Document and Entity Information - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2022

Mar. 10, 2023

Jun. 30, 2022

Cover [Abstract]

Document Type

10-K

Amendment Flag

false

Document Annual Report

true

Document Transition Report

false

Document Period End Date

Dec. 31, 2022

Document Fiscal Year Focus

2022

Document Fiscal Period Focus

FY

Entity Registrant Name

COGENT BIOSCIENCES, INC.

Entity Central Index Key

0001622229

Current Fiscal Year End Date

--12-31

Entity Well-known Seasoned Issuer

Yes

Entity Voluntary Filers

No

Entity Filer Category

Non-accelerated Filer

Entity Small Business

true

Entity Emerging Growth Company

true

Entity Ex Transition Period

true

Entity Common Stock, Shares Outstanding

69,946,790

Entity Public Float

$ 567.8

Entity Shell Company

false

Entity Current Reporting Status

Yes

Entity Interactive Data Current

Yes

Entity File Number

001-38443

Entity Incorporation, State or Country Code

DE

Entity Tax Identification Number

46-5308248

Entity Address, Address Line One

275 Wyman Street

Entity Address, Address Line Two

3rd Floor

Entity Address, City or Town

Waltham

Entity Address, State or Province

MA

Entity Address, Postal Zip Code

02451

City Area Code

(617)

Local Phone Number

945-5576

Title of 12(b) Security

Common Stock, $0.001 Par Value

Trading Symbol

COGT

Security Exchange Name

NASDAQ

ICFR Auditor Attestation Flag

false

Auditor Name

PricewaterhouseCoopers LLP

Auditor Location

Boston, Massachusetts

Auditor Firm ID

238

Documents Incorporated by Reference

The information required by Part III of this report, to the extent not set forth herein, is incorporated herein by reference from our definitive proxy statement relating to the 2023 Annual Meeting of Stockholders, which definitive proxy statement shall be filed with the Securities and Exchange Commission within 120 days after the end of the annual period to which this report relates.