Public research preview
Shri Thanedar, Representative disclosure: Biogen Inc. - Common Stock (BIIB)
Disclosed a sell transaction in Biogen Inc. - Common Stock (BIIB). 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
- 9 Feb 2023, 00.00
- Parser confidence
- 94%
- Instrument mapping
- 95%
- Filing delay
- 17 days
Timeline
Transaction date
23 Jan 2023
Public disclosure
9 Feb 2023
Now
Tracked today
Filing delay: 17 days
Price movement
Complete coverage
- Provider
- Yahoo Finance daily close
- Fetched
- 9 Jun 2026
Stock path
BIIB from pre-transaction context through latest close.
Transaction
23 Jan 2023 · 291,93 DKK
- Observed transaction close
- 291,93
- Observed disclosure close
- 287
- Observed latest close
- 199,1
- Pre-disclosure move
- -1.7%
- Post-disclosure move
- -30.6%
- Market-adjusted move
- -30.6%
Why Copy Window is Probably too late
Supporting factors
- Parsed sell disclosure for ordinary shares from House STOCK Act disclosures.
- Transaction value is 0.
- 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 9 Feb 2023, 00.00
- Parser confidence
- 94%
- Instrument mapping
- 95%