LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
ABOSCIK 0001576885

Acumen Pharmaceuticals, Inc.

92 transactions by 15 insiders, from November 6, 2025 to June 17, 2026.

Transactions
9215 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$625Kopen market
Net
−$625Knet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Derek M. MeisnerGC2612/26—$249K
Daniel Joseph OConnellCEO10——$163K
Matt ZugaCFO9——$50K
Derrell PorterDir9——$75K
Russell BartonCOO8——$30K
Eric SiemersCMO6——$27K
James J. DohertyPres4——$15K
Amy SchacterleChief3——$2K
RA CAPITAL MANAGEMENT, L.P.Dir3———
George GolumbeskiDir3———
Nathan B. FountainDir3——$14K
John A. Stalfort IIIDir2———
Kimberlee C. DrapkinDir2———
Jeffrey L. IvesDir2———
Laura StoppelDir2———

All transactions

92 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Derrell PorterDirDERIVJun 17M13,040$0.00—?
Derrell PorterDirDERIVJun 15M6,460$0.00—?
Derrell PorterDirJun 17S13,040$2.33$30K
Derrell PorterDirJun 17M13,040$1.07$14K
Derrell PorterDirJun 16S12,800$2.33$30K
Derrell PorterDirJun 15S6,460$2.35$15K
Derrell PorterDirJun 15M6,460$1.07$7K
Nathan B. FountainDirJun 9S6,400$2.23$14K
Nathan B. FountainDirDERIVJun 3A53,250$0.00—?
Nathan B. FountainDirJun 3A35,500$0.00—
Kimberlee C. DrapkinDirDERIVJun 3A53,250$0.00—?
Kimberlee C. DrapkinDirJun 3A35,500$0.00—
John A. Stalfort IIIDirDERIVJun 3A53,250$0.00—?
John A. Stalfort IIIDirJun 3A35,500$0.00—
Derrell PorterDirDERIVJun 3A53,250$0.00—?
Derrell PorterDirJun 3A35,500$0.00—
Jeffrey L. IvesDirDERIVJun 3A53,250$0.00—?
Jeffrey L. IvesDirJun 3A35,500$0.00—
George GolumbeskiDirDERIVJun 3A53,250$0.00—?
George GolumbeskiDirJun 3A35,500$0.00—
Laura StoppelDirDERIVJun 3A53,250$0.00—?
Laura StoppelDirJun 3A35,500$0.00—
RA CAPITAL MANAGEMENT, L.P.DirDERIVJOINTJun 3A53,250$0.00—?
RA CAPITAL MANAGEMENT, L.P.DirJOINTJun 3A35,500$0.00—
RA CAPITAL MANAGEMENT, L.P.DirJOINTMar 16A6,060,606$3.30$20.0M
Derek M. MeisnerGCDERIVMar 6MPLAN2,090$0.00—?
Derek M. MeisnerGCMar 6SPLAN2,090$3.26$7K
Derek M. MeisnerGCMar 6MPLAN2,090$1.85$4K
Derek M. MeisnerGCDERIVFeb 27MPLAN9,406$0.00—?
Derek M. MeisnerGCFeb 27SPLAN9,406$3.01$28K
Derek M. MeisnerGCFeb 27MPLAN9,406$1.85$17K
Derek M. MeisnerGCDERIVJan 28MPLAN2,671$0.00—?
Derek M. MeisnerGCDERIVJan 26MPLAN15,085$0.00—?
Derek M. MeisnerGCJan 28SPLAN2,671$3.00$8K
Derek M. MeisnerGCJan 28MPLAN2,671$1.85$5K
Derek M. MeisnerGCJan 26SPLAN15,085$3.00$45K
Derek M. MeisnerGCJan 26MPLAN15,085$1.85$28K
Derek M. MeisnerGCJan 23S5,633$1.90$11K
Derek M. MeisnerGCJan 22S1,054$1.84$2K
Derek M. MeisnerGCJan 21S2,247$1.81$4K
Eric SiemersCMOJan 22S895$1.82$2K
Eric SiemersCMOJan 21S2,331$1.80$4K
Matt ZugaCFOJan 22S1,687$1.86$3K
Matt ZugaCFOJan 21S2,473$1.81$4K
Daniel Joseph OConnellCEOJan 22S2,689$1.88$5K
Daniel Joseph OConnellCEOJan 21S9,346$1.81$17K
Russell BartonCOOJan 22S462$1.84$850
Russell BartonCOOJan 21S2,315$1.81$4K
Daniel Joseph OConnellCEODERIVJan 20A450,000$0.00—?
Daniel Joseph OConnellCEOJan 20A299,800$0.00—
Matt ZugaCFODERIVJan 16A148,700$0.00—?
Matt ZugaCFOJan 16A99,133$0.00—
Derek M. MeisnerGCDERIVJan 16A148,700$0.00—?
Derek M. MeisnerGCJan 16A99,133$0.00—
Eric SiemersCMODERIVJan 16A148,700$0.00—?
Eric SiemersCMOJan 16A99,133$0.00—
Russell BartonCOODERIVJan 16A126,900$0.00—?
Russell BartonCOOJan 16A84,600$0.00—
Amy SchacterleChiefDERIVJan 16A126,900$0.00—?
Amy SchacterleChiefJan 16A84,600$0.00—
James J. DohertyPresDERIVJan 16A250,300$0.00—?
James J. DohertyPresJan 16A166,867$0.00—
Matt ZugaCFOJan 8S6,888$1.82$13K
Russell BartonCOOJan 8S3,530$1.86$7K
Derek M. MeisnerGCJan 12S8,548$1.71$15K
Derek M. MeisnerGCJan 9S5,200$1.76$9K
Derek M. MeisnerGCJan 8S30,092$1.82$55K
Derek M. MeisnerGCJan 8S6,819$1.82$12K
Daniel Joseph OConnellCEOJan 12S5,388$1.73$9K
Daniel Joseph OConnellCEOJan 9S12,941$1.76$23K
Daniel Joseph OConnellCEOJan 8S8,143$1.82$15K
James J. DohertyPresJan 8S6,467$1.82$12K
James J. DohertyPresJan 7S1,700$1.99$3K
Amy SchacterleChiefJan 7S1,097$1.98$2K
Matt ZugaCFOJan 7S1,700$1.99$3K
Matt ZugaCFOJan 7S4,105$2.00$8K
Matt ZugaCFOJan 6S5,100$1.97$10K
Matt ZugaCFOJan 5S4,000$1.96$8K
Eric SiemersCMOJan 6S6,834$1.97$13K
Eric SiemersCMOJan 5S4,000$1.96$8K
Daniel Joseph OConnellCEOJan 7S37,755$1.99$75K
Daniel Joseph OConnellCEOJan 6S5,102$1.97$10K
Daniel Joseph OConnellCEOJan 5S4,649$1.97$9K
Derek M. MeisnerGCJan 7S10,070$1.99$20K
Derek M. MeisnerGCJan 7S1,700$1.99$3K
Derek M. MeisnerGCJan 6S3,801$1.97$7K
Derek M. MeisnerGCJan 6S7,097$1.97$14K
Derek M. MeisnerGCJan 5S4,000$1.96$8K
Russell BartonCOOJan 7S1,700$1.99$3K
Russell BartonCOOJan 6S3,618$1.97$7K
Russell BartonCOOJan 5S4,000$1.96$8K
George GolumbeskiDirDERIVNov 6A50,000$0.00—?