STOCK TITAN

Acumen (NASDAQ: ABOS) director granted RSUs and options vesting by 2027

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Acumen Pharmaceuticals director Kimberlee C. Drapkin received new equity awards. She was granted 35,500 restricted stock units, each representing a right to receive one share of common stock. These RSUs vest in full on the earlier of the first anniversary of the grant date or the 2027 annual stockholder meeting, subject to continued service.

She also received stock options covering 53,250 shares at an exercise price of $2.29 per share, expiring on June 3, 2036, with the same vesting schedule. Following these awards, she directly holds 48,300 shares of Acumen common stock. The transactions reflect compensation-related grants rather than open-market purchases or sales.

Positive

  • None.

Negative

  • None.
Insider Drapkin Kimberlee C
Role null
Type Security Shares Price Value
Grant/Award Stock Option (right to buy) 53,250 $0.00 --
Grant/Award Common Stock 35,500 $0.00 --
Holdings After Transaction: Stock Option (right to buy) — 53,250 shares (Direct, null); Common Stock — 48,300 shares (Direct, null)
Footnotes (1)
  1. Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of the first anniversary of the date of grant or the 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through such vesting date. The shares subject to the option will vest in full on the earlier of the first anniversary of the date of grant or the 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through such vesting date.
RSU award 35,500 units Restricted stock units granted to director on June 3, 2026
Stock options granted 53,250 options Stock Option (right to buy) granted on June 3, 2026
Option exercise price $2.29 per share Exercise price for 53,250 stock options
Option expiration June 3, 2036 Expiration date of granted stock options
Shares held after grant 48,300 shares Total common stock directly held after transactions
restricted stock unit ("RSU") financial
"Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right..."
Stock Option (right to buy) financial
"Stock Option (right to buy) reported as a derivative security transaction..."
vest in full financial
"The RSUs will vest in full on the earlier of the first anniversary of the date of grant..."
annual stockholder meeting financial
"on the earlier of the first anniversary of the date of grant or the 2027 annual stockholder meeting..."
An annual stockholder meeting is a yearly gathering where a company's owners (shareholders) receive updates on performance, vote on key issues like board members, executive pay and major corporate plans, and ask questions of management. Think of it as a company town hall where choices about oversight and direction are decided; outcomes can affect management accountability, corporate strategy and ultimately the value and risks of investors’ shares.
exercise price financial
"conversion or exercise price for the stock option is 2.2900 per share..."
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Drapkin Kimberlee C

(Last)(First)(Middle)
C/O ACUMEN PHARMACEUTICALS, INC.
1210-1220 WASHINGTON STREET, SUITE 210

(Street)
NEWTON MASSACHUSETTS 02465

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Acumen Pharmaceuticals, Inc. [ ABOS ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/03/2026A35,500(1)A$048,300D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (right to buy)$2.2906/03/2026A53,250 (2)06/03/2036Common Stock53,250$053,250D
Explanation of Responses:
1. Represents a restricted stock unit ("RSU") award. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of the first anniversary of the date of grant or the 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through such vesting date.
2. The shares subject to the option will vest in full on the earlier of the first anniversary of the date of grant or the 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through such vesting date.
Remarks:
/s/ Derek Meisner, Attorney-in-Fact06/05/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What equity awards did Acumen (ABOS) director Kimberlee Drapkin receive?

Kimberlee Drapkin received 35,500 restricted stock units and stock options for 53,250 shares. The RSUs convert into common stock, and the options allow future purchases at a fixed price, aligning her compensation with Acumen Pharmaceuticals’ long-term performance.

When do Kimberlee Drapkin’s new Acumen (ABOS) RSUs and options vest?

Both the RSUs and options vest in full on the earlier of the first anniversary of the grant date or the 2027 annual stockholder meeting. Vesting requires Drapkin’s continuous service with Acumen Pharmaceuticals through that vesting date.

What is the exercise price and expiration for Drapkin’s Acumen (ABOS) stock options?

The granted stock options cover 53,250 shares of Acumen common stock at an exercise price of $2.29 per share. These options expire on June 3, 2036, giving a long-dated opportunity to buy shares at that fixed price if vested.

How many Acumen (ABOS) shares does Kimberlee Drapkin hold after these grants?

After the Form 4 transactions, Kimberlee Drapkin directly holds 48,300 shares of Acumen common stock. This total reflects her position following the new equity awards reported, separate from the additional unexercised stock options she was granted.

Are Kimberlee Drapkin’s recent Acumen (ABOS) transactions open-market buys or compensation?

The transactions are compensation-related grants, not open-market trades. They include a restricted stock unit award and a stock option grant, both issued at no cash cost to Drapkin, subject to vesting and continuous service requirements with Acumen Pharmaceuticals.