Anthony E. Altig - 04 Jun 2026 Form 4 Insider Report for ASSEMBLY BIOSCIENCES, INC. (ASMB)

Reporting relationship: Director
Issuer ticker: ASMB
Reported as of: 04 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Jun 2026, 16:30:16 UTC
Prior SEC filing: 09 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ John O. Gunderson, as Attorney-in-Fact

Key filing fact

Anthony E. Altig filed Form 4 for ASSEMBLY BIOSCIENCES, INC. (ASMB) on 05 Jun 2026.

Key facts

This page summarizes Anthony E. Altig's Form 4 filing for ASSEMBLY BIOSCIENCES, INC. (ASMB).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 05 Jun 2026, 16:30.

Change

Previous filing in this sequence was filed on 09 Jun 2025.
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 0001215907 Primary reporting owner

ALTIG ANTHONY E

Relationship: Director
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: 05 Jun 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ASMB transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +8,000
Change %
Price: $0.000000^*
Shares after: 8,000
Date: 04 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,000
Exercise price: $24.11
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

Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) June 4, 2027 and (2) the date of the Issuer's 2027 annual meeting of stockholders.