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ALPN Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 42.30%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $6,452,666.39

Alpine Immune Sciences Insider Trading History Chart

Alpine Immune Sciences Share Price & Price History

^$64.73

▲ +0.03 (0.05%)

As of 05/9/2024 01:07 PM ET

Days: 30 | 90 | 365

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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
9/21/2021	Robert E. Conway	Director	Buy	10,000	$9.80	$98,000.00
9/17/2021	Decheng Capital China Life Sci	Major Shareholder	Buy	1,542,553	$9.40	$14,499,998.20
9/17/2021	Mitchell H. Gold	CEO	Sell	45,262	$10.01	$453,072.62
9/17/2021	Orbimed Advisors Llc	Director	Buy	1,010,637	$9.40	$9,499,987.80
9/15/2021	Mitchell H. Gold	CEO	Sell	3,484	$10.00	$34,840.00
6/28/2021	Mitchell H. Gold	CEO	Sell	3,479	$10.00	$34,790.00	168,380
6/25/2021	Mitchell H. Gold	CEO	Sell	9,473	$10.01	$94,824.73	168,380
5/19/2021	Mitchell H. Gold	CEO	Sell	50,965	$15.03	$766,003.95	179,074
5/12/2021	Mitchell H. Gold	CEO	Sell	10,000	$11.68	$116,800.00	240,039

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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
5/8/2024	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%	0.019%
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%
1/23/2023	Allspring Global Investments Holdings LLC	4,453	$33K	0.0%	-96.6%	0.015%
11/15/2022	TCG Crossover Management LLC	254,569	$1.83M	0.5%	-56.0%	0.837%
11/15/2022	BVF Inc. IL	1,135,940	$8.18M	0.3%	-10.9%	3.737%
11/15/2022	Caas Capital Management LP	45,354	$0.33M	0.0%	N/A	0.149%
11/15/2022	Commodore Capital LP	1,325,000	$9.54M	1.5%	N/A	4.359%
11/14/2022	Lynx1 Capital Management LP	3,056,420	$22.01M	19.8%	+58.6%	10.054%
11/14/2022	RA Capital Management L.P.	4,356,632	$31.37M	0.7%	N/A	14.331%
11/10/2022	Connor Clark & Lunn Investment Management Ltd.	57,506	$0.41M	0.0%	+14.6%	0.189%
11/8/2022	Decheng Capital Management III Cayman LLC	6,708,288	$48.30M	17.5%	+42.5%	22.067%
11/7/2022	Jump Financial LLC	10,013	$72K	0.0%	N/A	0.033%
11/1/2022	Monashee Investment Management LLC	100,000	$0.72M	0.3%	N/A	0.329%
10/26/2022	Allspring Global Investments Holdings LLC	130,189	$0.94M	0.0%	-4.8%	0.428%
8/16/2022	Western Standard LLC	50,328	$0.43M	0.3%	N/A	0.166%
8/10/2022	Frazier Life Sciences Management L.P.	2,985,757	$25.41M	2.4%	-28.7%	9.845%
8/9/2022	Lazard Asset Management LLC	4,617	$39K	0.0%	N/A	0.015%
8/5/2022	Connor Clark & Lunn Investment Management Ltd.	50,189	$0.43M	0.0%	+77.2%	0.165%
7/25/2022	Allspring Global Investments Holdings LLC	136,797	$1.16M	0.0%	+711.3%	0.451%
7/18/2022	Western Wealth Management LLC	25,120	$0.21M	0.0%	N/A	0.083%
5/16/2022	Paradigm Biocapital Advisors LP	336,229	$3.02M	0.8%	N/A	1.109%

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: $64.73

$64.65

$64.75

50 Day Range

MA: $48.61

$34.91

$64.70

52 Week Range

Now: $64.73

$7.55

$64.75

Volume

236,616 shs

Average Volume

1,886,319 shs

Market Capitalization

$4.24 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.
Who are the major institutional investors of Alpine Immune Sciences?: Alpine Immune Sciences' top institutional shareholders include:
Vivo Capital LLC — 0.79%
Jennison Associates LLC — 0.29%
BNP Paribas Financial Markets — 0.12%
Raymond James Financial Services Advisors Inc. — 0.12%
Swiss National Bank — 0.10%
Capstone Investment Advisors LLC — 0.06%
Learn More about top institutional investors of Alpine Immune Sciences stock.
Which institutional investors are selling Alpine Immune Sciences stock?: In the previous quarter, ALPN stock was sold by these institutional investors:
Vivo Capital LLC
BNP Paribas Financial Markets
Mirae Asset Global Investments Co. Ltd.
Sei Investments Co.
During the last year, company insiders that have sold Alpine Immune Sciences company stock include:
James N Topper (Director)
Peter A Thompson (Director)
Mitchell Gold (CEO)
James Paul Rickey (Insider)
Learn More investors selling Alpine Immune Sciences stock.
Which institutional investors are buying Alpine Immune Sciences stock?: During the last quarter, ALPN stock was acquired by institutional investors including:
Raymond James Financial Services Advisors Inc.
Jennison Associates LLC
Oppenheimer & Co. Inc.
Banque Cantonale Vaudoise
Capstone Investment Advisors LLC
ProShare Advisors LLC
Mesirow Financial Investment Management Inc.
Mesirow Financial Investment Management Inc.