1. Corporate Officers - F
2. Frohlich Tom

Insider Trading History of Frohlich Tom

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Frohlich Tom since 2021. This trader's CIK number is 1823925. At the time of last reporting, Frohlich Tom was the Chief Executive Officer of Jade Biosciences, Inc.. (stock ticker symbol JBIO). Also see all insider trading activities at Jade Biosciences, Inc..

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

Yearly summary of insider trading at Chinook Therapeutics, Inc. (KDNY) by Frohlich Tom

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2023	KDNY	0	$0	8,266	$200,569	15,136	$0
2022	KDNY	0	$0	11,095	$192,520	20,383	$0
2021	KDNY	0	$0	60,000	$845,372	48,580	$14,700

Yearly summary of insider trading at Jade Biosciences, Inc. (JBIO) by Frohlich Tom

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	JBIO	6,000	$44,400	0	$0	0	$0

Insider trading activities at 2 companies by Frohlich Tom:

1. Chinook Therapeutics, Inc. (KDNY)

2. Jade Biosciences, Inc. (JBIO)

Table 1. Insider trading of Chinook Therapeutics, Inc. (KDNY) by Frohlich Tom

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2023-02-10	KDNY	Option Ex	6,803	.00	0
2023-02-10	KDNY	Sale	3,700	23.75	87,871
2023-01-31	KDNY	Option Ex	8,333	.00	0
2023-01-31	KDNY	Sale	4,566	24.68	112,698
2022-10-06	KDNY	Sale	7,360	19.69	144,933
2022-10-06	KDNY	Option Ex	13,582	.00	0
2022-02-10	KDNY	Option Ex	6,801	.00	0
2022-02-11	KDNY	Sale	3,735	12.74	47,587
2021-11-10	KDNY	Sale	6,230	15.48	96,440
2021-11-05	KDNY	Option Ex	15,000	.42	6,300
2021-11-05	KDNY	Sale	20,000	14.00	280,000
2021-11-08	KDNY	Sale	13,770	15.17	208,932
2021-10-06	KDNY	Option Ex	13,580	.00	0
2021-09-24	KDNY	Option Ex	20,000	.42	8,400
2021-09-24	KDNY	Sale	20,000	13.00	260,000

Table 2. Insider trading of Jade Biosciences, Inc. (JBIO) by Frohlich Tom

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-05-16	JBIO	Buy	6,000	7.40	44,400

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 Frohlich Tom (Chief Executive Officer of Jade Biosciences, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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