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$ABOS All transactions

Acumen Pharmaceuticals, Inc.

▼ SELL 10b5-1 Plan

$ Value

$8K

Shares

4,000

Price

$2

Filed

Jan 7

Insider

Name

Siemers Eric

Title

Chief Medical Officer

CIK

0001866239

Roles

Officer

Transaction Details

Transaction Date

2026-01-05

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

166,298

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 September 3, 2024. | The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $1.9100 to $1.9750. 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 $1.9900. 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.

0001628280-26-001264

Form Type

4

Issuer CIK

0001576885

Siemers Eric's History

Date Ticker Type Value
2026-01-22 ABOS $2K
2026-01-21 ABOS $4K
2026-01-16 ABOS A $0
2026-01-16 ABOS A $0
2026-01-06 ABOS $13K
2026-01-05 ABOS $8K

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