Public research preview
Byron Donalds, Representative disclosure: Lam Research Corporation - Common Stock (LRCX)
Disclosed a buy transaction in Lam Research Corporation - Common Stock (LRCX). Use this page to inspect source evidence, confidence scores, filing delay, and post-disclosure price movement before deciding whether to research the signal further.
This public page is for public-disclosure research only. It is not investment advice and does not place orders. Verify the official source before relying on any signal.
Evidence passport
Official-source context and parser confidence before any simulation or alert decision.
- Source
- House STOCK Act disclosures
- Published
- 5 Sept 2025, 00:00
- Parser confidence
- 94%
- Instrument mapping
- 95%
- Filing delay
- 29 days
Timeline
Transaction date
7 Aug 2025
Public disclosure
5 Sept 2025
Now
Tracked today
Filing delay: 29 days
Price movement
Complete coverage
- Provider
- Yahoo Finance daily close
- Fetched
- 31 Jul 2026
Stock path
LRCX from pre-transaction context through latest close.
Bought
7 Aug 2025 · 98.604 USD · Not public yet
System decision
Would have bought — The strategy would have bought this signal, but the entry window has closed. Simulated entry on 5 Sept 2025 at 102.383 USD. Since entry: +194.7%. Planned exit on 31 Oct 2025 after 40 trading days.
- Not public yet
- Buy window
- Window closed
- System buy
- Planned exit
- Observed transaction close
- 98.604
- Observed disclosure close
- 102.383
- Observed latest close
- 301.705
- Pre-disclosure move
- +3.8%
- Post-disclosure move
- +194.7%
- Market-adjusted move
- +178.2%
- 1w since disclosure
- +13.6%
- 1m since disclosure
- +45.2%
- 3m since disclosure
- +53.1%
- Pre-disclosure peak run-up
- +8.3%
- Retrace from peak
- -4.1%
Why Copy Window is Probably too late
Supporting factors
- Parsed buy disclosure for ordinary shares from House STOCK Act disclosures.
- Reported amount is $1,001 - $15,000.
- Post-disclosure move is calculated from Yahoo Finance daily close daily closes.
Cautions
- Yahoo Finance daily close coverage is end-of-day and should be verified against the official price source.
- Review the original source document before making any investment decision.
Source document
House STOCK Act disclosures, published 5 Sept 2025, 00:00
- Parser confidence
- 94%
- Instrument mapping
- 95%