Meisner Derek M 4
4 · Acumen Pharmaceuticals, Inc. · Filed Mar 3, 2026
Insider Transaction Report
Form 4
Meisner Derek M
Chief Legal Officer & Corp Sec
Transactions
- Exercise/Conversion
Common Stock
2026-02-27$1.85/sh+9,406$17,401→ 183,405 total - Sale
Common Stock
[F1][F2]2026-02-27$3.01/sh−9,406$28,311→ 173,999 total - Exercise/Conversion
Employee Stock Option (right to buy)
[F3]2026-02-27−9,406→ 73,138 totalExercise: $1.85Exp: 2035-01-06→ Common Stock (9,406 underlying)
Footnotes (3)
- [F1]The reported sales occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 29, 2025.
- [F2]The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $3.0000 to $3.0300. 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.
- [F3]The shares subject to the employee stock option vest in 48 equal monthly installments starting on the date the option was granted, such that the option will be fully vested on the fourth anniversary of the date of grant, subject to the Reporting Person's continuous service through each such vesting date.
Signature
/s/ Derek Meisner|2026-03-03