Public research preview
Jefferson Shreve, Representative disclosure: Costco Wholesale Corporation - Common Stock (COST)
Disclosed a sell 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
- 11 Apr 2025, 00.00
- Parser confidence
- 94%
- Instrument mapping
- 95%
- Filing delay
- 11 days
Timeline
Transaction date
31 Mar 2025
Public disclosure
11 Apr 2025
Now
Tracked today
Filing delay: 11 days
Price movement
Complete coverage
- Provider
- Yahoo Finance daily close
- Fetched
- 11 Jun 2026
Stock path
COST from pre-transaction context through latest close.
Transaction
31 Mar 2025 · 939,262 USD · Not public yet
System decision
Would not buy — The strategy's filters reject this signal. Failed filters: Buy disclosure.
- Not public yet
- Would not buy
- Observed transaction close
- 939,262
- Observed disclosure close
- 956,771
- Observed latest close
- 979,565
- Pre-disclosure move
- +1.9%
- Post-disclosure move
- +2.4%
- Market-adjusted move
- -29.1%
- Pre-disclosure peak run-up
- +2.3%
- Retrace from peak
- -0.4%
Why Copy Window is Probably too late
Supporting factors
- Parsed sell disclosure for ordinary shares from House STOCK Act disclosures.
- Reported amount is $15,001 - $50,000.
- 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 11 Apr 2025, 00.00
- Parser confidence
- 94%
- Instrument mapping
- 95%