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as of 03-03-2026 3:37pm EST

$3.32
+$0.02
+0.61%
Stocks Health Care Biotechnology: Pharmaceutical Preparations Nasdaq

Acumen Pharmaceuticals Inc is a clinical-stage biopharmaceutical company developing a novel disease-modifying approach to target what it believes to be a key underlying cause of Alzheimer's disease. The company's drug candidate, ACU193, is a subclass monoclonal antibody that selectively targets amyloid-beta oligomers.

Founded: 1996 Country:
United States
United States
Employees: N/A City: NEWTON
Market Cap: 155.7M IPO Year: 2021
Target Price: $7.50 AVG Volume (30 days): 344.5K
Analyst Decision: Strong Buy Number of Analysts: 4
Dividend Yield:
N/A
Dividend Payout Frequency: N/A
EPS: -1.59 EPS Growth: -58.33
52 Week Low/High: $0.86 - $3.30 Next Earning Date: N/A
Revenue: N/A Revenue Growth: N/A
Revenue Growth (this year): N/A Revenue Growth (next year): N/A
P/E Ratio: -2.04 Index: N/A
Free Cash Flow: -86231000.0 FCF Growth: N/A

AI-Powered ABOS Daily Prediction

Machine learning model trained on 25+ technical indicators

Updated a day ago

AI Recommendation

hold
Model Accuracy: 67.52%
67.52%
Confidence

Disclaimer: This prediction is generated by an AI model and should not be considered as financial advice. Always conduct your own research and consult with financial professionals before making investment decisions.

Stock Insider Trading Activity of Acumen Pharmaceuticals Inc. (ABOS)

Meisner Derek M

Chief Legal Officer & Corp Sec

Sell
ABOS Jan 28, 2026

Avg Cost/Share

$3.00

Shares

2,671

Total Value

$8,017.27

Owned After

173,999

SEC Form 4

Meisner Derek M

Chief Legal Officer & Corp Sec

Sell
ABOS Jan 26, 2026

Avg Cost/Share

$3.00

Shares

15,085

Total Value

$45,262.54

Owned After

173,999

SEC Form 4

Meisner Derek M

Chief Legal Officer & Corp Sec

Sell
ABOS Jan 23, 2026

Avg Cost/Share

$1.90

Shares

5,633

Total Value

$10,717.91

Owned After

173,999

SEC Form 4

Meisner Derek M

Chief Legal Officer & Corp Sec

Sell
ABOS Jan 22, 2026

Avg Cost/Share

$1.84

Shares

1,054

Total Value

$1,939.36

Owned After

173,999

SEC Form 4

Barton Russell

Chief Operating Officer

Sell
ABOS Jan 22, 2026

Avg Cost/Share

$1.84

Shares

462

Total Value

$850.08

Owned After

205,092

SEC Form 4

Zuga Matt

CFO & Chief Business Officer

Sell
ABOS Jan 22, 2026

Avg Cost/Share

$1.86

Shares

1,687

Total Value

$3,137.82

Owned After

304,924

SEC Form 4

OConnell Daniel Joseph

Chief Executive Officer

Sell
ABOS Jan 22, 2026

Avg Cost/Share

$1.88

Shares

2,689

Total Value

$5,065.54

Owned After

881,275

SEC Form 4

Siemers Eric

Chief Medical Officer

Sell
ABOS Jan 22, 2026

Avg Cost/Share

$1.82

Shares

895

Total Value

$1,628.90

Owned After

255,371

SEC Form 4

Meisner Derek M

Chief Legal Officer & Corp Sec

Sell
ABOS Jan 21, 2026

Avg Cost/Share

$1.81

Shares

2,247

Total Value

$4,063.25

Owned After

173,999

SEC Form 4

Barton Russell

Chief Operating Officer

Sell
ABOS Jan 21, 2026

Avg Cost/Share

$1.81

Shares

2,315

Total Value

$4,180.89

Owned After

205,092

SEC Form 4

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q3

Q3 2025 Earnings

8-K SELL

Nov 12, 2025 · 100% conf.

AI Prediction SELL

1D

-0.49%

$1.94

5D

-9.49%

$1.76

20D

-6.38%

$1.83

Price: $1.95 Prob +5D: 0% AUC: 1.000
0001576885-25-000102

abos-202511120001576885FALSE1210-1220 Washington StreetSuite 210NewtonMassachusetts00015768852025-11-122025-11-12

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549


FORM 8-K


CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2025


Acumen Pharmaceuticals, Inc. (Exact name of Registrant as Specified in Its Charter)


Delaware001-4055136-4108129 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

1210-1220 Washington Street, Suite 210 Newton, Massachusetts 02465 (Address of Principal Executive Offices)(Zip Code)

(617) 344-4190 (Registrant’s Telephone Number, Including Area Code) Not Applicable (Former Name or Former Address, if Changed Since Last Report)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s) Name of each exchange on which registered

Common Stock, $0.0001 par valueABOSThe Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company  x If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  o

Item 2.02    Results of Operations and Financial Condition. On November 12, 2025, Acumen Pharmaceuticals, Inc. (the “Company”) reported financial results and business highlights for the quarter ended September 30, 2025. A copy of this press release (the “Earnings Press Release”) is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this “Report”) and is incorporated by reference. The information in this Item 2.02 of this Report (including Exhibit 99.1) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 7.01     Regulation FD Disclosure. On November 12, 2025, the Company posted an updated corporate presentation to its website at https://investors.acumenpharm.com/news-events/presentations, which the Company may use from time to time in communications or conferences. The corporate presentation was updated to reflect the Company’s cash, cash equivalents and marketable securities balance as of September 30, 2025. A copy of the corporate presentation is attached as Exhibit 99.2 to this Report.

The information in this Item 7.01 of this Report (including Exhibit 99.2), is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing. The Company’s submission of this Report shall not be deemed an admission as to the materiality of any information required to be disclosed solely to satisfy the requirements of Regulation FD.

Item 9.01    Financial Statements and Exhibits. (d).Exhibits

Exhibit No.Description 99.1Earnings Press Release, dated November 12, 2025

99.2Corporate Presentation, dated November 12, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Company has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Acumen Pharmaceuticals, Inc.

Dated: November 12, 2025 By:/s/ Matthew Zuga Matthew Zuga Chief Financial Officer and Chief Business Officer

2025
Q2

Q2 2025 Earnings

8-K

Aug 12, 2025

0001576885-25-000091

abos-202508120001576885FALSE1210-1220 Washington StreetSuite 210NewtonMassachusetts00015768852025-08-122025-08-12

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549


FORM 8-K


CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2025


Acumen Pharmaceuticals, Inc. (Exact name of Registrant as Specified in Its Charter)


Delaware001-4055136-4108129 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

1210-1220 Washington Street, Suite 210 Newton, Massachusetts 02465 (Address of Principal Executive Offices)(Zip Code)

(617) 344-4190 (Registrant’s Telephone Number, Including Area Code) Not Applicable (Former Name or Former Address, if Changed Since Last Report)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s) Name of each exchange on which registered

Common Stock, $0.0001 par valueABOSThe Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company  x If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  o

Item 2.02    Results of Operations and Financial Condition. On August 12, 2025, Acumen Pharmaceuticals, Inc. (the “Company”) reported financial results and business highlights for the quarter ended June 30, 2025. A copy of this press release (the “Earnings Press Release”) is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this “Report”) and is incorporated by reference. The information in this Item 2.02 of this Report (including Exhibit 99.1) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 7.01     Regulation FD Disclosure. On August 12, 2025, the Company posted an updated corporate presentation to its website at https://investors.acumenpharm.com/news-events/presentations, which the Company may use from time to time in communications or conferences. The corporate presentation was updated to reflect the Company’s cash, cash equivalents and marketable securities balance as of June 30, 2025. A copy of the corporate presentation is attached as Exhibit 99.2 to this Report.

The information in this Item 7.01 of this Report (including Exhibit 99.2), is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing. The Company’s submission of this Report shall not be deemed an admission as to the materiality of any information required to be disclosed solely to satisfy the requirements of Regulation FD.

Item 9.01    Financial Statements and Exhibits. (d).Exhibits

Exhibit No.Description 99.1Earnings Press Release, dated August 12, 2025

99.2Corporate Presentation, dated August 12, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Company has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Acumen Pharmaceuticals, Inc.

Dated: August 12, 2025 By:/s/ Matthew Zuga Matthew Zuga Chief Financial Officer and Chief Business Officer

2025
Q1

Q1 2025 Earnings

8-K

May 13, 2025

0001576885-25-000062

abos-202505130001576885FALSE00015768852025-05-132025-05-13

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549


FORM 8-K


CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2025


Acumen Pharmaceuticals, Inc. (Exact name of Registrant as Specified in Its Charter)


Delaware001-4055136-4108129 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

1210-1220 Washington Street, Suite 210 Newton, Massachusetts 02465 (Address of Principal Executive Offices)(Zip Code)

(617) 344-4190 (Registrant’s Telephone Number, Including Area Code) Not Applicable (Former Name or Former Address, if Changed Since Last Report)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s) Name of each exchange on which registered

Common Stock, $0.0001 par valueABOSThe Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company  x If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  o

Item 2.02    Results of Operations and Financial Condition. On May 13, 2025, Acumen Pharmaceuticals, Inc. (the “Company”) reported financial results and business highlights for the quarter ended March 31, 2025. A copy of this press release (the “Earnings Press Release”) is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this “Report”) and is incorporated by reference. The information in this Item 2.02 of this Report (including Exhibit 99.1) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 7.01     Regulation FD Disclosure. On May 13, 2025, the Company posted an updated corporate presentation to its website at https://investors.acumenpharm.com/news-events/presentations, which the Company may use from time to time in communications or conferences. The corporate presentation was updated to reflect updates to the Company’s leadership team and that, as of March 31, 2025, the Company’s cash, cash equivalents and marketable securities balance was approximately $198 million, based upon which the Company projects that its cash, cash equivalents and marketable securities will be sufficient to support the Company’s operations into early 2027. A copy of the corporate presentation is attached as Exhibit 99.2 to this Report.

The information in this Item 7.01 of this Report (including Exhibit 99.2), is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing. The Company’s submission of this Report shall not be deemed an admission as to the materiality of any information required to be disclosed solely to satisfy the requirements of Regulation FD.

Item 9.01    Financial Statements and Exhibits. (d).Exhibits

Exhibit No.Description 99.1Earnings Press Release, dated May 13, 2025

99.2Corporate Presentation, dated May 13, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Company has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Acumen Pharmaceuticals, Inc.

Dated: May 13, 2025By:

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