TradeWithCongress

BIIBBiogen Inc

29 members of Congress disclosed 98 transactions in BIIB between Dec 20, 2013 and Jun 5, 2026.

98
Transactions
66 buys · 32 sells
29
Members
~$1.3M
Est. volume
14D / 15R
Party split
distinct members

Who traded it

MemberTradesBuys / SellsEst. volume
Sheldon WhitehouseD-RI1814 / 4~$218K
Thomas MacArthurR-NJ86 / 2~$156K
Maria Elvira SalazarR-FL43 / 1~$124K
James B. RenacciR-OH1110 / 1~$113K
James M. InhofeR-OK21 / 1~$108K
Rubén HinojosaD-TX105 / 5~$80K
Harold RogersR-KY22 / 0~$41K
Joseph P. Kennedy IIID-MA21 / 1~$41K
Alan S. LowenthalD-CA21 / 1~$41K
Shri ThanedarD-MI10 / 1~$33K
Peter MeijerR-MI10 / 1~$33K
Cheri BustosD-IL10 / 1~$33K
Kurt SchraderD-OR44 / 0~$32K
Michael T. McCaulR-TX44 / 0~$32K
Gilbert Ray Cisneros, Jr.D-CA33 / 0~$24K
Robert P. Bresnahan, Jr.R-PA32 / 1~$24K
Kathy E. ManningD-NC31 / 2~$24K
Mike KellyR-PA32 / 1~$24K
Ed WhitfieldR-KY33 / 0~$24K
Susan M. CollinsR-ME30 / 3~$24K

Transactions

98
MemberTypeAmountTradedDisclosedSource
Buy~$8K
$1,001$15,000
Mar 27, 2026Jul 21, 2026
116d · late
filing
Sell~$33K
$15,001$50,000
Jun 2, 2026Jul 7, 2026
35d
filing
Buy~$8K
$1,001$15,000
Jun 5, 2026Jul 2, 2026
27d
filing
Buy~$8K
$1,001$15,000
May 12, 2026Jun 8, 2026
27d
filing
Buy~$8K
$1,001$15,000
May 11, 2026Jun 8, 2026
28d
filing
Buy~$75K
$50,001$100,000
May 11, 2026Jun 8, 2026
28d
filing
Buy~$8K
$1,001$15,000
Jan 30, 2026Feb 13, 2026
14d
filing
Buy~$8K
$1,001$15,000
May 15, 2025Jun 9, 2025
25d
filing
Sell~$8K
$1,001$15,000
Apr 8, 2025May 8, 2025
30d
filing
Buy~$8K
$1,001$15,000
Feb 25, 2025Mar 27, 2025
30d
filing
Buyspouse~$8K
$1,001$15,000
Feb 2, 2021Nov 8, 2024
1375d · late
filing
Sell (part)~$8K
$1,001$15,000
Mar 6, 2023Apr 17, 2023
42d
filing
Sell~$33K
$15,001$50,000
Jan 23, 2023Feb 9, 2023
17d
filing
Buychild~$8K
$1,001$15,000
Nov 7, 2022Dec 6, 2022
29d
filing
Selljoint~$8K
$1,001$15,000
Aug 3, 2022Sep 14, 2022
42d
filing
Buyjoint~$8K
$1,001$15,000
Jul 20, 2022Aug 10, 2022
21d
filing
Selljoint~$8K
$1,001$15,000
Mar 17, 2022Apr 17, 2022
31d
filing
Sellspouse~$8K
$1,001$15,000
Jan 14, 2022Feb 11, 2022
28d
filing
Sell~$33K
$15,001$50,000
Feb 16, 2021Mar 16, 2021
28d
filing
Buy~$8K
$1,001$15,000
Sep 16, 2020Oct 14, 2020
28d
filing
Sell~$8K
$1,001$15,000
Jun 24, 2019Apr 27, 2020
308d · late
filing
Sell (part)~$8K
$1,001$15,000
Aug 13, 2019Sep 16, 2019
34d
filing
Sell (part)~$8K
$1,001$15,000
May 13, 2019Jun 13, 2019
31d
filing
Buyspouse~$8K
$1,001$15,000
Mar 12, 2019Apr 30, 2019
49d · late
filing
Sellspouse~$8K
$1,001$15,000
Mar 22, 2019Apr 17, 2019
26d
filing
Sellspouse~$8K
$1,001$15,000
Mar 25, 2019Apr 15, 2019
21d
filing
Buychild~$8K
$1,001$15,000
May 2, 2018Jun 5, 2018
34d
filing
Buychild~$8K
$1,001$15,000
May 2, 2018Jun 5, 2018
34d
filing
Selljoint~$8K
$1,001$15,000
Jan 8, 2018Feb 13, 2018
36d
filing
Buyjoint~$8K
$1,001$15,000
Jun 7, 2017Jun 22, 2017
15d
filing
Sell~$33K
$15,001$50,000
Jan 30, 2017Feb 9, 2017
10d
filing
Sell (part)joint~$8K
$1,001$15,000
Dec 23, 2016Jan 11, 2017
19d
filing
Sell~$33K
$15,001$50,000
Dec 13, 2016Jan 11, 2017
29d
filing
Buychild~$8K
$1,001$15,000
Dec 8, 2016Jan 7, 2017
30d
filing
Buychild~$8K
$1,001$15,000
Dec 8, 2016Jan 7, 2017
30d
filing
Buyspouse~$8K
$1,001$15,000
Nov 24, 2016Dec 6, 2016
12d
filing
Sellspouse~$8K
$1,001$15,000
Sep 1, 2016Sep 15, 2016
14d
filing
unverified
Buyspouse~$8K
$1,001$15,000
Aug 17, 2016Sep 15, 2016
29d
filing
unverified
Buyspouse~$8K
$1,001$15,000
Aug 3, 2016Aug 30, 2016
27d
filing
Buyspouse~$8K
$1,001$15,000
Aug 2, 2016Aug 30, 2016
28d
filing
Buyspouse~$8K
$1,001$15,000
Aug 1, 2016Aug 30, 2016
29d
filing
Buyjoint~$8K
$1,001$15,000
Aug 10, 2015Aug 11, 2016
367d · late
filing
Buy~$8K
$1,001$15,000
Aug 10, 2015Aug 11, 2016
367d · late
filing
Buyspouse~$8K
$1,001$15,000
Aug 4, 2015Aug 11, 2016
373d · late
filing
Buy~$8K
$1,001$15,000
Aug 4, 2015Aug 11, 2016
373d · late
filing
Sell~$75K
$50,001$100,000
Jul 21, 2016Aug 4, 2016
14d
filing
Buyspouse~$8K
$1,001$15,000
Jul 20, 2016Aug 3, 2016
14d
filing
Buyjoint~$8K
$1,001$15,000
Jun 21, 2016Jul 15, 2016
24d
filing
unverified
Buyjoint~$8K
$1,001$15,000
Jun 18, 2016Jul 15, 2016
27d
filing
unverified
Buyjoint~$8K
$1,001$15,000
Jun 17, 2016Jul 15, 2016
28d
filing
unverified
Buyjoint~$8K
$1,001$15,000
Jun 14, 2016Jul 15, 2016
31d
filing
unverified
Buyjoint~$8K
$1,001$15,000
Jun 1, 2016Jun 17, 2016
16d
filing
Sellspouse~$33K
$15,001$50,000
Apr 19, 2016May 5, 2016
16d
filing
Buyspouse~$8K
$1,001$15,000
Apr 18, 2016May 5, 2016
17d
filing
Buy~$8K
$1,001$15,000
Feb 4, 2016Mar 10, 2016
35d
filing
Selljoint~$75K
$50,001$100,000
Feb 2, 2016Mar 3, 2016
30d
filing
Buy~$8K
$1,001$15,000
Jan 25, 2016Feb 2, 2016
8d
filing
Buy~$8K
$1,001$15,000
Jan 19, 2016Feb 2, 2016
14d
filing
Buyjoint~$33K
$15,001$50,000
Oct 28, 2015Nov 5, 2015
8d
filing
unverified
Buychild~$8K
$1,001$15,000
Sep 22, 2015Oct 8, 2015
16d
filing
Buychild~$8K
$1,001$15,000
Sep 22, 2015Oct 8, 2015
16d
filing
Buyjoint~$8K
$1,001$15,000
Aug 28, 2015Sep 24, 2015
27d
filing
Buyjoint~$8K
$1,001$15,000
Aug 10, 2015Sep 1, 2015
22d
filing
Buy~$8K
$1,001$15,000
Aug 10, 2015Sep 1, 2015
22d
filing
Buy~$8K
$1,001$15,000
Aug 4, 2015Sep 1, 2015
28d
filing
Buyspouse~$8K
$1,001$15,000
Aug 4, 2015Sep 1, 2015
28d
filing
Buy~$33K
$15,001$50,000
May 7, 2015Aug 12, 2015
97d · late
filing
Selljoint~$33K
$15,001$50,000
Jul 29, 2015Jul 29, 2015
0d
filing
unverified
Buyjoint~$8K
$1,001$15,000
Jul 28, 2015Jul 29, 2015
1d
filing
unverified
Sellspouse~$8K
$1,001$15,000
Jul 23, 2015Jul 25, 2015
2d
filing
Buyjoint~$8K
$1,001$15,000
Jul 10, 2015Jul 21, 2015
11d
filing
Buy~$8K
$1,001$15,000
Jul 10, 2015Jul 21, 2015
11d
filing
Sellspouse~$8K
$1,001$15,000
Jul 23, 2014Jul 20, 2015
362d · late
filing
Buy~$33K
$15,001$50,000
Jul 9, 2015Jul 15, 2015
6d
filing
Buy~$33K
$15,001$50,000
May 7, 2015Jun 3, 2015
27d
filing
Buyspouse~$8K
$1,001$15,000
Apr 29, 2015May 14, 2015
15d
filing
Buyspouse~$33K
$15,001$50,000
Apr 15, 2015May 2, 2015
17d
filing
Buyspouse~$8K
$1,001$15,000
Apr 7, 2015Apr 23, 2015
16d
filing
Selljoint~$33K
$15,001$50,000
Feb 4, 2015Mar 11, 2015
35d
filing
Buyspouse~$8K
$1,001$15,000
Dec 5, 2014Jan 21, 2015
47d · late
filing
Buyspouse~$8K
$1,001$15,000
Nov 20, 2014Dec 8, 2014
18d
filing
Buyspouse~$8K
$1,001$15,000
Oct 27, 2014Nov 10, 2014
14d
filing
Buyjoint~$8K
$1,001$15,000
Sep 19, 2014Nov 6, 2014
48d · late
filing
Buyjoint~$8K
$1,001$15,000
Aug 19, 2014Sep 12, 2014
24d
filing
Sellspouse~$8K
$1,001$15,000
Jul 23, 2014Aug 14, 2014
22d
filing
Buyspouse~$8K
$1,001$15,000
Apr 14, 2014May 9, 2014
25d
filing
Buyspouse~$8K
$1,001$15,000
Apr 10, 2014May 9, 2014
29d
filing
Sell (part)spouse~$8K
$1,001$15,000
Mar 27, 2014Apr 1, 2014
5d
filing
Sellchild~$8K
$1,001$15,000
Feb 27, 2014Mar 3, 2014
4d
filing
Sellspouse~$8K
$1,001$15,000
Feb 27, 2014Mar 3, 2014
4d
filing
Sellspouse~$8K
$1,001$15,000
Feb 27, 2014Mar 3, 2014
4d
filing
Buy~$8K
$1,001$15,000
Jan 24, 2014Feb 4, 2014
11d
filing
Buy~$8K
$1,001$15,000
Jan 24, 2014Feb 4, 2014
11d
filing
Buychild~$8K
$1,001$15,000
Jan 24, 2014Feb 4, 2014
11d
filing
Buychild~$8K
$1,001$15,000
Jan 24, 2014Feb 4, 2014
11d
filing
Buy~$8K
$1,001$15,000
Jan 16, 2014Feb 4, 2014
19d
filing
Sellchild~$8K
$1,001$15,000
Dec 31, 2013Jan 7, 2014
7d
filing
Sellchild~$8K
$1,001$15,000
Dec 20, 2013Jan 7, 2014
18d
filing

Disclosures are filed up to 45 days after a trade, so this is a record rather than a signal. Amounts are bracket midpoints. Symbols are recorded as they existed on the trade date and mapped forward where a company was renamed.