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  4. [Form 4] ILLUMINA, INC. Insider Trading Activity

Illumina director-linked funds sell 679K shares

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Form Type
4

Rhea-AI Filing Summary

ILLUMINA, INC. (ILMN) director Keith A. Meister, through private investment funds advised by Corvex Management LP, reported indirect open‑market sales of a total of 679,574 shares of Illumina common stock on August 19–21, 2026, across multiple trades at weighted average prices within ranges from $201.59 to $220.43 per share. Corvex and Mr. Meister each disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest. A separate holding entry shows 6,780 shares of Illumina common stock held directly.

Insider Meister Keith A.
Role Director
Sold 679,574 shs ($145.56M)
Type Security Shares Price Value
Sale Common Stock F20, F1, F2 4,528 $210.45 $953K
Sale Common Stock F21, F1, F2 7,151 $211.54 $1.51M
Sale Common Stock F22, F1, F2 13,050 $212.65 $2.78M
Sale Common Stock F23, F1, F2 6,821 $213.81 $1.46M
Sale Common Stock F24, F1, F2 13,668 $214.64 $2.93M
Sale Common Stock F25, F1, F2 9,365 $215.61 $2.02M
Sale Common Stock F26, F1, F2 12,602 $216.44 $2.73M
Sale Common Stock F27, F1, F2 8,187 $217.84 $1.78M
Sale Common Stock F28, F1, F2 86,825 $218.60 $18.98M
Sale Common Stock F29, F1, F2 133,256 $219.47 $29.25M
Sale Common Stock F30, F1, F2 3,883 $220.13 $855K
Sale Common Stock F7, F1, F2 1,132 $207.65 $235K
Sale Common Stock F8, F1, F2 3,563 $208.55 $743K
Sale Common Stock F9, F1, F2 9,078 $209.68 $1.90M
Sale Common Stock F10, F1, F2 23,638 $210.66 $4.98M
Sale Common Stock F11, F1, F2 34,009 $211.90 $7.21M
Sale Common Stock F12, F1, F2 29,805 $212.83 $6.34M
Sale Common Stock F13, F1, F2 71,939 $213.36 $15.35M
Sale Common Stock F14, F1, F2 42,218 $214.57 $9.06M
Sale Common Stock F15, F1, F2 18,405 $215.62 $3.97M
Sale Common Stock F16, F1, F2 15,263 $216.88 $3.31M
Sale Common Stock F17, F1, F2 21,147 $217.72 $4.60M
Sale Common Stock F18, F1, F2 5,693 $218.46 $1.24M
Sale Common Stock F19, F1, F2 9,348 $219.82 $2.05M
Sale Common Stock F3, F1, F2 19,884 $202.37 $4.02M
Sale Common Stock F4, F1, F2 57,544 $203.16 $11.69M
Sale Common Stock F5, F1, F2 4,759 $204.16 $972K
Sale Common Stock F6, F1, F2 12,813 $205.00 $2.63M
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 1,409,851 shares (Indirect, See Footnotes); Common Stock — 6,780 shares (Direct)
Footnotes (30)
  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 $201.59 to $202.58. 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)-(30) to this Form 4.
  4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $202.59 to $203.58.
  5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $203.65 to $204.61.
  6. F6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $204.72 to $205.11.
  7. F7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $207.01 to $207.91.
  8. F8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $208.02 to $209.01.
  9. F9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $209.11 to $210.10.
  10. F10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $210.11 to $211.09.
  11. F11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $211.14 to $212.13.
  12. F12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $212.14 to $213.12.
  13. F13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $213.14 to $214.13.
  14. F14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $214.14 to $215.11.
  15. F15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $215.14 to $216.13.
  16. F16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $216.14 to $217.13.
  17. F17. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $217.14 to $218.13.
  18. F18. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $218.14 to $219.13.
  19. F19. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $219.15 to $220.00.
  20. F20. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $210.01 to $210.99.
  21. F21. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $211.06 to $212.04.
  22. F22. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $212.06 to $213.05.
  23. F23. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $213.07 to $214.06.
  24. F24. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $214.07 to $215.06.
  25. F25. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $215.07 to $216.06.
  26. F26. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $216.07 to $217.06.
  27. F27. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $217.07 to $218.05.
  28. F28. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $218.07 to $219.06.
  29. F29. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $219.07 to $220.06.
  30. F30. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $220.07 to $220.43.
Total shares sold 679,574 shares Aggregate indirect open‑market sales by Corvex‑advised funds on August 19–21, 2026
Number of sale transactions 28 transactions Non‑derivative sale entries coded “S” in the Form 4
Lowest reported weighted average sale price range $201.59–$202.58 per share Price range for sales described in footnote (3)
Highest reported weighted average sale price range $220.07–$220.43 per share Price range for sales described in footnote (30)
Example reported sale price $219.47 per share Weighted average price for a 133,256‑share indirect sale on August 21, 2026
Directly held shares 6,780 shares Direct holding of Illumina common stock reported for Keith A. Meister
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.
beneficial ownership regulatory
"disclaims beneficial ownership of the reported securities except to the extent"
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.
pecuniary interest financial
"disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest"
indirect ownership financial
"These securities ... are held for the accounts of certain private investment funds"

FAQ

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

What insider activity did ILMN director Keith A. Meister report in this Form 4?
The Form 4 reports that funds advised by Corvex Management LP, associated with director Keith A. Meister, sold a total of 679,574 ILMN common shares indirectly in open‑market transactions on August 19–21, 2026, at various weighted average prices.

How many Illumina (ILMN) shares were sold in total and over what dates?
The filing shows total indirect open‑market sales of 679,574 shares of Illumina common stock, executed over three trading days: August 19, 20 and 21, 2026.

What price range did the ILMN insider sales occur at in this Form 4?
The reported transactions were at weighted average prices, with the underlying trades occurring in ranges from approximately $201.59 to $220.43 per share, as detailed in footnotes (3)–(30).

Does Keith A. Meister still hold any ILMN shares directly according to this filing?
Yes. A holdings entry shows 6,780 shares of Illumina common stock held directly by Keith A. Meister as of the reporting date in this Form 4.

Were the reported ILMN insider transactions under a Rule 10b5-1 trading plan?
The document-level Rule 10b5-1 checkbox is not marked as affirming a plan, and the footnotes do not state that the trades were made pursuant to a Rule 10b5-1 trading arrangement.

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

Form 4 Insider Transactions: What Each Field Means →
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Available on EDGAR Accepted by SEC EDGAR
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)
08/19/2026		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 Stock08/19/2026S19,884D$202.37(3)2,069,541ISee Footnotes(1)(2)
Common Stock08/19/2026S57,544D$203.16(4)2,011,997ISee Footnotes(1)(2)
Common Stock08/19/2026S4,759D$204.16(5)2,007,238ISee Footnotes(1)(2)
Common Stock08/19/2026S12,813D$205(6)1,994,425ISee Footnotes(1)(2)
Common Stock08/20/2026S1,132D$207.65(7)1,993,293ISee Footnotes(1)(2)
Common Stock08/20/2026S3,563D$208.55(8)1,989,730ISee Footnotes(1)(2)
Common Stock08/20/2026S9,078D$209.68(9)1,980,652ISee Footnotes(1)(2)
Common Stock08/20/2026S23,638D$210.66(10)1,957,014ISee Footnotes(1)(2)
Common Stock08/20/2026S34,009D$211.9(11)1,923,005ISee Footnotes(1)(2)
Common Stock08/20/2026S29,805D$212.83(12)1,893,200ISee Footnotes(1)(2)
Common Stock08/20/2026S71,939D$213.36(13)1,821,261ISee Footnotes(1)(2)
Common Stock08/20/2026S42,218D$214.57(14)1,779,043ISee Footnotes(1)(2)
Common Stock08/20/2026S18,405D$215.62(15)1,760,638ISee Footnotes(1)(2)
Common Stock08/20/2026S15,263D$216.88(16)1,745,375ISee Footnotes(1)(2)
Common Stock08/20/2026S21,147D$217.72(17)1,724,228ISee Footnotes(1)(2)
Common Stock08/20/2026S5,693D$218.46(18)1,718,535ISee Footnotes(1)(2)
Common Stock08/20/2026S9,348D$219.82(19)1,709,187ISee Footnotes(1)(2)
Common Stock08/21/2026S4,528D$210.45(20)1,704,659ISee Footnotes(1)(2)
Common Stock08/21/2026S7,151D$211.54(21)1,697,508ISee Footnotes(1)(2)
Common Stock08/21/2026S13,050D$212.65(22)1,684,458ISee Footnotes(1)(2)
Common Stock08/21/2026S6,821D$213.81(23)1,677,637ISee Footnotes(1)(2)
Common Stock08/21/2026S13,668D$214.64(24)1,663,969ISee Footnotes(1)(2)
Common Stock08/21/2026S9,365D$215.61(25)1,654,604ISee Footnotes(1)(2)
Common Stock08/21/2026S12,602D$216.44(26)1,642,002ISee Footnotes(1)(2)
Common Stock08/21/2026S8,187D$217.84(27)1,633,815ISee Footnotes(1)(2)
Common Stock08/21/2026S86,825D$218.6(28)1,546,990ISee Footnotes(1)(2)
Common Stock08/21/2026S133,256D$219.47(29)1,413,734ISee Footnotes(1)(2)
Common Stock08/21/2026S3,883D$220.13(30)1,409,851ISee 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 $201.59 to $202.58. 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)-(30) to this Form 4.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $202.59 to $203.58.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $203.65 to $204.61.
6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $204.72 to $205.11.
7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $207.01 to $207.91.
8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $208.02 to $209.01.
9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $209.11 to $210.10.
10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $210.11 to $211.09.
11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $211.14 to $212.13.
12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $212.14 to $213.12.
13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $213.14 to $214.13.
14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $214.14 to $215.11.
15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $215.14 to $216.13.
16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $216.14 to $217.13.
17. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $217.14 to $218.13.
18. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $218.14 to $219.13.
19. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $219.15 to $220.00.
20. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $210.01 to $210.99.
21. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $211.06 to $212.04.
22. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $212.06 to $213.05.
23. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $213.07 to $214.06.
24. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $214.07 to $215.06.
25. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $215.07 to $216.06.
26. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $216.07 to $217.06.
27. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $217.07 to $218.05.
28. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $218.07 to $219.06.
29. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $219.07 to $220.06.
30. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $220.07 to $220.43.
/s/ Keith Meister08/21/2026
** 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

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