Insider Transactions last 24 months for Acumen Pharmaceuticals, Inc.  -  NSDQ: ABOS

 
Transactions
All Buy Sell Option Exercise
Filer's Name
Relationship/
Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Ra Capital Management, L.P.Director03/16/2026AAIndirectCOM6,060,606$3.30$19,999,999.8019,103,785
Meisner Derek MChief Legal Officer & Corp Sec03/06/2026DSDirectCOM2,090$3.26$6,813.40173,999
Meisner Derek MChief Legal Officer & Corp Sec03/06/2026AMDirectCOM2,090$1.85$3,866.50176,089
Meisner Derek MChief Legal Officer & Corp Sec02/27/2026DSDirectCOM9,406$3.01$28,311.12173,999
Meisner Derek MChief Legal Officer & Corp Sec02/27/2026AMDirectCOM9,406$1.85$17,401.10183,405
Meisner Derek MChief Legal Officer & Corp Sec01/28/2026DSDirectCOM2,671$3.00$8,017.27173,999
Meisner Derek MChief Legal Officer & Corp Sec01/28/2026AMDirectCOM2,671$1.85$4,941.35176,670
Meisner Derek MChief Legal Officer & Corp Sec01/26/2026DSDirectCOM15,085$3.00$45,262.54173,999
Meisner Derek MChief Legal Officer & Corp Sec01/26/2026AMDirectCOM15,085$1.85$27,907.25189,084
Meisner Derek MChief Legal Officer & Corp Sec01/23/2026DSDirectCOM5,633$1.90$10,717.91173,999
Barton RussellChief Operating Officer01/22/2026DSDirectCOM462$1.84$850.08205,092
Oconnell Daniel JosephChief Executive Officer01/22/2026DSDirectCOM2,689$1.88$5,065.54881,275
Zuga MattCFO & Chief Business Officer01/22/2026DSDirectCOM1,687$1.86$3,137.82304,924
Siemers EricChief Medical Officer01/22/2026DSDirectCOM895$1.82$1,628.90255,371
Meisner Derek MChief Legal Officer & Corp Sec01/22/2026DSDirectCOM1,054$1.84$1,939.36179,632
Barton RussellChief Operating Officer01/21/2026DSDirectCOM2,315$1.81$4,180.89205,554
Oconnell Daniel JosephChief Executive Officer01/21/2026DSDirectCOM9,346$1.81$16,927.48883,964
Zuga MattCFO & Chief Business Officer01/21/2026DSDirectCOM2,473$1.81$4,469.21306,611
Siemers EricChief Medical Officer01/21/2026DSDirectCOM2,331$1.80$4,203.96256,266
Meisner Derek MChief Legal Officer & Corp Sec01/21/2026DSDirectCOM2,247$1.81$4,063.25180,686
Oconnell Daniel JosephChief Executive Officer01/20/2026AADirectCOM299,800$0.00$0.00893,310
Doherty James J.President and CDO01/16/2026AADirectCOM166,867$0.00$0.00220,900
Schacterle AmyChief Regulatory Officer01/16/2026AADirectCOM84,600$0.00$0.0092,303
Barton RussellChief Operating Officer01/16/2026AADirectCOM84,600$0.00$0.00207,869
Siemers EricChief Medical Officer01/16/2026AADirectCOM99,133$0.00$0.00258,597
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Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust 		Export Table Data to Excel Send to Excel