Siemers Eric - Insider Non-Derivative Transactions at Acumen Pharmaceuticals, Inc. (ABOS) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Jan 21, 2025, Siemers Eric's relationship to Acumen Pharmaceuticals, Inc. (ABOS) is Officer (Chief Medical Officer), and currently has 170,298 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other ABOS insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Siemers Eric - Insider Non-Derivative Transactions of ABOS Common Stock

Siemers Eric - Insider Non-Derivative Transactions at ABOS

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Jan 22, 2025	Sell -- (Common Stock)	3219	1.59	170298
Jan 7, 2025	Acquisition -- (Common Stock)	66800	0	173517
Jan 4, 2025	Sell -- (Common Stock)	10859	1.85	106717
Jan 19, 2024	Sell -- (Common Stock)	3124	3.71	117576
Jan 3, 2024	Acquisition -- (Common Stock)	94000	0	120700
Jan 18, 2023	Acquisition -- (Common Stock)	26700	0	26700