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Fountain Nathan B

SEC insider (Form 3/4/5 filer). CIK 0001869596. Director at Acumen Pharmaceuticals, Inc. (ABOS). 3 reported Form 4/5 transactions since Sep 2024; latest on Jun 9, 2026. Located in NEWTON, MA.

Companies Fountain Nathan B has filed insider reports for

  • Acumen Pharmaceuticals, Inc. (ABOS): Director
Fountain Nathan B profile photo

Fountain Nathan B

CIK: 0001869596

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (33.3%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Acumen Pharmaceuticals, Inc. logo
ABOS

Acumen Pharmaceuticals, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (3 total)

  • Acumen Pharmaceuticals, Inc. logo
    ABOS

    Acumen Pharmaceuticals, Inc.

    Jun 9, 2026
    Sale
    Direct
    6.4K shares at avg. $2.23$14K
  • Acumen Pharmaceuticals, Inc. logo
    ABOS

    Acumen Pharmaceuticals, Inc.

    Jun 3, 2026
    Award
    Direct
    35.5K shares-
  • Acumen Pharmaceuticals, Inc. logo
    ABOS

    Acumen Pharmaceuticals, Inc.

    Jun 4, 2025
    Award
    Direct
    12.8K shares-

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