Did Gilbert Cisneros buy Biogen stock?

Common questions

Did Gilbert Cisneros buy Biogen stock?

Yes. Gilbert Cisneros disclosed 2 purchases and 1 sale of Biogen (BIIB) stock between Sep 16, 2020 and Jun 5, 2026, in STOCK Act reports. Added together, the disclosed purchases come to $2K-$30K and the disclosed sales to $1K-$15K.

How big were Gilbert Cisneros's Biogen trades?

STOCK Act reports give a range for each trade, such as $1K-$15K, never an exact amount. Added together, the disclosed purchases come to $2K-$30K and the disclosed sales to $1K-$15K.

Did Gilbert Cisneros make these Biogen trades personally?

Not always. The STOCK Act requires members to report trades by themselves, a spouse and dependent children. The owner column of each linked filing says whose trade it was.

Does Gilbert Cisneros still own Biogen stock?

This page lists reported trades, not holdings. A purchase can have been sold since, and the filings shown do not say what is held today.

When did Gilbert Cisneros report these trades?

The latest filing is dated Jul 2, 2026. The STOCK Act gives members of Congress 45 days to report a trade, so a filing can trail the trade by weeks. Every row shows both dates.

Where does this data come from?

From periodic transaction reports filed under the STOCK Act with the Clerk of the House. Every trade links to the original filing.