Barton Russell bought ABOS
January 16, 2026 · Form 4 insider transaction
Barton Russell bought 84,600 shares of Acumen Pharmaceuticals, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 5 days after the transaction.
Direction
Acquired (buy-side)
Shares
84,600
Price
$0.00
Total value
N/A
InsiderBarton Russell
Role—
SecurityCommon Stock
Transaction codeA: Grant or award
Transaction dateJanuary 16, 2026
Filing dateJanuary 21, 2026
Shares owned after207,869
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in three equal annual installments commencing one year after the grant date, subject to the Reporting Person's continuous service through each such vesting date.