Diana de Walt - 30 Jan 2026 Form 4/A - Amendment Insider Report for HOLOGIC INC (HOLX)

Role: SVP, Human Resources
Signature: /s/ Mark W. Irving, attorney-in-fact for Ms. De Walt
Issuer symbol: HOLX
Transactions as of: 30 Jan 2026
Net transactions value: -$330,891
Form type: 4/A - Amendment
Filing time: 03 Feb 2026, 17:11:14 UTC
Date Of Original Report: 03 Feb 2026
Previous filing: 04 Oct 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
De Walt Diana	SVP, Human Resources	250 CAMPUS DRIVE, MARLBOROUGH	/s/ Mark W. Irving, attorney-in-fact for Ms. De Walt	03 Feb 2026	0002039767

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HOLX	Common Stock	Tax liability	$330,891	-4,416	-37%	$74.93	7,603	30 Jan 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares withheld for tax obligations in connection with the settlement of restricted stock units for which service-based vesting requirements have been satisfied.

Remarks:

Exhibit 24.1 - Power of Attorney. Due to an administrative error, an incorrect Power of Attorney was attached to the reporting person's Form 4 filed on February 3, 2026. This amendment to the Form 4 is being filed solely for the purpose of attaching the correct Power of Attorney. The transactions included on this report were previously included on the original Form 4 filed by the reporting person on February 3, 2026 and have not been revised.