Public research preview
Dan Newhouse, Representative disclosure: Costco Wholesale Corporation - Common Stock (COST)
Disclosed a buy transaction in Costco Wholesale Corporation - Common Stock (COST). 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
- 17 Jul 2026, 00:00
- Parser confidence
- 94%
- Instrument mapping
- 95%
- Filing delay
- 7 days
Timeline
Transaction date
10 Jul 2026
Public disclosure
17 Jul 2026
Now
Tracked today
Filing delay: 7 days
Price movement
Complete coverage
- Provider
- Yahoo Finance daily close
- Fetched
- 20 Jul 2026
Stock path
COST from pre-transaction context through latest close.
Bought
10 Jul 2026 · 916.25 USD · Not public yet
System decision
Would buy now — The strategy would buy this signal, and the entry window is still open. Simulated entry on 17 Jul 2026 at 940.87 USD. Since entry: -0.5%. Planned exit around 11 Sept 2026 after 40 trading days.
- Not public yet
- Buy window
- System buy
- Observed transaction close
- 916.25
- Observed disclosure close
- 940.87
- Observed latest close
- 935.8
- Pre-disclosure move
- +2.7%
- Post-disclosure move
- -0.5%
- Market-adjusted move
- -0.4%
- 1w since disclosure
- —
- 1m since disclosure
- —
- 3m since disclosure
- —
- Pre-disclosure peak run-up
- +3.2%
- Retrace from peak
- -0.5%
Why Copy Window is Still fresh
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 17 Jul 2026, 00:00
- Parser confidence
- 94%
- Instrument mapping
- 95%