Illumina director Keith A. Meister acquires 107 shares

Illumina, Inc. director Keith A. Meister acquired 107 common shares on September 30, 2026, in lieu of cash for his third-quarter 2026 board and committee retainer fees.

Rhea-AI Filing Summary

Illumina, Inc. director Keith A. Meister acquired 107 common shares on September 30, 2026, in lieu of cash for his third-quarter 2026 board and committee retainer fees. He elected to receive 100% of his 2026 board and committee cash retainer fees in stock. His direct holdings after the acquisition were 6,887 shares. A separate indirect position of 770,350 shares is held for accounts of the Corvex Funds; Corvex Management LP is their investment adviser, and its general partner is controlled by Meister.

Insider Trade Summary

Grant/Award: 107 shares

Grant/Award 2 txns

Insider Meister Keith A.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	107	$219.8037	$24K
holding	Common Stock F2	--	--	--

Holdings After Transaction: Common Stock — 6,887 shares (Direct); Common Stock — 770,350 shares (Indirect, See footnote)

Footnotes (2)

1. F1. Mr. Meister elected to receive 100% of his 2026 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. Meister's 3rd quarter 2026 retainer fees.
2. F2. These securities of Illumina, Inc. are held for the accounts of certain private investment funds (collectively, the "Corvex Funds") for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

Key Figures

Shares acquired: 107 shares Reported price per share: $219.8037 per share Direct shares held after acquisition: 6,887 shares +2 more

5 metrics

Shares acquired 107 shares September 30, 2026; third-quarter 2026 board and committee retainer fees

Reported price per share $219.8037 per share Reported with the September 30, 2026 share acquisition

Direct shares held after acquisition 6,887 shares Keith A. Meister

Indirect shares held 770,350 shares Held for accounts of the Corvex Funds

Retainer fees elected to be received in stock 100% 2026 board and committee cash retainer fees

Key Terms

volume weighted average closing price, investment adviser, general partner

3 terms

volume weighted average closing price financial

"volume weighted average closing price per share"

The volume weighted average closing price is the average of a security’s closing prices over a given period where each day’s closing price is weighted by the number of shares traded that day. It gives more influence to prices on days with heavier trading, so it reflects where most market activity actually occurred rather than treating every day equally. Investors use it as a more realistic benchmark for value, performance tracking, and to compare execution quality.

investment adviser financial

"Corvex acts as investment adviser"

An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.

general partner financial

"The general partner of Corvex is controlled by the Reporting Person"

A general partner is the person or firm that runs an investment partnership and legally represents it — they make the day-to-day decisions, choose which assets to buy or sell, and are responsible for the partnership’s obligations. Investors care because the general partner’s judgment, risk-taking and fee and profit-sharing arrangements determine both the potential returns and the level of exposure to losses; think of the GP as the ship’s captain whose skill and honesty shape the voyage’s outcome.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How did ILMN calculate the shares issued for Keith A. Meister's retainer?

The share count was based on the cash compensation otherwise payable for the immediately completed quarter divided by the volume weighted average closing price per share during that quarter, calculated by reference to each trading day.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/02/2026 - 08:12 PM Accepted by SEC EDGAR 10/02/2026 - 08:12 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Meister Keith A.

(Last) (First) (Middle)

5200 ILLUMINA WAY

(Street)

SAN DIEGO CALIFORNIA 92122

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ILLUMINA, INC. [ ILMN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	09/30/2026		A		107(1)	A	$219.8037	6,887	D
Common Stock								770,350	I	See footnote(2)

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Mr. Meister elected to receive 100% of his 2026 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. Meister's 3rd quarter 2026 retainer fees.

2. These securities of Illumina, Inc. are held for the accounts of certain private investment funds (collectively, the "Corvex Funds") for which Corvex Management LP ("Corvex") acts as investment adviser, including Corvex Master Fund LP and Corvex Select Equity Master Fund LP. The general partner of Corvex is controlled by the Reporting Person.

	Robert Maynes for Keith Meister	10/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)