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 |
|---|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | Jun 17 9:10 PM | Derrell PorterDirector | Sale | 13,040 | $2.33 | $30.3K | 35,500(D) | View → |
| Jun 16, 2026 | Jun 17 9:10 PM | Derrell PorterDirector | Sale | 12,800 | $2.33 | $29.8K | 35,500(D) | View → |
| Jun 15, 2026 | Jun 17 9:10 PM | Derrell PorterDirector | Sale | 6,460 | $2.35 | $15.1K | 48,300(D) | View → |
| Jun 17, 2026 | Jun 17 8:02 PM | DERRELL PORTER | Proposed Sale | 13,040 | $2.33 | $30.3K | — | View → |
| Jun 16, 2026 | Jun 16 9:03 PM | DERRELL PORTER | Proposed Sale | 12,800 | $2.33 | $29.8K | — | View → |
| Jun 15, 2026 | Jun 15 10:31 PM | DERRELL PORTER | Proposed Sale | 6,460 | $2.35 | $15.1K | — | View → |
| Jun 9, 2026 | Jun 10 8:51 PM | Nathan B FountainDirector | Sale | 6,400 | $2.23 | $14.3K | 48,150(D) | View → |
| Jun 9, 2026 | Jun 9 8:15 PM | NATHAN FOUNTAIN | Proposed Sale | 6,400 | $2.23 | $14.3K | — | View → |
| Mar 6, 2026 | Mar 11 1:45 AM | Derek M MeisnerChief Legal Officer & Corp Sec | Sale | 2,090 | $3.26 | $6.8K | 173,999(D) | View → |
| Mar 6, 2026 | Mar 6 9:51 PM | Meisner Derek M | Proposed Sale | 2,090 | $3.22 | $6.7K | — | View → |
| Feb 27, 2026 | Mar 4 2:42 AM | Derek M MeisnerChief Legal Officer & Corp Sec | Sale | 9,406 | $3.01 | $28.3K | 173,999(D) | View → |
| Feb 27, 2026 | Feb 27 9:54 PM | Meisner Derek M | Proposed Sale | 9,406 | $3.01 | $28.3K | — | View → |
| Jan 28, 2026 | Jan 29 12:50 AM | Derek M MeisnerChief Legal Officer & Corp Sec | Sale | 2,671 | $3.00 | $8.0K | 173,999(D) | View → |
| Jan 26, 2026 | Jan 29 12:50 AM | Derek M MeisnerChief Legal Officer & Corp Sec | Sale | 15,085 | $3.00 | $45.3K | 173,999(D) | View → |
| Jan 28, 2026 | Jan 28 9:05 PM | Meisner Derek M | Proposed Sale | 2,671 | $3.00 | $8.0K | — | View → |
| Jan 27, 2026 | Jan 26 9:52 PM | Meisner Derek M | Proposed Sale | 15,085 | $3.00 | $45.3K | — | View → |
| Jan 23, 2026 | Jan 23 11:12 PM | Derek M MeisnerChief Legal Officer & Corp Sec | Sale | 5,633 | $1.90 | $10.7K | 173,999(D) | View → |
| Jan 22, 2026 | Jan 23 11:12 PM | Derek M MeisnerChief Legal Officer & Corp Sec | Sale | 1,054 | $1.84 | $1.9K | 179,632(D) | View → |
| Jan 21, 2026 | Jan 23 11:12 PM | Derek M MeisnerChief Legal Officer & Corp Sec | Sale | 2,247 | $1.81 | $4.1K | 180,686(D) | View → |
| Jan 22, 2026 | Jan 23 11:12 PM | Eric SiemersChief Medical Officer | Sale | 895 | $1.82 | $1.6K | 255,371(D) | View → |
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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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