v3.25.2

STOCKHOLDERS’ EQUITY (Details) $ / shares in Units, $ in Millions	6 Months Ended		36 Months Ended
	Jun. 30, 2025 vote $ / shares shares	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2025 USD ($) vote $ / shares shares	Dec. 31, 2024 $ / shares shares	Mar. 27, 2024 USD ($)	Nov. 10, 2023 $ / shares shares	Apr. 23, 2023	Jul. 01, 2022 USD ($)
Class of Stock [Line Items]
Common stock and preferred stock, shares authorized (in shares)	310,000,000		310,000,000
Preferred stock, shares authorized (in shares)	10,000,000		10,000,000	10,000,000
Preferred stock, par value (in dollars per share) \| $ / shares	$ 0.0001		$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	300,000,000		300,000,000	300,000,000
Common stock, par value (in dollars per share) \| $ / shares	$ 0.0001		$ 0.0001	$ 0.0001
Common stock, number of voting rights \| vote	1		1
Sale of stock, commission rate to sales agents							3.00%
Common Stock
Class of Stock [Line Items]
Common stock issued in settlement of vested RSUs (in shares)	446,756	101,071
Common Stock Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share) \| $ / shares						$ 1.95
Class of warrants or rights term (in years)						10 years
Common Stock Warrants \| Common Stock
Class of Stock [Line Items]
Warrants (in shares)						730,769
2022 Registration Statement
Class of Stock [Line Items]
Sale of stock, maximum authorized amount \| $								$ 200.0
At The Market Offering
Class of Stock [Line Items]
Sale of stock, maximum authorized amount \| $								$ 50.0
Sale of stock, number of shares issued in transaction (in shares)	0	2,068,246
Sale of stock, consideration received on transaction \| $		$ 7.9	$ 12.2
Sale of stock, price per share (in dollars per share) \| $ / shares		$ 3.84
2024 Registration Statement
Class of Stock [Line Items]
Sale of stock, maximum authorized amount \| $					$ 200.0

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Acumen Pharmaceuticals, Inc. 10-Q