Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Bloomer Aaron 2. Issuer Name and Ticker or Trading Symbol EXACT SCIENCES CORP [EXAS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, Chief Financial Officer (Last) (First) (Middle) C/O EXACT SCIENCES CORP, 5505 ENDEAVOR LANE 3. Date of Earliest Transaction (Month/Day/Year) 12/23/2025 (Street) MADISON, WI 53719 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/23/2025 M 38,715(1) A $ 0 52,338 D Common Stock 12/23/2025 F 17,151(2) D $101.82 35,187 D Common Stock 12/23/2025 M 24,384(1) A $ 0 59,571 D Common Stock 12/23/2025 F 10,803(2) D $101.82 48,768(3) D Common Stock 212 I Held in 401(k) Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Stock Units

(4)

12/23/2025

M

38,715

(5)

(5)

Common Stock

38,715

$ 0

0

D

Restricted Stock Units

(4)

12/23/2025

M

24,384

(6)

(6)

Common Stock

24,384

$ 0

4,395

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Bloomer Aaron C/O EXACT SCIENCES CORP 5505 ENDEAVOR LANE MADISON, WI 53719			EVP, Chief Financial Officer

Signatures

/s/ Aaron Bloomer by Mark Busch, attorney-in- fact		12/30/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents shares of common stock received upon vesting of a restricted stock unit award.
(2)	Represents shares of Common Stock retained by Exact Sciences Corporation (the "Issuer") for tax withholding purposes in connection with the net-settlement on the issuance of shares of Common Stock in respect to the vesting of certain restricted stock units.
(3)	In addition to the shares of Common Stock reported on this Form 4, which total 48,980 shares, Mr. Bloomer also holds, in the aggregate, an additional 4,395 unvested restricted stock units, with each restricted stock unit representing a contingent right to receive one share of Common Stock
(4)	Each restricted stock unit represents a contingent right to receive one share of common stock.
(5)	This award was scheduled to vest in three equal installments on April 15, 2026, April 15, 2027, and April 15, 2028, subject to the Reporting Person's continued service through such vesting date but the vesting of the portion reflected herein was accelerated in connection with the Section 280G Mitigation.
(6)	This award was scheduled to vest in four equal installments on February 27, 2026, February 26, 2027, February 29, 2028, and February 28, 2029, subject to the Reporting Person's continued service through such vesting date but the vesting of the portion reflected herein was accelerated in connection with the Section 280G Mitigation.

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