NASDAQ:ABOS

Acumen Pharmaceuticals Stock Insider Trading

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*Your capital is at risk
$2.15
-0.0200 (-0.92%)
At Close: Jul 31, 2026

Acumen Pharmaceuticals Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 58.87. In total, the insiders bought 9.37M and sold 305.13K ABOS shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
58.87
Buy 9.37M shares
Sell 305.13K shares
52% Buy Activity
Weak Positive Correlation
Buy Signal Medium Confidence
Mar 16, 2026

Analysis Breakdown:

  • Strongly supported by a very high Insider Power Score of 58.87.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Jan 07, 2026
Sell
Common Stock
S-Sale
Meisner Derek M
Chief Legal Officer & Corp Sec
Officer 10 070
Value: $20.0K
Jan 07, 2026
Sell
Common Stock
S-Sale
Meisner Derek M
Chief Legal Officer & Corp Sec
Officer 1 700
Value: $3K
Jan 07, 2026
Sell
Common Stock
S-Sale
Zuga Matt
CFO & Chief Business Officer
C-Suite Officer 4 105
Value: $8K
Jan 07, 2026
Sell
Common Stock
S-Sale
Zuga Matt
CFO & Chief Business Officer
C-Suite Officer 1 700
Value: $3K
Jan 07, 2026
Sell
Common Stock
S-Sale
Oconnell Daniel Joseph
Chief Executive Officer
CEO / President 37 755
Value: $75.0K
Jan 06, 2026
Sell
Common Stock
S-Sale
Barton Russell
Chief Operating Officer
C-Suite Officer 3 618
Value: $7K
Jan 06, 2026
Sell
Common Stock
S-Sale
Meisner Derek M
Chief Legal Officer & Corp Sec
Officer 3 801
Value: $7K
Jan 06, 2026
Sell
Common Stock
S-Sale
Meisner Derek M
Chief Legal Officer & Corp Sec
Officer 7 097
Value: $14.0K
Jan 06, 2026
Sell
Common Stock
S-Sale
Zuga Matt
CFO & Chief Business Officer
C-Suite Officer 5 100
Value: $10.0K
Jan 06, 2026
Sell
Common Stock
S-Sale
Siemers Eric
Chief Medical Officer
Officer 6 834
Value: $13.4K
Jan 06, 2026
Sell
Common Stock
S-Sale
Oconnell Daniel Joseph
Chief Executive Officer
CEO / President 5 102
Value: $10.0K
Jan 05, 2026
Sell
Common Stock
S-Sale
Barton Russell
Chief Operating Officer
C-Suite Officer 4 000
Value: $8K
Jan 05, 2026
Sell
Common Stock
S-Sale
Zuga Matt
CFO & Chief Business Officer
C-Suite Officer 4 000
Value: $8K
Jan 05, 2026
Sell
Common Stock
S-Sale
Siemers Eric
Chief Medical Officer
Officer 4 000
Value: $8K
Jan 05, 2026
Sell
Common Stock
S-Sale
Oconnell Daniel Joseph
Chief Executive Officer
CEO / President 4 649
Value: $9K
Jan 05, 2026
Sell
Common Stock
S-Sale
Meisner Derek M
Chief Legal Officer & Corp Sec
Officer 4 000
Value: $8K
Nov 06, 2025
Buy
Stock Option (right to buy)
A-Award
Golumbeski George
Director
Director 50 000
Value: $95.0K
Nov 06, 2025
Buy
Common Stock
J-Other
Golumbeski George
Director 0
Value: $0
Jun 04, 2025
Buy
Stock Option (Right to Buy)
A-Award
Ra Capital Management, L.p.
Director 19 500
Value: $20.9K
Jun 04, 2025
Buy
Common Stock
A-Award
Ra Capital Management, L.p.
Director 12 800
Value: $13.7K
Jun 04, 2025
Buy
Stock Option (right to buy)
A-Award
Stoppel Laura
Director
Director 19 500
Value: $20.9K
Jun 04, 2025
Buy
Common Stock
A-Award
Stoppel Laura
Director
Director 12 800
Value: $13.7K
Jun 04, 2025
Buy
Common Stock
A-Award
Stalfort John A Iii
Director
Director 12 800
Value: $13.7K
Jun 04, 2025
Buy
Stock Option (right to buy)
A-Award
Stalfort John A Iii
Director
Director 19 500
Value: $20.9K
Jun 04, 2025
Buy
Stock Option (right to buy)
A-Award
Fountain Nathan B
Director
Director 19 500
Value: $20.9K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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