Synlogic, Inc. (SYBX) — SEC Filings

Synlogic, Inc. (SYBX) — 29 SEC filings. Latest: 8-K (Dec 16, 2025). Includes 11 8-K, 5 10-Q, 3 SC 13G/A.

View Synlogic, Inc. on SEC EDGAR

Overview

Synlogic, Inc. (SYBX) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 8-K filed on Dec 16, 2025: On December 15, 2025, Synlogic, Inc. filed an 8-K report detailing several key events. These include the departure of directors or certain officers, the election of new directors, the appointment of certain officers, and updates to compensatory arrangements for officers. The filing also covers the s

Sentiment Summary

Across 29 filings, the sentiment breakdown is: 4 bearish, 23 neutral, 2 mixed. The dominant filing sentiment for Synlogic, Inc. is neutral.

Filing Type Overview

Synlogic, Inc. (SYBX) has filed 11 8-K, 5 10-Q, 2 DEF 14A, 2 10-K/A, 2 10-K, 3 SC 13G/A, 1 SC 13D/A, 2 SC 13G, 1 SC 13D with the SEC between Feb 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent SEC Filings (29)

Synlogic, Inc. SEC Filing History
DateFormDescriptionRisk
Dec 16, 20258-KSynlogic, Inc. Files 8-K: Director Changes, Officer Appointments, and Moremedium
Nov 26, 20258-KSynlogic, Inc. Faces Delisting Concernshigh
Nov 13, 202510-QSynlogic's Net Loss Widens Amid Restructuring, Cash Holds Steadyhigh
Nov 12, 2025DEF 14ASynlogic Sets Virtual Annual Meeting, Seeks Approval for Equity Planmedium
Aug 7, 202510-QSynlogic's Q2 Loss Widens Amid Rising G&A, R&D Declineshigh
May 8, 202510-QSynlogic, Inc. Q1 2025 10-Q Filingmedium
Apr 30, 202510-K/ASynlogic Files 2024 Annual Report Amendmentmedium
Mar 6, 202510-KSynlogic, Inc. Files 2024 10-K, Cites October 2023 Financingmedium
Feb 21, 20258-KSynlogic Appoints Dr. Antoine Yver as Chief Medical Officermedium
Jan 14, 20258-KSynlogic Appoints New Chief Medical and Business Officersmedium
Dec 23, 20248-KSynlogic Appoints New CMO, Director; Director Departsmedium
Dec 5, 20248-KSynlogic, Inc. Files 8-K on Security Holder Votes and Exhibitslow
Nov 14, 2024SC 13G/ASC 13G/A Filing
Nov 12, 202410-QSynlogic, Inc. Files Q3 2024 10-Qmedium
Nov 6, 2024DEF 14ASynlogic, Inc. Annual Meeting Set for December 4low
Aug 8, 20248-KSynlogic, Inc. Files 8-K: Financials & Operations Updatelow
May 16, 2024SC 13D/ANEA 14 Amends Synlogic Stake, Adds New Group Membersmedium
May 14, 202410-QSynlogic, Inc. Files 10-Q for Period Ending March 31, 2024medium
Apr 29, 202410-K/ASynlogic, Inc. Files Amendment No. 1 to Annual Report on Form 10-Klow
Apr 18, 2024SC 13GSC 13G Filing

Risk Profile

Risk Assessment: Of SYBX's 25 recent filings, 4 were flagged as high-risk, 16 as medium-risk, and 5 as low-risk. The overall risk profile suggests moderate risk with a balanced mix of positive and cautionary disclosures.

Financial Highlights

Synlogic, Inc. Financial Summary (10-Q, Nov 13, 2025)
MetricValue
Revenue$0
Net Income-$2.301M
EPSN/A
Debt-to-EquityN/A
Cash Position$15.591M
Operating MarginN/A
Total AssetsN/A
Total DebtN/A

Key Executives

  • one
  • Mary Beth Dooley
  • Dr. Antoine Yver
  • Dr. Michael J. Ybarra
  • Christopher V. Mirabelli
  • Robert J. Mulroy
  • Anthony A. Florence, Jr.
  • Forest Baskett
  • Mohamad H. Makhzoumi
  • Patrick J. Kerins
  • Scott D. Sandell
  • Jacob Ma-Weaver
  • Andrew Freedman, Esq.
  • Abigail P. Johnson

Industry Context

Synlogic operates in the biotechnology sector, which is characterized by high R&D costs, long development cycles, and significant regulatory hurdles. The industry is highly competitive, with many companies vying for funding and market share. Recent trends include a focus on novel therapeutic modalities and personalized medicine, requiring substantial investment and innovation.

Top Tags

corporate-governance (6) · financials (3) · 10-Q (3) · Synlogic (3) · Biotechnology (2) · Net Loss (2) · Cash Burn (2) · SEC Filing (2) · financing (2) · amendment (2)

Executive Compensation

From the most recent DEF 14A filing (Nov 12, 2025):

  • Peter Barrett, Ph.D. — Director
  • Aoife Brennan, MB, BCh, BAO, MMSc — Director
  • Antoine Awad — Director
  • Mary Beth Dooley — Director
  • Richard P. Shea — Director

Key Numbers

Synlogic, Inc. Key Metrics
MetricValueContext
SEC File Number001-37566Identifies the company's filing with the SEC.
IRS Employer Identification No.26-1824804Company's tax identification number.
Net Loss (Q3 2025)$2.301MIncreased significantly from $0.117M in Q3 2024
Net Loss (9M 2025)$2.513MSubstantial improvement from $22.645M in 9M 2024
Revenue (Q3 & 9M 2025)$0No revenue generated, down from $8K in 9M 2024
R&D Expenses (9M 2025)$16KDrastic reduction from $9.164M in 9M 2024
G&A Expenses (9M 2025)$2.454MDecreased from $5.228M in 9M 2024
Cash & Cash Equivalents (Sep 30, 2025)$15.591MSufficient for 12 months of operations at current levels
Accumulated Deficit (Sep 30, 2025)$444.164MIndicates significant historical losses
Full-time Employee1Remaining after February 2024 corporate restructuring
Change in fair value of purchase warrant liability (Q3 2025)$1.485MExpense, contrasting with $376K income in Q3 2024
Annual Meeting DateDecember 15, 2025Date of Synlogic, Inc.'s 2025 Annual Meeting of Stockholders
Annual Meeting Time9:00 a.m. ETStart time for the virtual Annual Meeting
Record DateOctober 24, 2025Date for determining stockholders entitled to vote at the Annual Meeting
Shares Outstanding11,698,919Number of common stock shares outstanding and entitled to vote on the Record Date

Forward-Looking Statements

  • {"claim":"SYNLOGIC, INC.'s stock price may experience downward pressure in the short term.","entity":"SYNLOGIC, INC.","targetDate":"3 months","confidence":"medium"}

Frequently Asked Questions

What are the latest SEC filings for Synlogic, Inc. (SYBX)?

Synlogic, Inc. has 29 recent SEC filings from Feb 2024 to Dec 2025, including 11 8-K, 5 10-Q, 3 SC 13G/A. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of SYBX filings?

Across 29 filings, the sentiment breakdown is: 4 bearish, 23 neutral, 2 mixed. The dominant sentiment is neutral.

Where can I find Synlogic, Inc. SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Synlogic, Inc. (SYBX) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Synlogic, Inc.?

Key financial highlights from Synlogic, Inc.'s most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for SYBX?

The investment thesis for SYBX includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Synlogic, Inc.?

Key executives identified across Synlogic, Inc.'s filings include one, Mary Beth Dooley, Dr. Antoine Yver, Dr. Michael J. Ybarra, Christopher V. Mirabelli and 9 others.

What are the main risk factors for Synlogic, Inc. stock?

Of SYBX's 25 assessed filings, 4 were flagged high-risk, 16 medium-risk, and 5 low-risk.

What are recent predictions and forward guidance from Synlogic, Inc.?

Recent forward-looking statements from Synlogic, Inc. include guidance on {"claim":"SYNLOGIC, INC.'s stock price may experience downward pressure in the short term.","entity":"SYNLOGIC, INC.","t.

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