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$ABOS All transactions

Acumen Pharmaceuticals, Inc.

▼ SELL 10b5-1 Plan

$ Value

$75K

Shares

37,755

Price

$2

Filed

Jan 7

Insider

Name

OConnell Daniel Joseph

Title

Chief Executive Officer

CIK

0001865136

Roles

Director Officer

Transaction Details

Transaction Date

2026-01-07

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

619,982

Footnotes

Represents the number of shares sold by the Reporting Person through an automatic "sell to cover" transaction to satisfy tax withholding obligations in connection with the vesting of restricted stock units pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 24, 2024. | The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $1.9000 to $2.0600. Upon request, the Reporting Person will provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. | The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $1.9400 to $2.0000. Upon request, the Reporting Person will provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. | The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $1.9500 to $2.0300. Upon request, the Reporting Person will provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Filing Info

Accession No.

0001628280-26-001263

Form Type

4

Issuer CIK

0001576885

OConnell Daniel Joseph's History

Date Ticker Type Value
2026-01-22 ABOS $5K
2026-01-21 ABOS $17K
2026-01-20 ABOS A $0
2026-01-20 ABOS A $0
2026-01-12 ABOS $9K
2026-01-09 ABOS $23K
2026-01-08 ABOS $15K
2026-01-07 ABOS $75K
2026-01-06 ABOS $10K
2026-01-05 ABOS $9K

Other Insiders at ABOS (90d)

Insider Bought Sold Last
RA CAPITAL MANAGEMENT, L.P. 2026-03-16
Meisner Derek M
Chief Legal Officer & Corp Sec
$88K 2026-03-06