Skip to content
Home / Companies / ABOS ABO
Acumen Pharmaceuticals, Inc. (ABOS) XNAS BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES) Net insider selling (90d)
Latest ABOS Insider Trades
About Acumen Pharmaceuticals, Inc. (ABOS) 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. The product pipelines include: ALTITUDE-AD; and INTERCEPT-AD.
Headquarters NEWTON, MA
Employees 61
Listed 2021
Exchange XNAS https://www.acumenpharm.com SEC filings for ABOS on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 4 38,700 $90K Grant or award 16 710,000 Option exercise 4 39,000
ABOS Insider Transactions (Form 4) 63 27 Form 4 filings on record, the earliest from Nov 6, 2024, newest first.
Date Insider Transaction Security Shares Price Value Jun 15, 2026 DP Derrell Porter - Director Option exercise Common Stock 6,460
Recent ABOS Form 8-K Filings 5
Recent ABOS Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Jun 17, 2026 - - - - View on EDGAR Jun 16, 2026 - - -
ABOS Insider Trading - FAQ
What is the latest insider trade for ABOS? Acumen Pharmaceuticals, Inc. (ABOS) had 10 insider filings in the last 90 days, with the most recent on 2026-06-17. The full record for ABOS runs to 27 Form 4 filings, the earliest from 2024-11-06. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying ABOS stock? No insider purchases of ABOS were filed in the last 90 days.
How many insiders are selling ABOS stock? 4 insider sales of ABOS were filed in the last 90 days, totaling $90K.
Where can I see ABOS SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks ABOS Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow ABOS insider buys? Create a free InsiderAlpha account and press Watch on this page to add ABOS to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Jun 17, 2026 - Derrell Porter view on EDGAR Jun 10, 2026 - Nathan B. Fountain view on EDGAR Jun 5, 2026 - RA CAPITAL MANAGEMENT, L.P. view on EDGAR Jun 5, 2026 - Nathan B. Fountain view on EDGAR Jun 5, 2026 - Kimberlee C. Drapkin view on EDGAR Jun 5, 2026 - John A. Stalfort III view on EDGAR Jun 5, 2026 - Derrell Porter view on EDGAR Jun 5, 2026 - Jeffrey L. Ives view on EDGAR Jun 5, 2026 - George Golumbeski view on EDGAR What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track ABOS insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free
Market cap $211.17M
P/E ratio -
Dividend yield -
Average volume 463.8K
52 week high $3.60
52 week low $1.21
Today's high $3.02
Today's low $2.89
Open $3.02
Volume 305.8K
Previous close $3.03
Shares outstanding 72.32M Market cap
$211.17M
61 employees
ABOS Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 4 sales totaling $90K.
Most-Active ABOS Insiders - Last 90 Days 10 Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Jun 15, 2026 DP Derrell Porter - Director Open-market sale Common Stock 6,460 $2.35 $15K
Jun 17, 2026 DP Derrell Porter - Director Option exercise Common Stock 13,040 $1.07 $14K
Jun 17, 2026 DP Derrell Porter - Director Open-market sale Common Stock 13,040 $2.33 $30K
Jun 16, 2026 DP Derrell Porter - Director Open-market sale Common Stock 12,800 $2.33 $30K
Jun 15, 2026 DP Derrell Porter - Director Option exercise Stock Option (right to buy) 6,460 $0.00 -
Jun 17, 2026 DP Derrell Porter - Director Option exercise Stock Option (right to buy) 13,040 $0.00 -
Jun 3, 2026 NF Nathan B. Fountain - Director Grant or award Stock Option (right to buy) 53,250 $0.00 -
Jun 3, 2026 DP Derrell Porter - Director Grant or award Common Stock 35,500 $0.00 -
Jun 3, 2026 DP Derrell Porter - Director Grant or award Stock Option (right to buy) 53,250 $0.00 -
Jun 3, 2026 JI Jeffrey L. Ives - Director Grant or award Common Stock 35,500 $0.00 -
Jun 3, 2026 JI Jeffrey L. Ives - Director Grant or award Stock Option (right to buy) 53,250 $0.00 -
Jun 3, 2026 GG George Golumbeski - Director Grant or award Stock Option (right to buy) 53,250 $0.00 -
Jun 3, 2026 LS Laura Stoppel - Director Grant or award Common Stock 35,500 $0.00 -
Jun 3, 2026 LS Laura Stoppel - Director Grant or award Stock Option (right to buy) 53,250 $0.00 -
Mar 6, 2026 DM Derek M. Meisner - Officer Option exercise Employee Stock Option (right to buy) 2,090 $0.00 -
Mar 6, 2026 DM Derek M. Meisner - Officer Open-market sale Common Stock 2,090 $3.26 $7K
Feb 27, 2026 DM Derek M. Meisner - Officer Option exercise Common Stock 9,406 $1.85 $17K
Feb 27, 2026 DM Derek M. Meisner - Officer Open-market sale Common Stock 9,406 $3.01 $28K
Feb 27, 2026 DM Derek M. Meisner - Officer Option exercise Employee Stock Option (right to buy) 9,406 $0.00 -
Jan 26, 2026 DM Derek M. Meisner - Officer Option exercise Common Stock 15,085 $1.85 $28K
Jan 28, 2026 DM Derek M. Meisner - Officer Option exercise Common Stock 2,671 $1.85 $5K
Jan 26, 2026 DM Derek M. Meisner - Officer Open-market sale Common Stock 15,085 $3.00 $45K
Jan 28, 2026 DM Derek M. Meisner - Officer Open-market sale Common Stock 2,671 $3.00 $8K
Jan 26, 2026 DM Derek M. Meisner - Officer Option exercise Employee Stock Option (right to buy) 15,085 $0.00 -
Jan 28, 2026 DM Derek M. Meisner - Officer Option exercise Employee Stock Option (right to buy) 2,671 $0.00 -
Jan 21, 2026 DM Derek M. Meisner - Officer Open-market sale Common Stock 2,247 $1.81 $4K
Jan 22, 2026 DM Derek M. Meisner - Officer Open-market sale Common Stock 1,054 $1.84 $2K
Jan 23, 2026 DM Derek M. Meisner - Officer Open-market sale Common Stock 5,633 $1.90 $11K
Jan 21, 2026 ES Eric Siemers - Officer Open-market sale Common Stock 2,331 $1.80 $4K
Jan 22, 2026 ES Eric Siemers - Officer Open-market sale Common Stock 895 $1.82 $2K
Jan 21, 2026 MZ Matt Zuga - Officer Open-market sale Common Stock 2,473 $1.81 $4K
Jan 22, 2026 MZ Matt Zuga - Officer Open-market sale Common Stock 1,687 $1.86 $3K
Jan 21, 2026 RB Russell Barton - Officer Open-market sale Common Stock 2,315 $1.81 $4K
Jan 22, 2026 RB Russell Barton - Officer Open-market sale Common Stock 462 $1.84 $850
Jan 16, 2026 MZ Matt Zuga - Officer Grant or award Common Stock 99,133 $0.00 -
Jan 16, 2026 MZ Matt Zuga - Officer Grant or award Employee Stock Option (right to buy) 148,700 $0.00 -
Jan 16, 2026 DM Derek M. Meisner - Officer Grant or award Employee Stock Option (right to buy) 148,700 $0.00 -
Jan 16, 2026 ES Eric Siemers - Officer Grant or award Common Stock 99,133 $0.00 -
Jan 16, 2026 ES Eric Siemers - Officer Grant or award Employee Stock Option (right to buy) 148,700 $0.00 -
Jan 16, 2026 RB Russell Barton - Officer Grant or award Common Stock 84,600 $0.00 -
Jan 16, 2026 RB Russell Barton - Officer Grant or award Employee Stock Option (right to buy) 126,900 $0.00 -
Jan 16, 2026 AS Amy Schacterle - Officer Grant or award Common Stock 84,600 $0.00 -
Jan 16, 2026 AS Amy Schacterle - Officer Grant or award Employee Stock Option (right to buy) 126,900 $0.00 -
Jan 16, 2026 JD James J. Doherty - Officer Grant or award Employee Stock Option (right to buy) 250,300 $0.00 -
Nov 5, 2024 AS Amy Schacterle - Officer Grant or award Employee Stock Option (right to buy) 340,000 $0.00 -
ACR 
