Meisner Derek M

Chief Legal Officer & Corp SecAcumen Pharmaceuticals, Inc. (ABOS) · full profile →Form 4 · filed Jan 28, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$53K
Net Open-Market Flow
-$53K
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 28, 2026Option exercise(M)3K$1.85$5K177K
Jan 28, 2026Sell(S)3K$3.00$8K174K
Jan 26, 2026Sell(S)15K$3.00$45K174K
Jan 26, 2026Option exercise(M)15K$1.85$28K189K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jan 28, 2026Option exercise(M)3K$083K
Jan 26, 2026Option exercise(M)15K$085K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-26-003948) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

Build

Ask your agent about ABOS insider filings

This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/filing/0001628280-26-003948"
Ask your agent
Use Arkolith to summarize insider buying and selling at Acumen Pharmaceuticals, Inc.
over the last 90 days and cite the filings.