ABOS
insider transactionsAcumen Pharmaceuticals, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-305.1K
0 buy · 305.1K sell
Net value · 365d
-$625.4K
$0 in · $625.4K out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
48
0 buy · 305.1K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Exercise·M
Director
$0
13.0K sh
Own New
-
Sell·S
Director
$30.3K
13.0K sh · $2.33
Own -27%
-
Exercise·M
Director
$14.0K
13.0K sh · $1.07
Own +37%
-
Sell·S
Director
$29.8K
12.8K sh · $2.33
Own -27%
-
Exercise·M
Director
$0
6.5K sh
Own +98%
-
Sell·S
Director
$15.1K
6.5K sh · $2.35
Own -12%
-
Exercise·M
Director
$6.9K
6.5K sh · $1.07
Own +13%
-
Sell·S
Director
$14.3K
6.4K sh · $2.23
Own -12%
-
Grant·A
Director
$0
53.2K sh
Own New
-
Grant·A
Director
$0
35.5K sh
Own +186%
-
Grant·A
Director
$0
53.2K sh
Own New
-
Grant·A
Director
$0
35.5K sh
Own +277%
-
Grant·A
Director
$0
53.2K sh
Own New
-
Grant·A
Director
$0
35.5K sh
Own +19%
-
Grant·A
Director
$0
53.2K sh
Own New
-
Grant·A
Director
$0
35.5K sh
Own +277%
-
Grant·A
Director
$0
53.2K sh
Own New
-
Grant·A
Director
$0
35.5K sh
Own +277%
-
Grant·A
Director
$0
53.2K sh
Own New
-
Grant·A
Director
$0
35.5K sh
Own New
-
Grant·A
Director
$0
53.2K sh
Own New
-
Grant·A
Director
$0
35.5K sh
Own +277%
-
Grant·A
Director, 10% Owner
$0
53.2K sh
Own New
-
Grant·A
Director, 10% Owner
$0
35.5K sh
Own +277%
-
Grant·A
Director, 10% Owner
$20.0M
6.1M sh · $3.30
Own +46%
-
Exercise·M
Chief Legal Officer & Corp Sec · 10b5-1
$0
2.1K sh
Own +3%
-
Sell·S
Chief Legal Officer & Corp Sec · 10b5-1
$6.8K
2.1K sh · $3.26
Own -1%
-
Exercise·M
Chief Legal Officer & Corp Sec · 10b5-1
$3.9K
2.1K sh · $1.85
Own +1%
-
Exercise·M
Chief Legal Officer & Corp Sec · 10b5-1
$0
9.4K sh
Own +15%
-
Sell·S
Chief Legal Officer & Corp Sec · 10b5-1
$28.3K
9.4K sh · $3.01
Own -5%
-
Exercise·M
Chief Legal Officer & Corp Sec · 10b5-1
$17.4K
9.4K sh · $1.85
Own +5%
-
Exercise·M
Chief Legal Officer & Corp Sec · 10b5-1
$0
2.7K sh
Own +3%
-
Sell·S
Chief Legal Officer & Corp Sec · 10b5-1
$8.0K
2.7K sh · $3.00
Own -2%
-
Exercise·M
Chief Legal Officer & Corp Sec · 10b5-1
$4.9K
2.7K sh · $1.85
Own +2%
-
Exercise·M
Chief Legal Officer & Corp Sec · 10b5-1
$0
15.1K sh
Own +22%
-
Sell·S
Chief Legal Officer & Corp Sec · 10b5-1
$45.3K
15.1K sh · $3.00
Own -8%
-
Exercise·M
Chief Legal Officer & Corp Sec · 10b5-1
$27.9K
15.1K sh · $1.85
Own +9%
-
Sell·S
Chief Legal Officer & Corp Sec
$10.7K
5.6K sh · $1.90
Own -3%
-
Sell·S
Chief Legal Officer & Corp Sec
$1.9K
1.1K sh · $1.84
Own -1%
-
Sell·S
Chief Medical Officer
$1.6K
895 sh · $1.82
Own -0%
-
Sell·S
Matt Zuga KEY
CFO & Chief Business Officer
$3.1K
1.7K sh · $1.86
Own -1%
-
Sell·S
Chief Executive Officer
$5.1K
2.7K sh · $1.88
Own -0%
-
Sell·S
Chief Operating Officer
$850
462 sh · $1.84
Own -0%
-
Sell·S
Chief Legal Officer & Corp Sec
$4.1K
2.2K sh · $1.81
Own -1%
-
Sell·S
Chief Medical Officer
$4.2K
2.3K sh · $1.80
Own -1%
-
Sell·S
Matt Zuga KEY
CFO & Chief Business Officer
$4.5K
2.5K sh · $1.81
Own -1%
-
Sell·S
Chief Executive Officer
$16.9K
9.3K sh · $1.81
Own -1%
-
Sell·S
Chief Operating Officer
$4.2K
2.3K sh · $1.81
Own -1%
-
Grant·A
Chief Executive Officer
$0
450.0K sh
Own New
-
Grant·A
Chief Executive Officer
$0
299.8K sh
Own +51%
-
Grant·A
Matt Zuga KEY
CFO & Chief Business Officer
$0
148.7K sh
Own New
-
Grant·A
Matt Zuga KEY
CFO & Chief Business Officer
$0
99.1K sh
Own +47%
-
Grant·A
Chief Legal Officer & Corp Sec
$0
148.7K sh
Own New
-
Grant·A
Chief Legal Officer & Corp Sec
$0
99.1K sh
Own +118%
-
Grant·A
Chief Medical Officer
$0
148.7K sh
Own New
-
Grant·A
Chief Medical Officer
$0
99.1K sh
Own +62%
-
Grant·A
Chief Operating Officer
$0
126.9K sh
Own New
-
Grant·A
Chief Operating Officer
$0
84.6K sh
Own +69%
-
Grant·A
Chief Regulatory Officer
$0
126.9K sh
Own New
-
Grant·A
Chief Regulatory Officer
$0
84.6K sh
Own +1098%
-
Grant·A
James J. Doherty KEY
President and CDO
$0
250.3K sh
Own New
-
Grant·A
James J. Doherty KEY
President and CDO
$0
166.9K sh
Own +309%
-
Sell·S
Chief Legal Officer & Corp Sec
$14.7K
8.5K sh · $1.71
Own -9%
-
Sell·S
Chief Executive Officer
$9.3K
5.4K sh · $1.73
Own -1%
-
Sell·S
Chief Legal Officer & Corp Sec
$9.2K
5.2K sh · $1.76
Own -5%
-
Sell·S
Chief Executive Officer
$22.8K
12.9K sh · $1.76
Own -2%
-
Sell·S
James J. Doherty KEY
President and CDO
$11.8K
6.5K sh · $1.82
Own -11%
-
Sell·S
Matt Zuga KEY
CFO & Chief Business Officer
$12.5K
6.9K sh · $1.82
Own -3%
-
Sell·S
Chief Operating Officer
$6.6K
3.5K sh · $1.86
Own -3%
-
Sell·S
Chief Legal Officer & Corp Sec
$54.9K
30.1K sh · $1.82
Own -24%
-
Sell·S
Chief Legal Officer & Corp Sec
$12.4K
6.8K sh · $1.82
Own -5%
-
Sell·S
Chief Executive Officer
$14.8K
8.1K sh · $1.82
Own -1%
-
Sell·S
Matt Zuga KEY
CFO & Chief Business Officer
$3.4K
1.7K sh · $1.99
Own -1%
-
Sell·S
Matt Zuga KEY
CFO & Chief Business Officer
$8.2K
4.1K sh · $2.00
Own -2%
-
Sell·S
Chief Executive Officer
$75.0K
37.8K sh · $1.99
Own -6%
-
Sell·S
Chief Legal Officer & Corp Sec
$20.0K
10.1K sh · $1.99
Own -7%
-
Sell·S
Chief Legal Officer & Corp Sec
$3.4K
1.7K sh · $1.99
Own -1%
-
Sell·S
Chief Operating Officer
$3.4K
1.7K sh · $1.99
Own -1%
-
Sell·S
James J. Doherty KEY
President and CDO
$3.4K
1.7K sh · $1.99
Own -3%
-
Sell·S
Chief Regulatory Officer
$2.2K
1.1K sh · $1.98
Own -12%
-
Sell·S
Matt Zuga KEY
CFO & Chief Business Officer
$10.0K
5.1K sh · $1.97
Own -2%
-
Sell·S
Chief Medical Officer
$13.4K
6.8K sh · $1.97
Own -4%
-
Sell·S
Chief Executive Officer
$10.0K
5.1K sh · $1.97
Own -1%
-
Sell·S
Chief Legal Officer & Corp Sec
$7.5K
3.8K sh · $1.97
Own -3%
-
Sell·S
Chief Legal Officer & Corp Sec
$14.0K
7.1K sh · $1.97
Own -5%
-
Sell·S
Chief Operating Officer
$7.1K
3.6K sh · $1.97
Own -3%
-
Sell·S
Matt Zuga KEY
CFO & Chief Business Officer
$7.8K
4.0K sh · $1.96
Own -2%
-
Sell·S
Chief Medical Officer
$7.8K
4.0K sh · $1.96
Own -2%
-
Sell·S
Chief Executive Officer
$9.2K
4.6K sh · $1.97
Own -1%
-
Sell·S
Chief Legal Officer & Corp Sec
$7.8K
4.0K sh · $1.96
Own -2%
-
Sell·S
Chief Operating Officer
$7.8K
4.0K sh · $1.96
Own -3%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 17, 2026 | Derrell Porter | Exercise M | 13.0K | $0 |
| Jun 17, 2026 | Derrell Porter | Sell S | 13.0K | $30.3K |
| Jun 17, 2026 | Derrell Porter | Exercise M | 13.0K | $14.0K |
| Jun 16, 2026 | Derrell Porter | Sell S | 12.8K | $29.8K |
| Jun 15, 2026 | Derrell Porter | Exercise M | 6.5K | $0 |
| Jun 15, 2026 | Derrell Porter | Sell S | 6.5K | $15.1K |
| Jun 15, 2026 | Derrell Porter | Exercise M | 6.5K | $6.9K |
| Jun 9, 2026 | Nathan B Fountain | Sell S | 6.4K | $14.3K |
| Jun 3, 2026 | Nathan B Fountain | Grant A | 53.2K | $0 |
| Jun 3, 2026 | Nathan B Fountain | Grant A | 35.5K | $0 |
| Jun 3, 2026 | Kimberlee C Drapkin | Grant A | 53.2K | $0 |
| Jun 3, 2026 | Kimberlee C Drapkin | Grant A | 35.5K | $0 |
| Jun 3, 2026 | John A Stalfort III | Grant A | 53.2K | $0 |
| Jun 3, 2026 | John A Stalfort III | Grant A | 35.5K | $0 |
| Jun 3, 2026 | Derrell Porter | Grant A | 53.2K | $0 |
| Jun 3, 2026 | Derrell Porter | Grant A | 35.5K | $0 |
| Jun 3, 2026 | Jeffrey L. Ives | Grant A | 53.2K | $0 |
| Jun 3, 2026 | Jeffrey L. Ives | Grant A | 35.5K | $0 |
| Jun 3, 2026 | George Golumbeski | Grant A | 53.2K | $0 |
| Jun 3, 2026 | George Golumbeski | Grant A | 35.5K | $0 |
| Jun 3, 2026 | Laura Stoppel | Grant A | 53.2K | $0 |
| Jun 3, 2026 | Laura Stoppel | Grant A | 35.5K | $0 |
| Jun 3, 2026 | RA CAPITAL MANAGEMENT, L.P. / RA Capital Healthcare Fund LP / RA Capital Nexus Fund II, L.P. / Peter Kolchinsky / Rajeev M. Shah | Grant A | 53.2K | $0 |
| Jun 3, 2026 | RA CAPITAL MANAGEMENT, L.P. / RA Capital Healthcare Fund LP / RA Capital Nexus Fund II, L.P. / Peter Kolchinsky / Rajeev M. Shah | Grant A | 35.5K | $0 |
| Mar 16, 2026 | RA CAPITAL MANAGEMENT, L.P. / RA Capital Healthcare Fund LP / RA Capital Nexus Fund II, L.P. / Peter Kolchinsky / Rajeev M. Shah | Grant A | 6.1M | $20.0M |
| Mar 6, 2026 | Derek M Meisner 10b5-1 | Exercise M | 2.1K | $0 |
| Mar 6, 2026 | Derek M Meisner 10b5-1 | Sell S | 2.1K | $6.8K |
| Mar 6, 2026 | Derek M Meisner 10b5-1 | Exercise M | 2.1K | $3.9K |
| Feb 27, 2026 | Derek M Meisner 10b5-1 | Exercise M | 9.4K | $0 |
| Feb 27, 2026 | Derek M Meisner 10b5-1 | Sell S | 9.4K | $28.3K |
| Feb 27, 2026 | Derek M Meisner 10b5-1 | Exercise M | 9.4K | $17.4K |
| Jan 28, 2026 | Derek M Meisner 10b5-1 | Exercise M | 2.7K | $0 |
| Jan 28, 2026 | Derek M Meisner 10b5-1 | Sell S | 2.7K | $8.0K |
| Jan 28, 2026 | Derek M Meisner 10b5-1 | Exercise M | 2.7K | $4.9K |
| Jan 26, 2026 | Derek M Meisner 10b5-1 | Exercise M | 15.1K | $0 |
| Jan 26, 2026 | Derek M Meisner 10b5-1 | Sell S | 15.1K | $45.3K |
| Jan 26, 2026 | Derek M Meisner 10b5-1 | Exercise M | 15.1K | $27.9K |
| Jan 23, 2026 | Derek M Meisner | Sell S | 5.6K | $10.7K |
| Jan 22, 2026 | Derek M Meisner | Sell S | 1.1K | $1.9K |
| Jan 22, 2026 | Eric Siemers | Sell S | 895 | $1.6K |
| Jan 22, 2026 | Matt Zuga KEY | Sell S | 1.7K | $3.1K |
| Jan 22, 2026 | Daniel Joseph Oconnell KEY | Sell S | 2.7K | $5.1K |
| Jan 22, 2026 | Russell Barton | Sell S | 462 | $850 |
| Jan 21, 2026 | Derek M Meisner | Sell S | 2.2K | $4.1K |
| Jan 21, 2026 | Eric Siemers | Sell S | 2.3K | $4.2K |
| Jan 21, 2026 | Matt Zuga KEY | Sell S | 2.5K | $4.5K |
| Jan 21, 2026 | Daniel Joseph Oconnell KEY | Sell S | 9.3K | $16.9K |
| Jan 21, 2026 | Russell Barton | Sell S | 2.3K | $4.2K |
| Jan 20, 2026 | Daniel Joseph Oconnell KEY | Grant A | 450.0K | $0 |
| Jan 20, 2026 | Daniel Joseph Oconnell KEY | Grant A | 299.8K | $0 |
| Jan 16, 2026 | Matt Zuga KEY | Grant A | 148.7K | $0 |
| Jan 16, 2026 | Matt Zuga KEY | Grant A | 99.1K | $0 |
| Jan 16, 2026 | Derek M Meisner | Grant A | 148.7K | $0 |
| Jan 16, 2026 | Derek M Meisner | Grant A | 99.1K | $0 |
| Jan 16, 2026 | Eric Siemers | Grant A | 148.7K | $0 |
| Jan 16, 2026 | Eric Siemers | Grant A | 99.1K | $0 |
| Jan 16, 2026 | Russell Barton | Grant A | 126.9K | $0 |
| Jan 16, 2026 | Russell Barton | Grant A | 84.6K | $0 |
| Jan 16, 2026 | Amy Schacterle | Grant A | 126.9K | $0 |
| Jan 16, 2026 | Amy Schacterle | Grant A | 84.6K | $0 |
| Jan 16, 2026 | James J. Doherty KEY | Grant A | 250.3K | $0 |
| Jan 16, 2026 | James J. Doherty KEY | Grant A | 166.9K | $0 |
| Jan 12, 2026 | Derek M Meisner | Sell S | 8.5K | $14.7K |
| Jan 12, 2026 | Daniel Joseph Oconnell KEY | Sell S | 5.4K | $9.3K |
| Jan 9, 2026 | Derek M Meisner | Sell S | 5.2K | $9.2K |
| Jan 9, 2026 | Daniel Joseph Oconnell KEY | Sell S | 12.9K | $22.8K |
| Jan 8, 2026 | James J. Doherty KEY | Sell S | 6.5K | $11.8K |
| Jan 8, 2026 | Matt Zuga KEY | Sell S | 6.9K | $12.5K |
| Jan 8, 2026 | Russell Barton | Sell S | 3.5K | $6.6K |
| Jan 8, 2026 | Derek M Meisner | Sell S | 30.1K | $54.9K |
| Jan 8, 2026 | Derek M Meisner | Sell S | 6.8K | $12.4K |
| Jan 8, 2026 | Daniel Joseph Oconnell KEY | Sell S | 8.1K | $14.8K |
| Jan 7, 2026 | Matt Zuga KEY | Sell S | 1.7K | $3.4K |
| Jan 7, 2026 | Matt Zuga KEY | Sell S | 4.1K | $8.2K |
| Jan 7, 2026 | Daniel Joseph Oconnell KEY | Sell S | 37.8K | $75.0K |
| Jan 7, 2026 | Derek M Meisner | Sell S | 10.1K | $20.0K |
| Jan 7, 2026 | Derek M Meisner | Sell S | 1.7K | $3.4K |
| Jan 7, 2026 | Russell Barton | Sell S | 1.7K | $3.4K |
| Jan 7, 2026 | James J. Doherty KEY | Sell S | 1.7K | $3.4K |
| Jan 7, 2026 | Amy Schacterle | Sell S | 1.1K | $2.2K |
| Jan 6, 2026 | Matt Zuga KEY | Sell S | 5.1K | $10.0K |
| Jan 6, 2026 | Eric Siemers | Sell S | 6.8K | $13.4K |
| Jan 6, 2026 | Daniel Joseph Oconnell KEY | Sell S | 5.1K | $10.0K |
| Jan 6, 2026 | Derek M Meisner | Sell S | 3.8K | $7.5K |
| Jan 6, 2026 | Derek M Meisner | Sell S | 7.1K | $14.0K |
| Jan 6, 2026 | Russell Barton | Sell S | 3.6K | $7.1K |
| Jan 5, 2026 | Matt Zuga KEY | Sell S | 4.0K | $7.8K |
| Jan 5, 2026 | Eric Siemers | Sell S | 4.0K | $7.8K |
| Jan 5, 2026 | Daniel Joseph Oconnell KEY | Sell S | 4.6K | $9.2K |
| Jan 5, 2026 | Derek M Meisner | Sell S | 4.0K | $7.8K |
| Jan 5, 2026 | Russell Barton | Sell S | 4.0K | $7.8K |
About ABOS insider trading
This page tracks insider transactions for Acumen Pharmaceuticals, Inc. (ABOS) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.