Transaction · 0001231919-26-000604

RA CAPITAL MANAGEMENT, L.P.

RA CAPITAL MANAGEMENT, L.P., DIR, reported a transaction classified as grant at Acumen Pharmaceuticals, Inc. involving 35500.000000 shares for an estimated $0.00. Reported holdings after the transaction were 48300.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ADIR
ABOSAcumen Pharmaceuticals, Inc.
Filing timeJun 05
Trade dateJun 03, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

ABOS price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ABOS since 2026-06-05Filed 96 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
grant
Code A
Identifier
0001231919-26-000604
Common Stock
Transaction date
Jun 03, 2026
Filed Jun 05, 2026, 09:12 PM · 2d delay
Shares
35.5k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
48.3k sh
Indirect · See footnotes

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Large Holdings Increase
-18score
Filing-only score

-18

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    Represents a restricted stock unit ("RSU") award to Laura Stoppel. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier o…

  2. F2

    RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund"), RA Capital Nexus Fund II, L.P. (the "Nexus Fund II") and a separately managed a…

  3. F3

    Under Dr. Stoppel's arrangement with the Adviser, Dr. Stoppel holds the RSUs and the option for the benefit of the Fund, the Nexus Fund II and the Account. Dr. Stoppel is obligated to turn over to the…

  4. F4

    Held directly by the Fund.

  5. F5

    Held directly by the Nexus Fund II.

  6. F6

    Held directly by the Account.

  7. F7

    Represents the award of an option to Dr. Stoppel. The shares subject to the option will vest in full on the earlier of the first anniversary of the date of grant or the 2027 annual stockholder meeting…

Original filing · 0001231919-26-000604
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