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S-3 S-3ASR EX-FILING FEES 0001622229 Cogent Biosciences, Inc. N/A N/A 0001622229 2025-11-07 2025-11-07 0001622229 1 2025-11-07 2025-11-07 0001622229 2 2025-11-07 2025-11-07 0001622229 3 2025-11-07 2025-11-07 0001622229 4 2025-11-07 2025-11-07 0001622229 5 2025-11-07 2025-11-07 0001622229 6 2025-11-07 2025-11-07 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

Cogent Biosciences, Inc.

Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable

Security Type

Security Class Title

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward

Newly Registered Securities
Fees to be Paid 1 Equity Common stock, $0.001 par value per share 457(r) 0.0001381
Fees to be Paid 2 Equity Preferred stock, $0.001 par value per share 457(r) 0.0001381
Fees to be Paid 3 Debt Debt securities 457(r) 0.0001381
Fees to be Paid 4 Other Warrants 457(r) 0.0001381
Fees to be Paid 5 Other Units 457(r) 0.0001381
Fees to be Paid Equity Common stock, $0.001 par value per share 457(o) $ 300,000,000.00 0.0001381 $ 41,430.00
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 300,000,000.00

$ 41,430.00

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 41,430.00

Offering Note

1

(1) The registrant is deferring payment of the registration fee pursuant to Rule 456(b) under the Securities Act of 1933, as amended (the "Securities Act") and is excluding this information in reliance on Rule 456(b) and Rule 457(r) under the Securities Act, other than the registration fee due in connection with $300,000,000 of shares of common stock that may be issued and sold from time to time under the sale agreement prospectus supplement included in this registration statement. Any additional registration fees will be paid subsequently on a pay-as-you-go basis. (2) The registrant is registering hereby an indeterminate initial offering price and number or amount of securities of each identified class of securities as may from time to time be sold at indeterminate prices.

2

(1) The registrant is deferring payment of the registration fee pursuant to Rule 456(b) under the Securities Act of 1933, as amended (the "Securities Act") and is excluding this information in reliance on Rule 456(b) and Rule 457(r) under the Securities Act, other than the registration fee due in connection with $300,000,000 of shares of common stock that may be issued and sold from time to time under the sale agreement prospectus supplement included in this registration statement. Any additional registration fees will be paid subsequently on a pay-as-you-go basis. (2) The registrant is registering hereby an indeterminate initial offering price and number or amount of securities of each identified class of securities as may from time to time be sold at indeterminate prices.

3

(1) The registrant is deferring payment of the registration fee pursuant to Rule 456(b) under the Securities Act of 1933, as amended (the "Securities Act") and is excluding this information in reliance on Rule 456(b) and Rule 457(r) under the Securities Act, other than the registration fee due in connection with $300,000,000 of shares of common stock that may be issued and sold from time to time under the sale agreement prospectus supplement included in this registration statement. Any additional registration fees will be paid subsequently on a pay-as-you-go basis. (2) The registrant is registering hereby an indeterminate initial offering price and number or amount of securities of each identified class of securities as may from time to time be sold at indeterminate prices.

4

(1) The registrant is deferring payment of the registration fee pursuant to Rule 456(b) under the Securities Act of 1933, as amended (the "Securities Act") and is excluding this information in reliance on Rule 456(b) and Rule 457(r) under the Securities Act, other than the registration fee due in connection with $300,000,000 of shares of common stock that may be issued and sold from time to time under the sale agreement prospectus supplement included in this registration statement. Any additional registration fees will be paid subsequently on a pay-as-you-go basis. (2) The registrant is registering hereby an indeterminate initial offering price and number or amount of securities of each identified class of securities as may from time to time be sold at indeterminate prices.

5

(1) The registrant is deferring payment of the registration fee pursuant to Rule 456(b) under the Securities Act of 1933, as amended (the "Securities Act") and is excluding this information in reliance on Rule 456(b) and Rule 457(r) under the Securities Act, other than the registration fee due in connection with $300,000,000 of shares of common stock that may be issued and sold from time to time under the sale agreement prospectus supplement included in this registration statement. Any additional registration fees will be paid subsequently on a pay-as-you-go basis. (2) The registrant is registering hereby an indeterminate initial offering price and number or amount of securities of each identified class of securities as may from time to time be sold at indeterminate prices. (3) Any securities registered hereunder may be sold separately or as units with other securities registered hereunder.

Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Rule 457(p)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Table 3: Combined Prospectuses ☑Not Applicable

Security Type

Security Class Title

Amount of Securities Previously Registered

Maximum Aggregate Offering Price of Securities Previously Registered

Form Type

File Number

Initial Effective Date

N/A N/A N/A N/A N/A N/A N/A N/A