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Porter Derrell's Form 4 filing

Acumen Pharmaceuticals, Inc. (ABOS) · filed Jun 17, 2026

Accession no.
0001628280-26-043987
Filed
Jun 17, 2026
Trade date
Jun 15-17, 2026
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 5 non-derivative transactions and 2 derivative transactions. Open-market sales total $75.4K. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Porter DerrellCIK 0001706400Director

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jun 15, 2026Common StockMOption exerciseAcquired+6,460$1.07+$6,912.254,760Direct
Jun 15, 2026Common StockSSaleDisposed−6,460$2.35−$15,18148,300Direct
Jun 16, 2026Common StockSSaleDisposed−12,800$2.33F1−$29,82435,500Direct
Jun 17, 2026Common StockMOption exerciseAcquired+13,040$1.07+$13,952.848,540Direct
Jun 17, 2026Common StockSSaleDisposed−13,040$2.33−$30,383.235,500Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Jun 15, 2026Common StockMOption exerciseDisposed−6,460$0.00$013,040Direct
Jun 17, 2026Common StockMOption exerciseDisposed−13,040$0.00$00Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $2.305 to $2.345. Upon request, the Reporting Person will provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)