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Western Digital (WDC) CEO Irving Tan records stock sales under 10b5-1 plan

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

Rhea-AI Filing Summary

Western Digital Corporation reported that its Chief Executive Officer and director, Irving Tan, sold shares of the company’s common stock on February 2, 2026, in a series of open-market transactions.

The sales were made under a Rule 10b5-1 trading plan adopted on May 12, 2025, at weighted average prices reflecting multiple trades in ranges starting around $242.02 and reaching per-share sale prices up to $262.55. After completing these transactions, Tan directly beneficially owned 623,586 shares of Western Digital common stock.

Positive

  • None.

Negative

  • None.
Insider Tan Irving
Role Chief Executive Officer
Sold 20,000 shs ($5.11M)
Type Security Shares Price Value
Sale Common Stock 981 $242.2291 $238K
Sale Common Stock 1,298 $243.5023 $316K
Sale Common Stock 800 $245.005 $196K
Sale Common Stock 1,005 $247.2636 $248K
Sale Common Stock 1,100 $248.9518 $274K
Sale Common Stock 200 $249.485 $50K
Sale Common Stock 1,000 $252.151 $252K
Sale Common Stock 100 $253.40 $25K
Sale Common Stock 100 $255.00 $26K
Sale Common Stock 1,000 $256.761 $257K
Sale Common Stock 1,500 $257.8168 $387K
Sale Common Stock 2,096 $258.6534 $542K
Sale Common Stock 2,250 $259.9268 $585K
Sale Common Stock 2,444 $260.8377 $637K
Sale Common Stock 3,626 $261.8351 $949K
Sale Common Stock 100 $262.55 $26K
Sale Common Stock 400 $250.71 $100K
Holdings After Transaction: Common Stock — 642,605 shares (Direct)
Footnotes (1)
  1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $242.02 to a high of $242.68. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $243.29 to a high of $243.52. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $244.66 to a high of $245.29. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $246.98 to a high of $247.82. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $248.24 to a high of $249.16. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $249.39 to a high of $249.58. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $252.00 to a high of $252.68. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $256.25 to a high of $257.19. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $257.29 to a high of $258.20. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $258.29 to a high of $258.96. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $259.40 to a high of $260.35. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $260.45 to a high of $261.37. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $261.50 to a high of $262.41. 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. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $250.62 to a high of $250.80. 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.
Form 4 Insider Transactions: What Each Field Means →
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).
X
 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*
Tan Irving
(Last) (First) (Middle)
C/O WESTERN DIGITAL CORPORATION
5601 GREAT OAKS PARKWAY
(Street)
SAN JOSE CA 95119
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
WESTERN DIGITAL CORP [ WDC ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Executive Officer
3. Date of Earliest Transaction (Month/Day/Year)
02/02/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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 02/02/2026 S(1) 981 D $242.2291(2) 642,605 D
Common Stock 02/02/2026 S(1) 1,298 D $243.5023(3) 641,307 D
Common Stock 02/02/2026 S(1) 800 D $245.005(4) 640,507 D
Common Stock 02/02/2026 S(1) 1,005 D $247.2636(5) 639,502 D
Common Stock 02/02/2026 S(1) 1,100 D $248.9518(6) 638,402 D
Common Stock 02/02/2026 S(1) 200 D $249.485(7) 638,202 D
Common Stock 02/02/2026 S(1) 1,000 D $252.151(8) 637,202 D
Common Stock 02/02/2026 S(1) 100 D $253.4 637,102 D
Common Stock 02/02/2026 S(1) 100 D $255 637,002 D
Common Stock 02/02/2026 S(1) 1,000 D $256.761(9) 636,002 D
Common Stock 02/02/2026 S(1) 1,500 D $257.8168(10) 634,502 D
Common Stock 02/02/2026 S(1) 2,096 D $258.6534(11) 632,406 D
Common Stock 02/02/2026 S(1) 2,250 D $259.9268(12) 630,156 D
Common Stock 02/02/2026 S(1) 2,444 D $260.8377(13) 627,712 D
Common Stock 02/02/2026 S(1) 3,626 D $261.8351(14) 624,086 D
Common Stock 02/02/2026 S(1) 100 D $262.55 623,986 D
Common Stock 02/02/2026 S(1) 400 D $250.71(15) 623,586 D
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. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025.
2. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $242.02 to a high of $242.68. 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.
3. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $243.29 to a high of $243.52. 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.
4. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $244.66 to a high of $245.29. 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.
5. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $246.98 to a high of $247.82. 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.
6. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $248.24 to a high of $249.16. 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.
7. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $249.39 to a high of $249.58. 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.
8. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $252.00 to a high of $252.68. 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.
9. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $256.25 to a high of $257.19. 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.
10. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $257.29 to a high of $258.20. 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.
11. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $258.29 to a high of $258.96. 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.
12. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $259.40 to a high of $260.35. 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.
13. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $260.45 to a high of $261.37. 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.
14. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $261.50 to a high of $262.41. 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.
15. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $250.62 to a high of $250.80. 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.
By: /s/ Sandra Garcia Attorney-in-Fact For: Irving Tan 02/04/2026
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Western Digital (WDC) CEO Irving Tan report?

Irving Tan reported multiple open-market sales of Western Digital common stock on February 2, 2026. The transactions were recorded on a Form 4 and reflect a series of individual trades in the company’s shares, each with specified volumes and sale prices, executed on that date.

Were Irving Tan’s Western Digital (WDC) stock sales made under a Rule 10b5-1 plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan adopted by Irving Tan on May 12, 2025. Such plans pre-schedule trades, allowing executives to systematically sell shares under predetermined conditions, independent of subsequent nonpublic information.

On what date did Western Digital (WDC) CEO Irving Tan sell shares?

All of the reported transactions occurred on February 2, 2026. The Form 4 shows this as the single transaction date for the series of common stock sales, each reported with its own share amount, execution price, and resulting share balance after the trades.

At what prices did Irving Tan sell Western Digital (WDC) common stock?

The filing reports weighted average prices for many trades, with ranges starting at lows such as $242.02 per share and extending to highs like $262.41. Individual reported sale prices also include amounts such as $253.40, $255.00, and $262.55 per share across the separate transactions.

How many Western Digital (WDC) shares does Irving Tan hold after these sales?

After the reported February 2, 2026 transactions, Irving Tan directly beneficially owned 623,586 shares of Western Digital common stock. This post-transaction balance is disclosed in the Form 4 table as the amount of common stock beneficially owned following the final listed sale.

What is Irving Tan’s role at Western Digital (WDC) according to the filing?

The filing identifies Irving Tan as both a director and an officer of Western Digital Corporation, serving in the role of Chief Executive Officer. These positions are indicated in the relationship section of the Form 4, confirming his dual responsibilities within the company’s leadership.