Public research preview

Gilbert Cisneros, Representative disclosure: Biogen Inc. - Common Stock (BIIB)

Disclosed a buy 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.

Copy Window
Probably too late
24/100
Signal Quality
60/100
Data quality
93%
High quality

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
2 Jul 2026, 00:00
Parser confidence
94%
Instrument mapping
95%
Filing delay
27 days

Timeline

Transaction date

5 Jun 2026

Public disclosure

2 Jul 2026

Now

Tracked today

Filing delay: 27 days

Price movement

Complete coverage

Provider
Yahoo Finance daily close
Fetched
7 Sept 2026

Stock path

BIIB from pre-transaction context through latest close.

Bought

5 Jun 2026 · 195.34 USD · Not public yet

System decision

Would have boughtThe strategy would have bought this signal, but the entry window has closed. Simulated entry on 2 Jul 2026 at 216.12 USD. Since entry: +2.2%. Planned exit on 28 Aug 2026 after 40 trading days.

Not public yetWindow closed191.9208.2224.5USDDate5 Jun2 Jul4 SeptOfficial disclosure2 JulPlanned exit216.1System buyBoughtDisclosureLatest
  • Not public yet
  • Buy window
  • Window closed
  • System buy
  • Planned exit
Observed transaction close
195.34
Observed disclosure close
216.12
Observed latest close
220.83
Pre-disclosure move
+10.6%
Post-disclosure move
+2.2%
Market-adjusted move
-1.2%
1w since disclosure
-8.0%
1m since disclosure
-6.6%
3m since disclosure
Pre-disclosure peak run-up
+10.9%
Retrace from peak
-0.2%

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 2 Jul 2026, 00:00

View source
Parser confidence
94%
Instrument mapping
95%
FieldExtracted value
roleRepresentative
sidebuy
value1001
sourcehouse_stock_act
tickerBIIB
chamberHouse
currencyUSD
assetTypestock
sourceUrlhttps://disclosures-clerk.house.gov/public_disc/ptr-pdfs/2026/20034906.pdf
personNameGilbert Cisneros
amountRange$1,001 - $15,000
companyNameBiogen Inc. - Common Stock (BIIB)
publishedAt2026-07-02T00:00:00.000Z
rawDocumentIdraw-us-house-20034906-8
disclosureDate2026-07-02
transactionDate2026-06-05
transactionTypeP