Activist 13D/13G Filings - Atlas Venture Fund IX L.P.

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
Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2023-01-31
08:57 am
Unchanged		13GSurface Oncology Inc.
SURF		Atlas Venture Fund IX L.P.2,945,453
4.870%		0
(Unchanged)		View
2022-01-25
11:32 am
Unchanged		13GCOGENT BIOSCIENCES INC
COGT		Atlas Venture Fund IX L.P.916,196
2.300%		0
(Unchanged)		View
2022-01-25
11:30 am
Unchanged		13GSurface Oncology Inc.
SURF		Atlas Venture Fund IX L.P.2,945,453
6.380%		0
(Unchanged)		View
2022-01-25
11:28 am
Unchanged		13GSpero Therapeutics Inc.
SPRO		Atlas Venture Fund IX L.P.1,376,968
4.260%		0
(Unchanged)		View
2021-02-02
1:03 pm
Sale		13GSurface Oncology Inc.
SURF		Atlas Venture Fund IX L.P.2,945,453
7.240%		-1,709,000decrease
(-36.72%)		View
2021-02-02
1:02 pm
Unchanged		13GSpero Therapeutics Inc.
SPRO		Atlas Venture Fund IX L.P.1,376,968
5.060%		0
(Unchanged)		View
2021-02-02
1:02 pm
Purchase		13GCOGENT BIOSCIENCES INC
COGT		Atlas Venture Fund IX L.P.916,196
8.080%		916,196increase
(New Position)		View
2020-12-28
07:39 am
Purchase		13DSkillz Inc.
SKLZ		Atlas Venture Fund IX L.P.23,284,403
8.000%		23,284,403increase
(New Position)		View
2020-02-04
3:00 pm
Unchanged		13GCOGENT BIOSCIENCES INC
COGT		Atlas Venture Fund IX L.P.3,361,535
10.960%		0
(Unchanged)		View
2020-02-04
2:58 pm
Unchanged		13GSurface Oncology Inc.
SURF		Atlas Venture Fund IX L.P.4,654,453
16.690%		0
(Unchanged)		View
2020-02-04
2:56 pm
Unchanged		13GSpero Therapeutics Inc.
SPRO		Atlas Venture Fund IX L.P.1,376,968
7.200%		0
(Unchanged)		View