BIIB

Biogen Inc.

193.03 USD
-1.09 (-0.56%)
Last updated
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Government Trades

The Stock Trading on Congressional Knowledge Act requires U.S. Senators and U.S. Representatives to publicly file and disclose any financial transaction within 45 days of its occurrence. We download those disclosures, parse them for stock trades, fetch the stock's performance in the time following the transaction, and calculate each politician's cumulative return from their trades.

Government Trades
Stock Politician Transaction Excess return * Traded Filed
BIIB
Biogen Inc.
Daniel Goldman
D  House
Sale
$1,001 - $15,000
  -27.32%
Mar 6, 2023
Apr 17, 2023
BIIB
Biogen Inc.
Shri Thanedar
D  House
Sale
$15,001 - $50,000
  -34.73%
Jan 23, 2023
Feb 9, 2023
BIIB
Biogen Inc.
Kathy Manning
D  House
Sale
$1,001 - $15,000
  -2.02%
Aug 3, 2022
Sep 14, 2022
BIIB
Biogen Inc.
Kathy Manning
D  House
Purchase
$1,001 - $15,000
  -4.33%
Jul 20, 2022
Aug 10, 2022
BIIB
Biogen Inc.
Josh Gottheimer
D  House
Sale
$1,001 - $15,000
  8.89%
Mar 17, 2022
Apr 17, 2022
BIIB
Biogen Inc.
Josh Gottheimer
D  House
Purchase
$1,001 - $15,000
  0.08%
Jan 10, 2022
Feb 18, 2022
BIIB
Biogen Inc.
Kathy Manning
D  House
Sale
$1,001 - $15,000
  -1.73%
Jan 14, 2022
Feb 11, 2022
BIIB
Biogen Inc.
Josh Gottheimer
D  House
Sale
$1,001 - $15,000
  1.45%
Dec 9, 2021
Jan 10, 2022
BIIB
Biogen Inc.
Josh Gottheimer
D  House
Purchase
$1,001 - $15,000
  -16.38%
Oct 18, 2021
Nov 15, 2021
BIIB
Biogen Inc.
Josh Gottheimer
D  House
Sale
$1,001 - $15,000
  -24.61%
Sep 15, 2021
Oct 13, 2021
BIIB
Biogen Inc.
Josh Gottheimer
D  House
Purchase
$1,001 - $15,000
  -49.45%
Jun 8, 2021
Jul 15, 2021
BIIB
Biogen Inc.
Peter Meijer
R  House
Sale
$15,001 - $50,000
  -33.51%
Feb 16, 2021
Mar 16, 2021
BIIB
Biogen Inc.
Christopher L. Jacobs
R  House
Sale
$1,001 - $15,000
  -28.60%
Jan 4, 2021
Feb 17, 2021
BIIB
Biogen Inc.
Gilbert Cisneros
D  House
Sale
$1,001 - $15,000
  -31.02%
Dec 22, 2020
Jan 11, 2021
BIIB
Biogen Inc.
Gilbert Cisneros
D  House
Purchase
$1,001 - $15,000
  -51.01%
Sep 16, 2020
Oct 14, 2020
BIIB
Biogen Inc.
Josh Gottheimer
D  House
Purchase
$1,001 - $15,000
  -59.25%
Jul 7, 2020
Aug 10, 2020
BIIB
Biogen Inc.
Gilbert Cisneros
D  House
Purchase
$1,001 - $15,000
  -79.57%
Apr 29, 2020
May 13, 2020
BIIB
Biogen Inc.
Donna Shalala
D  House
Sale
$1,001 - $15,000
  -56.66%
Jun 24, 2019
Apr 27, 2020
BIIB
Biogen Inc.
Gilbert Cisneros
D  House
Sale
$1,001 - $15,000
  -112.75%
Mar 18, 2020
Apr 16, 2020
BIIB
Biogen Inc.
Gilbert Cisneros
D  House
Purchase
$1,001 - $15,000
  -68.93%
Feb 7, 2020
Mar 10, 2020
BIIB
Biogen Inc.
Dean Phillips
D  House
Sale
$1,001 - $15,000
  -54.01%
Sep 11, 2019
Oct 11, 2019
BIIB
Biogen Inc.
Dean Phillips
D  House
Sale
$1,001 - $15,000
  -56.92%
Aug 13, 2019
Sep 16, 2019
BIIB
Biogen Inc.
Dean Phillips
D  House
Purchase
$1,001 - $15,000
  -55.89%
Jun 20, 2019
Jul 11, 2019
BIIB
Biogen Inc.
Gilbert Cisneros
D  House
Sale
$1,001 - $15,000
  -58.04%
May 9, 2019
Jun 18, 2019
BIIB
Biogen Inc.
Dean Phillips
D  House
Sale
$1,001 - $15,000
  -60.02%
May 13, 2019
Jun 13, 2019

* Estimated excess return of the underlying stock since the transaction