ABOS Acumen Pharmaceuticals, Inc.
Nasdaq · SEC CIK 1576885 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $625.6K 21 sales by 9 insiders
- Filings on record
- 120 since 2021-07-02, latest 2026-06-17 17:10
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Meisner Derek M | CLO, Corp Sec | — | $248.8K |
| OConnell Daniel Joseph | CEO, Dir | — | $163.2K |
| Porter Derrell | Dir | — | $75.2K |
| Zuga Matt | CFO, Chief Business Off | — | $49.6K |
| Barton Russell | COO | — | $30.0K |
| Siemers Eric | Chief Medical Off | — | $27.1K |
| Doherty James J. | Pres, CDO | — | $15.2K |
| Fountain Nathan B | Dir | — | $14.3K |
| Schacterle Amy | Chief Regulatory Off | — | $2,172 |
| Stoppel Laura | Dir | — | — |
Transactions 103
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-06-17 17:10 | 2026-06-15+ | ABOS | Porter Derrell | Dir | M - OptEx | $1.07 | +19.5K | 48.5K | +67% | +$20.9K |
| DM | 2026-06-17 17:10 | 2026-06-15+ | ABOS | Porter Derrell | Dir | S - Sale+OE | $2.33 | -32.3K | 35.5K | -48% | -$75.2K |
| 2026-06-10 16:51 | 2026-06-09 | ABOS | Fountain Nathan B | Dir | S - Sale | $2.23 | -6,400 | 48.1K | -12% | -$14.3K | |
| DI | 2026-06-05 17:12 | 2026-06-03 | ABOS | RA CAPITAL MANAGEMENT, L.P. | Dir, 10% | A - Grant | $0.00 | +35.5K | 48.3K | +277% | $0 |
| D | 2026-06-05 16:32 | 2026-06-03 | ABOS | Fountain Nathan B | Dir | A - Grant | $0.00 | +35.5K | 54.5K | +186% | $0 |
| D | 2026-06-05 16:31 | 2026-06-03 | ABOS | Drapkin Kimberlee C | Dir | A - Grant | $0.00 | +35.5K | 48.3K | +277% | $0 |
| D | 2026-06-05 16:30 | 2026-06-03 | ABOS | Stalfort John A III | Dir | A - Grant | $0.00 | +35.5K | 220.6K | +19% | $0 |
| D | 2026-06-05 16:30 | 2026-06-03 | ABOS | Porter Derrell | Dir | A - Grant | $0.00 | +35.5K | 48.3K | +277% | $0 |
| D | 2026-06-05 16:29 | 2026-06-03 | ABOS | Ives Jeffrey L. | Dir | A - Grant | $0.00 | +35.5K | 48.3K | +277% | $0 |
| D | 2026-06-05 16:28 | 2026-06-03 | ABOS | Golumbeski George | Dir | A - Grant | $0.00 | +35.5K | 35.5K | New | $0 |
| D | 2026-06-05 16:27 | 2026-06-03 | ABOS | Stoppel Laura | Dir | A - Grant | $0.00 | +35.5K | 48.3K | +277% | $0 |
| I | 2026-03-18 | 2026-03-16 | ABOS | Shah Rajeev M. | Dir, 10% | A - Grant | $3.30 | +6.06M | 19.10M | +46% | +$20.00M |
| D | 2026-03-10 | 2026-03-06 | ABOS | Meisner Derek M | CLO, Corp Sec | M - OptEx | $1.85 | +2,090 | 176.1K | +1% | +$3,866 |
| D | 2026-03-10 | 2026-03-06 | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale+OE | $3.26 | -2,090 | 174.0K | -1% | -$6,813 |
| D | 2026-03-03 | 2026-02-27 | ABOS | Meisner Derek M | CLO, Corp Sec | M - OptEx | $1.85 | +9,406 | 183.4K | +5% | +$17.4K |
| D | 2026-03-03 | 2026-02-27 | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale+OE | $3.01 | -9,406 | 174.0K | -5% | -$28.3K |
| DM | 2026-01-28 | 2026-01-26+ | ABOS | Meisner Derek M | CLO, Corp Sec | M - OptEx | $1.85 | +17.8K | 189.1K | +10% | +$32.8K |
| DM | 2026-01-28 | 2026-01-26+ | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale+OE | $3.00 | -17.8K | 174.0K | -9% | -$53.3K |
| M | 2026-01-23 | 2026-01-21+ | ABOS | Barton Russell | COO | S - Sale | $1.81 | -2,777 | 205.1K | -1% | -$5,040 |
| M | 2026-01-23 | 2026-01-21+ | ABOS | OConnell Daniel Joseph | CEO, Dir | S - Sale | $1.83 | -12.0K | 881.3K | -1% | -$22.0K |
| M | 2026-01-23 | 2026-01-21+ | ABOS | Zuga Matt | CFO, Chief Business Off | S - Sale | $1.83 | -4,160 | 304.9K | -1% | -$7,614 |
| M | 2026-01-23 | 2026-01-21+ | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale | $1.87 | -8,934 | 174.0K | -5% | -$16.7K |
| M | 2026-01-23 | 2026-01-21+ | ABOS | Siemers Eric | Chief Medical Off | S - Sale | $1.81 | -3,226 | 256.3K | -1% | -$5,825 |
| D | 2026-01-21 | 2026-01-16 | ABOS | Zuga Matt | CFO, Chief Business Off | A - Grant | $0.00 | +99.1K | 309.1K | +47% | $0 |
| D | 2026-01-21 | 2026-01-20 | ABOS | OConnell Daniel Joseph | CEO, Dir | A - Grant | $0.00 | +299.8K | 893.3K | +51% | $0 |
| D | 2026-01-21 | 2026-01-16 | ABOS | Meisner Derek M | CLO, Corp Sec | A - Grant | $0.00 | +99.1K | 182.9K | +118% | $0 |
| D | 2026-01-21 | 2026-01-16 | ABOS | Siemers Eric | Chief Medical Off | A - Grant | $0.00 | +99.1K | 258.6K | +62% | $0 |
| D | 2026-01-21 | 2026-01-16 | ABOS | Schacterle Amy | Chief Regulatory Off | A - Grant | $0.00 | +84.6K | 92.3K | +1,098% | $0 |
| D | 2026-01-21 | 2026-01-16 | ABOS | Barton Russell | COO | A - Grant | $0.00 | +84.6K | 207.9K | +69% | $0 |
| D | 2026-01-21 | 2026-01-16 | ABOS | Doherty James J. | Pres, CDO | A - Grant | $0.00 | +166.9K | 220.9K | +309% | $0 |
| M | 2026-01-12 | 2026-01-08+ | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale | $1.80 | -50.7K | 127.6K | -28% | -$90.9K |
| 2026-01-12 | 2026-01-08 | ABOS | Zuga Matt | CFO, Chief Business Off | S - Sale | $1.82 | -6,888 | 210.0K | -3% | -$12.5K | |
| 2026-01-12 | 2026-01-08 | ABOS | Barton Russell | COO | S - Sale | $1.86 | -3,530 | 123.3K | -3% | -$6,566 | |
| M | 2026-01-12 | 2026-01-08+ | ABOS | OConnell Daniel Joseph | CEO, Dir | S - Sale | $1.77 | -26.5K | 598.9K | -4% | -$46.9K |
| 2026-01-09 | 2026-01-07 | ABOS | Schacterle Amy | Chief Regulatory Off | S - Sale | $1.98 | -1,097 | 7,703 | -12% | -$2,172 | |
| M | 2026-01-09 | 2026-01-07+ | ABOS | Doherty James J. | Pres, CDO | S - Sale | $1.86 | -8,167 | 54.0K | -13% | -$15.2K |
| M | 2026-01-07 | 2026-01-05+ | ABOS | Barton Russell | COO | S - Sale | $1.97 | -9,318 | 128.5K | -7% | -$18.4K |
| M | 2026-01-07 | 2026-01-05+ | ABOS | Siemers Eric | Chief Medical Off | S - Sale | $1.97 | -10.8K | 166.3K | -6% | -$21.3K |
| M | 2026-01-07 | 2026-01-05+ | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale | $1.98 | -26.7K | 144.5K | -16% | -$52.7K |
| M | 2026-01-07 | 2026-01-05+ | ABOS | Zuga Matt | CFO, Chief Business Off | S - Sale | $1.98 | -14.9K | 222.6K | -6% | -$29.5K |
| M | 2026-01-07 | 2026-01-05+ | ABOS | OConnell Daniel Joseph | CEO, Dir | S - Sale | $1.99 | -47.5K | 662.8K | -7% | -$94.3K |
| D | 2025-06-05 | 2025-06-04 | ABOS | Stalfort John A III | Dir | A - Grant | $0.00 | +12.8K | 185.1K | +7% | $0 |
| D | 2025-06-05 | 2025-06-04 | ABOS | Drapkin Kimberlee C | Dir | A - Grant | $0.00 | +12.8K | 12.8K | New | $0 |
| D | 2025-06-05 | 2025-06-04 | ABOS | Stoppel Laura | Dir | A - Grant | $0.00 | +12.8K | 12.8K | New | $0 |
| D | 2025-06-05 | 2025-06-04 | ABOS | Porter Derrell | Dir | A - Grant | $0.00 | +12.8K | 12.8K | New | $0 |
| D | 2025-06-05 | 2025-06-04 | ABOS | Ives Jeffrey L. | Dir | A - Grant | $0.00 | +12.8K | 12.8K | New | $0 |
| DI | 2025-06-05 | 2025-06-04 | ABOS | RA Capital Healthcare Fund LP | Dir, 10% | A - Grant | $0.00 | +12.8K | 12.8K | New | $0 |
| D | 2025-06-05 | 2025-06-04 | ABOS | Fountain Nathan B | Dir | A - Grant | $0.00 | +12.8K | 19.1K | +205% | $0 |
| 2025-01-23 | 2025-01-21 | ABOS | OConnell Daniel Joseph | CEO, Dir | S - Sale | $1.59 | -12.6K | 667.5K | -2% | -$20.1K | |
| 2025-01-23 | 2025-01-21 | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale | $1.59 | -3,418 | 161.1K | -2% | -$5,435 | |
| 2025-01-23 | 2025-01-21 | ABOS | Barton Russell | COO | S - Sale | $1.61 | -2,914 | 136.1K | -2% | -$4,692 | |
| 2025-01-23 | 2025-01-21 | ABOS | Siemers Eric | Chief Medical Off | S - Sale | $1.59 | -3,219 | 170.3K | -2% | -$5,118 | |
| M | 2025-01-23 | 2025-01-21+ | ABOS | Zuga Matt | CFO, Chief Business Off | S - Sale | $1.70 | -33.3K | 231.7K | -13% | -$56.7K |
| D | 2025-01-07 | 2025-01-06 | ABOS | Schacterle Amy | Chief Regulatory Off | A - Grant | $0.00 | +8,800 | 8,800 | New | $0 |
| D | 2025-01-07 | 2025-01-03 | ABOS | Siemers Eric | Chief Medical Off | S - Sale | $1.85 | -10.9K | 106.7K | -9% | -$20.1K |
| D | 2025-01-07 | 2025-01-06 | ABOS | Siemers Eric | Chief Medical Off | A - Grant | $0.00 | +66.8K | 173.5K | +63% | $0 |
| D | 2025-01-07 | 2025-01-07 | ABOS | OConnell Daniel Joseph | CEO, Dir | A - Grant | $0.00 | +225.4K | 680.1K | +50% | $0 |
| D | 2025-01-07 | 2025-01-03 | ABOS | OConnell Daniel Joseph | CEO, Dir | S - Sale | $1.84 | -47.8K | 454.7K | -10% | -$87.9K |
| D | 2025-01-07 | 2025-01-06 | ABOS | Doherty James J. | Pres, CDO | A - Grant | $0.00 | +62.6K | 62.6K | New | $0 |
| D | 2025-01-07 | 2025-01-03 | ABOS | Zuga Matt | CFO, Chief Business Off | S - Sale | $1.84 | -13.2K | 198.2K | -6% | -$24.4K |
| D | 2025-01-07 | 2025-01-06 | ABOS | Zuga Matt | CFO, Chief Business Off | A - Grant | $0.00 | +66.8K | 265.0K | +34% | $0 |
| D | 2025-01-07 | 2025-01-06 | ABOS | Meisner Derek M | CLO, Corp Sec | A - Grant | $0.00 | +66.8K | 164.5K | +68% | $0 |
| D | 2025-01-07 | 2025-01-03 | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale | $1.84 | -11.1K | 97.7K | -10% | -$20.5K |
| D | 2025-01-07 | 2025-01-06 | ABOS | Barton Russell | COO | A - Grant | $0.00 | +49.8K | 139.0K | +56% | $0 |
| D | 2025-01-07 | 2025-01-03 | ABOS | Barton Russell | COO | S - Sale | $1.86 | -7,636 | 89.2K | -8% | -$14.2K |
| 2024-01-19 | 2024-01-18 | ABOS | Siemers Eric | Chief Medical Off | S - Sale | $3.71 | -3,124 | 117.6K | -3% | -$11.6K | |
| 2024-01-19 | 2024-01-18 | ABOS | Barton Russell | COO | S - Sale | $3.73 | -2,833 | 96.9K | -3% | -$10.6K | |
| 2024-01-19 | 2024-01-19 | ABOS | Meisner Derek M | CLO, Corp Sec | S - Sale | $3.48 | -8,933 | 108.9K | -8% | -$31.1K | |
| 2024-01-19 | 2024-01-18 | ABOS | Zuga Matt | CFO, Chief Business Off | S - Sale | $3.71 | -4,242 | 211.4K | -2% | -$15.7K | |
| 2024-01-19 | 2024-01-19 | ABOS | OConnell Daniel Joseph | Pres, CEO, Dir | S - Sale | $3.47 | -15.2K | 502.5K | -3% | -$52.7K | |
| D | 2024-01-04 | 2024-01-02 | ABOS | OConnell Daniel Joseph | Pres, CEO, Dir | A - Grant | $0.00 | +401.0K | 517.7K | +344% | $0 |
| D | 2024-01-04 | 2024-01-02 | ABOS | Meisner Derek M | CLO, Corp Sec | A - Grant | $0.00 | +91.0K | 117.8K | +340% | $0 |
| D | 2024-01-04 | 2024-01-02 | ABOS | Zuga Matt | CFO, Chief Business Off | A - Grant | $0.00 | +106.0K | 215.7K | +97% | $0 |
| D | 2024-01-04 | 2024-01-02 | ABOS | Barton Russell | COO | A - Grant | $0.00 | +73.0K | 99.7K | +273% | $0 |
| D | 2024-01-04 | 2024-01-02 | ABOS | Siemers Eric | Chief Medical Off | A - Grant | $0.00 | +94.0K | 120.7K | +352% | $0 |
| DM | 2023-08-18 | 2023-08-17 | ABOS | Ives Jeffrey L. | Dir | S - Sale+OE | $6.49 | -41.9K | 0 | -100% | -$272.3K |
| DM | 2023-08-18 | 2023-08-17 | ABOS | Ives Jeffrey L. | Dir | M - OptEx | $0.7514 | +41.9K | 2,800 | New | +$31.5K |
| I | 2023-07-25 | 2023-07-21 | ABOS | RA CAPITAL MANAGEMENT, L.P. | Dir, 10% | P - Purchase | $7.75 | +5.16M | 13.04M | +65% | +$40.00M |
| D | 2023-01-18 | 2023-01-17 | ABOS | Siemers Eric | Chief Medical Off | A - Grant | $0.00 | +26.7K | 26.7K | New | $0 |
| D | 2023-01-18 | 2023-01-17 | ABOS | Barton Russell | COO | A - Grant | $0.00 | +26.7K | 26.7K | New | $0 |
| D | 2023-01-18 | 2023-01-17 | ABOS | Meisner Derek M | Chief Legal Office, Corp Sec | A - Grant | $0.00 | +26.8K | 26.8K | New | $0 |
| D | 2023-01-18 | 2023-01-17 | ABOS | Zuga Matt | CFO, Chief Business Off | A - Grant | $0.00 | +33.5K | 109.7K | +44% | $0 |
| D | 2023-01-18 | 2023-01-17 | ABOS | OConnell Daniel Joseph | Pres, CEO, Dir | A - Grant | $0.00 | +114.0K | 116.7K | +4,246% | $0 |
| D | 2023-01-03 | 2022-12-29 | ABOS | Zuga Matt | CFO, Chief Business Off | M - OptEx | $1.19 | +50.0K | 76.2K | +191% | +$59.5K |
| D | 2021-12-02 | 2021-11-30 | ABOS | OConnell Daniel Joseph | Pres, CEO, Dir | M - OptEx | $4.47 | +1,118 | 2,685 | +71% | +$4,997 |
| 2021-07-08 | 2021-07-06 | ABOS | Fountain Nathan B | Dir | P - Purchase | $16.00 | +6,250 | 6,250 | New | +$100.0K | |
| DMI | 2021-07-08 | 2021-07-06 | ABOS | Hardie Robert D. | 10% | C - Cnv Deriv | — | +3.20M | 3.20M | New | — |
| DI | 2021-07-08 | 2021-07-06 | ABOS | Hardie Robert D. | 10% | P - Purchase | $16.00 | +750.0K | 3.95M | +23% | +$12.00M |
| DMI | 2021-07-08 | 2021-07-06 | ABOS | Shah Rajeev M. | Dir, 10% | P - Purchase | $16.00 | +1.88M | 7.88M | +31% | +$30.00M |
| DMI | 2021-07-08 | 2021-07-06 | ABOS | Shah Rajeev M. | Dir, 10% | C - Cnv Deriv | — | +7.90M | 588.9K | New | — |
| DM | 2021-07-08 | 2021-07-06 | ABOS | SANDS FRANK M. | 10% | C - Cnv Deriv | — | +2.97M | 1.12M | New | — |
| D | 2021-07-08 | 2021-07-06 | ABOS | SANDS FRANK M. | 10% | P - Purchase | $14.88 | +450.0K | 3.42M | +15% | +$6.70M |
| DI | 2021-07-08 | 2021-07-06 | ABOS | Hardie Robert D. | 10% | P - Purchase | $16.00 | +312.5K | 3.35M | +10% | +$5.00M |
| DMI | 2021-07-08 | 2021-07-06 | ABOS | Hardie Robert D. | 10% | C - Cnv Deriv | — | +3.61M | 658.0K | New | — |
| D | 2021-07-08 | 2021-07-06 | ABOS | OConnell Daniel Joseph | Pres, CEO, Dir | X - OptEx | $4.47 | +35 | 1,577 | +2% | +$156.45 |
| D | 2021-07-08 | 2021-07-06 | ABOS | OConnell Daniel Joseph | Pres, CEO, Dir | C - Cnv Deriv | — | +123 | 1,542 | +9% | — |
| D | 2021-07-08 | 2021-07-06 | ABOS | OConnell Daniel Joseph | Pres, CEO, Dir | F - Tax | $16.00 | -10 | 1,567 | -0.6% | -$160 |
| D | 2021-07-08 | 2021-07-06 | ABOS | Stalfort John A III | Dir | C - Cnv Deriv | — | +130.2K | 137.3K | +1,822% | — |
| DI | 2021-07-08 | 2021-07-06 | ABOS | Stalfort John A III | Dir | C - Cnv Deriv | — | +131.6K | 131.6K | New | — |
| D | 2021-07-08 | 2021-07-06 | ABOS | Stalfort John A III | Dir | P - Purchase | $16.00 | +35.0K | 172.3K | +25% | +$560.0K |
Purchase Sale Sale after option exercise All abbreviations