Derrell Porter

Derrell Porter is a declared insider of Acumen Pharmaceuticals, Inc., with filings sourced from SEC (Form 4). We count 7 filings; the first trade dates from 4 June 2025 and the latest from 17 June 2026.

Every open-market trade on record is a sale: 3 sales. The amount is not disclosed for 3 filings. Besides market trades, the filings include 2 share grants and 2 option exercises. In 2026 alone, the filings show no purchases and 3 sales.

On 17 June 2026 came the latest disclosure, an option exercise in Acumen Pharmaceuticals, Inc. The median gap between a trade and its publication by SEC (Form 4) is 2 days. The legal deadline for a Form 4 is two business days after the transaction. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.