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                                 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):                
                               September 3, 2024                                

                                                                                
                            COGENT BIOSCIENCES, INC.                            
             (Exact name of registrant as specified in its charter)             

                                                                                


          Delaware             001-38443        46-5308248     
(State or other jurisdiction   (Commission   (I.R.S. Employer  
     of incorporation)        File Number)  Identification No.)



            275 Wyman Street                02451   
                   ,                                
               3rd Floor                            
                Waltham                             
                   ,                                
             Massachusetts                          
(Address of principal executive offices)  (Zip Code)

             Registrant's telephone number, including area code: (              
                                      617                                       
                                       )                                        
                                    945-5576                                    
                                 Not Applicable                                 
         (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        Name of each exchange     
                                Symbol(s)        on which registered      
Common stock, $0.001 Par Value    COGT     The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as 
defined in Rule 405 of the Securities Act of 1933 or Rule
12b-2
of the Securities Exchange Act of 1934.
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.




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Item	8.01. Other Events.
Cogent Biosciences, Inc. (the "Company") announced today that its Phase 3 PEAK 
clinical trial in patients with gastrointestinal stromal tumors ("GIST") has 
completed enrollment and advanced past the
pre-planned
interim futility analysis. The Company also announced that its Phase 2 SUMMIT 
clinical trial in patients with nonadvanced systemic mastocytosis ("NonAdvSM") 
is now expected to complete enrollment during the first quarter of 2025, 
approximately three months earlier than originally projected.
The full text of the press release issued in connection with the announcement 
is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
Item	9.01. Financial Statements and Exhibits.
(d) Exhibits


Exhibit No.                        Description                       
99.1         Press release dated September 3, 2024.                  
104          The cover page from the Company's Current Report on Form
             8-K                                                     
             formatted in Inline XBRL.                               


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                                   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.


Date: September 3, 2024                                               COGENT BIOSCIENCES, INC.  
                  By:                                                 /s/ Evan Kearns
                          Evan Kearns                                
                          Chief Legal Officer and Corporate Secretary

                                                                    Exhibit 99.1


Cogent Biosciences Announces Phase 3 PEAK Trial in Patients with Gastrointestina
                                       l                                        
               Stromal Tumors (GIST) Has Completed Enrollment and               
                    Advanced Past Interim Futility Analysis                     
 413 patients enrolled in PEAK Phase 3 GIST trial, exceeding enrollment target; 
                                    top-line                                    
                         resultsexpected by end of 2025                         
       PEAK interim futility analysis completed with no changes to study        
    Registration-directed SUMMIT trial in NonAdvanced Systemic Mastocytosis     
                               (NonAdvSM) now on                                
                    track to complete enrollment in Q1 2025;                    
                                    top-line                                    
                            results expected 2H 2025                            
WALTHAM, Mass. and BOULDER, Colo., September
3, 2024
-
Cogent Biosciences, Inc.
(Nasdaq: COGT), a biotechnology companyfocused on developing precision 
therapies for genetically defined diseases, today provided several updates 
from the company's ongoing registration-directed clinical trials of its 
potential
best-in-class
KIT mutant inhibitor, bezuclastinib.
Patient enrollment is now complete in Cogent's Phase 3PEAK trial evaluating 
bezuclastinib in combination with sunitinib for the treatment of patients with 
gastrointestinal stromal tumors (GIST). Based on strong global patient 
interest, a total of 413 patients were enrolled in the study. Inaddition, 
Cogent recently completed a
pre-planned
interim futility analysis, and the Independent Data Monitoring Committee 
(IDMC) recommended continuing the PEAK study without modification. This
pre-specified
analysis was based on an assessment of progression-free survival (PFS) as 
determined by independent central review and did not include the option for 
early stopping due to efficacy.
Separately, based on significant patient interest in the ongoing SUMMIT trial 
in nonadvanced systemic mastocytosis (NonAdvSM), Cogent also announced 
todaythat it expects to complete enrollment in this study during Q1 2025, 
approximately three months earlier than originally projected.
"We are excitedto announce these important updates to the PEAK and SUMMIT 
studies today," said Andrew Robbins, Cogent's President and Chief Executive 
Officer. "Strong continued interest from patients around the world to 
participate in ourbezuclastinib trials has allowed us to accelerate 
development and surpass our original enrollment timelines. Completing 
enrollment in our Phase 3 PEAK trial of bezuclastinib and sunitinib for 
second-line GIST patients several months ahead ofschedule represents a 
significant milestone for the program and we are extremely grateful to the 
patients, families, caregivers, advocacy groups and clinical investigators for 
their participation in, and support of, the PEAK trial."
PEAK is a randomized, open-label, global Phase 3 clinical trial evaluating 
bezuclastinib in combination with sunitinib vs. sunitinib alone in GIST 
patientspreviously treated with imatinib. The primary endpoint of the trial is 
median progression free survival (mPFS). PEAK is a registration study intended 
to support a New Drug Application (NDA) in GIST.

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SUMMIT is a randomized, blinded, global, registration-directed clinical trial 
evaluating bezuclastinib vs.placebo in NonAdvSM patients. The primary endpoint 
of the trial is mean improvement in patient symptoms measured at 24 weeks. 
SUMMIT is intended to be a registrational study designed to support a New Drug 
Application (NDA) in NonAdvSM.
Appointment of Darara Dibabu as Vice President of Marketing
In addition to the updates to PEAK and SUMMIT trials, Cogent announced today 
that Mr. Dibabu has joined Cogent as the VP of Marketing. Mr. Dibabu has25 
years of experience in the biopharmaceutical industry, most recently as the 
Global Brand Lead of TUKYSA at Pfizer and SeaGen, where he led the global 
launch and marketing strategy of the product for metastatic breast cancer 
patients. Previously,he served in various roles of increasing responsibility 
at Seagen, Bayer and Merck. Mr. Dibabu holds a bachelor's degree in Biology 
from the University of Southern California. In connection with Mr. Dibabu 
joining the company, he wasgranted an "inducement" equity award in accordance 
with Listing Rule 5635(c)(4) of the corporate governance rules of the Nasdaq 
Stock Market. The award was approved by the Compensation Committee of Cogent's 
Board of Directors, made upentirely of independent directors, as an inducement 
material to Mr. Dibabu's employment. The award consists of nonqualified 
options to purchase 100,000 shares of Cogent common stock with a
10-year
term, at an exercise price of $10.74 per share, and a
4-year
vesting schedule with 25% vesting on the
1-year
anniversary of Mr. Dibabu's employment and theremainder vesting in equal 
monthly installments over the subsequent 36 months, provided Mr. Dibabu's 
remains employed through each such vesting date.
About Cogent Biosciences, Inc.
Cogent Biosciences is abiotechnology company focused on developing precision 
therapies for genetically defined diseases. The most advanced clinical 
program, bezuclastinib, is a selective tyrosine kinase inhibitor that is 
designed to potently inhibit the KIT D816V mutationas well as other mutations 
in KIT exon 17. KIT D816V is responsible for driving systemic mastocytosis, a 
serious disease caused by unchecked proliferation of mast cells. Exon 17 
mutations are also found in patients with advanced gastrointestinalstromal 
tumors (GIST), a type of cancer with strong dependence on oncogenic KIT 
signaling. In addition to bezuclastinib, the Cogent Research Team is 
developing a portfolio of novel targeted therapies to help patients fighting 
serious, geneticallydriven diseases initially targeting mutations in FGFR2, 
ErbB2 and PI3K. Cogent Biosciences is based in Waltham, MA and Boulder, CO. 
Visit our website for more information at www.cogentbio.com. Follow Cogent 
Biosciences on social media:
X
(formerly known as Twitter) and
LinkedIn
. Information that may be important to investors will be routinely posted on 
our website and
X
.

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Forward-Looking Statements
This press release contains forward-looking statements within the meaning of 
the Private Securities Litigation Reform Act of 1995, including, but not 
limitedto, statements regarding: the expectation to report
top-line
results from the PEAK trial by the end of 2025, the expectation to complete 
enrollment in SUMMIT Part 2 in Q1 2025, three months earlier thanoriginally 
projected, and to report
top-line
results in the second half of 2025, the potential for bezuclastinib to be a
best-in-class
KIT mutant inhibitor, the expectation for PEAK to support an NDA in GIST and 
the intention for SUMMIT to be a registrational study designed to support 
anNDA in NonAdvSM. The use of words such as, but not limited to, "anticipate," 
"believe," "continue," "could," "estimate," "expect," "intend," "may," 
"might,""plan," "potential," "predict," "project," "should," "target," "will," 
or "would" and similar words expressions are intended to identify 
forward-looking statements.Forward-looking statements are neither historical 
facts nor assurances of future performance. Instead, they are based on our 
current beliefs, expectations and assumptions regarding the future of our 
business, future plans and strategies, ourclinical results, the rate of 
enrollment in our clinical trials and other future conditions. New risks and 
uncertainties may emerge from time to time, and it is not possible to predict 
all risks and uncertainties. No representations or warranties(expressed or 
implied) are made about the accuracy of any such forward-looking statements. 
We may not actually achieve the forecasts or milestones disclosed in our 
forward-looking statements, and you should not place undue reliance on 
ourforward-looking statements. Such forward-looking statements are subject to 
a number of material risks and uncertainties including but not limited to 
those set forth under the caption "Risk Factors" in Cogent's most recent 
QuarterlyReport on Form
10-Q
filed with the SEC. Any forward-looking statement speaks only as of the date 
on which it was made. Neither we, nor our affiliates, advisors or 
representatives, undertake any obligation topublicly update or revise any 
forward-looking statement, whether as result of new information, future events 
or otherwise, except as required by law. These forward-looking statements 
should not be relied upon as representing our views as of any datesubsequent 
to the date hereof.
Contact:
ChristiWaarich
Senior Director, Investor Relations
christi.waarich@cogentbio.com
617-830-1653
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