Alpine Immune Sciences Inc. (ALPN) NASDAQ
$15.63 0.13 (0.84%)
Market Cap: $908.07M
As of 12/01/23 04:00 PM EST. Market closed.

Alpine Immune Sciences Inc. (ALPN)
NASDAQ
$15.63
0.13 (0.84%)
Market Cap: $908.07M
As of 12/01/23 04:00 PM EST. Market closed.
founded in 2015 by a team responsible for the fda's approval of the world's first cancer immunotherapy and experts in the field of recombinant protein based immunotherapies, alpine immune sciences was created to capitalize on our unique understanding of immunology, modifying the complexities of the immune synapse for the benefit of patients living with cancer, autoimmune disorders, and other ... read more
founded in 2015 by a team responsible for the fda's approval of the world's first cancer immunotherapy and experts in the field of recombinant protein based immunotherapies, alpine immune sciences was created to capitalize on our unique understanding of immunology, modifying the complexities of the immune synapse for the benefit of patients living with cancer, autoimmune disorders, and other diseases. traded on nasdaq under ticker alpn. read less
Owner | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
Rickey James Paul | See Remarks | Nov 30, 2023 | Option Exercise | $3.23 | 700 | 2,261 | 700 | Dec 01, 2023, 05:00 PM |
Rickey James Paul | See Remarks | Nov 30, 2023 | Sale | $16.00 | 700 | 11,200 | 0 | Dec 01, 2023, 05:00 PM |
Decheng Capital Global Healthcare Fund (Master), LP | 10% Owner | Nov 09, 2023 | Buy | $12.50 | 375,000 | 4,687,500 | 1,735,544 | Nov 14, 2023, 05:36 PM |
Cui Xiangmin | Director | Nov 09, 2023 | Buy | $12.50 | 375,000 | 4,687,500 | 1,735,544 | Nov 14, 2023, 05:33 PM |
Rickey James Paul | See Remarks | Nov 06, 2023 | Option Exercise | $3.23 | 10,989 | 35,494 | 18,003 | Nov 08, 2023, 05:20 PM |
Rickey James Paul | See Remarks | Nov 06, 2023 | Sale | $16.03 | 18,003 | 288,554 | 0 | Nov 08, 2023, 05:20 PM |
Cui Xiangmin | Director | Sep 23, 2022 | Option Exercise | $7.35 | 2,000,000 | 14,700,000 | 5,347,744 | Sep 27, 2022, 04:51 PM |
Decheng Capital China Life Sciences USD Fund III, L.P. | 10% Owner | Sep 23, 2022 | Option Exercise | $7.35 | 639,456 | 4,700,002 | 5,347,744 | Sep 27, 2022, 04:46 PM |
Decheng Capital China Life Sciences USD Fund III, L.P. | 10% Owner | Sep 23, 2022 | Option Exercise | $7.35 | 1,360,544 | 9,999,998 | 1,360,544 | Sep 27, 2022, 04:46 PM |
Venkatesan Jay | Director | Jul 15, 2022 | Option Exercise | $0.45 | 20,063 | 9,028 | 238,126 | Jul 19, 2022, 04:38 PM |
Frazier Life Sciences VIII, L.P. | 10% Owner | Feb 11, 2022 | Buy | $7.10 | 112,665 | 799,989 | 1,484,115 | Feb 15, 2022, 05:00 PM |
Peetz Christopher | Director | Sep 23, 2021 | Buy | $10.17 | 1,900 | 19,323 | 1,900 | Sep 27, 2021, 07:03 AM |
CONWAY ROBERT E | Director | Sep 23, 2021 | Buy | $10.08 | 15,000 | 151,153 | 50,000 | Sep 27, 2021, 07:02 AM |
CONWAY ROBERT E | Director | Sep 23, 2021 | Sale | $10.08 | 15,000 | 151,153 | 50,000 | Sep 24, 2021, 06:39 PM |
Peetz Christopher | Director | Sep 23, 2021 | Sale | $10.17 | 1,900 | 19,323 | 1,900 | Sep 24, 2021, 05:32 PM |
CONWAY ROBERT E | Director | Sep 21, 2021 | Buy | $9.80 | 10,000 | 97,966 | 35,000 | Sep 23, 2021, 08:31 PM |
ORBIMED ADVISORS LLC | Director | Sep 17, 2021 | Buy | $9.40 | 1,010,637 | 9,499,987 | 3,656,061 | Sep 21, 2021, 06:42 PM |
Decheng Capital China Life Sciences USD Fund III, L.P. | 10% Owner | Sep 17, 2021 | Buy | $9.40 | 1,542,553 | 14,499,998 | 4,708,288 | Sep 21, 2021, 06:39 PM |
Thompson Peter A. | Director | Sep 17, 2021 | Buy | $9.40 | 1,010,637 | 9,499,987 | 3,656,061 | Sep 21, 2021, 06:38 PM |
Alpine ImmunoSciences, L.P. | 10% Owner | Sep 17, 2021 | Sale | $9.40 | 400,000 | 3,760,000 | 2,600,980 | Sep 21, 2021, 05:18 PM |
GOLD MITCHELL | Executive Chairman and CEO | Sep 17, 2021 | Sale | $9.40 | 400,000 | 3,760,000 | 2,600,980 | Sep 21, 2021, 05:16 PM |
GOLD MITCHELL | Executive Chairman and CEO | Sep 17, 2021 | Sale | $10.01 | 45,262 | 452,964 | 109,387 | Sep 21, 2021, 05:16 PM |
Venkatesan Jay | Director | Sep 17, 2021 | Sale | $9.40 | 400,000 | 3,760,000 | 2,600,980 | Sep 21, 2021, 05:14 PM |
Cui Xiangmin | Director | Sep 17, 2021 | Buy | $9.40 | 1,542,553 | 14,499,998 | 4,708,288 | Sep 21, 2021, 05:12 PM |
GOLD MITCHELL | Executive Chairman and CEO | Sep 16, 2021 | Sale | $10.00 | 6,768 | 67,696 | 154,649 | Sep 17, 2021, 06:06 PM |
GOLD MITCHELL | Executive Chairman and CEO | Sep 15, 2021 | Sale | $10.00 | 3,484 | 34,840 | 161,417 | Sep 17, 2021, 06:06 PM |
GOLD MITCHELL | Executive Chairman and CEO | Jun 25, 2021 | Sale | $10.01 | 9,473 | 94,865 | 168,380 | Jun 29, 2021, 05:13 PM |
GOLD MITCHELL | Executive Chairman and CEO | Jun 28, 2021 | Sale | $10.00 | 3,479 | 34,792 | 164,901 | Jun 29, 2021, 05:13 PM |
GOLD MITCHELL | Executive Chairman and CEO | May 20, 2021 | Sale | $15.00 | 1,221 | 18,316 | 177,853 | May 21, 2021, 05:16 PM |
GOLD MITCHELL | Executive Chairman and CEO | May 19, 2021 | Sale | $15.03 | 50,965 | 765,917 | 179,074 | May 21, 2021, 05:16 PM |
Venkatesan Jay | Director | Mar 31, 2021 | Option Exercise | $3.62 | 7,650 | 27,718 | 218,063 | Apr 23, 2021, 06:14 PM |
Venkatesan Jay | Director | Mar 30, 2021 | Option Exercise | $4.09 | 7,650 | 31,289 | 210,413 | Apr 23, 2021, 06:14 PM |
GOLD MITCHELL | Executive Chairman and CEO | Apr 14, 2021 | Sale | $10.52 | 10,000 | 105,200 | 250,039 | Apr 15, 2021, 06:09 PM |
GOLD MITCHELL | Executive Chairman and CEO | Apr 13, 2021 | Sale | $10.07 | 10,000 | 100,714 | 260,039 | Apr 15, 2021, 06:09 PM |
GOLD MITCHELL | Executive Chairman and CEO | Mar 05, 2021 | Sale | $12.99 | 10,000 | 129,875 | 270,039 | Mar 08, 2021, 05:01 PM |
GOLD MITCHELL | Executive Chairman and CEO | Mar 04, 2021 | Sale | $13.01 | 10,000 | 130,108 | 280,039 | Mar 08, 2021, 05:01 PM |
GOLD MITCHELL | Executive Chairman and CEO | Feb 02, 2021 | Sale | $11.74 | 10,000 | 117,381 | 290,039 | Feb 03, 2021, 05:01 PM |
GOLD MITCHELL | Executive Chairman and CEO | Feb 01, 2021 | Sale | $12.87 | 10,000 | 128,665 | 307,060 | Feb 03, 2021, 05:01 PM |
PENG STANFORD L | See Remarks | Dec 31, 2020 | Option Exercise | $12.60 | 3,923 | 49,430 | 24,371 | Jan 04, 2021, 08:41 PM |
GOLD MITCHELL | Executive Chairman and CEO | Dec 31, 2020 | Option Exercise | $12.60 | 11,123 | 140,150 | 310,039 | Jan 04, 2021, 08:37 PM |
Rickey James Paul | Senior VP and CFO | Dec 31, 2020 | Option Exercise | $12.60 | 2,258 | 28,451 | 24,027 | Jan 04, 2021, 08:31 PM |
ORBIMED ADVISORS LLC | Director | Dec 28, 2020 | Sale | $14.25 | 600,000 | 8,550,000 | 3,070,955 | Dec 30, 2020, 04:44 PM |
Thompson Peter A. | Director | Dec 28, 2020 | Sale | $14.25 | 600,000 | 8,550,000 | 3,070,955 | Dec 30, 2020, 04:38 PM |
CONWAY ROBERT E | Director | Nov 19, 2020 | Buy | $8.03 | 10,000 | 80,300 | 25,000 | Nov 23, 2020, 05:00 PM |
Rickey James Paul | Senior VP and CFO | Jun 30, 2020 | Option Exercise | $9.71 | 2,258 | 21,925 | 26,285 | Jul 01, 2020, 07:38 PM |
GOLD MITCHELL | Executive Chairman and CEO | Jun 30, 2020 | Option Exercise | $9.71 | 8,227 | 79,884 | 60,634 | Jul 01, 2020, 07:24 PM |
PENG STANFORD L | See Remarks | Jun 30, 2020 | Option Exercise | $9.71 | 3,923 | 38,092 | 28,294 | Jul 01, 2020, 07:24 PM |
Rickey James Paul | Senior VP and CFO | May 30, 2019 | Buy | $4.95 | 10,000 | 49,500 | 10,000 | Jun 03, 2019, 08:00 AM |
TIGER MANAGEMENT L.L.C. | 10% Owner | Feb 08, 2019 | Sale | $5.85 | 25,000 | 146,245 | 137,728 | Feb 12, 2019, 01:52 PM |
Cui Xiangmin | Director | Jan 18, 2019 | Option Exercise | $5.37 | 3,165,735 | 16,999,997 | 3,165,735 | Jan 23, 2019, 08:48 PM |
Thompson Peter A. | Director | Jan 18, 2019 | Buy | $5.37 | 372,439 | 1,999,997 | 3,670,955 | Jan 23, 2019, 06:01 PM |
ORBIMED ADVISORS LLC | Director | Jan 18, 2019 | Buy | $5.37 | 372,439 | 1,999,997 | 3,670,955 | Jan 23, 2019, 05:58 PM |
Alpine ImmunoSciences, L.P. | 10% Owner | Jan 18, 2019 | Buy | $5.37 | 190,875 | 1,024,999 | 3,994,781 | Jan 22, 2019, 08:46 PM |
GOLD MITCHELL | Executive Chairman and CEO | Jan 18, 2019 | Buy | $5.37 | 190,875 | 1,024,999 | 3,994,781 | Jan 22, 2019, 08:44 PM |
Venkatesan Jay | Director | Jan 18, 2019 | Buy | $5.37 | 190,875 | 1,024,999 | 3,994,781 | Jan 22, 2019, 08:44 PM |
Frazier Life Sciences VIII, L.P. | 10% Owner | Jan 18, 2019 | Buy | $5.37 | 372,439 | 1,999,997 | 2,571,450 | Jan 22, 2019, 05:14 PM |
Topper James N | Director | Jan 18, 2019 | Buy | $5.37 | 372,439 | 1,999,997 | 2,571,450 | Jan 22, 2019, 05:09 PM |
BVF PARTNERS L P/IL | 10% Owner | Jun 20, 2017 | Buy | $2.25 | 17,806 | 40,064 | 1,109,258 | Jun 22, 2017, 05:08 PM |
BVF PARTNERS L P/IL | 10% Owner | Jun 07, 2017 | Buy | $2.28 | 36,900 | 84,180 | 1,099,526 | Jun 07, 2017, 06:21 PM |
BVF PARTNERS L P/IL | 10% Owner | Jun 05, 2017 | Buy | $2.29 | 35,750 | 81,889 | 1,079,345 | Jun 07, 2017, 06:21 PM |
BVF PARTNERS L P/IL | 10% Owner | May 31, 2017 | Buy | $2.25 | 28,100 | 63,141 | 1,060,139 | Jun 01, 2017, 05:11 PM |
BVF PARTNERS L P/IL | 10% Owner | May 30, 2017 | Buy | $2.30 | 18,900 | 43,389 | 1,044,789 | Jun 01, 2017, 05:11 PM |
BVF PARTNERS L P/IL | 10% Owner | May 19, 2017 | Buy | $2.30 | 11,600 | 26,680 | 1,034,597 | May 19, 2017, 06:21 PM |
BVF PARTNERS L P/IL | 10% Owner | May 18, 2017 | Buy | $2.30 | 29,886 | 68,732 | 1,028,344 | May 19, 2017, 06:21 PM |
BVF PARTNERS L P/IL | 10% Owner | May 17, 2017 | Buy | $2.30 | 37,372 | 85,907 | 1,011,908 | May 19, 2017, 06:21 PM |
BVF PARTNERS L P/IL | 10% Owner | May 10, 2017 | Buy | $2.35 | 62,000 | 145,433 | 983,149 | May 11, 2017, 06:52 PM |
BVF PARTNERS L P/IL | 10% Owner | May 09, 2017 | Buy | $2.29 | 40,000 | 91,516 | 949,458 | May 11, 2017, 06:52 PM |
BVF PARTNERS L P/IL | 10% Owner | May 11, 2017 | Buy | $2.34 | 7,034 | 16,480 | 986,943 | May 11, 2017, 06:52 PM |
CONWAY ROBERT E | Director | May 08, 2017 | Buy | $2.28 | 15,000 | 34,200 | 60,000 | May 11, 2017, 12:17 PM |
CONWAY ROBERT E | Director | May 09, 2017 | Buy | $2.34 | 5,000 | 11,700 | 45,000 | May 10, 2017, 02:00 PM |
TROHA JANICE | Exec Vice President / COO | May 05, 2017 | Buy | $2.34 | 10,000 | 23,400 | 10,000 | May 09, 2017, 02:01 PM |
CONWAY ROBERT E | Director | May 05, 2017 | Buy | $2.30 | 20,000 | 46,000 | 40,000 | May 09, 2017, 02:01 PM |
CONWAY ROBERT E | Director | May 04, 2017 | Buy | $2.26 | 10,000 | 22,600 | 20,000 | May 08, 2017, 02:00 PM |
Rodman David Malcom | Exec Vice President and CMO | Jan 04, 2017 | Sale | $2.27 | 6,687 | 15,179 | 11,368 | Jan 05, 2017, 11:00 AM |
Carruthers R Michael | Exec Vice President / CFO | Dec 02, 2016 | Buy | $2.09 | 24,000 | 50,256 | 24,000 | Dec 05, 2016, 04:26 PM |
Rodman David Malcom | Exec Vice President and CMO | Oct 04, 2016 | Sale | $7.96 | 5,820 | 46,327 | 12,236 | Oct 05, 2016, 04:16 PM |
Rodman David Malcom | Exec Vice President and CMO | Jul 05, 2016 | Sale | $4.66 | 5,950 | 27,727 | 12,105 | Jul 06, 2016, 04:15 PM |
Congleton Jon | President and CEO | Jun 16, 2016 | Buy | $3.87 | 5,000 | 19,345 | 20,000 | Jun 17, 2016, 10:51 AM |
Congleton Jon | President and CEO | Mar 24, 2016 | Buy | $4.22 | 5,000 | 21,084 | 15,000 | Mar 25, 2016, 11:21 AM |
Congleton Jon | President and CEO | Mar 22, 2016 | Buy | $4.38 | 5,000 | 21,907 | 10,000 | Mar 23, 2016, 04:31 PM |
Congleton Jon | President and CEO | Dec 11, 2015 | Buy | $8.10 | 5,000 | 40,500 | 5,000 | Dec 14, 2015, 12:50 PM |
CONWAY ROBERT E | Director | Dec 09, 2015 | Buy | $8.10 | 10,000 | 81,000 | 10,000 | Dec 11, 2015, 09:01 AM |
Flynn James E | 10% Owner | Jun 23, 2015 | Buy | $14.00 | 77,539 | 1,085,546 | 832,216 | Jun 25, 2015, 03:14 PM |
Flynn James E | 10% Owner | Jun 23, 2015 | Buy | $14.00 | 67,666 | 947,324 | 726,242 | Jun 25, 2015, 03:14 PM |
Flynn James E | 10% Owner | Jun 23, 2015 | Buy | $14.00 | 104,795 | 1,467,130 | 1,124,740 | Jun 25, 2015, 03:14 PM |
Rock Springs Capital Management LP | 10% Owner | Jun 22, 2015 | Buy | $14.00 | 200,000 | 2,800,000 | 564,358 | Jun 24, 2015, 04:09 PM |
Hawkes Bay Master Investors (Cayman) L.P. | 10% Owner | Jun 22, 2015 | Buy | $14.75 | 5,500 | 81,113 | 37,600 | Jun 23, 2015, 02:11 PM |
Hawkes Bay Master Investors (Cayman) L.P. | 10% Owner | Jun 19, 2015 | Buy | $14.67 | 11,700 | 171,591 | 32,100 | Jun 23, 2015, 02:11 PM |
Jennison Global Healthcare Master Fund, Ltd. | 10% Owner | Jun 22, 2015 | Option Exercise | $14.00 | 303,631 | 4,250,834 | 329,780 | Jun 22, 2015, 06:26 PM |
Jennison Global Healthcare Master Fund, Ltd. | 10% Owner | Jun 17, 2015 | Buy | $14.00 | 26,149 | 366,086 | 26,149 | Jun 19, 2015, 04:55 PM |
Hawkes Bay Master Investors (Cayman) L.P. | 10% Owner | Jun 18, 2015 | Buy | $14.75 | 6,200 | 91,450 | 20,400 | Jun 19, 2015, 01:13 PM |
Hawkes Bay Master Investors (Cayman) L.P. | 10% Owner | Jun 17, 2015 | Buy | $14.35 | 14,200 | 203,825 | 14,200 | Jun 19, 2015, 01:13 PM |
Fund | # Shares Owned | % of Portfolio | % Change | Investing Style |
---|---|---|---|---|
RA CAPITAL MANAGEMENT, L.P. | 4,691,178 | 1.07% | No change | Other |
ORBIMED ADVISORS LLC | 4,226,843 | 1.08% | 3.56% | Other |
BLACKROCK INC. | 2,351,917 | 0.00077% | 3.08% | Other |
VIVO CAPITAL, LLC | 914,913 | 1.15% | No change | Other |
GEODE CAPITAL MANAGEMENT, LLC | 628,925 | 0.00086% | 1.77% | Other |
RENAISSANCE TECHNOLOGIES LLC | 288,194 | 0.00563% | -9.74% | Other |
D. E. SHAW & CO., INC. | 48,631 | 0.00058% | New | Other |
DRIEHAUS CAPITAL MANAGEMENT LLC | 18,636 | 0.00277% | New | Growth |
Period of Report: 06/30/2023
10-K/10-Q Filings: View