William E. Delaney IV - Mar 29, 2025 Form 4 Insider Report for ASSEMBLY BIOSCIENCES, INC. (ASMB)

Role: Chief Scientific Officer
Signature: /s/ John O. Gunderson, as Attorney-in-Fact
Stock symbol: ASMB
Transactions as of: Mar 29, 2025
Transactions value $: $0
Form type: 4
Date filed: 4/1/2025, 04:05 PM
Previous filing: May 1, 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ASMB	Common Stock						16.7K	Mar 29, 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ASMB	Stock Option (right to buy)	Award	$0	+25.5K		$0.00	25.5K	Mar 29, 2025	Common Stock	25.5K	$10.62	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Includes 208 shares acquired under the Assembly Biosciences, Inc. Second Amended and Restated 2018 Employee Stock Purchase Plan on each of November 14, 2023, May 14, 2024 and November 14, 2024.
F2	Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% vest on the first anniversary of the date of grant, March 29, 2026; and the remaining 75% vest in 36 approximately equal monthly installments, with the options becoming fully vested on March 29, 2036.