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Health Care · BIIB

Who is trading Biogen (BIIB): Congress, insiders and funds

As of Oct 28, 2026, members of Congress disclosed 7 trades in Biogen (BIIB): 4 purchases and 3 sales by 3 members. The latest is Maria Elvira Salazar's sale ($1,001 - $15,000) traded on Sep 24, 2026.

Congress trades
7
Congress buys / sells
4 / 3
Insider filings
0
Funds holding
0
Sector
Health Care

Open BIIB in VolaIntel

BIIB daily close, Oct 28, 2025 ($149.13) to Oct 28, 2026 ($244.05); range $147.86 to $253.84. Source: Yahoo Finance daily closes.

Congress trades in BIIB

BIIB: trades disclosed by members of Congress
FiledTradedMemberStockTypeAmountReport
Oct 7, 2026Sep 24, 2026Maria Elvira Salazar R-FL-27BIIB BiogenSale$1,001 - $15,000House PTR 20035562
Sep 1, 2026Aug 18, 2026Kevin Hern R-OK-01BIIB BiogenSale$1,001 - $15,000House PTR 20035326
Jul 7, 2026Jun 2, 2026Maria Elvira Salazar R-FL-27BIIB BiogenSale$15,001 - $50,000House PTR 20034928
Jul 2, 2026Jun 5, 2026Gilbert Cisneros D-CA-31BIIB BiogenPurchase$1,001 - $15,000House PTR 20034906
Jun 8, 2026May 12, 2026Maria Elvira Salazar R-FL-27BIIB BiogenPurchase$1,001 - $15,000House PTR 20034709
Jun 8, 2026May 11, 2026Maria Elvira Salazar R-FL-27BIIB BiogenPurchase$50,001 - $100,000House PTR 20034709
Jun 8, 2026May 11, 2026Maria Elvira Salazar R-FL-27BIIB BiogenPurchase$1,001 - $15,000House PTR 20034709

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Questions

Which members of Congress traded BIIB?

Maria Elvira Salazar (5), Gilbert Cisneros (1) and Kevin Hern (1), in VolaIntel's dataset.

Is Congress buying or selling BIIB?

The dataset holds 4 purchases and 3 sales of BIIB by members of Congress. The most recent is a sale by Maria Elvira Salazar traded on Sep 24, 2026.

Did Biogen insiders buy or sell BIIB?

No Form 4 open-market purchases or sales of BIIB are in the dataset (filed 2025-10-28 to 2026-10-28).

Which big funds hold BIIB?

None of the 7 funds VolaIntel follows lists BIIB among its largest 13F holdings.

Data as of Oct 28, 2026. Source: House Clerk periodic transaction reports and Senate eFD, via VolaIntel's daily refresh; SEC EDGAR Form 4 filings; SEC EDGAR Form 13F-HR information tables.

VolaIntel reports public filings. It is not investment advice. Amounts for congressional trades are the value ranges members report.