Assembly Biosciences, Inc.

Ownership Transactions Reported by 20 Insiders

	Insiders	Shares	%	Avg Price	Total $
Buys	3	+988K	99.1%	$21.04	+$20.8M
Sells	4	-9.34K	0.9%	$13.32	-$124K
Net	-1	+978K	98.1%		+$20.7M

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Report Date
Gilead Sciences, Inc.	10%+ Owner	$47.2M	+$20.1M	+74.1%	Dec 19, 2024
Alexander Schornstein	10%+ Owner	$10.8M	+$629K	+6.18%	Nov 22, 2024
John G. McHutchison	Director	$181K	-$39.1K	-17.8%	Mar 31, 2025
William E. Delaney IV	Chief Scientific Officer	$165K			Mar 29, 2025
Jason A. Okazaki	CEO and President, Director	$145K	-$48.5K	-25%	Mar 29, 2025
Nicole S. White	Chief Manufacturing Officer	$115K	-$34.6K	-23.1%	Mar 29, 2025
Michael P. Samar	Chief Financial Officer	$61.8K			Jul 25, 2022
Michael Houghton	Director	$50K	+$50K		Dec 30, 2024
Jeanette M. Bjorkquist	Principal Accounting Officer	$45.5K	-$2.13K	-4.48%	Mar 29, 2025
Luisa M. Stamm	Chief Medical Officer	$32.3K			Mar 29, 2022
Tomas Cihlar	Director				Dec 7, 2023
Anuj Gaggar	Chief Medical Officer				Mar 29, 2025
Anthony E. Altig	Director				May 29, 2024
William R. Ringo	Director				May 29, 2024
Lisa Johnson-Pratt	Director				May 29, 2024
Susan Mahony	Director				May 29, 2024
Myron Z. Holubiak	Director				May 20, 2021
Richard D. DiMarchi	Director				May 25, 2022
Gina Consylman	Director				May 29, 2024
Robert Donald Cook II	Director				Mar 13, 2024

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.