Health Care · BIIB
Who is trading Biogen (BIIB): Congress, insiders and funds
As of Oct 30, 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
Congress trades in BIIB
| Filed | Traded | Member | Stock | Type | Amount | Report |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | Sep 24, 2026 | Maria Elvira Salazar R-FL-27 | BIIB Biogen | Sale | $1,001 - $15,000 | House PTR 20035562 |
| Sep 1, 2026 | Aug 18, 2026 | Kevin Hern R-OK-01 | BIIB Biogen | Sale | $1,001 - $15,000 | House PTR 20035326 |
| Jul 7, 2026 | Jun 2, 2026 | Maria Elvira Salazar R-FL-27 | BIIB Biogen | Sale | $15,001 - $50,000 | House PTR 20034928 |
| Jul 2, 2026 | Jun 5, 2026 | Gilbert Cisneros D-CA-31 | BIIB Biogen | Purchase | $1,001 - $15,000 | House PTR 20034906 |
| Jun 8, 2026 | May 12, 2026 | Maria Elvira Salazar R-FL-27 | BIIB Biogen | Purchase | $1,001 - $15,000 | House PTR 20034709 |
| Jun 8, 2026 | May 11, 2026 | Maria Elvira Salazar R-FL-27 | BIIB Biogen | Purchase | $50,001 - $100,000 | House PTR 20034709 |
| Jun 8, 2026 | May 11, 2026 | Maria Elvira Salazar R-FL-27 | BIIB Biogen | Purchase | $1,001 - $15,000 | House PTR 20034709 |
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 2025-10-30 to 2026-10-30).
Which big funds hold BIIB?
None of the 7 funds VolaIntel follows lists BIIB among its largest 13F holdings.
Data as of Oct 30, 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.