0001599901FALSE00015999012024-11-072024-11-07

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): November 7, 2024
_________________________________________
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
(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:
oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-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 shareRNAThe 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 o
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. o


Item 2.02 Results of Operations and Financial Condition.
On November 7, 2024, Avidity Biosciences, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2024. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, whether made before or after the date hereof, except as expressly set forth by specific reference in such filing.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits
Exhibit
Number
Description
99.1
104Cover Page Interactive Data File (embedded within the Inline XBRL document)


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: November 7, 2024By:/s/ Michael F. MacLean
Michael F. MacLean
Chief Financial and Chief Business Officer

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Exhibit 99.1
Avidity Biosciences Reports Third Quarter 2024 Financial Results and Recent Highlights

Enrollment in global Phase 3 HARBORTM study for del-desiran in DM1 is on track

Avidity initiated biomarker cohort for del-brax FORTITUDETM study for FSHD; pursuing a potential accelerated approval path for del-brax

Reported positive del-zota data from Phase 1/2 EXPLORE44TM trial for DMD44

Avidity to provide a first look at precision cardiology candidates and a glimpse at next-generation technology innovations via webcast event November 12, 2024


SAN DIEGO, Nov. 7, 2024 /PRNewswire/-- Avidity Biosciences, Inc. (Nasdaq: RNA), a biopharmaceutical company committed to delivering a new class of RNA therapeutics called Antibody Oligonucleotide Conjugates (AOCsTM), today reported financial results for the third quarter ended September 30, 2024, and highlighted recent corporate progress.

“We are executing three potentially registrational clinical trials in three rare diseases where there are limited or no therapeutic options available. We reported positive del-zota data from the 5 mg/kg cohort of our Phase 1/2 EXPLORE44TM trial for DMD44 and have initiated enrollment in the EXPLORE44-OLETM. In addition, enrollment is on track for del-desiran’s global Phase 3 HARBORTM trial in DM1 and we initiated the biomarker cohort of our FORTITUDETM study in FSHD, marking a key step in our strategy to pursue a potential accelerated approval path for del-brax," said Sarah Boyce, president and chief executive officer at Avidity. “As we build for the future, we look forward to sharing our exciting innovations in precision cardiology and a glimpse at our next-generation technology. We continue to build our global commercial infrastructure to provide potential new therapies to people living with these serious rare diseases as quickly as possible.”

“We were pleased to complete an additional upsized public offering in August following positive clinical data from our EXPLORE44 program. With a strong cash position of approximately $1.6 billion, we remain focused on advancing our programs, bringing forward additional candidates from our DMD pipeline, executing on our precision cardiology programs and building additional capabilities, including commercial functions, as well as expanding to countries outside of the US,” said Mike MacLean, chief financial officer and chief business officer at Avidity.
Recent Highlights
Del-zota (AOC 1044) for DMD44
•In August, Avidity reported positive initial del-zota data from the 5 mg/kg cohort of the Phase 1/2 EXPLORE44TM trial in people living with DMD44 demonstrating unsurpassed delivery to skeletal muscle, unprecedented, unadjusted increase of 25% in near full-length dystrophin production with a profound reduction in creatine kinase

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levels to near normal, and robust exon 44 skipping. Del-zota demonstrated favorable safety and tolerability with most treatment emergent adverse events mild or moderate.
•The Phase 1/2 EXPLORE44 trial is fully enrolled and ongoing.
•In addition to the participants rolling over from the Phase 1/2 EXPLORE44 trial, Avidity has begun enrolling 10-15 new participants in the EXPLORE44 Open-label Extension study (OLE).

Del-brax (AOC 1020) for FSHD
•In October, Avidity announced the initiation of the biomarker cohort in the Phase 1/2 FORTITUDETM trial of del-brax. 2 mg/kg of del-brax will be administered every six weeks, designed to ensure continuous suppression of DUX4.
•In June of this year, Avidity reported positive initial del-brax 2 mg/kg data at four months from the Phase 1/2 FORTITUDE trial demonstrating unprecedented and consistent reductions of greater than 50% in DUX4 regulated genes, mean reductions of 25% or greater in novel circulating biomarker and creatine kinase, trends of functional improvement, and favorable safety and tolerability in people living with FSHD.
•Avidity remains on track to initiate the functional cohort in the FORTITUDE study in the first half of 2025.
•In July, the first participants from FORTITUDE began to roll over to the FORTITUDE Open-Label Extension (OLE) trial. All participants that complete FORTITUDE are eligible to enroll in the FORTITUDE-OLETM trial.

Del-desiran (AOC 1001) for DM1
•Enrollment for the global Phase 3 HARBORTM trial is ongoing and on track.
•In October, the U.S. Food and Drug Administration (FDA) removed the partial clinical hold on del-desiran.

Pipeline Advancements and Organizational Highlights
•In November, Avidity plans to provide a first look at precision cardiology candidates. In addition, Avidity plans to share a glimpse at next-generation technology innovations.
•In August, Avidity announced it plans to advance additional candidates from its DMD franchise following robust del-zota data; Exon 45 is currently in IND-enabling studies.
•Kathleen Gallagher was promoted to chief program officer in September 2024.

Third Quarter 2024 Financial Results
•Cash, Cash Equivalents and Marketable Securities: Cash, cash equivalents and marketable securities totaled $1.6 billion as of September 30, 2024, which reflects a gross $345.1 million raise from a public offering.

•Collaboration Revenue: Collaboration revenues of $2.3 million for the third quarter of 2024 and $7.9 million for the first nine months of 2024 primarily relate to Avidity’s research collaboration and license partnership with Bristol Myers Squibb. Collaboration revenues of $2.8 million for the third quarter of 2023 and $7.4 million for

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the first nine months of 2023 primarily related to Avidity’s research collaboration and license partnership with Eli Lilly and Company.

•Research and Development (R&D) Expenses: R&D expenses include external and internal costs associated with research and development activities. These expenses were $77.2 million for the third quarter of 2024 compared with $47.7 million for the third quarter of 2023, and $208.0 million for the first nine months of 2024 compared with $138.2 million for the first nine months of 2023. The increases were primarily driven by the advancement of del-desiran, del-brax and del-zota, as well as internal and external costs related to the expansion of the company’s overall research capabilities.

•General and Administrative (G&A) Expenses: G&A expenses primarily consist of employee-related expenses, professional fees, insurance costs and patent filing and maintenance fees. These expenses were $23.3 million for the third quarter of 2024 compared with $13.7 million for the third quarter of 2023, and $57.9 million for the first nine months of 2024 compared with $38.1 million for the first nine months of 2023. The increases were primarily due to higher personnel costs to support the company’s expanded operations.

About Avidity
Avidity Biosciences, Inc.'s mission is to profoundly improve people's lives by delivering a new class of RNA therapeutics - Antibody Oligonucleotide Conjugates (AOCsTM). Avidity is revolutionizing the field of RNA with its proprietary AOCs, which are designed to combine the specificity of monoclonal antibodies with the precision of oligonucleotide therapies to address targets and diseases previously unreachable with existing RNA therapies. Utilizing its proprietary AOC platform, Avidity demonstrated the first-ever successful targeted delivery of RNA into muscle and is leading the field with clinical development programs for three rare muscle diseases: myotonic dystrophy type 1 (DM1), Duchenne muscular dystrophy (DMD) and facioscapulohumeral muscular dystrophy (FSHD). Avidity is broadening the reach of AOCs with its advancing and expanding pipeline including programs in cardiology and immunology through internal discovery efforts and key partnerships. Avidity is headquartered in San Diego, CA. For more information about our AOC platform, clinical development pipeline and people, please visit www.aviditybiosciences.com and engage with us on
LinkedIn and X.

Forward-Looking Statements
Avidity cautions readers that statements contained in this press release 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: a potential accelerated pathway for registration for del-brax, and the potential for all of Avidity’s current clinical trials to be registrational; Avidity’s next-generational technology innovations and the timing of its announcement; the anticipated announcement of lead precision cardiology program targets, including the timing thereof; Avidity’s plans to build a global commercial infrastructure and capabilities; plans for the advancement of DMD programs beyond DMD44; plans for the initiation of the functional cohort in the FORTITUDETM trial and the timing thereof; the characterization of data

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associated with Avidity’s product candidates in their respective clinical trials, the conclusions drawn therefrom, and the impact of such data on the advancement of the respective product candidates; enrollment statuses of Avidity’s clinical programs; the status of the HARBORTM study; Avidity’s platform, planned operations and programs; and Avidity’s cash position and runway.

The inclusion of forward-looking statements should not be regarded as a representation by Avidity that any of these plans will be achieved. Actual results may differ from those set forth in this press release due to the risks and uncertainties inherent in Avidity's business and beyond its control, including, without limitation: preliminary results of a clinical trial are not necessarily indicative of final results; further analysis of existing clinical data and analysis of new data may lead to conclusions different from those established as of the respective data cutoff dates in Avidity’s clinical trials, and such data may not meet Avidity’s expectations; Avidity’s biomarker and planned functional cohorts in the FORTITUDE study may not support the registration of del-brax; unexpected adverse side effects to, or inadequate efficacy of, Avidity's product candidates that may delay or limit their development, regulatory approval and/or commercialization; later developments with the FDA and other global regulators that could be inconsistent with the feedback received to date regarding Avidity’s clinical trials; Avidity's approach to the discovery and development of product candidates based on its AOCTM platform is unproven and may not produce 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; Avidity may not realize the expected benefits of its collaborations; legislative, judicial and regulatory developments in the United States and foreign countries; Avidity could exhaust its available capital resources sooner than it currently expects; and other risks described in Avidity's Annual Report on Form 10-K for the fiscal year ended December 31, 2023 and 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.

Investor Contact:
Mike MacLean
(619) 837-5014
investors@aviditybio.com

Media Contact:
Navjot Rai
(619) 837-5016
media@aviditybio.com


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Avidity Biosciences, Inc.
Selected Condensed Consolidated Financial Information
(in thousands, except per share data)
(unaudited)
Statements of OperationsThree Months Ended September 30,Nine Months Ended September 30,
2024202320242023
Collaboration revenue$2,336 $2,818 $7,924 $7,367 
Operating expenses:
Research and development77,197 47,714 207,968 138,151 
General and administrative23,273 13,729 57,902 38,071 
Total operating expenses100,470 61,443 265,870 176,222 
Loss from operations(98,134)(58,625)(257,946)(168,855)
Other income, net17,736 6,267 37,901 17,078 
Net loss$(80,398)$(52,358)$(220,045)$(151,777)
Net loss per share, basic and diluted$(0.65)$(0.71)$(2.08)$(2.11)
Weighted-average shares outstanding, basic and diluted
123,37574,097105,90271,987
Balance SheetsSeptember 30,
2024		December 31,
2023
Assets
Current assets:
Cash, cash equivalents and marketable securities$1,588,593 $595,351 
Prepaid and other assets33,273 15,956 
Total current assets1,621,866 611,307 
Property and equipment, net9,493 8,381 
Restricted cash2,795 295 
Right-of-use assets6,299 8,271 
Other assets318 301 
Total assets$1,640,771 $628,555 
Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable and other liabilities$71,673 $52,315 
Deferred revenue, current portion19,660 28,365 
Total current liabilities91,333 80,680 
Lease liabilities, net of current portion3,797 6,213 
Deferred revenue, net of current portion42,261 40,898 
Total liabilities137,391 127,791 
Stockholders' equity1,503,380 500,764 
Total liabilities and stockholders' equity$1,640,771 $628,555 

v3.24.3
Cover
Nov. 07, 2024
Cover [Abstract]  
Document Type 8-K
Document Period End Date Nov. 07, 2024
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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