Scott B. Ullem - 31 Dec 2025 Form 4 Insider Report for ILLUMINA, INC. (ILMN)

Role: Director
Signature: By: Robert Maynes for Scott B. Ullem
Issuer symbol: ILMN
Transactions as of: 31 Dec 2025
Net transactions value: +$24,938
Form type: 4
Filing time: 05 Jan 2026, 16:47:12 UTC
Previous filing: 09 Dec 2025
Next filing: 17 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ullem Scott B.	Director	5200 ILLUMINA WAY, SAN DIEGO	By: Robert Maynes for Scott B. Ullem	05 Jan 2026	0001446989

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ILMN	Common Stock	Award	$24,938	+212	+2.5%	$117.63	8,601	31 Dec 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Mr. Ullem elected to receive 100% of his 2025 board and committee cash retainer fees in Illumina stock. The number of shares issued in lieu of cash is based on the quotient of (i) the cash compensation otherwise payable for the immediately completed quarter divided by (ii) the volume weighted average closing price per share during the immediately completed quarter, calculated by reference to each trading day during such quarter. The amount reported on this Form represents Mr. Ullem's 4th quarter 2025 retainer fees.

Content

Mr. Ullem elected to receive 100% of his 2025 board and committee cash retainer fees in Illumina stock. The number of shares issued in lieu of cash is based on the quotient of (i) the cash compensation otherwise payable for the immediately completed quarter divided by (ii) the volume weighted average closing price per share during the immediately completed quarter, calculated by reference to each trading day during such quarter. The amount reported on this Form represents Mr. Ullem's 4th quarter 2025 retainer fees.