January 8, 2026 · Form 4 insider transaction
Barton Russell sold 3,530 shares of Acumen Pharmaceuticals, Inc. Company: Acumen Pharmaceuticals, Inc. (San Francisco, CA) Description: Drug Discovery at $1.86 per share, a transaction worth $6.6K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
Represents the number of shares sold by the Reporting Person through an automatic "sell to cover" transaction to satisfy tax withholding obligations in connection with the vesting of restricted stock units pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 25, 2025.; The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $1.8000 to $1.9500. 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.