Synlogic, Inc.

SYBX·NASDAQ·$0.60Share Price as of 11/2·$7MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/11/26 10-QQ1 ended 03/31/2605/14/26 10-K/AFY 202504/30/26 10-KFY 202503/12/26 10-QQ3 ended 09/30/2511/13/25

Disclosures

8-KEntry into Material Agreement; Material Modification to Rights; Changes in Control; Regulation FD Disclosure07/29/26 8-K/ADelisting or Transfer; Other Events01/29/26 8-KDelisting or Transfer01/20/26 8-KCurrent report12/16/25 8-KDelisting or Transfer11/26/25

Prospectuses and Registrations

S-3/AShelf registration (amended)08/15/25 S-3Shelf registration08/08/25 S-8Registration of securities for employees11/12/24 S-8Registration of securities for employees11/12/24 424B4Prospectus10/02/23

Proxies

DEF 14ADefinitive proxy11/12/25 DEF 14ADefinitive proxy11/06/24 DEF 14ADefinitive proxy09/01/23 PRE 14APreliminary proxy08/21/23 DEF 14ADefinitive proxy05/01/23

Ownership

Form 4Insider transaction08/14/26 SC 13D/ABeneficial ownership (amended)07/29/26 SC 13D/ABeneficial ownership (amended)07/29/26 SC 13D/ABeneficial ownership (amended)04/06/26 SC 13GBeneficial ownership01/23/26

Other

42542511/02/26 42542507/29/26 25-NSERemoval from listing05/18/26 ARSAnnual report to shareholders11/12/25 EFFECTRequest for effectiveness08/20/25