Meisner Derek M bought ABOS
January 16, 2026 · Form 4 insider transaction
Meisner Derek M bought 148,700 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
148,700
Price
$0.00
Total value
N/A
InsiderMeisner Derek M
Role—
SecurityEmployee Stock Option (right to buy)
Transaction codeA: Grant or award
Transaction dateJanuary 16, 2026
Filing dateJanuary 21, 2026
Shares owned after148,700
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The shares subject to the option will vest in 48 equal monthly installments such that the option is fully vested on the fourth anniversary of the date of grant, subject to the Reporting Person's continuous service through each such vesting date.