Stocks · Health care · Biological Products, (No Diagnostic Substances)

Acumen Pharmaceuticals, Inc.

ABOS Clue Score27
United States Fiscal year ends December CIK 0001576885
2.14
+1.90%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
2.14 on 9 Oct 2026
3 2 2 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $2.12 14 Oct 2025 $2.33 15 Oct 2025 $2.28 16 Oct 2025 $2.13 17 Oct 2025 $2.03 20 Oct 2025 $2.12 21 Oct 2025 $1.98 22 Oct 2025 $1.85 23 Oct 2025 $2.11 24 Oct 2025 $2.21 27 Oct 2025 $2.20 28 Oct 2025 $2.29 29 Oct 2025 $2.26 30 Oct 2025 $2.22 31 Oct 2025 $2.21 3 Nov 2025 $2.18 4 Nov 2025 $1.94 5 Nov 2025 $2.03 6 Nov 2025 $1.90 7 Nov 2025 $1.88 10 Nov 2025 $1.89 11 Nov 2025 $1.97 12 Nov 2025 $1.95 13 Nov 2025 $1.81 14 Nov 2025 $1.73 17 Nov 2025 $1.58 18 Nov 2025 $1.66 19 Nov 2025 $1.55 20 Nov 2025 $1.56 21 Nov 2025 $1.57 24 Nov 2025 $1.70 25 Nov 2025 $1.94 26 Nov 2025 $1.95 28 Nov 2025 $1.88 1 Dec 2025 $1.90 2 Dec 2025 $1.75 3 Dec 2025 $1.93 4 Dec 2025 $1.98 5 Dec 2025 $1.86 8 Dec 2025 $1.94 9 Dec 2025 $1.95 10 Dec 2025 $1.90 11 Dec 2025 $1.96 12 Dec 2025 $2.14 15 Dec 2025 $2.06 16 Dec 2025 $2.10 17 Dec 2025 $2.05 18 Dec 2025 $2.12 19 Dec 2025 $2.15 22 Dec 2025 $2.28 23 Dec 2025 $2.17 24 Dec 2025 $2.16 26 Dec 2025 $2.11 29 Dec 2025 $2.00 30 Dec 2025 $2.00 31 Dec 2025 $2.11 2 Jan 2026 $2.02 5 Jan 2026 $1.98 6 Jan 2026 $1.96 7 Jan 2026 $1.99 8 Jan 2026 $1.86 9 Jan 2026 $1.81 12 Jan 2026 $1.72 13 Jan 2026 $1.73 14 Jan 2026 $1.79 15 Jan 2026 $1.86 16 Jan 2026 $1.89 20 Jan 2026 $1.86 21 Jan 2026 $1.81 22 Jan 2026 $1.99 23 Jan 2026 $1.98 26 Jan 2026 $2.08 27 Jan 2026 $2.72 28 Jan 2026 $2.81 29 Jan 2026 $2.79 30 Jan 2026 $2.60 2 Feb 2026 $2.59 3 Feb 2026 $2.57 4 Feb 2026 $2.45 5 Feb 2026 $2.25 6 Feb 2026 $2.40 9 Feb 2026 $2.48 10 Feb 2026 $2.47 11 Feb 2026 $2.56 12 Feb 2026 $2.39 13 Feb 2026 $2.51 17 Feb 2026 $2.45 18 Feb 2026 $2.61 19 Feb 2026 $2.72 20 Feb 2026 $2.57 23 Feb 2026 $2.58 24 Feb 2026 $2.76 25 Feb 2026 $2.78 26 Feb 2026 $2.83 27 Feb 2026 $3.14 2 Mar 2026 $3.30 3 Mar 2026 $3.31 4 Mar 2026 $3.31 5 Mar 2026 $3.34 6 Mar 2026 $3.31 9 Mar 2026 $3.14 10 Mar 2026 $3.36 11 Mar 2026 $3.37 12 Mar 2026 $3.30 13 Mar 2026 $3.27 16 Mar 2026 $3.34 17 Mar 2026 $3.09 18 Mar 2026 $2.92 19 Mar 2026 $2.92 20 Mar 2026 $2.67 23 Mar 2026 $2.71 24 Mar 2026 $2.59 25 Mar 2026 $2.63 26 Mar 2026 $2.55 27 Mar 2026 $2.26 30 Mar 2026 $2.19 31 Mar 2026 $2.36 1 Apr 2026 $2.55 2 Apr 2026 $2.70 6 Apr 2026 $2.76 7 Apr 2026 $2.63 8 Apr 2026 $2.58 9 Apr 2026 $2.51 10 Apr 2026 $2.47 13 Apr 2026 $2.51 14 Apr 2026 $2.68 15 Apr 2026 $2.72 16 Apr 2026 $2.69 17 Apr 2026 $2.82 20 Apr 2026 $2.84 21 Apr 2026 $2.73 22 Apr 2026 $2.81 23 Apr 2026 $2.67 24 Apr 2026 $2.57 27 Apr 2026 $2.52 28 Apr 2026 $2.46 29 Apr 2026 $2.34 30 Apr 2026 $2.39 1 May 2026 $2.38 4 May 2026 $2.48 5 May 2026 $2.52 6 May 2026 $2.57 7 May 2026 $2.47 8 May 2026 $2.56 11 May 2026 $2.57 12 May 2026 $2.48 13 May 2026 $2.49 14 May 2026 $2.39 15 May 2026 $2.28 18 May 2026 $2.18 19 May 2026 $2.17 20 May 2026 $2.35 21 May 2026 $2.49 22 May 2026 $2.51 26 May 2026 $2.42 27 May 2026 $2.54 28 May 2026 $2.54 29 May 2026 $2.60 1 Jun 2026 $2.51 2 Jun 2026 $2.37 3 Jun 2026 $2.29 4 Jun 2026 $2.29 5 Jun 2026 $2.15 8 Jun 2026 $2.17 9 Jun 2026 $2.19 10 Jun 2026 $2.24 11 Jun 2026 $2.37 12 Jun 2026 $2.37 15 Jun 2026 $2.34 16 Jun 2026 $2.29 17 Jun 2026 $2.25 18 Jun 2026 $2.26 22 Jun 2026 $2.40 23 Jun 2026 $2.41 24 Jun 2026 $2.31 25 Jun 2026 $2.21 26 Jun 2026 $2.36 29 Jun 2026 $2.77 30 Jun 2026 $2.67 1 Jul 2026 $2.59 2 Jul 2026 $2.74 6 Jul 2026 $2.67 7 Jul 2026 $2.57 8 Jul 2026 $2.73 9 Jul 2026 $2.70 10 Jul 2026 $2.63 13 Jul 2026 $2.64 14 Jul 2026 $2.53 15 Jul 2026 $2.22 16 Jul 2026 $2.17 17 Jul 2026 $2.25 20 Jul 2026 $2.21 21 Jul 2026 $2.23 22 Jul 2026 $2.21 23 Jul 2026 $2.17 24 Jul 2026 $2.13 27 Jul 2026 $2.20 28 Jul 2026 $2.28 29 Jul 2026 $2.11 30 Jul 2026 $2.17 31 Jul 2026 $2.15 3 Aug 2026 $2.18 4 Aug 2026 $2.24 5 Aug 2026 $2.24 6 Aug 2026 $2.28 7 Aug 2026 $2.44 10 Aug 2026 $2.43 11 Aug 2026 $2.47 12 Aug 2026 $2.51 13 Aug 2026 $2.55 14 Aug 2026 $2.67 17 Aug 2026 $2.66 18 Aug 2026 $2.74 19 Aug 2026 $3.15 20 Aug 2026 $3.19 21 Aug 2026 $3.16 24 Aug 2026 $3.08 25 Aug 2026 $3.10 26 Aug 2026 $2.99 27 Aug 2026 $3.03 28 Aug 2026 $2.92 31 Aug 2026 $2.85 1 Sep 2026 $2.92 2 Sep 2026 $3.10 3 Sep 2026 $3.09 4 Sep 2026 $3.18 8 Sep 2026 $3.16 9 Sep 2026 $2.85 10 Sep 2026 $2.86 11 Sep 2026 $2.92 14 Sep 2026 $2.79 15 Sep 2026 $2.89 16 Sep 2026 $2.61 17 Sep 2026 $2.57 18 Sep 2026 $2.65 21 Sep 2026 $2.59 22 Sep 2026 $2.65 23 Sep 2026 $2.31 24 Sep 2026 $2.24 25 Sep 2026 $2.24 28 Sep 2026 $2.30 29 Sep 2026 $2.25 30 Sep 2026 $2.22 1 Oct 2026 $2.07 2 Oct 2026 $2.04 5 Oct 2026 $2.13 6 Oct 2026 $2.03 7 Oct 2026 $2.10 8 Oct 2026 $2.10 9 Oct 2026 $2.14 Barton Russell Chief Operating Officer Sold at will $7.83K 5 Jan 2026 · at $1.96 · 2.9% of stake Siemers Eric Chief Medical Officer Sold at will $7.83K 5 Jan 2026 · at $1.96 · 2.3% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $7.84K 5 Jan 2026 · at $1.96 · 2.5% of stake Zuga Matt CFO & Chief Business Officer Sold at will $7.84K 5 Jan 2026 · at $1.96 · 1.7% of stake OConnell Daniel Joseph Chief Executive Officer Sold at will $9.16K 5 Jan 2026 · at $1.97 · 0.7% of stake Barton Russell Chief Operating Officer Sold at will $7.11K 6 Jan 2026 · at $1.97 · 2.7% of stake Zuga Matt CFO & Chief Business Officer Sold at will $10.03K 6 Jan 2026 · at $1.97 · 2.2% of stake OConnell Daniel Joseph Chief Executive Officer Sold at will $10.03K 6 Jan 2026 · at $1.97 · 0.8% of stake Siemers Eric Chief Medical Officer Sold at will $13.44K 6 Jan 2026 · at $1.97 · 4.1% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $21.44K 6 Jan 2026 · at $1.97 · 6.9% of stake Schacterle Amy Chief Regulatory Officer Sold at will $2.18K 7 Jan 2026 · at $1.98 · 12.5% of stake Barton Russell Chief Operating Officer Sold at will $3.38K 7 Jan 2026 · at $1.99 · 1.3% of stake Doherty James J. President and CDO Sold at will $3.38K 7 Jan 2026 · at $1.99 · 2.7% of stake Zuga Matt CFO & Chief Business Officer Sold at will $11.57K 7 Jan 2026 · at $1.99 · 2.6% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $23.41K 7 Jan 2026 · at $1.99 · 8.0% of stake OConnell Daniel Joseph Chief Executive Officer Sold at will $74.98K 7 Jan 2026 · at $1.99 · 5.7% of stake Barton Russell Chief Operating Officer Sold at will $6.56K 8 Jan 2026 · at $1.86 · 2.8% of stake Doherty James J. President and CDO Sold at will $11.77K 8 Jan 2026 · at $1.82 · 10.7% of stake Zuga Matt CFO & Chief Business Officer Sold at will $12.51K 8 Jan 2026 · at $1.82 · 3.2% of stake OConnell Daniel Joseph Chief Executive Officer Sold at will $14.82K 8 Jan 2026 · at $1.82 · 1.3% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $67.25K 8 Jan 2026 · at $1.82 · 27.5% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $9.17K 9 Jan 2026 · at $1.76 · 5.3% of stake OConnell Daniel Joseph Chief Executive Officer Sold at will $22.83K 9 Jan 2026 · at $1.76 · 2.1% of stake OConnell Daniel Joseph Chief Executive Officer Sold at will $9.31K 12 Jan 2026 · at $1.73 · 0.9% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $14.66K 12 Jan 2026 · at $1.71 · 9.3% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $4.06K 21 Jan 2026 · at $1.81 · 1.2% of stake Barton Russell Chief Operating Officer Sold at will $4.18K 21 Jan 2026 · at $1.81 · 1.1% of stake Siemers Eric Chief Medical Officer Sold at will $4.20K 21 Jan 2026 · at $1.80 · 0.9% of stake Zuga Matt CFO & Chief Business Officer Sold at will $4.47K 21 Jan 2026 · at $1.81 · 0.8% of stake OConnell Daniel Joseph Chief Executive Officer Sold at will $16.93K 21 Jan 2026 · at $1.81 · 1.0% of stake Barton Russell Chief Operating Officer Sold at will $850.08 22 Jan 2026 · at $1.84 · 0.2% of stake Siemers Eric Chief Medical Officer Sold at will $1.63K 22 Jan 2026 · at $1.82 · 0.3% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $1.94K 22 Jan 2026 · at $1.84 · 0.6% of stake Zuga Matt CFO & Chief Business Officer Sold at will $3.14K 22 Jan 2026 · at $1.86 · 0.6% of stake OConnell Daniel Joseph Chief Executive Officer Sold at will $5.07K 22 Jan 2026 · at $1.88 · 0.3% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold at will $10.72K 23 Jan 2026 · at $1.90 · 3.1% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold on a plan $45.26K 26 Jan 2026 · at $3.00 · 8.0% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold on a plan $8.02K 28 Jan 2026 · at $3.00 · 1.5% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold on a plan $28.31K 27 Feb 2026 · at $3.01 · 5.1% of stake Meisner Derek M Chief Legal Officer & Corp Sec Sold on a plan $6.81K 6 Mar 2026 · at $3.26 · 1.2% of stake Fountain Nathan B Director Sold at will $14.27K 9 Jun 2026 · at $2.23 · 11.7% of stake Porter Derrell Director Sold at will $15.15K 15 Jun 2026 · at $2.35 · 11.8% of stake Porter Derrell Director Sold at will $29.77K 16 Jun 2026 · at $2.33 · 26.5% of stake Porter Derrell Director Sold at will $30.32K 17 Jun 2026 · at $2.33 · 26.9% of stake
0 buys40 sales at will4 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Net income
$121.34M
Free cash flow
$115.63M
Return on equity
-172.3%
Return on capital
-105.4%
Debt to equity
0.32

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
0K -7M FY20 Fiscal year 2020 Revenue $0.00 Net income $7.33M Margin n/a 0K -101M FY21 Fiscal year 2021 Revenue $0.00 Net income $100.61M Margin n/a 0K -43M FY22 Fiscal year 2022 Revenue $0.00 Net income $42.86M Margin n/a 0K -52M FY23 Fiscal year 2023 Revenue $0.00 Net income $52.37M Margin n/a 0K -102M FY24 Fiscal year 2024 Revenue $0.00 Net income $102.33M Margin n/a 0K -121M FY25 Fiscal year 2025 Revenue $0.00 Net income $121.34M Margin n/a
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
17 Jun 2026 Porter Derrell
Director
Sold at will $30.32K 26.9%
16 Jun 2026 Porter Derrell
Director
Sold at will $29.77K 26.5%
15 Jun 2026 Porter Derrell
Director
Sold at will $15.15K 11.8%
9 Jun 2026 Fountain Nathan B
Director
Sold at will $14.27K 11.7%
6 Mar 2026 Meisner Derek M
Chief Legal Officer & Corp Sec
Sold on a plan $6.81K 1.2%
27 Feb 2026 Meisner Derek M
Chief Legal Officer & Corp Sec
Sold on a plan $28.31K 5.1%