13D/13G Filings - ALPINE IMMUNE SCIENCES INC. (ALPN)

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 have beem 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
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2021-09-21
5:03 pm
Sale
2021-09-17 13D Alpine Immune Sciences, Inc.
ALPN
Alpine ImmunoSciences L.P. 3,668,298
12.200%
-544,310decrease
(-12.92%)
Filing
History
2021-09-21
3:37 pm
Purchase
2021-09-17 13D Alpine Immune Sciences, Inc.
ALPN
Frazier Life Sciences VIII L.P. 3,177,842
10.000%
440,741increase
(+16.10%)
Filing
History
2021-02-16
4:46 pm
Purchase
2020-12-31 13G Alpine Immune Sciences, Inc.
ALPN
Avidity Partners Management LP 1,470,390
6.200%
132,977increase
(+9.94%)
Filing
History
2020-12-30
4:27 pm
Sale
2020-12-28 13D Alpine Immune Sciences, Inc.
ALPN
ORBIMED ADVISORS LLC 3,216,206
13.400%
-600,000decrease
(-15.72%)
Filing
History
2020-12-23
4:09 pm
Purchase
2020-12-18 13G Alpine Immune Sciences, Inc.
ALPN
Avidity Partners Management LP 1,337,413
5.600%
1,337,413increase
(New Position)
Filing
History
2020-12-22
5:16 pm
Sale
2020-12-22 13D Alpine Immune Sciences, Inc.
ALPN
Alpine ImmunoSciences L.P. 4,212,608
17.100%
-527,620decrease
(-11.13%)
Filing
History
2020-08-06
4:47 pm
Purchase
2020-07-28 13G Alpine Immune Sciences, Inc.
ALPN
Omega Fund IV L.P. 1,670,370
6.900%
1,670,370increase
(New Position)
Filing
History
2020-07-31
7:49 pm
Purchase
2020-07-28 13D Alpine Immune Sciences, Inc.
ALPN
Decheng Capital China Life Sciences USD Fund III L.P. 4,409,721
17.700%
563,132increase
(+14.64%)
Filing
History
2020-07-31
7:48 pm
Purchase
2020-07-28 13D Alpine Immune Sciences, Inc.
ALPN
Alpine ImmunoSciences L.P. 4,740,228
19.400%
224,832increase
(+4.98%)
Filing
History
2020-07-30
8:16 pm
Purchase
2020-07-28 13D Alpine Immune Sciences, Inc.
ALPN
Frazier Life Sciences VIII L.P. 2,737,101
11.500%
11,475increase
(+0.42%)
Filing
History
2020-07-30
6:26 pm
Unchanged
2020-07-28 13D Alpine Immune Sciences, Inc.
ALPN
ORBIMED ADVISORS LLC 3,816,206
16.000%
0
(Unchanged)
Filing
History
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