ARTURO MD also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Sutro Biopharma, Inc. (STRO) by Molina Arturo Md

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2022	STRO	0	$0	0	$0	17,750	$0
2021	STRO	0	$0	0	$0	13,859	$0
2020	STRO	6,451	$49,995	0	$0	8,609	$0
2019	STRO	0	$0	0	$0	8,608	$0

Yearly summary of insider trading at Protagonist Therapeutics, Inc (PTGX) by Molina Arturo Md

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	PTGX	0	$0	54,154	$2,826,250	50,514	$1,112,834
2024	PTGX	0	$0	35,283	$1,521,530	31,529	$253,492

Insider trading activities at 2 companies by Molina Arturo Md:

1. Sutro Biopharma, Inc. (STRO)

2. Protagonist Therapeutics, Inc (PTGX)

Table 1. Insider trading of Sutro Biopharma, Inc. (STRO) by Molina Arturo Md

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2022-03-05	STRO	Option Ex	12,500	.00	0
2022-01-29	STRO	Option Ex	5,250	.00	0
2021-09-24	STRO	Option Ex	8,609	.00	0
2021-01-29	STRO	Option Ex	5,250	.00	0
2020-09-25	STRO	Option Ex	8,609	.00	0
2020-05-14	STRO	Buy	6,451	7.75	49,995
2019-09-26	STRO	Option Ex	8,608	.00	0

Table 2. Insider trading of Protagonist Therapeutics, Inc (PTGX) by Molina Arturo Md

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-06-09	PTGX	Option Ex	10,000	8.04	80,399
2025-06-10	PTGX	Option Ex	10,000	8.04	80,399
2025-06-09	PTGX	Sale	10,000	55.51	555,100
2025-06-10	PTGX	Sale	10,000	57.03	570,300
2025-03-13	PTGX	Sale	30,514	55.74	1,700,850
2025-03-13	PTGX	Option Ex	30,514	31.20	952,036
2025-01-16	PTGX	Sale	3,640	.00	0
2024-11-26	PTGX	Option Ex	5,529	8.04	44,453
2024-11-27	PTGX	Option Ex	26,000	8.04	209,039
2024-11-26	PTGX	Sale	5,529	45.60	252,122
2024-11-27	PTGX	Sale	26,000	44.66	1,161,290
2024-11-15	PTGX	Sale	1,906	40.98	78,107
2023-11-15	PTGX	Sale	1,848	16.24	30,011

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Molina Arturo Md (Chief Medical Officer of Protagonist Therapeutics, Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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