IPO registrations (S-1, F-1) · Registrants

SYNLOGIC, INC.

SEC CIK
1527599 · filings on EDGAR ↗
Former names
Mirna Therapeutics, Inc. (2011–2017)
Registration
Form S-1, first filed 2015-08-24, last 2023-09-28; 2 initial registrations, 7 amendments
Outcome
Final prospectus filed 2015-10-01; declared effective 2015-09-30
Industry (SIC)
Pharmaceutical Preparations 2834
Incorporated in
DE
Business address
PO BOX 30, Winchester, MA 01890
EIN
26-1824804
Ticker
SYBX (OTC)
EDGAR entity type
operating
Insiders and CEO pay
SYNLOGIC, INC. on the corporate pages

Offering terms

Final price
$7.00 per share (424B4 filed 2015-10-01, an initial public offering)
Shares sold
6,250,000
Gross proceeds
$43,750,000 before underwriting discounts and any over-allotment option
Listing
Nasdaq under the symbol MIRN
Lead underwriters
Citigroup; Leerink Partners
Syndicate
Oppenheimer; Cantor Fitzgerald

Read from the cover pages of the filings listed under “Prospectus pages read” below; check the document for anything that matters.

Filings 20

FiledFormWhat it isName as filedEDGAR
2015-08-24S-1S-1 (registration)Mirna Therapeutics, Inc.0001047469-15-006962 ↗
2015-09-11S-1/AS-1/A (amendment)Mirna Therapeutics, Inc.0001047469-15-007251 ↗
2015-09-18S-1/AS-1/A (amendment)Mirna Therapeutics, Inc.0001047469-15-007386 ↗
2015-09-25S-1/AS-1/A (amendment)Mirna Therapeutics, Inc.0001047469-15-007528 ↗
2015-09-29S-1/AS-1/A (amendment)Mirna Therapeutics, Inc.0001047469-15-007595 ↗
2015-09-30S-1/AS-1/A (amendment)Mirna Therapeutics, Inc.0001047469-15-007609 ↗
2015-09-30EFFECTEFFECT (declared effective)Mirna Therapeutics, Inc.9999999995-15-002634 ↗
2015-10-01424B4424B4 (final prospectus)Mirna Therapeutics, Inc.0001047469-15-007634 ↗
2017-07-13EFFECTEFFECT (declared effective)Mirna Therapeutics, Inc.9999999995-17-001811 ↗
2017-10-25EFFECTEFFECT (declared effective)SYNLOGIC, INC.9999999995-17-002786 ↗
2018-08-30EFFECTEFFECT (declared effective)SYNLOGIC, INC.9999999995-18-002248 ↗
2019-09-13EFFECTEFFECT (declared effective)SYNLOGIC, INC.9999999995-19-002090 ↗
2021-07-30EFFECTEFFECT (declared effective)SYNLOGIC, INC.9999999995-21-003011 ↗
2023-09-08S-1S-1 (registration)SYNLOGIC, INC.0001193125-23-231524 ↗
2023-09-27S-1/AS-1/A (amendment)SYNLOGIC, INC.0001193125-23-242769 ↗
2023-09-28S-1/AS-1/A (amendment)SYNLOGIC, INC.0001193125-23-244819 ↗
2023-09-28S-1MEFS-1MEF (added securities)SYNLOGIC, INC.0001193125-23-246091 ↗
2023-09-28EFFECTEFFECT (declared effective)SYNLOGIC, INC.9999999995-23-002818 ↗
2023-10-02424B4424B4 (final prospectus)SYNLOGIC, INC.0001193125-23-249173 ↗
2025-08-20EFFECTEFFECT (declared effective)SYNLOGIC, INC.9999999995-25-002691 ↗

Prospectus pages read 2

FiledFormRead asRangePriceSharesProceedsListingUnderwritersWhat was foundDocument
2015-09-30S-1/Aregistration statement$7.006,250,000$43,750,000Nasdaq MIRN4primary document; price sentence, shares headline, proceeds computed, cover names 4document ↗
2015-10-01424B4final prospectus$7.006,250,000$43,750,000Nasdaq MIRN4primary document; price sentence, shares headline, proceeds table, cover names 4document ↗

Officers, directors and large holders Forms 3, 4 and 5

InsiderRoleTitleFilingsYearsOn this site
AKKARAJU SRINIVASTenPercentOwner22015
Alleva Lawrence MDirector42015–2016
Barbosa MiguelOfficerChief Scientific Officer22015
BARRETT M JAMESTenPercentOwner42015–2018
BARRIS PETER JTenPercentOwner42015–2018
BASKETT FORESTTenPercentOwner52015–2023
DeYoung CasiOfficerChief Business Officer32015–2016
Florence Anthony A. Jr.Director,TenPercentOwner; TenPercentOwner62015–2026
Fuhrman AlanOfficerChief Financial Officer32015–2016
HEALY JAMESTenPercentOwner22015
Irvin JonOfficerVice President, Finance82015–2016
Jones Elaine VDirector22015person page Fuzzy
KERINS PATRICK JTenPercentOwner52015–2023
Kim SinilOfficerChief Medical Officer32015–2016
KOLLURI KRISHNA KITTUTenPercentOwner22015person page Fuzzy
Lammers PaulDirector,OfficerPresident & CEO32015–2016
Mathers Edward TDirector112015–2023
Mehra AnandTenPercentOwner22015
MOTT DAVID MTenPercentOwner42015–2018
NEA 14 GP, LTDDirector,TenPercentOwner; TenPercentOwner52015–2026
NEA Partners 14, L.P.Director,TenPercentOwner; TenPercentOwner52015–2026
New Enterprise Associates 14, L.P.Director,TenPercentOwner; TenPercentOwner62015–2026
PFIZER INCTenPercentOwner22015
POWELL MICHAELDirector; Director,TenPercentOwner92015–2019
SANDELL SCOTT DDirector,TenPercentOwner; TenPercentOwner62015–2026
SIEGALL CLAY BDirector32015–2016
Sofinnova Management VIII, L.L.C.TenPercentOwner22015
Sofinnova Venture Partners VIII, L.P.TenPercentOwner22015
Sonsini Peter W.TenPercentOwner42015–2018
Viswanathan RaviTenPercentOwner42015–2018
Weller Harry RTenPercentOwner22015
Winkler MatthewDirector42015–2016
Cancer Prevention & Research Institute of TexasTenPercentOwner12015
Greenleaf PeterDirector42016
O'Neill VincentOfficerChief Medical Officer22016
Nisen PerryDirector22016
Atlas Venture Fund IX, L.P.TenPercentOwner12017
Barrett PeterDirector162017–2024
Brennan AoifeDirector,Officer; OfficerChief Medical Officer; Interim President and CEO; President and CEO; See Remarks122017–2023
Gutierrez-Ramos Jose-CarlosDirector,OfficerSee Remarks32017–2018person page Fuzzy
ISALY SAMUEL DDirector12017
Khuong Chau QuangDirector82017–2021
Leschly NickDirector92017–2023
Miller Paul FrancisOfficerChief Scientific Officer92017–2019
ORBIMED ADVISORS LLCDirector32017–2021
OrbiMed Capital GP VI LLCDirector32017–2021
Shea Richard PDirector112017–2025person page Fuzzy
Shegog ToddOfficerSee Remarks32017–2019
Gengos AndrewOfficerChief Operating Officer; See Remarks32017–2018
Hurter Patricia N.Director92019–2024
PLEVY SCOTT ERICOfficerChief Scientific Officer32019
Ginkgo Bioworks, Inc.TenPercentOwner12019
Riese Richard J.OfficerChief Medical Officer52019–2021
BELOFF GREGGOfficerSee Remarks32019–2022
Burgess Michael F.Director62020–2023
Awad AntoineOfficerChief Operating Officer72020–2024
Heffernan Michael ThomasDirector52020–2023
Kelly-Croswell LisaDirector52021–2023
JENSEN MICHAEL VANGSTEDOfficerChief Financial Officer52022–2023
Cable Car Capital LLCOther12024
Funicular Funds, LPTenPercentOwner12024
Ma-Weaver JacobOther12024
Dooley Mary BethOfficerHead of Finance; See Remarks below62024–2025
Flynn James PDirector32024–2025
Makhzoumi MohamadDirector,TenPercentOwner12026

Everyone who filed an insider report for this company, from the SEC’s Insider Transactions Data Sets (2006 on). Person pages are matched by name and state only.

Private offerings before or after (Form D)

First filedIssuerIndustryOfferingSoldInvestorsFilings
2019-06-18SYNLOGIC, INC.Biotechnology$79,999,992$79,999,99211
2015-05-01Mirna Therapeutics, Inc.Pharmaceuticals$45,000,000$41,789,527241

Data: SEC EDGAR. The quarterly full index (every S-1, S-1/A, F-1 and F-1/A since 1993, with the pricing prospectus, notice of effectiveness and withdrawal request of each registrant) and the company submissions data (SIC, state of incorporation, address, EIN, tickers, former names). Company details are what EDGAR holds today, not at the time of the filing.

Also on this site Fuzzy

RecordName as filedWhereDatasetMatched by
Form D issuerSYNLOGIC, INC.MAForm D private offeringsCIK (EXACT)
Form D issuerSYNLOGIC, INC.MAForm D private offeringsname and state
Form D issuerSynlogic, LLCMAForm D private offeringsname and state
Patent assigneeSynlogic, Inc.MAPatents (USPTO)name and state
SEC filerSYNLOGIC, INC.SEC filers (EDGAR)CIK (EXACT)
Trademark ownerSynlogic, Inc.MATrademarks (USPTO)name and state
Form 5500 plan sponsorMIRNA THERAPEUTICS, INC.EIN (EXACT)
Person pageElaine V JonesPeople (Form 990 officers, directors and employees)officer, director or 10% owner on the company's Forms 3, 4 and 5 (Director)
Person pageJose-Carlos Gutierrez-RamosPeople (Form 990 officers, directors and employees)officer, director or 10% owner on the company's Forms 3, 4 and 5 (Director,Officer)
Person pageKrishna Kittu KolluriPeople (Form 990 officers, directors and employees)officer, director or 10% owner on the company's Forms 3, 4 and 5 (TenPercentOwner)
Person pageRichard P SheaPeople (Form 990 officers, directors and employees)officer, director or 10% owner on the company's Forms 3, 4 and 5 (Director)

Matched by an identifier (EIN, CIK, CRD), by name and state or city, or by street address; a shared name or address is not proof of the same person or organization. Every link says how it was made; how the cross-referencing works.