Avidity Biosciences INVESTORS | SEC FILINGS ABOUT AVIDITY Our mission is to profoundly improve people’s lives by delivering a new class of RNA therapeutics – AOCs. Our proprietary AOCs are designed to combine the specificity of monoclonal antibodies with the precision of oligonucleotide therapies to target the root cause of diseases previously untreatable with RNA therapeutics. Our advancing and expanding pipeline includes multiple skeletal muscle programs. We are also broadening the reach of AOCs beyond muscle tissues through both internal discovery efforts and key partnerships as the company continues to deliver on the RNA revolution. Learn More Select the filing type and date range you wish to view from the drop-down menus below. NASDAQRNA YearTrailing 12-Months ViewAll Filings Form Description Date Format 4 Statement of changes in beneficial ownership of securities Nov 22, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 10-Q Quarterly report which provides a continuing view of a company's financial position Nov 9, 2021 Open Quarterly report which provides a continuing view of a company's financial position in HTML. Open Quarterly report which provides a continuing view of a company's financial position in DOC file. Open Quarterly report which provides a continuing view of a company's financial position in PDF file. Open Quarterly report which provides a continuing view of a company's financial position in XLS file. Open Quarterly report which provides a continuing view of a company's financial position in XBLR Viewer. Open Quarterly report which provides a continuing view of a company's financial position in XBLR file. 8-K Report of unscheduled material events or corporate event Nov 9, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. SC 13G Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions Sep 10, 2021 Open Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions in HTML. Open Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions in DOC file. Open Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions in PDF file. Open Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions in XLS file. 8-K Report of unscheduled material events or corporate event Sep 1, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. 3 Initial filing by director officer or owner of more than ten percent. Aug 27, 2021 Open Initial filing by director officer or owner of more than ten percent. in HTML. Open Initial filing by director officer or owner of more than ten percent. in DOC file. Open Initial filing by director officer or owner of more than ten percent. in PDF file. Open Initial filing by director officer or owner of more than ten percent. in XLS file. 4 Statement of changes in beneficial ownership of securities Aug 27, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 8-K Report of unscheduled material events or corporate event Aug 25, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. 8-K Report of unscheduled material events or corporate event Aug 9, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. 10-Q Quarterly report which provides a continuing view of a company's financial position Aug 9, 2021 Open Quarterly report which provides a continuing view of a company's financial position in HTML. Open Quarterly report which provides a continuing view of a company's financial position in DOC file. Open Quarterly report which provides a continuing view of a company's financial position in PDF file. Open Quarterly report which provides a continuing view of a company's financial position in XLS file. Open Quarterly report which provides a continuing view of a company's financial position in XBLR Viewer. Open Quarterly report which provides a continuing view of a company's financial position in XBLR file. 4 Statement of changes in beneficial ownership of securities Aug 6, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 424B5 Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 Aug 4, 2021 Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in HTML. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in DOC file. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in PDF file. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in XLS file. 8-K Report of unscheduled material events or corporate event Aug 4, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. 424B5 Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 Aug 2, 2021 Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in HTML. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in DOC file. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in PDF file. Open Form of prospectus disclosing information facts events covered in both forms 424B2 424B3 in XLS file. 8-K Report of unscheduled material events or corporate event Aug 2, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. 8-K Report of unscheduled material events or corporate event Aug 2, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. S-3ASR Automatic shelf registration statement of securities of well-known seasoned issuers Jul 2, 2021 Open Automatic shelf registration statement of securities of well-known seasoned issuers in HTML. Open Automatic shelf registration statement of securities of well-known seasoned issuers in DOC file. Open Automatic shelf registration statement of securities of well-known seasoned issuers in PDF file. Open Automatic shelf registration statement of securities of well-known seasoned issuers in XLS file. 8-K Report of unscheduled material events or corporate event Jul 2, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. 4 Statement of changes in beneficial ownership of securities Jun 28, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 4 Statement of changes in beneficial ownership of securities Jun 22, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 4 Statement of changes in beneficial ownership of securities Jun 17, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 8-K Report of unscheduled material events or corporate event Jun 17, 2021 Open Report of unscheduled material events or corporate event in HTML. Open Report of unscheduled material events or corporate event in DOC file. Open Report of unscheduled material events or corporate event in PDF file. Open Report of unscheduled material events or corporate event in XLS file. Open Report of unscheduled material events or corporate event in XBLR Viewer. Open Report of unscheduled material events or corporate event in XBLR file. 4 Statement of changes in beneficial ownership of securities Jun 16, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 4 Statement of changes in beneficial ownership of securities Jun 16, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 4 Statement of changes in beneficial ownership of securities Jun 16, 2021 Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. 1-25 26-50 51-57 © 2021 Avidity Biosciences EXPLORE About Platform Pipeline Patients Investors Contact Careers CONTACT 10578 Science Center Dr. Suite 125 San Diego, CA 92121 info@aviditybio.com Tel: 858-401-7900 FOLLOW LEGAL Patents