33 members of Congress have disclosed 246 trades in Biogen Inc. (BIIB) since 2013: 122 purchases worth about $1.71M and 124 sales worth about $2.69M. The most active was Ro Khanna, with 80 trades. The latest trade was made on Sep 24, 2026.
BIIB’s price and SPY’s, both as the change since the start of the range. A green triangle marks a day members bought BIIB, a red one a day they sold; hover for who and how much.
| # | Member | Trades | Buys | Sells | Bought (est.) | Sold (est.) | Net | Buys vs SPY | First Traded | Last Traded |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ro KhannaD-CA | 80 | 45 | 35 | $360.02K | $329.02K | +$31.01K | -87.2% | Feb 27, 2017 | Sep 11, 2026 |
| 2 | Maria Elvira SalazarR-FL | 5 | 3 | 2 | $91.00K | $40.50K | +$50.50K | +23.7% | May 11, 2026 | Sep 24, 2026 |
| 3 | Kevin HernR-OK | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | Aug 18, 2026 | Aug 18, 2026 |
| 4 | Gilbert Ray Cisneros, Jr.D-CA | 8 | 5 | 3 | $40.00K | $24.00K | +$16.00K | -80.9% | May 9, 2019 | Jun 5, 2026 |
| 5 | Robert P. Bresnahan, Jr.R-PA | 3 | 2 | 1 | $16.00K | $8.00K | +$8.00K | +60.5% | Feb 25, 2025 | May 15, 2025 |
| 6 | Byron DonaldsR-FL | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | Feb 2, 2024 | Feb 2, 2024 |
| 7 | Daniel S. GoldmanD-NY | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | Mar 6, 2023 | Mar 6, 2023 |
| 8 | Shri ThanedarD-MI | 1 | 0 | 1 | $0.00 | $32.50K | -$32.50K | – | Jan 23, 2023 | Jan 23, 2023 |
| 9 | Kathy E. ManningD-NC | 3 | 1 | 2 | $8.00K | $16.00K | -$8.00K | -70.5% | Jan 14, 2022 | Aug 3, 2022 |
| 10 | Josh GottheimerD-NJ | 9 | 5 | 4 | $40.00K | $32.00K | +$8.00K | -118.8% | Jul 24, 2018 | Mar 17, 2022 |
| 11 | Peter MeijerR-MI | 1 | 0 | 1 | $0.00 | $32.50K | -$32.50K | – | Feb 16, 2021 | Feb 16, 2021 |
| 12 | Chris JacobsR-NY | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | Jan 4, 2021 | Jan 4, 2021 |
| 13 | Donna E. ShalalaD-FL | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | Jun 24, 2019 | Jun 24, 2019 |
| 14 | Dean PhillipsD-MN | 4 | 1 | 3 | $8.00K | $24.00K | -$16.00K | -148.2% | May 13, 2019 | Sep 11, 2019 |
| 15 | Van TaylorR-TX | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | Mar 25, 2019 | Mar 25, 2019 |
| Owner | Type | Filing | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Maria Elvira SalazarR-FL | BIIBBiogen Inc. - Common Stock | Self | Sell (Partial) | $1K–$15K | Sep 24, 2026 | Oct 7, 2026 | 13d | +10.0% | +12.0% | |
| Ro KhannaD-CA | BIIBBIOGEN INC. CMN | Spouse | Buy | $1K–$15K | Sep 4, 2026 | Oct 7, 2026 | 33d | +12.8% | +15.1% | |
| Ro KhannaD-CA | BIIBBIOGEN INC CMN | Dependent Child | Sell | $1K–$15K | Sep 11, 2026 | Oct 7, 2026 | 26d | +14.7% | +16.3% | |
| Kevin HernR-OK | BIIBBiogen Inc. - Common Stock | Self | Sell | $1K–$15K | Aug 18, 2026 | Sep 1, 2026 | 14d | +17.2% | +19.1% | |
| Maria Elvira SalazarR-FL | BIIBBiogen Inc. - Common Stock | Self | Sell | $15K–$50K | Jun 2, 2026 | Jul 7, 2026 | 35d | +31.9% | +32.8% | |
| Gilbert Ray Cisneros, Jr.D-CA | BIIBBiogen Inc. - Common Stock | Self | Buy | $1K–$15K | Jun 5, 2026 | Jul 2, 2026 | 27d | +27.5% | +25.5% | |
| Ro KhannaD-CA | BIIBBIOGEN INC. CMN | Spouse | Buy | $1K–$15K | May 15, 2026 | Jun 9, 2026 | 25d | +29.1% | +27.3% | |
| Ro KhannaD-CA | BIIBBIOGEN INC. CMN | Spouse | Sell | $1K–$15K | May 27, 2026 | Jun 9, 2026 | 13d | +26.4% | +26.2% | |
| Maria Elvira SalazarR-FL | BIIBBiogen Inc. - Common Stock | Self | Buy | $1K–$15K | May 11, 2026 | Jun 8, 2026 | 28d | +25.8% | +24.1% | |
| Maria Elvira SalazarR-FL | BIIBBiogen Inc. - Common Stock | Self | Buy | $1K–$15K | May 12, 2026 | Jun 8, 2026 | 27d | +24.9% | +23.0% | |
| Maria Elvira SalazarR-FL | BIIBBiogen Inc. - Common Stock | Self | Buy | $50K–$100K | May 11, 2026 | Jun 8, 2026 | 28d | +25.8% | +24.1% | |
| Ro KhannaD-CA | BIIBBIOGEN INC. CMN | Spouse | Sell | $1K–$15K | Apr 13, 2026 | May 11, 2026 | 28d | +41.2% | +31.6% | |
| Ro KhannaD-CA | BIIBBIOGEN INC. CMN | Spouse | Sell (Partial) | $1K–$15K | Feb 6, 2026 | Mar 9, 2026 | 31d | +23.8% | +14.9% | |
| Gilbert Ray Cisneros, Jr.D-CA | BIIBBiogen Inc. - Common Stock | Self | Buy | $1K–$15K | Jan 30, 2026 | Feb 13, 2026 | 14d | +38.4% | +29.7% | |
| Ro KhannaD-CA | BIIBBIOGEN INC. CMN | Spouse | Buy | $1K–$15K | Jan 29, 2026 | Feb 6, 2026 | 8d | +41.3% | +33.0% |
Tip. Hover a row for the filing’s full asset text and comments; the PDF link opens the report itself.
33 members of Congress have disclosed 246 trades in Biogen Inc. (BIIB) since 2013: 122 purchases worth about $1.71M and 124 sales worth about $2.69M. The most active was Ro Khanna, with 80 trades. The latest trade was made on Sep 24, 2026. Most active: Ro Khanna (80), Maria Elvira Salazar (5), Kevin Hern (1), Gilbert Ray Cisneros, Jr. (8), Robert P. Bresnahan, Jr. (3).
Since 2013 they have disclosed 122 purchases and 124 sales; by the midpoints of the disclosed ranges, about $1.71M bought and $2.69M sold, a net sale of $986.50K.
Members of Congress report each trade over $1,000 within 45 days under the STOCK Act, with the amount as a range. The chart marks the days members traded BIIB on its price, against the S&P 500 over the same days.
Members of Congress disclose trades as dollar ranges, up to 45 days after the trade and sometimes later. Volumes use the midpoints of those ranges and are estimates; portfolio figures are a model built from the disclosed trades, not the members’ actual accounts. Not investment advice.