0001599901FALSE00015999012023-12-132023-12-13

 
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 _________________________________________
FORM 8-K
  _________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of report (Date of earliest event reported): December 13, 2023
  _________________________________________
AVIDITY BIOSCIENCES, INC. 
(Exact name of registrant as specified in its charter)
 _________________________________________
Delaware001-3932146-1336960
(State or other jurisdiction of
incorporation or organization)
(Commission
File Number)
(I.R.S. Employer
Identification No.)
10578 Science Center Drive, Suite 125
San Diego, California 92121 92121
(Address of principal executive offices) (Zip Code)
(858) 401-7900
(Registrant’s telephone number, include area code)
N/A
(Former Name or Former Address, if Changed Since Last Report)
 _________________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class 
Trading
Symbol(s)
 
Name of each exchange
on which registered
Common Stock, par value $0.0001 per share RNA The Nasdaq Global Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company  ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐ 
 
 

 
Item 8.01.Other Events.
On December 13, 2023, Avidity Biosciences, Inc. (the "Company" or "Avidity") announced positive AOC 1044 data in healthy volunteers from the Phase 1/2 EXPLORE44™ clinical trial of for the treatment of Duchenne muscular dystrophy mutations amenable to exon 44 skipping ("DMD44"). The data demonstrated:

•AOC 1044 delivered dose-dependent increases in phosphorodiamidate morpholino oligomer ("PMO") concentrations in skeletal muscle following a single dose of 5 mg/kg or 10 mg/kg, providing up to 50-times greater concentrations of PMO in skeletal muscle when compared to a single dose of peptide conjugated PMOs in healthy volunteers.

•AOC 1044 produced statistically significant exon 44 skipping compared to placebo of up to 1.5% in healthy volunteers after a single dose of 10 mg/kg AOC 1044 at Day 29. AOC 1044 increased exon skipping in all participants.

•AOC 1044 was well tolerated in healthy volunteers. All treatment-emergent adverse events in participants dosed with AOC 1044 were mild to moderate. There were no symptomatic hemoglobin changes, no hypomagnesemia and no renal events.

The Company plans to provide a first look at AOC 1044 data in people living with DMD44 in the second half of 2024.

Forward-Looking Statements

Avidity cautions readers that statements contained in this Current Report on Form 8-K regarding matters that are not historical facts are forward-looking statements. These statements are based on the Company's current beliefs and expectations. Such forward-looking statements include, but are not limited to, statements regarding the characterization of data associated with AOC 1044 in healthy volunteers and the timing of release of AOC 1044 data. The inclusion of forward-looking statements should not be regarded as a representation by Avidity that any of these items will be achieved. Actual results may differ from those set forth in this Current Report on Form 8-K due to the risks and uncertainties inherent in our business and beyond our control, including, without limitation: additional participant data related to Avidity's product candidates that continues to become available may be inconsistent with the data produced as of the applicable cutoff dates and the conclusions drawn therefrom; the results of early clinical trials are not necessarily predictive of future results; unexpected adverse side effects or inadequate efficacy of Avidity's product candidates that may delay or limit their development, regulatory approval and/or commercialization, or may result in additional clinical holds, recalls or product liability claims; Avidity is early in its development efforts; Avidity's approach to the discovery and development of product candidates based on its AOC platform is unproven, and the Company does not know whether it will be able to develop any products of commercial value; potential delays in the commencement, enrollment, data readouts and completion of preclinical studies or clinical trials; the success of its preclinical studies and clinical trials for the Company's product candidates; Avidity's dependence on third parties in connection with preclinical and clinical testing and product manufacturing; regulatory developments in the United States and foreign countries, including acceptance of INDs and similar foreign regulatory filings and the proposed design of future clinical trials; and other risks described in prior press releases and in our Annual Report on Form 10-K for the year ended December 31, 2022, filed with the Securities and Exchange Commission (SEC) on February 28, 2023, and in subsequent filings with the SEC. Avidity cautions readers not to place undue reliance on these forward-looking statements, which speak only as of the date hereof, and the company undertakes no obligation to update such statements to reflect events that occur or circumstances that arise after the date hereof. All forward-looking statements are qualified in their entirety by this cautionary statement, which is made under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995.


SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 
  AVIDITY BIOSCIENCES, INC.
Date: December 14, 2023  By: /s/ Michael F. MacLean
   Michael F. MacLean
   Chief Financial and Chief Business Officer


v3.23.3
Cover
Dec. 13, 2023
Cover [Abstract]  
Document Type 8-K
Document Period End Date Dec. 13, 2023
Entity Registrant Name AVIDITY BIOSCIENCES, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-39321
Entity Tax Identification Number 46-1336960
Entity Address, Address Line One 10578 Science Center Drive
Entity Address, Address Line Two Suite 125
Entity Address, City or Town San Diego
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92121
City Area Code 858
Local Phone Number 401-7900
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol RNA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001599901
Amendment Flag false
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