Activist 13D/13G Filings - MEDICINES CO (MDCO)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2020-02-14
4:56 pm
Sale		13GMEDICINES COMPANY
MDCO		Boxer Capital LLC967,000
11%		-3,043,742decrease
(-75.89%)		View
2020-02-12
07:49 am
Purchase		13GMEDICINES COMPANY
MDCO		VANGUARD GROUP INC7,632,116
9.57%		772,278increase
(+11.26%)		View
2020-02-12
07:23 am
Sale		13GMEDICINES COMPANY
MDCO		VANGUARD SPECIALIZED FUNDS0
0%		-5,617,020decrease
(Position Closed)		View
2020-02-10
07:32 am
Purchase		13GMEDICINES COMPANY
MDCO		BlackRock Inc.
BLK		12,125,788
15.2%		718,564increase
(+6.30%)		View
2020-01-28
09:58 am
Sale		13GMEDICINES COMPANY
MDCO		IRIDIAN ASSET MANAGEMENT LLC0
0%		-3,743,851decrease
(Position Closed)		View
2020-01-07
4:35 pm
Sale		13DMEDICINES COMPANY
MDCO		Sarissa Capital Management LP0
0%		-4,152,000decrease
(Position Closed)		View
2020-01-07
08:38 am
Sale		13GMEDICINES COMPANY
MDCO		WESTFIELD CAPITAL MANAGEMENT CO LP1,368,720
1.71%		-3,235,999decrease
(-70.28%)		View
2019-12-10
09:43 am
Sale		13GMEDICINES COMPANY
MDCO		FMR LLC3,913,932
4.872%		-7,165,394decrease
(-64.67%)		View
2019-12-09
11:06 am
Sale		13GMEDICINES COMPANY
MDCO		WELLINGTON MANAGEMENT GROUP LLP365,895
0.46%		-9,960,525decrease
(-96.46%)		View
2019-05-30
5:26 pm
Purchase		13DMEDICINES COMPANY
MDCO		Sarissa Capital Management LP4,152,000
5.62%		4,152,000increase
(New Position)		View