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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1435049	Aduro Biotech Inc.	ADRO	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1636810	Ltd Investments (Vi) Venture Morningside	C/O Thc Management Services S.a.m. 2Nd Floor, Le Prince De Galles 3-5 Avenue Des Citronniers O9 MC 98000		No	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2015-04-20	7,564,631	$0.00	7,564,631	No	4	C	Direct
Common Stock	Acquisiton	2015-04-20	9,039,857	$0.00	16,604,488	No	4	C	Direct
Common Stock	Acquisiton	2015-04-20	1,997,854	$0.00	18,602,342	No	4	C	Direct
Common Stock	Acquisiton	2015-04-20	441,176	$17.00	19,043,518	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	C	Direct
No	4	C	Direct
No	4	C	Direct
No	4	P	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series B Preferred Stock	Disposition	2015-04-20	7,564,631	$0.00	7,564,631	$0.00
Common Stock	Series C Preferred Stock	Disposition	2015-04-20	9,039,857	$0.00	9,039,857	$0.00
Common Stock	Series D Preferred Stock	Disposition	2015-04-20	1,997,854	$0.00	1,997,854	$0.00
Series B Preferred Stock	Series B Preferred Stock Warrant (right to buy)	Disposition	2015-04-20	61,410	$0.00	44,215	$1.19
Common Stock	Common Stock Warrant (right to buy)	Acquisiton	2015-04-20	44,215	$0.00	44,215	$1.66

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0			No	4	C	Direct
0			No	4	C	Direct
0			No	4	C	Direct
0	2011-04-15	2016-04-15	No	4	D	Direct
44,215	2011-04-15	2016-04-15	No	4	A	Direct

Footnotes

Each share of Series B Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into 0.72 of a share of common stock immediately prior to the closing of the Issuer's initial public offering, and has no expiration date.
Pursuant to the terms of the Series B Preferred Stock Warrant (the "Old Warrant"), effective upon conversion of all outstanding shares of Series B Preferred Stock of the Issuer, the Old Warrant converts into a Warrant to purchase shares of Common Stock of the Issuer (the "New Warrant"). The two transactions reported in Table II above show the cancellation of the Old Warrant and acquisition of the New Warrant in connection with the automatic conversion of the Series B Preferred Stock into 0.72 of a share of common stock immediately prior to the closing of the Issuer's initial public offering.