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Illumina (ILMN) sees Corvex-advised funds sell 741,127 common shares

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

Illumina, Inc. director Keith A. Meister reported that private investment funds for which Corvex Management LP acts as investment adviser sold 741,127 shares of Illumina common stock on August 4–5, 2026, in multiple transactions described as open‑market or private sales at weighted‑average prices between $196.74 and $203.28 per share. The securities are held for Corvex‑advised funds’ accounts, and both Corvex and Meister disclaim beneficial ownership beyond their pecuniary interests. A footnote corrects earlier Section 16 reports, stating the funds indirectly owned 2,830,552 shares before these sales, while Meister continues to hold 6,780 shares directly.

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Insider Meister Keith A.
Role Director
Sold 741,127 shs ($148.16M)
Type Security Shares Price Value
Sale Common Stock F12, F1, F2 52,249 $198.18 $10.35M
Sale Common Stock F13, F1, F2 68,047 $198.97 $13.54M
Sale Common Stock F14, F1, F2 118,753 $199.87 $23.74M
Sale Common Stock F15, F1, F2 30,398 $201.37 $6.12M
Sale Common Stock F16, F1, F2 11,372 $201.80 $2.29M
Sale Common Stock F17, F1, F2 2,450 $203.28 $498K
Sale Common Stock F3, F4, F1, F2 7,202 $196.74 $1.42M
Sale Common Stock F5, F1, F2 27,854 $197.48 $5.50M
Sale Common Stock F6, F1, F2 166,501 $198.24 $33.01M
Sale Common Stock F7, F1, F2 35,160 $199.51 $7.01M
Sale Common Stock F8, F1, F2 37,242 $200.65 $7.47M
Sale Common Stock F9, F1, F2 67,725 $201.44 $13.64M
Sale Common Stock F10, F1, F2 48,186 $202.43 $9.75M
Sale Common Stock F11, F1, F2 67,988 $203.09 $13.81M
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 2,089,425 shares (Indirect, See Footnotes); Common Stock — 6,780 shares (Direct)
Footnotes (17)
  1. F1. These securities of Illumina, Inc. (the "Issuer") 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 Keith Meister.
  2. F2. For the purposes of this filing, each of Corvex and Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.
  3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $196.00 to $196.99. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) and (5) to (17) to this Form 4.
  4. F4. Our Section 16 filings inadvertently reported that the reporting person indirectly owned 100 fewer shares of common stock. The correct number of shares indirectly owned prior to the sales reported on this filing was 2,830,552 shares of common stock. The amount reported in Column 5 reflects such correction.
  5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $197.00 to $197.99.
  6. F6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $198.00 to $198.98.
  7. F7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $199.00 to $199.96.
  8. F8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $200.00 to $200.99.
  9. F9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $201.00 to $201.99.
  10. F10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $202.00 to $202.99.
  11. F11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $203.00 to $203.44.
  12. F12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $197.60 to $198.59.
  13. F13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $198.60 to $199.59.
  14. F14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $199.60 to $200.59.
  15. F15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $200.60 to $201.59.
  16. F16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $201.60 to $202.58.
  17. F17. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $202.60 to $203.50.
Shares sold, total 741,127 shares Aggregate Illumina common stock sold indirectly by Corvex-advised funds on August 4–5, 2026
Lowest reported sale price $196.74 per share Lowest weighted‑average sale price among the reported transactions
Highest reported sale price $203.28 per share Highest weighted‑average sale price among the reported transactions
Indirect holdings before sale 2,830,552 shares Common stock indirectly owned by Corvex‑advised funds before these sales, per footnote
Direct holdings after transactions 6,780 shares Illumina common stock held directly by Keith A. Meister as of August 4, 2026
Largest single reported tranche 166,501 shares Shares sold in one indirect transaction at a weighted‑average price of $198.24 per share
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
pecuniary interest financial
"disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest"
beneficial ownership regulatory
"disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Section 16 filings regulatory
"Our Section 16 filings inadvertently reported that the reporting person indirectly owned 100 fewer shares"
indirectly owned financial
"The correct number of shares indirectly owned prior to the sales reported on this filing was 2,830,552 shares"

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FAQ

What insider transaction in ILMN stock did Keith A. Meister report?
Keith A. Meister reported that Corvex‑advised funds sold 741,127 Illumina (ILMN) common shares on August 4–5, 2026. The sales were executed in multiple open‑market or private transactions at weighted‑average prices between $196.74 and $203.28 per share.

Who actually sold the ILMN shares in Keith A. Meister’s Form 4?
The shares are held for the accounts of private investment funds collectively referred to as the Corvex Funds. Corvex Management LP advises these funds, and its general partner is controlled by Keith A. Meister, but both disclaim beneficial ownership beyond their pecuniary interests.

At what prices were the ILMN shares sold in this Form 4?
Reported sales occurred at weighted‑average prices such as $196.74, $198.24, $199.87, $201.37 and $203.28 per share. Footnotes state that each price represents a weighted average of multiple trades within specific one‑dollar price ranges between roughly $196.00 and $203.50.

How many ILMN shares did Keith A. Meister directly hold after these transactions?
Separate from the Corvex Funds’ indirect holdings, Keith A. Meister is shown as directly holding 6,780 shares of Illumina common stock. This direct position is reported as of August 4, 2026 and is distinct from the much larger indirect holdings of the Corvex‑advised funds.

What correction to prior ILMN Section 16 filings was disclosed?
A footnote states that prior Section 16 filings inadvertently reported the reporting person indirectly owned 100 fewer shares. The correct number of Illumina shares indirectly owned by the Corvex‑advised funds before these sales was 2,830,552, and the current column reflects this corrected figure.

Was the ILMN Form 4 marked as relying on a Rule 10b5‑1 trading plan?
The document’s Rule 10b5‑1 checkbox is not checked, and the footnotes do not describe these transactions as being executed under a pre‑arranged trading plan. The filing simply characterizes them as open‑market or private sales by the Corvex‑advised funds.
SEC Form 4
FORM 4UNITED 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)
C/O CORVEX MANAGEMENT LP
667 MADISON AVENUE
(Street)
NEW YORK NEW YORK 10065
(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/04/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/04/2026S7,202D$196.74(3)2,823,350(4)ISee Footnotes(1)(2)
Common Stock08/04/2026S27,854D$197.48(5)2,795,496ISee Footnotes(1)(2)
Common Stock08/04/2026S166,501D$198.24(6)2,628,995ISee Footnotes(1)(2)
Common Stock08/04/2026S35,160D$199.51(7)2,593,835ISee Footnotes(1)(2)
Common Stock08/04/2026S37,242D$200.65(8)2,556,593ISee Footnotes(1)(2)
Common Stock08/04/2026S67,725D$201.44(9)2,488,868ISee Footnotes(1)(2)
Common Stock08/04/2026S48,186D$202.43(10)2,440,682ISee Footnotes(1)(2)
Common Stock08/04/2026S67,988D$203.09(11)2,372,694ISee Footnotes(1)(2)
Common Stock08/05/2026S52,249D$198.18(12)2,320,445ISee Footnotes(1)(2)
Common Stock08/05/2026S68,047D$198.97(13)2,252,398ISee Footnotes(1)(2)
Common Stock08/05/2026S118,753D$199.87(14)2,133,645ISee Footnotes(1)(2)
Common Stock08/05/2026S30,398D$201.37(15)2,103,247ISee Footnotes(1)(2)
Common Stock08/05/2026S11,372D$201.8(16)2,091,875ISee Footnotes(1)(2)
Common Stock08/05/2026S2,450D$203.28(17)2,089,425ISee Footnotes(1)(2)
Common Stock6,780D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. These securities of Illumina, Inc. (the "Issuer") 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 Keith Meister.
2. For the purposes of this filing, each of Corvex and Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $196.00 to $196.99. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) and (5) to (17) to this Form 4.
4. Our Section 16 filings inadvertently reported that the reporting person indirectly owned 100 fewer shares of common stock. The correct number of shares indirectly owned prior to the sales reported on this filing was 2,830,552 shares of common stock. The amount reported in Column 5 reflects such correction.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $197.00 to $197.99.
6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $198.00 to $198.98.
7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $199.00 to $199.96.
8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $200.00 to $200.99.
9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $201.00 to $201.99.
10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $202.00 to $202.99.
11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $203.00 to $203.44.
12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $197.60 to $198.59.
13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $198.60 to $199.59.
14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $199.60 to $200.59.
15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $200.60 to $201.59.
16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $201.60 to $202.58.
17. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $202.60 to $203.50.
/s/ Keith Meister08/06/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR