Form 4 for MU Micron Technology
Accepted 2025-10-15 00:00:00 ET · period of report 2025-10-13 · accession 0001498287-25-000005 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-10-15 | 2025-10-13+ | MU | Murphy Mark J. | EVP, CFO | F - Tax | $181.79 | -79.9K | 289.6K | -22% | -$14.53M |
| DM | 2025-10-15 | 2025-10-13 | MU | Murphy Mark J. | EVP, CFO | M - OptEx | $0.00 | +134.1K | 300.3K | +81% | $0 |
| D | 2025-10-15 | 2025-10-13 | MU | Murphy Mark J. | EVP, CFO | A - Grant | $0.00 | +27.5K | 291.6K | +10% | $0 |
| DM | 2025-10-15 | 2025-10-13 | MU | Murphy Mark J. | EVP, CFO | M - OptEx | $0.00 | +17.8K | 0 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-10-15 | F | D | 2,795 | $187.06 | 345,693 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 2 | Common | Common Stock | 2025-10-13 | F | D | 7,271 | $181.60 | 348,488 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 3 | Common | Common Stock | 2025-10-13 | M | A | 15,148 | $0.00 | 355,759 | D | — | — | (F6) The Compensation Committee certified achievement of pre-established performance goals related to relative total shareholder return at a level of 111% of target under the performance-based restricted stock units ("PRSU") with a 3-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. The reported shares represent the shares earned, 50% of which vested upon certification of the performance at the end of year 2 of the performance period and 50% remain subject to vesting until the certification of performance goals at the end of year 3 of the performance period. |
| 4 | Common | Common Stock | 2025-10-13 | F | D | 8,518 | $181.60 | 340,611 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 5 | Common | Common Stock | 2025-10-13 | M | A | 17,746 | $0.00 | 349,129 | D | — | — | (F5) The Compensation Committee certified achievement of pre-established performance goals related to High Growth-Segments and HBM3E+ each at a level of 233% of target under the performance-based restricted stock units ("PRSU") with a 3-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. The reported shares represent the shares earned, 50% of which vested upon certification of the performance at the end of year 2 of the performance period and 50% remain subject to vesting until the certification of performance goals at the end of year 3 of the performance period. |
| 6 | Common | Common Stock | 2025-10-13 | F | D | 8,518 | $181.60 | 331,383 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 7 | Common | Common Stock | 2025-10-13 | M | A | 17,746 | $0.00 | 339,901 | D | — | — | (F5) The Compensation Committee certified achievement of pre-established performance goals related to High Growth-Segments and HBM3E+ each at a level of 233% of target under the performance-based restricted stock units ("PRSU") with a 3-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. The reported shares represent the shares earned, 50% of which vested upon certification of the performance at the end of year 2 of the performance period and 50% remain subject to vesting until the certification of performance goals at the end of year 3 of the performance period. |
| 8 | Common | Common Stock | 2025-10-13 | F | D | 9,418 | $181.60 | 322,155 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 9 | Common | Common Stock | 2025-10-13 | M | A | 21,434 | $0.00 | 331,573 | D | — | — | (F4) The Compensation Committee certified achievement of pre-established performance goals related to relative total shareholder return at a level of 128% of target under the performance-based restricted stock units ("PRSU") with a 3-year performance period previously awarded on October 13, 2022. As reported at grant, the PRSUs could result in a payout (if earned) that 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, 2022. 100% of any shares earned as a result of the achievement of the performance goals measured at the end of year 3 of the performance period as well as certain unvested shares earned as a result of the achievement of performance goals measured at the end of year 2 of the performance period (which remained subject to vesting) vested upon certification of the achievement of performance goals at the end of year 3 of the performance period. |
| 10 | Common | Common Stock | 2025-10-13 | F | D | 17,019 | $181.60 | 310,139 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 11 | Common | Common Stock | 2025-10-13 | M | A | 37,556 | $0.00 | 327,158 | D | — | — | (F3) The Compensation Committee certified achievement of pre-established performance goals related to DRAM revenue and Data Center NAND each at a level of 233% of target under the performance-based restricted stock units ("PRSU") with a 3-year performance period previously awarded on October 13, 2022. As reported at grant, the PRSUs could result in a payout (if earned) that 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, 2022. 100% of any shares earned as a result of the achievement of the performance goals measured at the end of year 3 of the performance period as well as certain unvested shares earned as a result of the achievement of performance goals measured at the end of year 2 of the performance period which remained subject to vesting vested upon certification of the achievement of performance goals at the end of year 3 of the performance period. |
| 12 | Common | Common Stock | 2025-10-13 | M | A | 24,425 | $0.00 | 300,319 | D | — | — | (F3) The Compensation Committee certified achievement of pre-established performance goals related to DRAM revenue and Data Center NAND each at a level of 233% of target under the performance-based restricted stock units ("PRSU") with a 3-year performance period previously awarded on October 13, 2022. As reported at grant, the PRSUs could result in a payout (if earned) that 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, 2022. 100% of any shares earned as a result of the achievement of the performance goals measured at the end of year 3 of the performance period as well as certain unvested shares earned as a result of the achievement of performance goals measured at the end of year 2 of the performance period which remained subject to vesting vested upon certification of the achievement of performance goals at the end of year 3 of the performance period. |
| 13 | Common | Common Stock | 2025-10-13 | F | D | 6,404 | $181.60 | 275,894 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 14 | Common | Common Stock | 2025-10-13 | F | D | 9,271 | $181.60 | 282,298 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 15 | Common | Common Stock | 2025-10-13 | A | A | 27,533 | $0.00 | 291,569 | D | — | — | (F1) Restricted Stock Awards vest in three equal annual installments beginning on the first anniversary of the grant date. |
| 16 | Common | Common Stock | 2025-10-13 | F | D | 10,717 | $181.60 | 289,602 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 17 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | A | 17,747 | $0.00 | 17,747 | D | $0.00 · — to — | 17,747 Common Stock | (F5) The Compensation Committee certified achievement of pre-established performance goals related to High Growth-Segments and HBM3E+ each at a level of 233% of target under the performance-based restricted stock units ("PRSU") with a 3-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. The reported shares represent the shares earned, 50% of which vested upon certification of the performance at the end of year 2 of the performance period and 50% remain subject to vesting until the certification of performance goals at the end of year 3 of the performance period. |
| 18 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | A | 15,148 | $0.00 | 15,148 | D | $0.00 · — to — | 15,148 Common Stock | (F6) The Compensation Committee certified achievement of pre-established performance goals related to relative total shareholder return at a level of 111% of target under the performance-based restricted stock units ("PRSU") with a 3-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. The reported shares represent the shares earned, 50% of which vested upon certification of the performance at the end of year 2 of the performance period and 50% remain subject to vesting until the certification of performance goals at the end of year 3 of the performance period. |
| 19 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | A | 17,747 | $0.00 | 17,747 | D | $0.00 · — to — | 17,747 Common Stock | (F5) The Compensation Committee certified achievement of pre-established performance goals related to High Growth-Segments and HBM3E+ each at a level of 233% of target under the performance-based restricted stock units ("PRSU") with a 3-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. The reported shares represent the shares earned, 50% of which vested upon certification of the performance at the end of year 2 of the performance period and 50% remain subject to vesting until the certification of performance goals at the end of year 3 of the performance period. |
| 20 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | D | 14,483 | $0.00 | 0 | D | $0.00 · — to — | 21,434 Common Stock | (F4) The Compensation Committee certified achievement of pre-established performance goals related to relative total shareholder return at a level of 128% of target under the performance-based restricted stock units ("PRSU") with a 3-year performance period previously awarded on October 13, 2022. As reported at grant, the PRSUs could result in a payout (if earned) that 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, 2022. 100% of any shares earned as a result of the achievement of the performance goals measured at the end of year 3 of the performance period as well as certain unvested shares earned as a result of the achievement of performance goals measured at the end of year 2 of the performance period (which remained subject to vesting) vested upon certification of the achievement of performance goals at the end of year 3 of the performance period. |
| 21 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | D | 9,183 | $0.00 | 0 | D | $0.00 · — to — | 37,556 Common Stock | (F3) The Compensation Committee certified achievement of pre-established performance goals related to DRAM revenue and Data Center NAND each at a level of 233% of target under the performance-based restricted stock units ("PRSU") with a 3-year performance period previously awarded on October 13, 2022. As reported at grant, the PRSUs could result in a payout (if earned) that 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, 2022. 100% of any shares earned as a result of the achievement of the performance goals measured at the end of year 3 of the performance period as well as certain unvested shares earned as a result of the achievement of performance goals measured at the end of year 2 of the performance period which remained subject to vesting vested upon certification of the achievement of performance goals at the end of year 3 of the performance period. |
| 22 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | D | 9,183 | $0.00 | 0 | D | $0.00 · — to — | 24,425 Common Stock | (F3) The Compensation Committee certified achievement of pre-established performance goals related to DRAM revenue and Data Center NAND each at a level of 233% of target under the performance-based restricted stock units ("PRSU") with a 3-year performance period previously awarded on October 13, 2022. As reported at grant, the PRSUs could result in a payout (if earned) that 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, 2022. 100% of any shares earned as a result of the achievement of the performance goals measured at the end of year 3 of the performance period as well as certain unvested shares earned as a result of the achievement of performance goals measured at the end of year 2 of the performance period which remained subject to vesting vested upon certification of the achievement of performance goals at the end of year 3 of the performance period. |