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

Acumen Pharmaceuticals, Inc.

ABOS Clue Score27
United States Fiscal year ends December CIK 0001576885 Results filed 26 Oct 2026
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What the insiders did Net buying

Individual transactions

78
Insider
Date
Role
Action
Shares
Price
Amount
Derrell Porter
17 Jun 2026
Director
Sold after exercise
13,040
$2.33
$30.32K
Derrell Porter
16 Jun 2026
Director
Sell
12,800
$2.33
$29.77K
Derrell Porter
15 Jun 2026
Director
Sold after exercise
6,460
$2.35
$15.15K
Nathan B Fountain
9 Jun 2026
Director
Sell
6,400
$2.23
$14.27K
Derek M Meisner
6 Mar 2026
Chief Legal Officer & Corp Sec
Sold after exercise
2,090
$3.26
$6.81K
Derek M Meisner
27 Feb 2026
Chief Legal Officer & Corp Sec
Sold after exercise
9,406
$3.01
$28.31K
Derek M Meisner
28 Jan 2026
Chief Legal Officer & Corp Sec
Sold after exercise
2,671
$3.00
$8.02K
Derek M Meisner
26 Jan 2026
Chief Legal Officer & Corp Sec
Sold after exercise
15,085
$3.00
$45.26K
Derek M Meisner
23 Jan 2026
Chief Legal Officer & Corp Sec
Sell
5,633
$1.90
$10.72K
Russell Barton
22 Jan 2026
Chief Operating Officer
Sell
462
$1.84
$850.08
Daniel Joseph OConnell
22 Jan 2026
Chief Executive Officer
Sell
2,689
$1.88
$5.07K
Matt Zuga
22 Jan 2026
CFO & Chief Business Officer
Sell
1,687
$1.86
$3.14K
Eric Siemers
22 Jan 2026
Chief Medical Officer
Sell
895
$1.82
$1.63K
Derek M Meisner
22 Jan 2026
Chief Legal Officer & Corp Sec
Sell
1,054
$1.84
$1.94K
Russell Barton
21 Jan 2026
Chief Operating Officer
Sell
2,315
$1.81
$4.18K
Daniel Joseph OConnell
21 Jan 2026
Chief Executive Officer
Sell
9,346
$1.81
$16.93K
Matt Zuga
21 Jan 2026
CFO & Chief Business Officer
Sell
2,473
$1.81
$4.47K
Eric Siemers
21 Jan 2026
Chief Medical Officer
Sell
2,331
$1.80
$4.20K
Derek M Meisner
21 Jan 2026
Chief Legal Officer & Corp Sec
Sell
2,247
$1.81
$4.06K
Daniel Joseph OConnell
12 Jan 2026
Chief Executive Officer
Sell
5,388
$1.73
$9.31K
Derek M Meisner
12 Jan 2026
Chief Legal Officer & Corp Sec
Sell
8,548
$1.71
$14.66K
Daniel Joseph OConnell
9 Jan 2026
Chief Executive Officer
Sell
12,941
$1.76
$22.83K
Derek M Meisner
9 Jan 2026
Chief Legal Officer & Corp Sec
Sell
5,200
$1.76
$9.17K
James J. Doherty
8 Jan 2026
President and CDO
Sell
6,467
$1.82
$11.77K
Daniel Joseph OConnell
8 Jan 2026
Chief Executive Officer
Sell
8,143
$1.82
$14.82K
Derek M Meisner
8 Jan 2026
Chief Legal Officer & Corp Sec
Sell
30,092
$1.82
$54.87K
Derek M Meisner
8 Jan 2026
Chief Legal Officer & Corp Sec
Sell
6,819
$1.82
$12.38K
Russell Barton
8 Jan 2026
Chief Operating Officer
Sell
3,530
$1.86
$6.56K
Matt Zuga
8 Jan 2026
CFO & Chief Business Officer
Sell
6,888
$1.82
$12.51K
Russell Barton
7 Jan 2026
Chief Operating Officer
Sell
1,700
$1.99
$3.38K
Derek M Meisner
7 Jan 2026
Chief Legal Officer & Corp Sec
Sell
10,070
$1.99
$20.04K
Derek M Meisner
7 Jan 2026
Chief Legal Officer & Corp Sec
Sell
1,700
$1.99
$3.38K
Daniel Joseph OConnell
7 Jan 2026
Chief Executive Officer
Sell
37,755
$1.99
$74.98K
Matt Zuga
7 Jan 2026
CFO & Chief Business Officer
Sell
1,700
$1.99
$3.38K
Matt Zuga
7 Jan 2026
CFO & Chief Business Officer
Sell
4,105
$2.00
$8.19K
Amy Schacterle
7 Jan 2026
Chief Regulatory Officer
Sell
1,097
$1.98
$2.18K
James J. Doherty
7 Jan 2026
President and CDO
Sell
1,700
$1.99
$3.38K
Russell Barton
6 Jan 2026
Chief Operating Officer
Sell
3,618
$1.97
$7.11K
Derek M Meisner
6 Jan 2026
Chief Legal Officer & Corp Sec
Sell
3,801
$1.97
$7.48K
Derek M Meisner
6 Jan 2026
Chief Legal Officer & Corp Sec
Sell
7,097
$1.97
$13.96K
Daniel Joseph OConnell
6 Jan 2026
Chief Executive Officer
Sell
5,102
$1.97
$10.03K
Eric Siemers
6 Jan 2026
Chief Medical Officer
Sell
6,834
$1.97
$13.44K
Matt Zuga
6 Jan 2026
CFO & Chief Business Officer
Sell
5,100
$1.97
$10.03K
Russell Barton
5 Jan 2026
Chief Operating Officer
Sell
4,000
$1.96
$7.83K
Derek M Meisner
5 Jan 2026
Chief Legal Officer & Corp Sec
Sell
4,000
$1.96
$7.84K
Daniel Joseph OConnell
5 Jan 2026
Chief Executive Officer
Sell
4,649
$1.97
$9.16K
Eric Siemers
5 Jan 2026
Chief Medical Officer
Sell
4,000
$1.96
$7.83K
Matt Zuga
5 Jan 2026
CFO & Chief Business Officer
Sell
4,000
$1.96
$7.84K
Matt Zuga
23 Jan 2025
CFO & Chief Business Officer
Sold on a plan
28,902
$1.72
$49.63K
Eric Siemers
21 Jan 2025
Chief Medical Officer
Sold on a plan
3,219
$1.59
$5.12K
Russell Barton
21 Jan 2025
Chief Operating Officer
Sold on a plan
2,914
$1.61
$4.69K
Derek M Meisner
21 Jan 2025
Chief Legal Officer & Corp Sec
Sold on a plan
3,418
$1.59
$5.43K
Daniel Joseph OConnell
21 Jan 2025
Chief Executive Officer
Sold on a plan
12,619
$1.59
$20.10K
Matt Zuga
21 Jan 2025
CFO & Chief Business Officer
Sold on a plan
4,364
$1.60
$6.99K
Eric Siemers
3 Jan 2025
Chief Medical Officer
Sold on a plan
10,859
$1.85
$20.05K
Matt Zuga
3 Jan 2025
CFO & Chief Business Officer
Sold on a plan
13,235
$1.84
$24.37K
Russell Barton
3 Jan 2025
Chief Operating Officer
Sold on a plan
7,636
$1.86
$14.23K
Derek M Meisner
3 Jan 2025
Chief Legal Officer & Corp Sec
Sold on a plan
11,122
$1.84
$20.51K
Daniel Joseph OConnell
3 Jan 2025
Chief Executive Officer
Sold on a plan
47,778
$1.84
$87.87K
Derek M Meisner
19 Jan 2024
Chief Legal Officer & Corp Sec
Sold on a plan
8,933
$3.48
$31.05K
Daniel Joseph OConnell
19 Jan 2024
President and CEO
Sold on a plan
15,200
$3.47
$52.75K
Russell Barton
18 Jan 2024
Chief Operating Officer
Sold on a plan
2,833
$3.73
$10.56K
Eric Siemers
18 Jan 2024
Chief Medical Officer
Sold on a plan
3,124
$3.71
$11.60K
Matt Zuga
18 Jan 2024
CFO & Chief Business Officer
Sold on a plan
4,242
$3.71
$15.72K
Jeffrey L. Ives
17 Aug 2023
Director
Sold after exercise
2,800
$6.66
$18.65K
Jeffrey L. Ives
17 Aug 2023
Director
Sold after exercise
39,149
$6.48
$253.69K
Ra Capital Management, L.p.
21 Jul 2023
Director
Buy indirect
5,161,290
$7.75
$40.00M
Matt Zuga
29 Dec 2022
CFO and Chief Business Officer
Exercised, kept
50,000
$1.19
$59.50K
Daniel Joseph OConnell
30 Nov 2021
President and CEO
Exercised, kept
1,118
$4.47
$5.00K
Ra Capital Management, L.p.
6 Jul 2021
Director
Buy indirect
115,668
$16.00
$1.85M
Ra Capital Management, L.p.
6 Jul 2021
Director
Buy indirect
1,759,332
$16.00
$28.15M
Sands Capital Ventures Discovery Fund III, L.P.
6 Jul 2021
10% owner
Buy
450,000
$14.88
$6.70M
Nathan B Fountain
6 Jul 2021
Director
Buy
6,250
$16.00
$100.00K
Robert D. Hardie
6 Jul 2021
10% owner
Buy indirect
750,000
$16.00
$12.00M
Robert D. Hardie
6 Jul 2021
10% owner
Buy indirect
312,500
$16.00
$5.00M
Daniel Joseph OConnell
6 Jul 2021
President and CEO
Exercised, kept
35
$4.47
$156.45
John A Stalfort III
6 Jul 2021
Director
Buy
35,000
$16.00
$560.00K
Paul B Manning
6 Jul 2021
10% owner
Buy indirect
312,500
$16.00
$5.00M

What was left out

Form 4 filings counted 120
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 9
Sales on a Rule 10b5-1 plan 16
Sales straight out of an exercise 8
Sales at will 42
Transactions with no price 0
Shares from compensation/vesting 30,618,063
History held since 2 Jul 2021