William E. Delaney IV - 30 Oct 2026 Form 4 Insider Report for ASSEMBLY BIOSCIENCES, INC. (ASMB)

Reporting relationship: Chief Scientific Officer
Issuer ticker: ASMB
Reported as of: 30 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Nov 2026, 16:40:04 UTC
Prior SEC filing: 31 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ John O. Gunderson, as Attorney-in-Fact

Filing notes and source

Key filing fact

William E. Delaney IV filed Form 4 for ASSEMBLY BIOSCIENCES, INC. (ASMB) on 03 Nov 2026.

Key facts

This page summarizes William E. Delaney IV's Form 4 filing for ASSEMBLY BIOSCIENCES, INC. (ASMB).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Nov 2026, 16:40.

Change

Previous filing in this sequence was filed on 31 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001812734 Primary reporting owner

Delaney William E IV

Relationship: Chief Scientific Officer
Address: C/O ASSEMBLY BIOSCIENCES, INC., TWO TOWER PLACE, 7TH FLOOR, SOUTH SAN FRANCISCO
Signature: /s/ John O. Gunderson, as Attorney-in-Fact
Signature date: 03 Nov 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ASMB transaction

Common Stock

Award

Transaction value
Shares: +13,705
Change %: +23%
Price: $0.000000^*
Shares after: 74,035
Date: 30 Oct 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents shares of common stock issuable under a performance-based restricted stock unit award dated June 16, 2025. On October 30, 2026, a performance-based vesting condition was achieved. These shares of common stock vest in two equal installments, assuming continuous service on each vesting date, as follows: October 30, 2026 and October 30, 2027.