Acumen Pharmaceuticals, Inc.
ABOS
26 insider filings · Latest: Jun 15, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jan 9, 2026 | Jan 9 9:22 PM | Meisner Derek M | Proposed Sale | 5,200 | $1.76 | $9.2K | — | View → |
| Jan 9, 2026 | Jan 9 9:20 PM | OConnell Daniel Joseph | Proposed Sale | 12,941 | $1.76 | $22.8K | — | View → |
| Jan 8, 2026 | Jan 8 10:15 PM | Doherty James J. | Proposed Sale | 6,467 | $1.82 | $11.8K | — | View → |
| Jan 8, 2026 | Jan 8 10:02 PM | Meisner Derek M | Proposed Sale | 36,911 | $1.82 | $67.2K | — | View → |
| Jan 8, 2026 | Jan 8 9:49 PM | Barton Russell | Proposed Sale | 3,530 | $1.86 | $6.6K | — | View → |
| Jan 8, 2026 | Jan 8 9:34 PM | Zuga Matt | Proposed Sale | 6,888 | $1.82 | $12.5K | — | View → |
| Jan 8, 2026 | Jan 8 9:31 PM | OConnell Daniel Joseph | Proposed Sale | 8,143 | $1.82 | $14.8K | — | View → |
| Jan 7, 2026 | Jan 7 10:16 PM | Schacterle Amy | Proposed Sale | 1,097 | $1.98 | $2.2K | — | View → |
| Jan 7, 2026 | Jan 7 10:11 PM | Doherty James J. | Proposed Sale | 1,700 | $1.99 | $3.4K | — | View → |
| Jan 7, 2026 | Jan 7 10:08 PM | Meisner Derek M | Proposed Sale | 11,770 | $1.99 | $23.4K | — | View → |
| Jan 7, 2026 | Jan 7 10:01 PM | Barton Russell | Proposed Sale | 1,700 | $1.99 | $3.4K | — | View → |
| Jan 7, 2026 | Jan 7 9:58 PM | Zuga Matt | Proposed Sale | 5,805 | $1.99 | $11.6K | — | View → |
| Jan 7, 2026 | Jan 7 9:49 PM | OConnell Daniel Joseph | Proposed Sale | 37,755 | $1.99 | $75.0K | — | View → |
| Jan 6, 2026 | Jan 6 9:59 PM | Meisner Derek M | Proposed Sale | 10,898 | $1.97 | $21.4K | — | View → |
| Jan 5, 2026 | Jan 6 9:50 PM | Siemers Eric | Proposed Sale | 6,834 | $1.97 | $13.4K | — | View → |
| Jan 6, 2026 | Jan 6 9:47 PM | Barton Russell | Proposed Sale | 3,618 | $1.97 | $7.1K | — | View → |
| Jan 6, 2026 | Jan 6 9:43 PM | Zuga Matt | Proposed Sale | 5,100 | $1.97 | $10.0K | — | View → |
| Jan 6, 2026 | Jan 6 9:40 PM | OConnell Daniel Joseph | Proposed Sale | 5,102 | $1.97 | $10.0K | — | View → |
| Jan 5, 2026 | Jan 5 10:17 PM | Meisner Derek M | Proposed Sale | 4,000 | $1.96 | $7.8K | — | View → |
| Jan 5, 2026 | Jan 5 10:09 PM | Siemers Eric | Proposed Sale | 4,000 | $1.96 | $7.8K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | Jun 17 9:10 PM | Derrell PorterDirector | Option Exercise | 13,040 | $1.07 | 0(D) | View → |
| Jun 15, 2026 | Jun 17 9:10 PM | Derrell PorterDirector | Option Exercise | 6,460 | $1.07 | 13,040(D) | View → |
| Jun 3, 2026 | Jun 5 9:12 PM | RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner | Grant/Award | 53,250 | $2.29 | 53,250(I) | View → |
| Jun 3, 2026 | Jun 5 8:32 PM | Nathan B FountainDirector | Grant/Award | 53,250 | $2.29 | 53,250(D) | View → |
| Jun 3, 2026 | Jun 5 8:31 PM | Kimberlee C DrapkinDirector | Grant/Award | 53,250 | $2.29 | 53,250(D) | View → |
| Jun 3, 2026 | Jun 5 8:30 PM | John A Stalfort IIIDirector | Grant/Award | 53,250 | $2.29 | 53,250(D) | View → |
| Jun 3, 2026 | Jun 5 8:30 PM | Derrell PorterDirector | Grant/Award | 53,250 | $2.29 | 53,250(D) | View → |
| Jun 3, 2026 | Jun 5 8:29 PM | Jeffrey L. IvesDirector | Grant/Award | 53,250 | $2.29 | 53,250(D) | View → |
| Jun 3, 2026 | Jun 5 8:28 PM | George GolumbeskiDirector | Grant/Award | 53,250 | $2.29 | 53,250(D) | View → |
| Jun 3, 2026 | Jun 5 8:27 PM | Laura StoppelDirector | Grant/Award | 53,250 | $2.29 | 53,250(D) | View → |
| Mar 6, 2026 | Mar 11 1:45 AM | Derek M MeisnerChief Legal Officer & Corp Sec | Option Exercise | 2,090 | $1.85 | 71,048(D) | View → |
| Feb 27, 2026 | Mar 4 2:42 AM | Derek M MeisnerChief Legal Officer & Corp Sec | Option Exercise | 9,406 | $1.85 | 73,138(D) | View → |
| Jan 28, 2026 | Jan 29 12:50 AM | Derek M MeisnerChief Legal Officer & Corp Sec | Option Exercise | 2,671 | $1.85 | 82,544(D) | View → |
| Jan 26, 2026 | Jan 29 12:50 AM | Derek M MeisnerChief Legal Officer & Corp Sec | Option Exercise | 15,085 | $1.85 | 85,215(D) | View → |
| Jan 20, 2026 | Jan 21 11:32 PM | Daniel Joseph OconnellDirector, Chief Executive Officer | Grant/Award | 450,000 | $1.86 | 450,000(D) | View → |
| Jan 16, 2026 | Jan 21 11:32 PM | Matt ZugaCFO & Chief Business Officer | Grant/Award | 148,700 | $1.89 | 148,700(D) | View → |
| Jan 16, 2026 | Jan 21 11:31 PM | Derek M MeisnerChief Legal Officer & Corp Sec | Grant/Award | 148,700 | $1.89 | 148,700(D) | View → |
| Jan 16, 2026 | Jan 21 11:31 PM | Eric SiemersChief Medical Officer | Grant/Award | 148,700 | $1.89 | 148,700(D) | View → |
| Jan 16, 2026 | Jan 21 11:30 PM | Russell BartonChief Operating Officer | Grant/Award | 126,900 | $1.89 | 126,900(D) | View → |
| Jan 16, 2026 | Jan 21 11:29 PM | Amy SchacterleChief Regulatory Officer | Grant/Award | 126,900 | $1.89 | 126,900(D) | View → |
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