Assembly Biosciences, Inc.

ASMB·NASDAQ·$28.75Share Price as of 11/2·$457MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/13/26 10-QQ1 ended 03/31/2605/07/26 10-KFY 202503/19/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-K/ACurrent report (amended)08/14/26 8-KCurrent report08/13/26 8-KCurrent report06/05/26 8-KCurrent report05/26/26 8-KCurrent report05/22/26

Prospectuses and Registrations

S-8Registration of securities for employees08/20/26 424B5Prospectus supplement05/26/26 424B5Prospectus supplement05/22/26 S-3Shelf registration03/19/26 S-8Registration of securities for employees03/19/26

Proxies

DEF 14ADefinitive proxy04/22/26 DEFA14AAdditional proxy materials04/22/26 DEF 14ADefinitive proxy04/23/25 DEFA14AAdditional proxy materials04/23/25 DEF 14ADefinitive proxy04/17/24

Ownership

SC 13G/ABeneficial ownership (amended)08/14/26 SC 13G/ABeneficial ownership (amended)08/04/26 Form 4Insider transaction06/18/26 Form 4Insider transaction06/05/26 Form 4Insider transaction06/05/26

Other

ARSAnnual report to shareholders04/22/26 EFFECTRequest for effectiveness03/27/26 CORRESPCorrespondence with the SEC03/25/26 UPLOADLetter from the SEC03/24/26 EFFECTRequest for effectiveness11/21/25