ABOS insider transaction filings

Acumen Pharmaceuticals, Inc. — 45 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-06-17. Screen ABOS transaction legs live →

FiledFormInsiderReported transactionsSource
2026-06-174Porter Derrell — DirectorOption exercise (M): 6,460 @ $1.07 · Sale (S): 6,460 @ $2.35 · Sale (S): 12,800 @ $2.33 · Option exercise (M): 13,040 @ $1.07 · Sale (S): 13,040 @ $2.33 · Option exercise (M): 6,460 (derivative) @ $0 · +1 moreEDGAR
2026-06-104Fountain Nathan B — DirectorSale (S): 6,400 @ $2.23EDGAR
2026-06-054Fountain Nathan B — DirectorGrant/award (A): 35,500 @ $0 · Grant/award (A): 53,250 (derivative) @ $0EDGAR
2026-06-054Stalfort John A III — DirectorGrant/award (A): 35,500 @ $0 · Grant/award (A): 53,250 (derivative) @ $0EDGAR
2026-06-054Porter Derrell — DirectorGrant/award (A): 35,500 @ $0 · Grant/award (A): 53,250 (derivative) @ $0EDGAR
2026-06-054Ives Jeffrey L. — DirectorGrant/award (A): 35,500 @ $0 · Grant/award (A): 53,250 (derivative) @ $0EDGAR
2026-06-054Golumbeski George — DirectorGrant/award (A): 35,500 @ $0 · Grant/award (A): 53,250 (derivative) @ $0EDGAR
2026-06-054Stoppel Laura — DirectorGrant/award (A): 35,500 @ $0 · Grant/award (A): 53,250 (derivative) @ $0EDGAR
2026-06-054Drapkin Kimberlee C — DirectorGrant/award (A): 35,500 @ $0 · Grant/award (A): 53,250 (derivative) @ $0EDGAR
2026-06-054RA CAPITAL MANAGEMENT, L.P. — Director, 10% owner
RA Capital Healthcare Fund LP — Director, 10% owner
RA Capital Nexus Fund II, L.P. — Director
Kolchinsky Peter — Director, 10% owner
Shah Rajeev M. — Director, 10% owner
Grant/award (A): 35,500 @ $0 · Grant/award (A): 53,250 (derivative) @ $0EDGAR
2026-03-184RA CAPITAL MANAGEMENT, L.P. — Director, 10% owner
RA Capital Healthcare Fund LP — Director, 10% owner
RA Capital Nexus Fund II, L.P. — Director
Kolchinsky Peter — Director, 10% owner
Shah Rajeev M. — Director, 10% owner
Grant/award (A): 6,060,606 @ $3.30EDGAR
2026-03-104Meisner Derek M — Chief Legal Officer & Corp SecOption exercise (M): 2,090 @ $1.85 · Sale (S): 2,090 @ $3.26 · Option exercise (M): 2,090 (derivative) @ $0EDGAR
2026-03-034Meisner Derek M — Chief Legal Officer & Corp SecOption exercise (M): 9,406 @ $1.85 · Sale (S): 9,406 @ $3.01 · Option exercise (M): 9,406 (derivative) @ $0EDGAR
2026-01-284Meisner Derek M — Chief Legal Officer & Corp SecOption exercise (M): 15,085 @ $1.85 · Sale (S): 15,085 @ $3.00 · Option exercise (M): 2,671 @ $1.85 · Sale (S): 2,671 @ $3.00 · Option exercise (M): 15,085 (derivative) @ $0 · Option exercise (M): 2,671 (derivative) @ $0EDGAR
2026-01-234Meisner Derek M — Chief Legal Officer & Corp SecSale (S): 2,247 @ $1.81 · Sale (S): 1,054 @ $1.84 · Sale (S): 5,633 @ $1.90EDGAR
2026-01-234Siemers Eric — Chief Medical OfficerSale (S): 2,331 @ $1.80 · Sale (S): 895 @ $1.82EDGAR
2026-01-234Zuga Matt — CFO & Chief Business OfficerSale (S): 2,473 @ $1.81 · Sale (S): 1,687 @ $1.86EDGAR
2026-01-234OConnell Daniel Joseph — Chief Executive Officer, DirectorSale (S): 9,346 @ $1.81 · Sale (S): 2,689 @ $1.88EDGAR
2026-01-234Barton Russell — Chief Operating OfficerSale (S): 2,315 @ $1.81 · Sale (S): 462 @ $1.84EDGAR
2026-01-214OConnell Daniel Joseph — Chief Executive Officer, DirectorGrant/award (A): 299,800 @ $0 · Grant/award (A): 450,000 (derivative) @ $0EDGAR
2026-01-214Zuga Matt — CFO & Chief Business OfficerGrant/award (A): 99,133 @ $0 · Grant/award (A): 148,700 (derivative) @ $0EDGAR
2026-01-214Meisner Derek M — Chief Legal Officer & Corp SecGrant/award (A): 99,133 @ $0 · Grant/award (A): 148,700 (derivative) @ $0EDGAR
2026-01-214Siemers Eric — Chief Medical OfficerGrant/award (A): 99,133 @ $0 · Grant/award (A): 148,700 (derivative) @ $0EDGAR
2026-01-214Barton Russell — Chief Operating OfficerGrant/award (A): 84,600 @ $0 · Grant/award (A): 126,900 (derivative) @ $0EDGAR
2026-01-214Schacterle Amy — Chief Regulatory OfficerGrant/award (A): 84,600 @ $0 · Grant/award (A): 126,900 (derivative) @ $0EDGAR
2026-01-214Doherty James J. — President and CDOGrant/award (A): 166,867 @ $0 · Grant/award (A): 250,300 (derivative) @ $0EDGAR
2026-01-124Zuga Matt — CFO & Chief Business OfficerSale (S): 6,888 @ $1.82EDGAR
2026-01-124Barton Russell — Chief Operating OfficerSale (S): 3,530 @ $1.86EDGAR
2026-01-124Meisner Derek M — Chief Legal Officer & Corp SecSale (S): 6,819 @ $1.82 · Sale (S): 30,092 @ $1.82 · Sale (S): 5,200 @ $1.76 · Sale (S): 8,548 @ $1.71EDGAR
2026-01-124OConnell Daniel Joseph — Chief Executive Officer, DirectorSale (S): 8,143 @ $1.82 · Sale (S): 12,941 @ $1.76 · Sale (S): 5,388 @ $1.73EDGAR
2026-01-094Doherty James J. — President and CDOSale (S): 1,700 @ $1.99 · Sale (S): 6,467 @ $1.82EDGAR
2026-01-094Schacterle Amy — Chief Regulatory OfficerSale (S): 1,097 @ $1.98EDGAR
2026-01-074Zuga Matt — CFO & Chief Business OfficerSale (S): 4,000 @ $1.96 · Sale (S): 5,100 @ $1.97 · Sale (S): 4,105 @ $2.00 · Sale (S): 1,700 @ $1.99EDGAR
2026-01-074Siemers Eric — Chief Medical OfficerSale (S): 4,000 @ $1.96 · Sale (S): 6,834 @ $1.97EDGAR
2026-01-074OConnell Daniel Joseph — Chief Executive Officer, DirectorSale (S): 4,649 @ $1.97 · Sale (S): 5,102 @ $1.97 · Sale (S): 37,755 @ $1.99EDGAR
2026-01-074Meisner Derek M — Chief Legal Officer & Corp SecSale (S): 4,000 @ $1.96 · Sale (S): 7,097 @ $1.97 · Sale (S): 3,801 @ $1.97 · Sale (S): 1,700 @ $1.99 · Sale (S): 10,070 @ $1.99EDGAR
2026-01-074Barton Russell — Chief Operating OfficerSale (S): 4,000 @ $1.96 · Sale (S): 3,618 @ $1.97 · Sale (S): 1,700 @ $1.99EDGAR
2025-11-104Golumbeski George — DirectorGrant/award (A): 50,000 (derivative) @ $0EDGAR
2025-06-054Stoppel Laura — DirectorGrant/award (A): 12,800 @ $0 · Grant/award (A): 19,500 (derivative) @ $0EDGAR
2025-06-054Stalfort John A III — DirectorGrant/award (A): 12,800 @ $0 · Grant/award (A): 19,500 (derivative) @ $0EDGAR
2025-06-054Fountain Nathan B — DirectorGrant/award (A): 12,800 @ $0 · Grant/award (A): 19,500 (derivative) @ $0EDGAR
2025-06-054Ives Jeffrey L. — DirectorGrant/award (A): 12,800 @ $0 · Grant/award (A): 19,500 (derivative) @ $0EDGAR
2025-06-054Porter Derrell — DirectorGrant/award (A): 12,800 @ $0 · Grant/award (A): 19,500 (derivative) @ $0EDGAR
2025-06-054Drapkin Kimberlee C — DirectorGrant/award (A): 12,800 @ $0 · Grant/award (A): 19,500 (derivative) @ $0EDGAR
2025-06-054RA CAPITAL MANAGEMENT, L.P. — Director, 10% owner
RA Capital Healthcare Fund LP — Director, 10% owner
RA Capital Nexus Fund II, L.P. — Director
Kolchinsky Peter — Director, 10% owner
Shah Rajeev M. — Director, 10% owner
Grant/award (A): 12,800 @ $0 · Grant/award (A): 19,500 (derivative) @ $0EDGAR

Recent 8-K events — Acumen Pharmaceuticals, Inc.

FiledFormItems reportedSource
2026-08-128-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-168-K7.01 — Regulation FD Disclosure
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-038-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-128-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-268-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-168-K1.01 — Entry into a Material Definitive Agreement
3.02 — Unregistered Sales of Equity Securities
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-01-128-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-128-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-108-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-08-128-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
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