Eric Siemers - Jan 17, 2023 Form 4 Insider Report for Acumen Pharmaceuticals, Inc. (ABOS)

Role: Chief Medical Officer
Signature: /s/ Katherine Denby, Attorney-in-Fact
Stock symbol: ABOS
Transactions as of: Jan 17, 2023
Transactions value $: $0
Form type: 4
Date filed: 1/18/2023, 03:23 PM
Previous filing: Jan 21, 2022
Next filing: Jan 4, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ABOS	Common Stock	Award	$0	+26.7K		$0.00	26.7K	Jan 17, 2023	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ABOS	Employee Stock Option (right to buy)	Award	$0	+120K		$0.00	120K	Jan 17, 2023	Common Stock	120K	$6.11	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	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.