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
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Time period
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Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2023-02-14
4:04 pm
Sale		13GMerrimack Pharmaceuticals, Inc.
MACK		Point72 Asset Management L.P.0
0%		-900,981decrease
(Position Closed)		View
2023-02-13
4:20 pm
Purchase		13GMerrimack Pharmaceuticals, Inc.
MACK		22NW Fund LP1,015,048
7.6%		1,015,048increase
(New Position)		View
2022-08-04
4:28 pm
Purchase		13GMerrimack Pharmaceuticals, Inc.
MACK		Point72 Asset Management L.P.900,981
6.7%		900,981increase
(New Position)		View
2022-02-14
12:50 pm
Unchanged		13GMerrimack Pharmaceuticals, Inc.
MACK		22NW LP1,241,896
9.3%		0
(Unchanged)		View
2022-02-14
08:19 am
Sale		13GMerrimack Pharmaceuticals, Inc.
MACK		Nantahala Capital Management LLC569,971
4.3%		-181,872decrease
(-24.19%)		View
2021-02-12
5:13 pm
Sale		13GMerrimack Pharmaceuticals, Inc.
MACK		DIMENSIONAL FUND ADVISORS LP550,539
4.1%		-122,591decrease
(-18.21%)		View
2021-02-12
4:01 pm
Purchase		13GMerrimack Pharmaceuticals, Inc.
MACK		22NW LP1,241,896
9.28%		492,594increase
(+65.74%)		View
2021-02-12
06:46 am
Purchase		13GMerrimack Pharmaceuticals, Inc.
MACK		Nantahala Capital Management LLC751,843
5.6%		4,208increase
(+0.56%)		View
2020-12-02
7:21 pm
Purchase		13DMerrimack Pharmaceuticals, Inc.
MACK		Western Standard LLC1,188,845
8.9%		142,217increase
(+13.59%)		View
2020-12-02
2:18 pm
Purchase		13DMerrimack Pharmaceuticals, Inc.
MACK		Newtyn Management LLC1,519,107
11.4%		142,227increase
(+10.33%)		View
2020-07-24
5:42 pm
Purchase		13DMerrimack Pharmaceuticals, Inc.
MACK		Newtyn Management LLC1,376,880
10.3%		203,714increase
(+17.36%)		View
2020-07-23
8:44 pm
Purchase		13DMerrimack Pharmaceuticals, Inc.
MACK		Western Standard LLC1,046,628
7.8%		203,715increase
(+24.17%)		View
2020-02-14
3:17 pm
Sale		13GMerrimack Pharmaceuticals, Inc.
MACK		BIOTECHNOLOGY VALUE FUND L P0
0%		-721,935decrease
(Position Closed)		View
2020-02-14
12:23 pm
Purchase		13GMerrimack Pharmaceuticals, Inc.
MACK		Nantahala Capital Management LLC747,635
5.6%		747,635increase
(New Position)		View
2020-02-12
11:45 am
Purchase		13GMerrimack Pharmaceuticals, Inc.
MACK		DIMENSIONAL FUND ADVISORS LP673,130
5.04%		673,130increase
(New Position)		View
2019-11-19
4:00 pm
Sale		13DMerrimack Pharmaceuticals, Inc.
MACK		JFL Capital Management LLC701,998
5.3%		-547,830decrease
(-43.83%)		View
2019-09-27
6:51 pm
Unchanged		13DMerrimack Pharmaceuticals, Inc.
MACK		Newtyn Management LLC1,173,166
8.8%		0
(Unchanged)		View
2019-09-27
6:46 pm
Unchanged		13DMerrimack Pharmaceuticals, Inc.
MACK		Western Standard LLC842,913
6.3%		0
(Unchanged)		View
2019-09-24
4:52 pm
Unchanged		13DMerrimack Pharmaceuticals, Inc.
MACK		JFL Capital Management LLC1,249,828
9.4%		0
(Unchanged)		View
2019-09-19
12:40 pm
Sale		13DMerrimack Pharmaceuticals, Inc.
MACK		Newtyn Management LLC1,173,166
8.8%		-18,220decrease
(-1.53%)		View
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