ARCH Venture Partners VIII, L.P.

10% owner at Sienna Biopharmaceuticals, Inc. · on record since Jul 26, 2017
10% owner at Denali Therapeutics Inc. · on record since Dec 12, 2017
10% owner at Q32 Bio Inc. · on record since Mar 27, 2018
10% owner at Scholar Rock Holding Corp · on record since May 31, 2018
10% owner at CHARTWELL DIVIDEND & INCOME FUND INC · on record since Aug 12, 2019
10% owner at Metacrine, Inc. · on record since Sep 22, 2020
10% owner at Codiak BioSciences, Inc. · on record since Oct 20, 2020

Insider trading activity of ARCH Venture Partners VIII, L.P.

Figures computed from official regulatory filings — methodology.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Company	Filed	Type	Qty	Price	Value · USD	Src
Sienna Biopharmaceuticals, Inc.	Feb 26, 2019	Buy	150,000	2.50 USD	$375K	SEC
Sienna Biopharmaceuticals, Inc.	Feb 26, 2019	Buy	150,000	2.50 USD	$375K	SEC
Sienna Biopharmaceuticals, Inc.	Feb 26, 2019	Buy	1,865,800	2.50 USD	$4.7M	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Sienna Biopharmaceuticals, Inc.	Feb 26, 2019	Buy	150,000	2.50 USD	$375K	SEC
Sienna Biopharmaceuticals, Inc.	Feb 26, 2019	Buy	150,000	2.50 USD	$375K	SEC
Sienna Biopharmaceuticals, Inc.	Feb 26, 2019	Buy	1,865,800	2.50 USD	$4.7M	SEC