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SCHEDULE 13D/A

Beneficial Ownership Report

Acumen Pharmaceuticals, Inc. Filed 2026-03-17 Acc 0001104659-26-029538

Documents 1

SCHEDULE 13D/A Beneficial Ownership Report , xslSCHEDULE_13D_X02/primary_doc.xml

Around this filing

2026-03-18 4 Director acquired 6,060,606 shares (grant or award)
2026-03-17 SCHEDULE 13D/A Beneficial Ownership Report
2026-03-16 8-K Material agreement · Unregistered share sale · Regulation FD disclosure
2026-03-10 4 Chief Legal Officer & Corp Sec sold 2,090 shares at $3.26 ($6,813)
2025-03-31 SCHEDULE 13D/A Beneficial Ownership Report

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