SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO §240.13d-1(b), (c) AND
(d) AND AMENDMENTS THERETO FILED PURSUANT TO §240.13d-2
(Amendment No. 1)*
Acumen Pharmaceuticals, Inc.
(Name of Issuer)
Common Stock, $0.0001 par value per share
(Title of Class of Securities)
00509G209
(CUSIP Number)
December 31, 2022
(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
| ☐ | Rule 13d-1(b) |
| ☐ | Rule 13d-1(c) |
| ☒ | Rule 13d-1(d) |
*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
| CUSIP No. 00509G209 | 13G | Page 2 of 8 Pages |
| 1 |
NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Paul B. Manning |
| 2 |
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ☐ (b) ☐ |
| 3 | SEC USE ONLY |
| 4 |
CITIZENSHIP OR PLACE OF ORGANIZATION Delaware |
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 |
SOLE VOTING POWER 2,547,1431 |
| 6 |
SHARED VOTING POWER 657,9852 | |
| 7 |
SOLE DISPOSITIVE POWER 2,547,1431 | |
| 8 |
SHARED DISPOSITIVE POWER 657,9852 |
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,205,1283 |
| 10 |
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ☐ |
| 11 |
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.8%4 |
| 12 |
TYPE OF REPORTING PERSON* IN |
| 1 | Consists of 2,547,143 shares of the Issuer's common stock held by The Paul B. Manning Revocable Trust dated May 10, 2000. |
| 2 | The securities are held by BKB Growth Investments, LLC. |
| 3 | Consists of: (i) 2,547,143 shares of the Issuer’s common stock held directly by The Paul B. Manning Revocable Trust dated May 10, 2000 and (ii) 657,985 shares of the Issuer’s common stock held by BKB Growth Investments, LLC. |
| 4 | This percentage is calculated based upon 40,925,284 shares of the Issuer’s common stock outstanding as of November 11, 2022, as reported by the Issuer in its Form 10-Q for the quarter ended September 30, 2022, filed with the Securities and Exchange Commission on November 14, 2022. |
| CUSIP No. 00509G209 | 13G | Page 3 of 8 Pages |
| 1 |
NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) The Paul B. Manning Revocable Trust dated May 10, 2000 |
| 2 |
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ☐ (b) ☐ |
| 3 | SEC USE ONLY |
| 4 |
CITIZENSHIP OR PLACE OF ORGANIZATION Virginia |
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 |
SOLE VOTING POWER 2,547,143 |
| 6 |
SHARED VOTING POWER 0 | |
| 7 |
SOLE DISPOSITIVE POWER 2,547,143 | |
| 8 |
SHARED DISPOSITIVE POWER 0 |
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,547,143 |
| 10 |
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ☐ |
| 11 |
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.2%5 |
| 12 |
TYPE OF REPORTING PERSON* OO |
| 5 | This percentage is calculated based upon 40,925,284 shares of the Issuer’s common stock outstanding as of November 11, 2022, as reported by the Issuer in its Form 10-Q for the quarter ended September 30, 2022, filed with the Securities and Exchange Commission on November 14, 2022. |
| CUSIP No. 00509G209 | 13G | Page 4 of 8 Pages |
| 1 |
NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) BKB Growth Investments, LLC |
| 2 |
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) ☐ (b) ☐ |
| 3 | SEC USE ONLY |
| 4 |
CITIZENSHIP OR PLACE OF ORGANIZATION Delaware |
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 |
SOLE VOTING POWER 657,985 |
| 6 |
SHARED VOTING POWER 0 | |
| 7 |
SOLE DISPOSITIVE POWER 657,985 | |
| 8 |
SHARED DISPOSITIVE POWER 0 |
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 657,985 |
| 10 |
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* ☐ |
| 11 |
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.6%6 |
| 12 |
TYPE OF REPORTING PERSON* OO |
| 6 | This percentage is calculated based upon 40,925,284 shares of the Issuer’s common stock outstanding as of November 11, 2022, as reported by the Issuer in its Form 10-Q for the quarter ended September 30, 2022, filed with the Securities and Exchange Commission on November 14, 2022. |
| CUSIP No. 00509G209 | 13G | Page 5 of 8 Pages |
Item 1.
| (a) | Name of Issuer |
Acumen Pharmaceuticals, Inc.
| (b) | Address of Issuer’s Principal Executive Offices |
427 Park St.
Charlottesville, VA 22902
Item 2.
| (a) | Name of Person Filing |
Paul B. Manning
The Paul B. Manning Revocable Trust dated May 10, 2000
BKB Growth Investments, LLC
| (b) | Address of Principal Business Office or, if none, Residence |
c/o PBM Capital Group, LLC
200 Garrett Street, Suite S
Charlottesville, VA 22902
| (c) | Citizenship |
Paul B. Manning is a United States Citizen.
The Paul B. Manning Revocable Trust dated May 10, 2000 is governed under the laws of the Commonwealth of Virginia.
BKB Growth Investments, LLC is a Delaware limited liability company.
| (d) | Title of Class of Securities |
Common Stock
| (e) | CUSIP Number |
00509G209
| Item 3. | If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: NOT APPLICABLE. |
| (a) | ☐ | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). |
| (b) | ☐ | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). |
| (c) | ☐ | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). |
| CUSIP No. 00509G209 | 13G | Page 6 of 8 Pages |
| (d) | ☐ | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8). |
| (e) | ☐ | An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E); |
| (f) | ☐ | An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F); |
| (g) | ☐ | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G); |
| (h) | ☐ | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); |
| (i) | ☐ | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); |
| (j) | ☐ | A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J); |
| (k) | ☐ | Group, in accordance with §240.13d-1(b)(1)(ii)(K). |
If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution:
| Item 4. | Ownership. |
Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.
| (a) | Amount beneficially owned: See responses to Item 9 on the attached cover pages. | |||
| (b) | Percent of class: See the responses to Item 11 on the attached cover pages. | |||
| (c) | Number of shares as to which the person has: | |||
| (i) | Sole power to vote or to direct the vote – See the responses to Item 5 on the attached cover pages. | |||
| (ii) | Shared power to vote or to direct the vote – See the responses to Item 6 on the attached cover pages. | |||
| (iii) | Sole power to dispose or to direct the disposition of – See the responses to Item 7 on the attached cover pages. | |||
| (iv) | Shared power to dispose or to direct the disposition of – See the responses to Item 8 on the attached cover pages. | |||
Instruction. For computations regarding securities which represent a right to acquire an underlying security see §240.13d-3(d)(1).
| Item 5. | Ownership of Five Percent or Less of a Class. |
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following ☐.
| Item 6. | Ownership of More than Five Percent on Behalf of Another Person. |
Not Applicable
| CUSIP No. 00509G209 | 13G | Page 7 of 8 Pages |
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company. |
Not Applicable
| Item 8. | Identification and Classification of Members of the Group. |
Not Applicable
| Item 9. | Notice of Dissolution of Group. |
Not Applicable
| Item 10. | Certification |
Not Applicable.
| CUSIP No. 00509G209 | 13G | Page 8 of 8 Pages |
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
| February 14, 2023 | |||
| /s/ Paul B. Manning | |||
| Paul B. Manning | |||
| The Paul B. Manning Revocable Trust Dated May 10, 2000 | |||
| By: | /s/ Paul B. Manning | ||
| Name: | Paul B. Manning | ||
| Title: | Trustee | ||
| BKB Growth Investments, LLC | |||
| By Tiger Lily Capital, LLC, its manager | |||
| By: | /s/ Paul B. Manning | ||
| Name: | Paul B. Manning | ||
| Title: | Manager | ||
| By: | /s/ Bradford Manning | ||
| Name: | Bradford Manning | ||
| Title: | Manager | ||