Form 4 for MU Micron Technology
Accepted 2025-10-15 00:00:00 ET · period of report 2025-10-13 · accession 0001568238-25-000004 · 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 | Deboer Scott J | EVP, CTO, Products Off | F - Tax | $181.79 | -66.5K | 181.8K | -27% | -$12.10M |
| DM | 2025-10-15 | 2025-10-13 | MU | Deboer Scott J | EVP, CTO, Products Off | M - OptEx | $0.00 | +113.2K | 196.5K | +136% | $0 |
| D | 2025-10-15 | 2025-10-13 | MU | Deboer Scott J | EVP, CTO, Products Off | A - Grant | $0.00 | +25.5K | 189.5K | +16% | $0 |
| DM | 2025-10-15 | 2025-10-13 | MU | Deboer Scott J | EVP, CTO, Products Off | M - OptEx | $0.00 | +15.6K | 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 | 2025-10-13 | F | D | 8,785 | $181.60 | 187,752 | 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 | 5,742 | $181.60 | 176,051 | 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 | F | D | 13,961 | $181.60 | 205,290 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 4 | Common | Common Stock | 2025-10-13 | M | A | 17,977 | $0.00 | 223,267 | 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. |
| 5 | Common | Common Stock | 2025-10-13 | F | D | 7,720 | $181.60 | 215,547 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 6 | Common | Common Stock | 2025-10-13 | M | A | 15,137 | $0.00 | 230,684 | 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. |
| 7 | Common | Common Stock | 2025-10-13 | F | D | 7,115 | $181.60 | 223,569 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 8 | Common | Common Stock | 2025-10-13 | M | A | 15,137 | $0.00 | 238,706 | 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. |
| 9 | Common | Common Stock | 2025-10-13 | F | D | 7,115 | $181.60 | 231,591 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 10 | Common | Common Stock | 2025-10-13 | M | A | 12,920 | $0.00 | 244,511 | 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. |
| 11 | Common | Common Stock | 2025-10-13 | F | D | 6,073 | $181.60 | 238,438 | D | — | — | (F2) Withholding of common stock shares to satisfy tax withholding obligations in connection with the vesting of previously granted awards. |
| 12 | Common | Common Stock | 2025-10-13 | M | A | 31,499 | $0.00 | 219,251 | 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 | M | A | 20,486 | $0.00 | 196,537 | 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. |
| 14 | Common | Common Stock | 2025-10-15 | F | D | 2,293 | $187.06 | 236,145 | 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 | 25,468 | $0.00 | 189,528 | 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 | 7,735 | $181.60 | 181,793 | 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 | 15,137 | $0.00 | 15,137 | D | $0.00 · — to — | 15,137 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 | D | 7,702 | $0.00 | 0 | D | $0.00 · — to — | 31,499 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. |
| 19 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | A | 12,921 | $0.00 | 12,921 | D | $0.00 · — to — | 12,921 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. |
| 20 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | D | 7,702 | $0.00 | 0 | D | $0.00 · — to — | 20,486 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. |
| 21 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | A | 15,137 | $0.00 | 15,137 | D | $0.00 · — to — | 15,137 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. |
| 22 | Derivative | Performance Restricted Stock Units | 2025-10-13 | M | D | 12,147 | $0.00 | 0 | D | $0.00 · — to — | 17,977 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. |