secwatch.observer — SEC 8-K summary ====================================== Issuer: SYNLOGIC, INC. (SYBX) CIK: 0001527599 Form: 8-K Filed at: 2021-09-20T23:59:59+00:00 Accession: 0001193125-21-276762 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Synlogic reports positive PKU data: SYNB1618 reduces Phe, SYNB1934 shows 2x activity -------------------------------------------------------------------------------- - SYNB1618 showed 20% reduction in fasting plasma Phe after 14 days at 1e12 dose in Phase 2 SynPheny-1 interim analysis. - SYNB1934 demonstrated two-fold higher activity than SYNB1618 in head-to-head Phase 1 study based on biomarkers of Phe metabolism. - Safety profile consistent with prior studies: no serious AEs, no drug-related discontinuations; AEs mild-moderate GI. - Company plans to complete Phase 2 SynPheny-1 with SYNB1934 arm and prepare Phase 3 program for most promising strain in 2022. - Shares trade on Nasdaq under SYBX; data support Synthetic Biotic platform for metabolic diseases. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1527599/000119312521276762/0001193125-21-276762-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1527599/000119312521276762/d234976d8k.htm HTML page: https://secwatch.observer/filing/0001193125-21-276762 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer