Form 4 for LRCX Lam Research
Accepted 2026-03-02 00:00:00 ET · period of report 2026-02-27 · accession 0001707826-26-000004 · 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 | 2026-03-02 | 2026-02-27+ | LRCX | Vahedi Vahid | SVP | F - Tax | $233.89 | -33.0K | 280.3K | -11% | -$7.71M |
| D | 2026-03-02 | 2026-02-27 | LRCX | Vahedi Vahid | SVP | A - Grant | $0.00 | +9,053 | 309.9K | +3% | $0 |
| D | 2026-03-02 | 2026-02-27 | LRCX | Vahedi Vahid | SVP | A - Grant | $0.00 | +11.1K | 11.1K | 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 | 2026-02-27 | F | D | 24,675 | $233.89 | 285,195 | D | — | — | (F3) Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations. (F2) The amount reported includes shares subject to unvested restricted stock units. |
| 2 | Common | Common Stock | 2026-02-27 | F | D | 2,994 | $233.89 | 282,201 | D | — | — | (F3) Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations. (F2) The amount reported includes shares subject to unvested restricted stock units. |
| 3 | Common | Common Stock | 2026-03-27 | F | D | 3,382 | $233.89 | 276,896 | D | — | — | (F3) Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations. (F2) The amount reported includes shares subject to unvested restricted stock units. |
| 4 | Common | Common Stock | 2026-02-27 | A | A | 9,053 | $0.00 | 309,870 | D | — | — | (F1) The restricted stock units will vest in three equal installments on 02/27/2027, 02/27/2028, and 02/27/2029. (F2) The amount reported includes shares subject to unvested restricted stock units. |
| 5 | Common | Common Stock | 2026-02-27 | F | D | 1,923 | $233.89 | 280,278 | D | — | — | (F3) Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations. (F2) The amount reported includes shares subject to unvested restricted stock units. |
| 6 | Derivative | Market-based Performance Restricted Stock Unit | 2026-02-27 | A | A | 11,065 | $0.00 | 11,065 | D | $0.00 · — to — | 11,065 Common Stock | (F4) The Market-based performance restricted stock units will vest between 0% and 150% on 2/27/2029. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/2/2026 through 02/01/2029. |