Acumen Pharmaceuticals, Inc (ABOS) insider trading
Every open-market stock purchase and sale by Acumen Pharmaceuticals, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $625K over the last 12 months (21 sales). No open-market buys.
- Last insider buy: Ra Capital Management L.p. (10% owner), $40M, 3 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $625K (21 sales). Last close $2.24 on Jun 10, 2026.
Recent ABOS insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 17, 2026 | Derrell Porter (Director) | Sold | $30.3K |
| Jun 17, 2026 | Derrell Porter (Director) | Bought (not open market) | — |
| Jun 16, 2026 | Derrell Porter (Director) | Sold | $29.8K |
| Jun 15, 2026 | Derrell Porter (Director) | Sold | $15.1K |
| Jun 15, 2026 | Derrell Porter (Director) | Bought (not open market) | — |
| Jun 9, 2026 | Nathan B Fountain (Director) | Sold | $14.3K |
| Jun 3, 2026 | Kimberlee C Drapkin (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Nathan B Fountain (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Nathan B Fountain (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Kimberlee C Drapkin (Director) | Bought (not open market) | — |
| Jun 3, 2026 | John A Stalfort III (Director) | Bought (not open market) | — |
| Jun 3, 2026 | John A Stalfort III (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Derrell Porter (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Derrell Porter (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Jeffrey L. Ives (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Jeffrey L. Ives (Director) | Bought (not open market) | — |
| Jun 3, 2026 | George Golumbeski (Director) | Bought (not open market) | — |
| Jun 3, 2026 | George Golumbeski (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Laura Stoppel (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Laura Stoppel (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Ra Capital Management L.p. (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Ra Capital Management L.p. (Insider) | Bought (not open market) | — |
| Mar 16, 2026 | Ra Capital Management L.p. (Insider) | Bought (not open market) | $20M |
| Mar 6, 2026 | Derek M Meisner (C-suite exec) | Sold | $6.8K |
| Mar 6, 2026 | Derek M Meisner (C-suite exec) | Bought (not open market) | — |
Who's trading ABOS
- Derrell Porter, Director: sold $75.2K (3 sales), last Jun 17, 2026
- Nathan B Fountain, Director: sold $14.3K (1 sale), last Jun 9, 2026
- Kimberlee C Drapkin, Director: other filings, last Jun 3, 2026
- Ra Capital Management L.p., Insider: other filings, last Jun 3, 2026
- Jeffrey L. Ives, Director: other filings, last Jun 3, 2026
- Laura Stoppel, Director: other filings, last Jun 3, 2026
- George Golumbeski, Director: other filings, last Jun 3, 2026
- John A Stalfort III, Director: other filings, last Jun 3, 2026
- Derek M Meisner, C-suite exec: sold $249K (16 sales), last Mar 6, 2026
- Matt Zuga, CFO: sold $49.6K (7 sales), last Jan 22, 2026
- Daniel Joseph OConnell, CEO: sold $163K (8 sales), last Jan 22, 2026
- Eric Siemers, C-suite exec: sold $27.1K (4 sales), last Jan 22, 2026
- Russell Barton, COO: sold $29.9K (6 sales), last Jan 22, 2026
- James J. Doherty, C-suite exec: sold $15.1K (2 sales), last Jan 16, 2026
- Amy Schacterle, C-suite exec: sold $2.2K (1 sale), last Jan 16, 2026
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