Stock · BIIB · Drug & medical companies
Members of Congress trading Biogen Inc. (BIIB)
5 members of Congress reported 12 trades in Biogen Inc. (BIIB) since January 2025: 8 purchases and 4 sales, worth $75K to $300K in total. Rep. Maria Elvira Salazar traded it most, 5 times. The latest reported trade was on Sep 24, 2026.
- Members who traded it
- 5
- Trades since 2025
- 12
- Purchases
- 8
- Sales
- 4
- Reported value
- $75K–$300K
- Democrats / Republicans
- 1 / 4
Who in Congress trades it
- Rep. Maria Elvira Salazar R-FL-275 trades
- Rep. Robert P. Bresnahan, Jr. R-PA-83 trades
- Rep. Gilbert Ray Cisneros, Jr. D-CA-312 trades
- Sen. Alan Armstrong R-OK1 trade
- Rep. Kevin Hern R-OK-11 trade
Latest trades
- Rep. Maria Elvira Salazar soldSep 24, 2026 · $1,001–$15K
- Rep. Kevin Hern soldAug 18, 2026 · $1,001–$15K
- Rep. Gilbert Ray Cisneros, Jr. boughtJun 5, 2026 · $1,001–$15K
- Rep. Maria Elvira Salazar soldJun 2, 2026 · $15K–$50K
- Rep. Maria Elvira Salazar boughtMay 12, 2026 · $1,001–$15K
- Rep. Maria Elvira Salazar boughtMay 11, 2026 · $1,001–$15K
- Rep. Maria Elvira Salazar boughtMay 11, 2026 · $50K–$100K
- Sen. Alan Armstrong boughtMar 27, 2026 · $1,001–$15K
- Rep. Gilbert Ray Cisneros, Jr. boughtJan 30, 2026 · $1,001–$15K
- Rep. Robert P. Bresnahan, Jr. boughtMay 15, 2025 · $1,001–$15K
- Rep. Robert P. Bresnahan, Jr. soldApr 8, 2025 · $1,001–$15K
- Rep. Robert P. Bresnahan, Jr. boughtFeb 25, 2025 · $1,001–$15K
About these numbers
Members of Congress must report stock trades by themselves, their spouses and dependent children within 45 days, in dollar ranges rather than exact amounts. Trading stock is legal. This page lists trades reported on House and Senate periodic transaction reports since January 1, 2025, as of Oct 17, 2026.
Related
From House Clerk and Senate disclosure reports. Each member’s profile links to the original filings.
Cite or embed this page
Capitol Receipts, “Biogen (BIIB) Stock Trades by Members of Congress,” https://www.capitolreceipts.com/stock/BIIB/biogen-inc (accessed 2026-10-17).