Insider trade

Officer sold ~$472K of LRCX shares in the open market

Traded Oct 27, 2025 · Filed Oct 28, 2025

Lam ResearchLRCX

~$472K
Reported value · 3,000 sh @ $157.48: 57K
Holds after · shares reported: +116.8%
stock since the trade · S&P 500 +11.5%, $156.90 → $340.10 on Oct 1

Why it stands out

Lam Research's Chief Legal Officer sold $472K of Lam Research shares. It happened by itself, for taxes or pay.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Oct 27, 2025
Reporting period: Not applicable
Filed with the SEC: Oct 28, 2025

Officer$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$472,440

Shares × reported transaction price

Timing vs results

5 days after results of Oct 22, 2025, 93 days before results of Jan 28, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $156.90 on Oct 27, 2025, at its 52-week high, after a 32% rise over the previous 30 trading days

52-week range $59.09 (Apr 4, 2025) to $156.90 (Oct 27, 2025), 100% of the way up, from 250 adjusted closes. 30 trading days earlier: $119.21 on Sep 15, 2025. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references vesting of compensation awards

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+2.7%	-1.4%	+4.2%
30 days	-2.9%	-0.6%	-2.3%
90 days	+48.4%	+1.2%	+47.2%
180 days	+61.5%	+4.0%	+57.5%

Past results only. Not a forecast.

Source receipt

Record ID: 0001642415-25-000005
Filed / recorded: Oct 28, 2025, 3:53 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: LAM RESEARCH CORP
Issuer CIK: 707549
Ticker: LRCX
Reporting person: Ava Harter
Relationship: Officer
Officer title: Chief Legal Officer
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Oct 27, 2025
Transaction code: S
Shares / units: 3,000
Price per share: $157.48
Acquired / disposed: Disposed (D)
Shares owned after: 56,786.455
Ownership form: Direct
Amendment: No

Footnotes from the filing

The amount reported includes shares subject to unvested restricted stock units.

Around the same time

CFO sold ~$6.04M of Lam Research

Automatic sale11mo ago

11mo ago

1,635Shares

Compensation award — excluded from discretionary-purchase analysis.

Why it stands out Official record

Director sold ~$4.8K of Lam Research

Scheduled in advance11mo ago