Skip to main contentSkip to navigation
Sirius Investors
Acumen Pharmaceuticals, Inc.

Acumen Pharmaceuticals, Inc.

ABOS
NASDAQHealthcare

Insider Trading for ABOS

View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.

Insider Trading Summary

Shares Acquired
Sign in to see amounts
Shares Disposed
Sign in to see amounts
Net Position
Sign in to see net activity
Unlock for free

Already registered? Sign in

Recent Activity (30 Days)

No insider transactions in the past 30 days.

Quarterly Activity (3 Months)

Acquisitions: 729.5K shares
Dispositions: 58.2K shares
Net: 671.3K shares

Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.

Net Insider Flow Over Time

Daily net shares acquired vs disposed · ABOS

Net buyingNet selling

Acquisition vs Disposition

Share volume in the current dataset

Shares acquired9.3M
Shares disposed353.9K
Net position+9.0M

Transaction Types

Breakdown by SEC transaction code

Sale48
Award/Grant39
Exercise12
Unknown1

Activity by Insider Role

Net share movement grouped by reporting role

Executives
7 insiders
+2.1M
net shares
+2.4M bought-295.7K sold
Directors
8 insiders
+6.9M
net shares
+7.0M bought-58.2K sold

Key Insider Activity

Jun 4, 2025 to Jun 17, 2026
RA CAPITAL MANAGEMENT, L.P.
DirectorDirector, 10 Percent Owner:
Active: Jun 4, 2025 – Jun 3, 2026· Last filing: Jun 3, 2026
+6.2M shares
$20.1M est. value
5 transactions
Recent transactions
Jun 3, 2026Award/Grant
+53.3K sh$121.9K
Jun 3, 2026Award/Grant
+35.5K sh
Mar 16, 2026Award/Grant
+6.1M sh$20.0M
Jun 4, 2025Award/Grant
+19.5K sh$20.9K
Jun 4, 2025Award/Grant
+12.8K sh

Insider #2 profile and transactions — Pro, Premium, or Enterprise

Insider #3 profile and transactions — Pro, Premium, or Enterprise

Insider #4 profile and transactions — Pro, Premium, or Enterprise

Insider #5 profile and transactions — Pro, Premium, or Enterprise

Free accounts see the top insider only. Upgrade to unlock all 5 key insiders and full transaction history.

Upgrade to unlock

Transaction Details

DateInsiderRoleTransactionSharesPriceValueOwned AfterSEC Filing
Jun 17, 2026Porter DerrellDDirectorExercise13.0K$1.07$13,952.8048.5KView
Jun 17, 2026Porter DerrellDDirectorSale13.0K$2.33$30,318.0035.5KView
Jun 17, 2026Porter DerrellDDirectorExercise13.0K$1.07$13,952.800View
Jun 16, 2026
Locked
Jun 15, 2026
Locked
Jun 15, 2026
Locked
Jun 15, 2026
Locked
Jun 9, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Jun 3, 2026
Locked
Mar 16, 2026
Locked
Mar 6, 2026
Locked
Mar 6, 2026
Locked
Mar 6, 2026
Locked
Feb 27, 2026
Locked
Feb 27, 2026
Locked
Feb 27, 2026
Locked
Jan 28, 2026
Locked
Jan 28, 2026
Locked
Jan 28, 2026
Locked
Jan 26, 2026
Locked
Jan 26, 2026
Locked
Jan 26, 2026
Locked
Jan 23, 2026
Locked
Jan 22, 2026
Locked
Jan 22, 2026
Locked
Jan 22, 2026
Locked
Jan 22, 2026
Locked
Jan 22, 2026
Locked
Jan 21, 2026
Locked
Jan 21, 2026
Locked
Jan 21, 2026
Locked
Jan 21, 2026
Locked
Jan 21, 2026
Locked
Jan 20, 2026
Locked
Jan 20, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 16, 2026
Locked
Jan 12, 2026
Locked
Jan 12, 2026
Locked
Jan 9, 2026
Locked
Jan 9, 2026
Locked
Jan 8, 2026
Locked
Jan 8, 2026
Locked
Jan 8, 2026
Locked
Jan 8, 2026
Locked
Jan 8, 2026
Locked
Jan 8, 2026
Locked
Jan 7, 2026
Locked
Jan 7, 2026
Locked
Jan 7, 2026
Locked
Jan 7, 2026
Locked
Jan 7, 2026
Locked
Jan 7, 2026
Locked
Jan 7, 2026
Locked
Jan 7, 2026
Locked
Jan 6, 2026
Locked
Jan 6, 2026
Locked
Jan 6, 2026
Locked
Jan 6, 2026
Locked
Jan 6, 2026
Locked
Jan 6, 2026
Locked
Jan 5, 2026
Locked
Jan 5, 2026
Locked
Jan 5, 2026
Locked
Jan 5, 2026
Locked
Jan 5, 2026
Locked
Nov 6, 2025
Locked
Nov 6, 2025
Locked
Jun 4, 2025
Locked
Jun 4, 2025
Locked
Jun 4, 2025
Locked
Jun 4, 2025
Locked
Jun 4, 2025
Locked
Jun 4, 2025
Locked
Jun 4, 2025
Locked
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.

Executive Activity:

Executives have been net buyers of ABOS stock, which is typically a strong positive signal.