Public research preview
Bruce Westerman, 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
- 12 May 2025, 00.00
- Parser confidence
- 94%
- Instrument mapping
- 95%
- Filing delay
- 21 days
Chronologie
Date de transaction
21 Apr 2025
Déclaration publique
12 May 2025
Maintenant
Suivi aujourd’hui
Délai de déclaration: 21 jours
Mouvement du cours
Couverture complète
- Fournisseur
- Yahoo Finance daily close
- Récupéré
- 12 Jun 2026
Parcours du cours
COST du contexte avant transaction jusqu’à la dernière clôture.
Transaction
21 Apr 2025 · 951,169 USD · Pas encore public
Décision du système
N'achèterait pas — Les filtres de la stratégie rejettent ce signal. Filtres échoués: Buy disclosure.
- Pas encore public
- N'achèterait pas
- Clôture observée à la transaction
- 951,169
- Clôture observée à la déclaration
- 1.010,462
- Dernière clôture observée
- 974,94
- Mouvement avant déclaration
- +6.2%
- Mouvement après déclaration
- -3.5%
- Mouvement ajusté du marché
- -31.5%
- Hausse maximale avant déclaration
- +6.2%
- Repli depuis le pic
- 0.0%
Why Copy Window is Probably too late
Supporting factors
- Parsed sell 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 12 May 2025, 00.00
- Parser confidence
- 94%
- Instrument mapping
- 95%