InsiderTrades

Form 4 for LRCX Lam Research

Accepted 2026-09-10 13:05:21 ET · period of report 2026-09-09 · accession 0001343600-26-000013 · 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
DT 2026-09-10 13:05 2026-09-09 LRCX ARCHER TIMOTHY Pres, CEO M - OptEx $30.03 +30.0K 1.11M +3% +$901.0K
DT 2026-09-10 13:05 2026-09-09 LRCX ARCHER TIMOTHY Pres, CEO S - Sale+OE $319.26 -30.0K 1.08M -3% -$9.58M
DT 2026-09-10 13:05 2026-09-09 LRCX ARCHER TIMOTHY Pres, CEO M - OptEx $0.00 -30.0K 31.4K -49% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-09-09 M A 30,000 $30.03 1,105,966 D — — (F1) This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026. (F2) The amount reported includes shares subject to unvested restricted stock units.
2 Common Common Stock 2026-09-09 S D 30,000 $319.26 1,075,966 D — — (F1) This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026. (F2) The amount reported includes shares subject to unvested restricted stock units.
3 Derivative Employee Stock Option (Right to Buy) 2026-09-09 M D 30,000 $0.00 31,400 D $30.03 · — to 2027-03-02 30,000 Common Stock (F3) The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023.