1. Corporate Officers - G
2. Giraudo Bryan

Insider Trading History of Giraudo Bryan

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Giraudo Bryan since 2018. This trader's CIK number is 1740847. At the time of last reporting, Giraudo Bryan was the Officer of Protagonist Therapeutics, Inc. (stock ticker symbol PTGX). Also see all insider trading activities at Protagonist Therapeutics, Inc.

Note that in the past Giraudo Bryan also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Gossamer Bio, Inc. (GOSS) by Giraudo Bryan

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2024	GOSS	100,000	$59,100	6,430	$7,433	0	$0
2023	GOSS	105,000	$104,550	0	$0	0	$0
2022	GOSS	13,869	$99,995	10,722	$95,586	0	$0
2020	GOSS	5,000	$55,958	0	$0	0	$0
2019	GOSS	8,121	$133,510	0	$0	0	$0

Yearly summary of insider trading at Protagonist Therapeutics, Inc (PTGX) by Giraudo Bryan

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2026	PTGX	0	$0	59,130	$5,918,040	36,000	$241,740
2019	PTGX	8,000	$45,624	0	$0	0	$0
2017	PTGX	10,000	$64,570	0	$0	0	$0

Insider trading activities at 2 companies by Giraudo Bryan:

1. Gossamer Bio, Inc. (GOSS)

2. Protagonist Therapeutics, Inc (PTGX)

Table 1. Insider trading of Gossamer Bio, Inc. (GOSS) by Giraudo Bryan

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2024-06-18	GOSS	Buy	100,000	.59	59,100
2024-03-27	GOSS	Sale	6,430	1.16	7,433
2023-04-04	GOSS	Buy	55,000	1.02	56,100
2023-03-20	GOSS	Buy	50,000	.97	48,450
2022-07-15	GOSS	Buy	13,869	7.21	99,995
2022-03-23	GOSS	Sale	10,722	8.91	95,586
2020-10-14	GOSS	Buy	3,000	10.01	30,036
2020-06-23	GOSS	Buy	2,000	12.96	25,922
2019-09-26	GOSS	Buy	1,121	16.78	18,810
2019-05-30	GOSS	Buy	1,000	18.70	18,700
2019-02-12	GOSS	Buy	6,000	16.00	96,000

Table 2. Insider trading of Protagonist Therapeutics, Inc (PTGX) by Giraudo Bryan

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2026-05-08	PTGX	Sale	11,130	100.00	1,113,000
2026-05-07	PTGX	Option Ex	36,000	6.71	241,740
2026-05-07	PTGX	Sale	48,000	100.11	4,805,040
2019-12-03	PTGX	Buy	8,000	5.70	45,624
2017-05-16	PTGX	Buy	10,000	6.46	64,570

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 Giraudo Bryan (Officer of Protagonist Therapeutics, Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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