ALPN Insider Trading

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Insider Trading History
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Notice: This stock is marked as potentially delisted. It may not be actively trading.

Insider Ownership Percentage: 42.30%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $6,164,078.30

Alpine Immune Sciences Insider Trading History Chart

Alpine Immune Sciences Share Price & Price History

^$64.97

+0.30 (1.20%)

As of 09/9/2024 01:00 AM ET

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Alpine Immune Sciences Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
4/25/2024	James N Topper	Director	Sell	19	$64.57	$1,226.83	2,829,347
1/25/2024	James Paul Rickey	insider	Sell	236	$22.00	$5,192.00
12/27/2023	Mitchell H. Gold	CEO	Sell	29,573	$20.04	$592,642.92
12/27/2023	Peter A Thompson	Director	Sell	181,498	$19.96	$3,622,700.08	406,609
12/22/2023	Mitchell H. Gold	CEO	Sell	37,825	$20.43	$772,764.75
12/19/2023	Mitchell H. Gold	CEO	Sell	2,402	$20.01	$48,064.02
12/18/2023	James Paul Rickey	insider	Sell	1,800	$19.00	$34,200.00
12/14/2023	James Paul Rickey	insider	Sell	11,600	$19.00	$220,400.00
12/12/2023	Mitchell H. Gold	CEO	Sell	41,063	$17.32	$711,211.16
12/8/2023	Mitchell H. Gold	CEO	Sell	8,067	$17.08	$137,784.36	101,320
12/5/2023	James Paul Rickey	insider	Sell	418	$16.01	$6,692.18
11/30/2023	James Paul Rickey	insider	Sell	700	$16.00	$11,200.00
11/6/2023	James Paul Rickey	insider	Sell	18,003	$16.03	$288,588.09
2/11/2022	Life Sciences Viii L Frazier	Major Shareholder	Buy	112,665	$7.10	$799,921.50

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SEC Filings (Institutional Ownership Changes) for Alpine Immune Sciences (NASDAQ:ALPN)

75.17% of Alpine Immune Sciences stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Alpine Immune Sciences Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/30/2024	Lynx1 Capital Management LP	2,253,183	$89.32M	23.0%	-40.9%	3.285%
5/28/2024	Boston Partners	23,101	$0.92M	0.0%	N/A	0.034%
5/24/2024	Farallon Capital Management LLC	5,900	$0.23M	0.0%	N/A	0.009%
5/20/2024	Virtu Financial LLC	14,813	$0.59M	0.0%	N/A	0.022%
5/17/2024	Artal Group S.A.	405,784	$16.09M	0.4%	+699.4%	0.592%
5/16/2024	California State Teachers Retirement System	32,823	$1.30M	0.0%	+5.3%	0.048%
5/16/2024	Janus Henderson Group PLC	450,827	$17.84M	0.0%	-22.7%	0.657%
5/15/2024	Baker BROS. Advisors LP	81,578	$3.23M	0.0%	N/A	0.119%
5/15/2024	Darwin Global Management Ltd.	1,982,016	$78.57M	10.6%	N/A	2.889%
5/15/2024	First Light Asset Management LLC	501,243	$19.87M	1.5%	N/A	0.731%
5/15/2024	Price T Rowe Associates Inc. MD	3,080,220	$122.10M	0.0%	+82.6%	4.490%
5/15/2024	Avoro Capital Advisors LLC	5,775,000	$228.92M	2.7%	N/A	8.418%
5/15/2024	Lazard Asset Management LLC	7,518	$0.30M	0.0%	+39.0%	0.011%
5/14/2024	EntryPoint Capital LLC	1,433	$57K	0.1%	+1,239.3%	0.002%
5/14/2024	Decheng Capital LLC	8,317,924	$329.72M	44.2%	+17.4%	12.125%
5/14/2024	American International Group Inc.	18,949	$0.75M	0.0%	+17.1%	0.028%
5/13/2024	Ameritas Investment Partners Inc.	3,835	$0.15M	0.0%	+13.8%	0.006%
5/11/2024	Hillsdale Investment Management Inc.	133,960	$5.31M	0.4%	N/A	0.204%
5/10/2024	Vanguard Group Inc.	2,712,285	$107.52M	0.0%	+21.4%	4.137%
5/8/2024	Entropy Technologies LP	9,688	$0.38M	0.0%	N/A	0.015%
5/8/2024	ProShare Advisors LLC	11,502	$0.46M	0.0%	N/A	0.018%
5/8/2024	Russell Investments Group Ltd.	691	$27K	0.0%	N/A	0.001%
5/7/2024	Sei Investments Co.	20,058	$0.80M	0.0%	-13.6%	0.031%
5/7/2024	Swiss National Bank	63,500	$2.52M	0.0%	+11.0%	0.097%
5/7/2024	Oppenheimer & Co. Inc.	21,538	$0.85M	0.0%	N/A	0.033%
5/7/2024	SG Americas Securities LLC	2,686	$0.11M	0.0%	N/A	0.004%
5/2/2024	Jennison Associates LLC	191,974	$7.61M	0.0%	+36.1%	0.293%
5/1/2024	Capstone Investment Advisors LLC	38,212	$1.52M	0.0%	+51.1%	0.058%
5/1/2024	BNP Paribas Financial Markets	77,784	$3.08M	0.0%	-27.3%	0.119%
5/1/2024	Mirae Asset Global Investments Co. Ltd.	14,430	$0.57M	0.0%	-28.5%	0.022%
4/30/2024	Allspring Global Investments Holdings LLC	6,414	$0.25M	0.0%	+331.0%	0.010%
4/29/2024	China Universal Asset Management Co. Ltd.	12,630	$0.50M	0.1%	+87.9%	0.018%
4/26/2024	Mesirow Financial Investment Management Inc.	10,058	$0.40M	0.0%	N/A	0.015%
4/23/2024	Raymond James Financial Services Advisors Inc.	76,508	$3.03M	0.0%	N/A	0.117%
4/22/2024	Vivo Capital LLC	520,505	$20.79M	1.6%	-36.5%	0.794%
4/19/2024	Mesirow Financial Investment Management Inc.	10,058	$0.40M	2.0%	N/A	0.015%
4/18/2024	Allspring Global Investments Holdings LLC	6,414	$0.25M	0.0%	+331.0%	0.010%
4/10/2024	Banque Cantonale Vaudoise	20,129	$0.80M	0.0%	N/A	0.031%
3/26/2024	HighPoint Advisor Group LLC	15,190	$0.29M	0.0%	N/A	0.023%
3/5/2024	Wellington Management Group LLP	109,882	$2.09M	0.0%	+176.6%	0.189%
2/15/2024	Octagon Capital Advisors LP	1,241,300	$23.66M	3.8%	+65.5%	2.137%
2/15/2024	Frazier Life Sciences Management L.P.	3,131,008	$59.68M	3.2%	+4.9%	5.389%
2/15/2024	Great Point Partners LLC	3,703,433	$70.59M	12.1%	+20.3%	6.374%
2/14/2024	Commodore Capital LP	1,610,000	$30.69M	2.7%	+21.5%	2.771%
2/14/2024	Ghisallo Capital Management LLC	65,000	$1.24M	0.1%	N/A	0.112%
2/13/2024	Tower Research Capital LLC TRC	5,490	$0.11M	0.0%	+411.6%	0.009%
2/13/2024	Rafferty Asset Management LLC	80,162	$1.53M	0.0%	N/A	0.138%
2/12/2024	Capstone Investment Advisors LLC	25,289	$0.48M	0.0%	N/A	0.044%
2/12/2024	Monashee Investment Management LLC	74,792	$1.43M	0.3%	N/A	0.129%
2/12/2024	Decheng Capital LLC	7,083,288	$135.01M	37.7%	N/A	12.192%
2/9/2024	Franklin Resources Inc.	1,220,333	$23.26M	0.0%	N/A	2.100%
2/9/2024	Trexquant Investment LP	53,780	$1.03M	0.0%	+88.2%	0.093%
2/7/2024	Jump Financial LLC	55,720	$1.06M	0.0%	N/A	0.096%
2/7/2024	BNP Paribas Financial Markets	106,941	$2.04M	0.0%	+691.1%	0.184%
2/7/2024	Vivo Capital LLC	819,275	$15.62M	1.3%	-10.5%	1.410%
2/6/2024	Charles Schwab Investment Management Inc.	297,452	$5.67M	0.0%	+27.0%	0.512%
2/6/2024	AJOVista LLC	3,371	$64K	0.1%	N/A	0.006%
2/6/2024	Swiss National Bank	57,200	$1.09M	0.0%	+35.5%	0.098%
2/1/2024	New York State Common Retirement Fund	14,875	$0.28M	0.0%	+54.4%	0.026%
2/1/2024	Jennison Associates LLC	141,095	$2.69M	0.0%	N/A	0.243%
1/30/2024	Zurcher Kantonalbank Zurich Cantonalbank	9,538	$0.18M	0.0%	N/A	0.016%
1/25/2024	Allspring Global Investments Holdings LLC	1,488	$28K	0.0%	+745.5%	0.003%
1/24/2024	Mirae Asset Global Investments Co. Ltd.	20,177	$0.39M	0.0%	+17.6%	0.035%
1/24/2024	China Universal Asset Management Co. Ltd.	6,723	$0.13M	0.0%	+429.8%	0.012%
1/11/2024	Ziegler Capital Management LLC	22,383	$0.43M	0.0%	N/A	0.039%
12/18/2023	Vanguard Group Inc.	1,474,879	$16.89M	0.0%	+5.1%	2.539%
11/29/2023	Decheng Capital Management III Cayman LLC	6,708,288	$76.81M	19.3%	N/A	11.547%
11/21/2023	Walleye Capital LLC	186,273	$2.13M	0.0%	+13.1%	0.321%
11/14/2023	Schonfeld Strategic Advisors LLC	90,937	$1.04M	0.0%	+604.9%	0.185%
11/14/2023	Avidity Partners Management LP	657,280	$7.53M	0.3%	-37.9%	1.336%
11/14/2023	Lynx1 Capital Management LP	2,404,614	$27.53M	18.2%	-10.0%	4.887%
11/14/2023	Trexquant Investment LP	28,578	$0.33M	0.0%	-33.2%	0.058%
11/14/2023	Nan Fung Group Holdings Ltd	182,280	$2.09M	1.7%	N/A	0.370%
11/13/2023	Connor Clark & Lunn Investment Management Ltd.	45,475	$0.52M	0.0%	-2.4%	0.092%
11/13/2023	Algert Global LLC	20,010	$0.23M	0.0%	N/A	0.041%
11/13/2023	FMR LLC	464,812	$5.32M	0.0%	-31.2%	0.945%
11/8/2023	Swiss National Bank	42,200	$0.48M	0.0%	N/A	0.086%
11/7/2023	New York State Common Retirement Fund	9,634	$0.11M	0.0%	+75.8%	0.020%
11/7/2023	Barclays PLC	9,126	$0.10M	0.0%	+44.3%	0.019%
10/24/2023	Bank of New York Mellon Corp	92,723	$1.06M	0.0%	+1.3%	0.188%
10/13/2023	SG Americas Securities LLC	9,927	$0.11M	0.0%	N/A	0.020%
9/21/2023	Barclays PLC	6,325	$65K	0.0%	-47.6%	0.013%
8/21/2023	Affinity Asset Advisors LLC	118,891	$1.22M	0.4%	-52.0%	0.242%
8/15/2023	RA Capital Management L.P.	4,691,178	$48.23M	0.9%	+0.1%	9.779%
8/14/2023	Great Point Partners LLC	3,363,688	$34.58M	6.8%	-10.1%	7.012%
8/11/2023	Westwood Holdings Group Inc.	43,799	$0.45M	0.0%	N/A	0.091%
8/11/2023	Panagora Asset Management Inc.	12,394	$0.13M	0.0%	N/A	0.026%
8/11/2023	Trexquant Investment LP	42,773	$0.44M	0.0%	N/A	0.089%
8/11/2023	ExodusPoint Capital Management LP	62,839	$0.65M	0.0%	N/A	0.131%
8/4/2023	American International Group Inc.	15,279	$0.16M	0.0%	+33.8%	0.032%
5/16/2023	Great Point Partners LLC	3,740,761	$28.88M	5.7%	+2.8%	7.799%
5/16/2023	BVF Inc. IL	858,339	$6.63M	0.2%	-24.4%	1.789%
5/15/2023	Ghost Tree Capital LLC	200,000	$1.54M	0.5%	N/A	0.417%
5/10/2023	Connor Clark & Lunn Investment Management Ltd.	54,237	$0.42M	0.0%	-7.0%	0.113%
4/28/2023	SG Americas Securities LLC	11,927	$92K	0.0%	N/A	0.025%
3/23/2023	MetLife Investment Management LLC	12,028	$88K	0.0%	N/A	0.040%
2/15/2023	Avidity Partners Management LP	1,028,200	$7.56M	0.2%	+3.0%	3.382%
2/14/2023	RA Capital Management L.P.	4,397,368	$32.32M	0.7%	+0.9%	14.465%
2/14/2023	Pura Vida Investments LLC	30,924	$0.23M	0.0%	N/A	0.102%
2/10/2023	Cheyne Capital Management UK LLP	181,886	$1.34M	2.3%	N/A	0.598%

Data available starting January 2016

Alpine Immune Sciences, Inc. operates as a clinical-stage biopharmaceutical company. It focuses on the discovery and development of immunotherapies through protein engineering technologies for treating autoimmune and inflammatory diseases. The company's product pipeline includes Povetacicept, a dual B cell cytokine antagonist, which is in Phase 2 clinical trial for the treatment of multiple autoimmune and inflammatory diseases; and Acazicolcept, a dual inhibitor of the CD28 and ICOS T cell costimulatory pathways that is in preclinical trial for the treatment of systemic lupus erythematosus. It is also developing RUBY-3 that has completed Phase 1 clinical trial for the treatment of glomerulonephritis; and RUBY-4, which has completed Phase 1 clinical trial for the treatment of cytopenias. The company was incorporated in 2007 and is headquartered in Seattle, Washington.

Today's Range

Now: $64.97

$64.97

50 Day Range

MA: $64.81

$64.37

$64.97

52 Week Range

Now: $64.97

$8.33

$65.00

Volume

2 shs

Average Volume

1,917,072 shs

Market Capitalization

$4.46 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.97

Who are the company insiders with the largest holdings of Alpine Immune Sciences?: Alpine Immune Sciences' top insider shareholders include:
James N Topper (Director)
Peter A Thompson (Director)
Mitchell Gold (CEO)
James Paul Rickey (Insider)
Learn More about top insider investors at Alpine Immune Sciences.