ABOS Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 7.10%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $233,123.83

Acumen Pharmaceuticals Insider Trading History Chart

Acumen Pharmaceuticals Share Price & Price History

^$1.19

▼ -0.04 (-3.25%)

As of 03/28/2025 05:00 PM ET

Days: 30 | 90 | 365

Acumen Pharmaceuticals Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
1/23/2025	Matt Zuga	CFO	Sell	28,902	$1.72	$49,711.44	231,744
1/21/2025	Daniel Joseph Oconnell	CEO	Sell	12,619	$1.59	$20,064.21	667,488
1/21/2025	Eric Siemers	Insider	Sell	3,219	$1.59	$5,118.21	170,298
1/21/2025	Matt Zuga	CFO	Sell	4,364	$1.60	$6,982.40	260,646
1/21/2025	Russell Barton	COO	Sell	2,914	$1.61	$4,691.54	136,117
1/3/2025	Daniel Joseph Oconnell	CEO	Sell	47,778	$1.84	$87,911.52	454,707
1/3/2025	Eric Siemers	Insider	Sell	10,859	$1.85	$20,089.15	106,717
1/3/2025	Matt Zuga	CFO	Sell	13,235	$1.84	$24,352.40	198,210
1/3/2025	Russell Barton	COO	Sell	7,636	$1.86	$14,202.96	89,231
1/19/2024	Daniel Joseph Oconnell	CEO	Sell	15,200	$3.47	$52,744.00	502,485
1/19/2024	Derek M Meisner	Insider	Sell	8,933	$3.48	$31,086.84	108,867
1/18/2024	Matt Zuga	CFO	Sell	4,242	$3.71	$15,737.82	211,445
1/18/2024	Russell Barton	COO	Sell	2,833	$3.73	$10,567.09	96,867
8/17/2023	Jeffrey L. Ives	Director	Sell	41,949	$6.49	$272,249.01
7/21/2023	Ra Capital Management, L.P.	Director	Buy	5,161,290	$7.75	$39,999,997.50	13,043,179

See Full Table

SEC Filings (Institutional Ownership Changes) for Acumen Pharmaceuticals (NASDAQ:ABOS)

71.01% of Acumen Pharmaceuticals 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

Acumen Pharmaceuticals Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
2/17/2025	Two Sigma Investments LP	301,268	$0.52M	0.0%	-2.7%	0.501%
2/17/2025	Two Sigma Advisers LP	499,100	$0.86M	0.0%	+6.4%	0.831%
2/17/2025	Millennium Management LLC	1,344,745	$2.31M	0.0%	-26.7%	2.238%
2/17/2025	Deutsche Bank AG	96,995	$0.17M	0.0%	+468.7%	0.161%
2/17/2025	Bank of America Corp DE	148,668	$0.26M	0.0%	+7.2%	0.247%
2/14/2025	Jane Street Group LLC	30,740	$53K	0.0%	-116.1%	0.051%
2/14/2025	Susquehanna Fundamental Investments LLC	14,731	$25K	0.0%	N/A	0.025%
2/14/2025	Rock Springs Capital Management LP	1,838,916	$3.16M	0.1%	-20.0%	3.061%
2/14/2025	Tower Research Capital LLC TRC	20,624	$35K	0.0%	+427.5%	0.034%
2/14/2025	Dimensional Fund Advisors LP	98,016	$0.17M	0.0%	+73.3%	0.163%
2/13/2025	Barclays PLC	93,082	$0.16M	0.0%	+50.1%	0.155%
2/13/2025	Renaissance Technologies LLC	257,213	$0.44M	0.0%	-16.0%	0.428%
2/13/2025	ADAR1 Capital Management LLC	94,294	$0.16M	0.0%	N/A	0.157%
2/12/2025	Franklin Resources Inc.	3,273,633	$5.63M	0.0%	-7.8%	5.449%
2/12/2025	JPMorgan Chase & Co.	937,908	$1.61M	0.0%	+1,387.2%	1.561%
2/11/2025	Clune & Associates LTD.	16,500	$28K	0.0%	N/A	0.027%
2/11/2025	Intech Investment Management LLC	18,847	$32K	0.0%	N/A	0.031%
2/6/2025	Charles Schwab Investment Management Inc.	126,747	$0.22M	0.0%	+16.6%	0.211%
1/30/2025	Rhumbline Advisers	53,076	$91K	0.0%	-40.0%	0.088%
1/17/2025	SG Americas Securities LLC	25,631	$44K	0.0%	+44.2%	0.043%
12/26/2024	JPMorgan Chase & Co.	63,066	$0.16M	0.0%	+252.8%	0.105%
11/27/2024	Franklin Resources Inc.	3,549,069	$8.34M	0.0%	+5.4%	5.907%
11/19/2024	Barclays PLC	61,997	$0.15M	0.0%	+189.1%	0.103%
11/16/2024	Geode Capital Management LLC	864,528	$2.14M	0.0%	+6.5%	1.439%
11/15/2024	Barclays PLC	61,997	$0.15M	0.0%	+189.1%	0.103%
11/15/2024	State Street Corp	516,406	$1.28M	0.0%	+18.3%	0.860%
11/13/2024	FMR LLC	2,028,117	$5.03M	0.0%	+0.3%	3.376%
11/13/2024	The Manufacturers Life Insurance Company	52,333	$0.13M	0.0%	-12.8%	0.087%
10/3/2024	SG Americas Securities LLC	17,772	$44K	0.0%	N/A	0.030%
8/16/2024	Murchinson Ltd.	56,250	$0.14M	0.0%	N/A	0.094%
8/15/2024	Millennium Management LLC	1,954,085	$4.73M	0.0%	-25.7%	3.252%
8/14/2024	Murchinson Ltd.	56,250	$0.14M	0.0%	N/A	0.094%
8/12/2024	Marathon Trading Investment Management LLC	26,298	$64K	0.0%	-56.2%	0.044%
8/9/2024	Renaissance Technologies LLC	338,100	$0.82M	0.0%	N/A	0.563%
8/9/2024	Dimensional Fund Advisors LP	56,548	$0.14M	0.0%	-8.4%	0.094%
8/8/2024	American Century Companies Inc.	45,444	$0.11M	0.0%	+31.3%	0.076%
8/1/2024	Rhumbline Advisers	52,323	$0.13M	0.0%	N/A	0.087%
7/26/2024	Bank of New York Mellon Corp	126,422	$0.31M	0.0%	N/A	0.210%
7/19/2024	Gladius Capital Management LP	10,939	$26K	0.0%	N/A	0.018%
5/17/2024	Ikarian Capital LLC	266,435	$1.08M	0.1%	-15.5%	0.443%
5/15/2024	Price T Rowe Associates Inc. MD	1,098,276	$4.45M	0.0%	N/A	1.828%
5/10/2024	Vanguard Group Inc.	1,665,058	$6.74M	0.0%	-9.5%	2.771%
5/7/2024	Susquehanna Fundamental Investments LLC	62,518	$0.25M	0.0%	N/A	0.104%
5/7/2024	SG Americas Securities LLC	12,856	$52K	0.0%	N/A	0.021%
2/23/2024	Chicago Partners Investment Group LLC	18,315	$70K	0.0%	+34.9%	0.032%
2/15/2024	Parkman Healthcare Partners LLC	603,497	$2.32M	0.3%	+20.7%	1.042%
2/9/2024	Franklin Resources Inc.	3,358,809	$12.90M	0.0%	+18.3%	5.800%
2/7/2024	Jump Financial LLC	103,000	$0.40M	0.0%	+203.8%	0.178%
12/7/2023	Hudson Bay Capital Management LP	525,000	$2.18M	0.0%	+32.9%	0.907%
12/6/2023	Citigroup Inc.	38,498	$0.16M	0.0%	+5,423.4%	0.066%
11/15/2023	RA Capital Management L.P.	14,932,063	$61.97M	1.2%	+52.8%	25.803%
11/15/2023	Rock Springs Capital Management LP	2,812,579	$11.67M	0.3%	N/A	4.860%
11/15/2023	Laurion Capital Management LP	1,895,023	$7.86M	0.0%	+57.1%	3.275%
11/14/2023	Schonfeld Strategic Advisors LLC	645,112	$2.68M	0.0%	N/A	1.115%
11/14/2023	Knollwood Investment Advisory LLC	1,628,510	$6.76M	3.2%	N/A	2.814%
11/13/2023	DekaBank Deutsche Girozentrale	40,000	$0.17M	0.0%	N/A	0.069%
11/8/2023	Pathstone Family Office LLC	478,790	$1.99M	0.0%	+2.5%	0.827%
11/7/2023	Jump Financial LLC	33,900	$0.14M	0.0%	N/A	0.059%
11/3/2023	Intrepid Financial Planning Group LLC	30,150	$0.13M	0.1%	+49.6%	0.052%
10/26/2023	Chicago Partners Investment Group LLC	13,579	$56K	0.0%	N/A	0.023%
9/21/2023	Baystate Wealth Management LLC	18,020	$87K	0.0%	N/A	0.031%
8/14/2023	Deep Track Capital LP	3,916,361	$18.84M	0.9%	-0.9%	6.768%
8/14/2023	Prelude Capital Management LLC	31,100	$0.15M	0.0%	N/A	0.076%
8/2/2023	Catalyst Financial Partners LLC	89,699	$0.43M	0.2%	N/A	0.219%
8/2/2023	Baystate Wealth Management LLC	18,020	$87K	0.0%	N/A	0.044%
7/27/2023	Pinnacle Associates Ltd.	18,020	$87K	0.0%	N/A	0.044%
5/16/2023	Great Point Partners LLC	1,051,267	$4.27M	0.8%	-5.8%	2.563%
5/15/2023	Commodore Capital LP	400,000	$1.62M	0.2%	-19.7%	0.975%
5/15/2023	Guardian Point Capital LP	130,000	$0.53M	0.4%	-56.7%	0.317%
5/3/2023	Jump Financial LLC	10,183	$41K	0.0%	-52.1%	0.025%
5/2/2023	Intrepid Financial Planning Group LLC	30,150	$0.12M	0.1%	+201.5%	0.073%
4/26/2023	Chicago Partners Investment Group LLC	12,332	$47K	0.0%	-34.0%	0.030%
2/14/2023	Moore Capital Management LP	27,578	$0.15M	0.0%	-93.5%	0.068%
2/14/2023	683 Capital Management LLC	31,246	$0.17M	0.0%	N/A	0.077%
2/14/2023	Driehaus Capital Management LLC	563,864	$3.05M	0.0%	-1.3%	1.392%
2/13/2023	Pathstone Family Office LLC	530,330	$2.86M	0.0%	+109.4%	1.309%
2/10/2023	Cheyne Capital Management UK LLP	55,829	$0.30M	0.5%	N/A	0.138%
2/9/2023	Chicago Partners Investment Group LLC	18,679	$0.11M	0.0%	+68.5%	0.046%
2/7/2023	WMS Partners LLC	98,301	$0.53M	0.1%	-45.4%	0.243%
2/2/2023	Intrepid Financial Planning Group LLC	10,000	$54K	0.0%	N/A	0.025%
2/1/2023	Bank of Montreal Can	58,400	$0.33M	0.0%	N/A	0.144%
11/15/2022	Pathstone Family Office LLC	253,270	$2.54M	0.0%	N/A	0.625%
11/15/2022	Perceptive Advisors LLC	400,000	$4.01M	0.1%	-21.3%	0.988%
11/15/2022	Endurant Capital Management LP	55,328	$0.56M	0.2%	N/A	0.137%
11/15/2022	Commodore Capital LP	1,100,000	$11.03M	1.8%	N/A	2.716%
11/14/2022	Point72 Asset Management L.P.	40,936	$0.41M	0.0%	N/A	0.101%
11/14/2022	Boothbay Fund Management LLC	62,580	$0.63M	0.0%	+391.7%	0.155%
11/14/2022	Moore Capital Management LP	422,902	$4.24M	0.1%	+18.0%	1.044%
11/3/2022	Barclays PLC	34,161	$0.34M	0.0%	+408.0%	0.084%
10/28/2022	Silverarc Capital Management LLC	420,000	$4.21M	1.4%	N/A	1.037%
8/16/2022	Woodline Partners LP	426,170	$2M	0.0%	-15.0%	1.052%
8/15/2022	Laurion Capital Management LP	1,206,548	$5.67M	0.1%	+83.7%	2.979%
8/13/2022	Virtu Financial LLC	26,204	$0.12M	0.0%	N/A	0.065%
5/17/2022	Great Point Partners LLC	928,282	$3.63M	0.9%	N/A	2.292%
5/16/2022	Deep Track Capital LP	2,599,098	$10.16M	0.7%	+34.5%	6.418%
5/13/2022	Fiduciary Group LLC	10,000	$31K	0.0%	N/A	0.025%
5/10/2022	WMS Partners LLC	181,068	$0.71M	0.1%	N/A	0.447%
5/6/2022	Los Angeles Capital Management LLC	56,592	$0.22M	0.0%	N/A	0.140%
5/5/2022	New York State Common Retirement Fund	23,981	$94K	0.0%	+337.5%	0.059%
4/21/2022	Strs Ohio	41,300	$0.16M	0.0%	+24.0%	0.102%

Data available starting January 2016

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Acumen Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops targeted therapies for the treatment of Alzheimer's disease. The company focuses on advancing a targeted immunotherapy drug candidate sabirnetug (ACU193), a recombinant humanized immunoglobulin gamma 2 that completed Phase I clinical trial to target soluble amyloid-beta oligomers. The company has a license agreement with Lonza Sales AG to manufacture and commercialize sabirnetug; and a collaboration and license agreement with Halozyme, Inc. for the development of a subcutaneous formulation of sabirnetug. Acumen Pharmaceuticals, Inc. was incorporated in 1996 and is headquartered in Charlottesville, Virginia.

Today's Range

Now: $1.19

$1.15

$1.25

50 Day Range

MA: $1.38

$1.15

$1.75

52 Week Range

Now: $1.19

$1.10

$4.06

Volume

118,755 shs

Average Volume

288,822 shs

Market Capitalization

$71.50 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.02

Who are the company insiders with the largest holdings of Acumen Pharmaceuticals?: Acumen Pharmaceuticals' top insider shareholders include:
Ra Capital Management, LP (Director)
Daniel Joseph Oconnell (CEO)
Matt Zuga (CFO)
Eric Siemers (Insider)
Russell Barton (COO)
Derek M Meisner (Insider)
Jeffrey L Ives (Director)
Learn More about top insider investors at Acumen Pharmaceuticals.
Who are the major institutional investors of Acumen Pharmaceuticals?: Acumen Pharmaceuticals' top institutional investors include:
Franklin Resources Inc. — 5.45%
Rock Springs Capital Management LP — 3.06%
Millennium Management LLC — 2.24%
JPMorgan Chase & Co. — 1.56%
Two Sigma Advisers LP — 0.83%
Two Sigma Investments LP — 0.50%
Learn More about top institutional investors of Acumen Pharmaceuticals stock.
Which major investors are selling Acumen Pharmaceuticals stock?: Within the previous quarter, ABOS stock was sold by these institutional investors:
Millennium Management LLC
Rock Springs Capital Management LP
Franklin Resources Inc.
Group One Trading LLC
Renaissance Technologies LLC
Rhumbline Advisers
Two Sigma Investments LP
Citadel Advisors LLC
During the previous year, company insiders that have sold Acumen Pharmaceuticals company stock include:
Ra Capital Management, LP (Director)
Daniel Joseph Oconnell (CEO)
Matt Zuga (CFO)
Eric Siemers (Insider)
Learn More investors selling Acumen Pharmaceuticals stock.
Which major investors are buying Acumen Pharmaceuticals stock?: During the previous quarter, ABOS stock was bought by institutional investors including:
JPMorgan Chase & Co.
Jane Street Group LLC
ADAR1 Capital Management LLC
Deutsche Bank AG
Dimensional Fund Advisors LP
Barclays PLC
Two Sigma Advisers LP
Intech Investment Management LLC