Acumen Pharmaceuticals, Inc. — Director's Dealing 2021

Jul 9, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Acumen Pharmaceuticals, Inc. (ABOS)
CIK: 0001576885
Period of Report: 2021-07-06

Reporting Person: Hardie Robert D. (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-07-06	Common Stock	C	1124830	—	Acquired	1124830	Indirect
2021-07-06	Common Stock	C	2076326	—	Acquired	3201156	Indirect
2021-07-06	Common Stock	P	750000	$16.00	Acquired	3951156	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-07-06	Series A-1 Preferred Stock	$	C	1124830	Disposed		Common Stock (1124830)	Indirect
2021-07-06	Series B Preferred Stock	$	C	2076326	Disposed		Common Stock (2076326)	Indirect

Footnotes

F1: On July 6, 2021, each share of Series A-1 Convertible Preferred Stock and Series B Convertible Preferred Stock (collectively, the "Preferred Stock") converted into Common Stock on a one-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F2: Consists of 562,415 shares of common stock issuable upon conversion of Series A-1 preferred stock held by H7 Holdings LLC, and 562,415
shares of common stock issuable upon conversion of Series A-1 preferred stock held by Level One Partners, LLC. Robert D. Hardie is the
Manager of both H7 Holdings, LLC and Level One Partners, LLC and has the power to vote or dispose of the shares held by each entity. The
Reporting Person disclaims beneficial ownership of the shares held by H7 Holdings, LLC and Level One Partners, LLC, except to the extent of
his pecuniary interest therein.

F3: Consists of 1,038,163 shares of common stock issuable upon conversion of Series B convertible preferred stock held by H7 Holdings LLC, and
1,038,163 shares of common stock issuable upon conversion of Series B convertible preferred stock held by Level One Partners, LLC. Robert D.
Hardie is the Manager of both H7 Holdings, LLC and Level One Partners, LLC and has the power to vote or dispose of the shares held by each
entity. The Reporting Person disclaims beneficial ownership of the shares held by H7 Holdings, LLC and Level One Partners, LLC, except to the
extent of his pecuniary interest therein.

F4: Consists of 375,000 shares of common stock held by H7 Holdings LLC, and 375,000 shares of common stock held by Level One Partners, LLC. Robert D. Hardie is the Manager of both H7 Holdings, LLC and Level One Partners, LLC and has the power to vote or dispose of the shares held by each entity. The Reporting Person disclaims beneficial ownership of the shares held by H7 Holdings, LLC and Level One Partners, LLC, except to the extent of his pecuniary interest therein.