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Micron EVP April S. Arnzen's 38,166 shares vest

Some 2024 PRSU shares were earned for second-year performance but remain subject to vesting until certification at the end of year three.

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Form Type
4

Rhea-AI Filing Summary

Micron Technology (MU) EVP and Chief People Officer April S. Arnzen reported transactions on October 13, 2026, including 38,166 common shares from performance restricted stock units (PRSUs) that vested after certification of 2023 performance goals. She also reported PRSU shares earned for second-year performance under 2024 awards: 14,437 shares twice and 16,043 shares; all remain subject to vesting until certification of the performance goals at the end of year three.

A separate 3,944-share restricted stock award vests in three equal annual installments beginning on the first anniversary of the grant date. Arnzen also reported 28,882 shares withheld to satisfy tax withholding obligations on previously granted awards, at $989.04 per share, and a gift disposition of 1,013 common shares.

Insider ARNZEN APRIL S
Role EVP and Chief People Officer
Type Security Shares Price Value
Exercise Performance Restricted Stock Units F3 13,397 $0.00 $0.00
Exercise Performance Restricted Stock Units F3 13,397 $0.00 $0.00
Exercise Performance Restricted Stock Units F4 11,372 $0.00 $0.00
Grant/Award Performance Restricted Stock Units F5 14,437 $0.00 $0.00
Grant/Award Performance Restricted Stock Units F5 14,437 $0.00 $0.00
Grant/Award Performance Restricted Stock Units F6 16,043 $0.00 $0.00
Grant/Award Common Stock F1 3,944 $0.00 $0.00
Tax Withholding Common Stock F2 5,335 $989.04 $5.28M
Tax Withholding Common Stock F2 3,689 $989.04 $3.65M
Tax Withholding Common Stock F2 2,459 $989.04 $2.43M
Exercise Common Stock F3 13,397 $0.00 $0.00
Tax Withholding Common Stock F2 6,793 $989.04 $6.72M
Exercise Common Stock F3 13,397 $0.00 $0.00
Tax Withholding Common Stock F2 5,737 $989.04 $5.67M
Exercise Common Stock F4 11,372 $0.00 $0.00
Tax Withholding Common Stock F2 4,869 $989.04 $4.82M
Gift Common Stock 1,013 $0.00 $0.00
Holdings After Transaction: Performance Restricted Stock Units — 44,917 contracts (Direct); Common Stock — 97,952 shares (Direct)
Footnotes (6)
  1. F1. Restricted Stock Awards vest in three equal annual installments beginning on the first anniversary of the grant date.
  2. F2. Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards.
  3. F3. The Compensation Committee certified achievement of pre-established performance goals related to High Growth Segments and HBM3E+, each at 266% of target under the performance-based restricted stock units ("PRSUs") with a three-year performance period granted on October 13, 2023. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2023. The reported shares represent shares earned upon certification of performance at the conclusion of the three-year performance period, including shares earned based on second-year performance that remained subject to vesting and shares earned based on third-year performance. All such shares vested upon certification of performance at the end of the three-year performance period.
  4. F4. The Compensation Committee certified achievement of pre-established performance goals related to total shareholder return at 150% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2023. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2023. As a result of this limitation, the final payout for these PRSUs was reduced to 126% of target after application of the aggregate payout provisions. The reported shares represent shares earned upon certification of performance at the conclusion of the three-year performance period, including shares earned based on second-year performance that remained subject to vesting and shares earned based on third-year performance. All such shares vested upon certification of performance at the end of the three-year performance period.
  5. F5. The Compensation Committee certified achievement of pre-established performance goals related to Data Center SSD and HBM3E+, each at a level of 233% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.
  6. F6. The Compensation Committee certified achievement of pre-established performance goals related to relative total shareholder return at a level of 150% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.
2023 PRSU shares vested 38,166 shares Shares vested upon certification of the three-year performance period on October 13, 2026
2024 PRSU shares earned for second-year performance 14,437 shares twice Remain subject to vesting until performance-goal certification at the end of year three
2024 PRSU shares earned for second-year performance 16,043 shares Remain subject to vesting until performance-goal certification at the end of year three
Restricted stock award 3,944 shares Vests in three equal annual installments beginning on the first anniversary of the grant date
Shares withheld for tax obligations 28,882 shares Withheld in connection with vesting of previously granted awards on October 13, 2026
Withholding price per share $989.04 per share Price reported for shares withheld on October 13, 2026
Gift disposition 1,013 shares Common shares on October 13, 2026
Performance Restricted Stock Units financial
"under the performance-based restricted stock units"
Performance restricted stock units (PRSUs) are promises to deliver company shares to employees or executives only if the business meets specific performance targets and any time-based holding rules. Think of them as a bonus that converts into stock only after set goals are reached, so investors watch PRSUs for two reasons: they can dilute existing shares if paid out, and they signal how closely management’s pay is tied to company performance.
three-year performance period financial
"with a three-year performance period"
aggregate payout provisions financial
"after application of the aggregate payout provisions"
Restricted Stock Awards financial
"Restricted Stock Awards vest in three equal annual installments"
Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.
tax withholding obligations financial
"to satisfy tax withholding obligations"

FAQ

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

How many MU shares did April S. Arnzen have withheld for taxes?

28,882 common shares were withheld at $989.04 per share on October 13, 2026, to satisfy tax withholding obligations connected with vesting of previously granted awards.

What performance results were tied to April S. Arnzen’s MU PRSUs?

For the 2023 PRSUs, High Growth Segments and HBM3E+ each reached 266% of target, while total shareholder return reached 150% of target; the payout for those total-shareholder-return PRSUs was reduced to 126% of target under the aggregate payout provisions. For 2024 PRSUs, Data Center SSD and HBM3E+ each reached 233% of target, and relative total shareholder return reached 150% of target.

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

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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*
ARNZEN APRIL S

(Last)(First)(Middle)
8000 S. FEDERAL WAY

(Street)
BOISE IDAHO 83716

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
MICRON TECHNOLOGY INC [ MU ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP and Chief People Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
10/13/2026
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 Stock10/13/2026A3,944(1)A$0.0089,681D
Common Stock10/13/2026F5,335(2)D$989.0484,346D
Common Stock10/13/2026F3,689(2)D$989.0480,657D
Common Stock10/13/2026F2,459(2)D$989.0478,198D
Common Stock10/13/2026M13,397(3)A$0.0091,595D
Common Stock10/13/2026F6,793(2)D$989.0484,802D
Common Stock10/13/2026M13,397(3)A$0.0098,199D
Common Stock10/13/2026F5,737(2)D$989.0492,462D
Common Stock10/13/2026M11,372(4)A$0.00103,834D
Common Stock10/13/2026F4,869(2)D$989.0498,965D
Common Stock10/13/2026G1,013D$0.0097,952D
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
Performance Restricted Stock Units$0.0010/13/2026M13,397 (3) (3)Common Stock13,397$0.000.00D
Performance Restricted Stock Units$0.0010/13/2026M13,397 (3) (3)Common Stock13,397$0.000.00D
Performance Restricted Stock Units$0.0010/13/2026M11,372 (4) (4)Common Stock11,372$0.000.00D
Performance Restricted Stock Units$0.0010/13/2026A14,437 (5) (5)Common Stock14,437$0.0014,437D
Performance Restricted Stock Units$0.0010/13/2026A14,437 (5) (5)Common Stock14,437$0.0014,437D
Performance Restricted Stock Units$0.0010/13/2026A16,043 (6) (6)Common Stock16,043$0.0016,043D
Explanation of Responses:
1. Restricted Stock Awards vest in three equal annual installments beginning on the first anniversary of the grant date.
2. Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards.
3. The Compensation Committee certified achievement of pre-established performance goals related to High Growth Segments and HBM3E+, each at 266% of target under the performance-based restricted stock units ("PRSUs") with a three-year performance period granted on October 13, 2023. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2023. The reported shares represent shares earned upon certification of performance at the conclusion of the three-year performance period, including shares earned based on second-year performance that remained subject to vesting and shares earned based on third-year performance. All such shares vested upon certification of performance at the end of the three-year performance period.
4. The Compensation Committee certified achievement of pre-established performance goals related to total shareholder return at 150% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2023. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2023. As a result of this limitation, the final payout for these PRSUs was reduced to 126% of target after application of the aggregate payout provisions. The reported shares represent shares earned upon certification of performance at the conclusion of the three-year performance period, including shares earned based on second-year performance that remained subject to vesting and shares earned based on third-year performance. All such shares vested upon certification of performance at the end of the three-year performance period.
5. The Compensation Committee certified achievement of pre-established performance goals related to Data Center SSD and HBM3E+, each at a level of 233% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.
6. The Compensation Committee certified achievement of pre-established performance goals related to relative total shareholder return at a level of 150% of target under the PRSUs with a three-year performance period previously awarded on October 13, 2024. The payout for the PRSUs (if earned) varies (starting at 0%) based on actual achievement of the goals, subject to a 200% aggregate limit on the total target shares that may be received under the PRSUs awarded on October 13, 2024. The reported shares represent the shares earned as of the end of the second year of the performance period, 100% of which remain subject to vesting until certification of performance goals at the end of year 3 of the performance period.
Remarks:
Mai Lan Bui, Attorney-in-fact10/15/2026
** 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)

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