| SECURITIES AND EXCHANGE
COMMISSION Washington, D.C. 20549 |
SCHEDULE 13G |
UNDER THE SECURITIES EXCHANGE ACT OF 1934
|
(Amendment
No. 3
)*
|
Beam Therapeutics Inc. (Name of Issuer) |
Common Stock par value $0.01 per share (Title of Class of Securities) |
07373V105 (CUSIP Number) |
12/31/2024 (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) |
SCHEDULE 13G |
| CUSIP No. | 07373V105 |
| 1 | Names of Reporting Persons ARCH Venture Fund IX, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization DELAWARE | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 4,540,132.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 5.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) PN |
SCHEDULE 13G |
| CUSIP No. | 07373V105 |
| 1 | Names of Reporting Persons ARCH Venture Fund IX Overage, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization DELAWARE | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 4,540,132.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 5.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) PN |
SCHEDULE 13G |
| CUSIP No. | 07373V105 |
| 1 | Names of Reporting Persons ARCH Venture Partners IX, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization DELAWARE | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 4,540,132.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 5.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) PN |
SCHEDULE 13G |
| CUSIP No. | 07373V105 |
| 1 | Names of Reporting Persons ARCH Venture Partners IX Overage, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization DELAWARE | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 4,540,132.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 5.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) PN |
SCHEDULE 13G |
| CUSIP No. | 07373V105 |
| 1 | Names of Reporting Persons ARCH Venture Partners IX, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization DELAWARE | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 4,540,132.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 5.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) OO |
SCHEDULE 13G |
| CUSIP No. | 07373V105 |
| 1 | Names of Reporting Persons Keith Crandell | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization UNITED STATES | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 4,557,862.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 5.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) IN |
SCHEDULE 13G |
| CUSIP No. | 07373V105 |
| 1 | Names of Reporting Persons Clinton Bybee | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization UNITED STATES | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 4,550,630.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 5.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) IN |
SCHEDULE 13G |
| CUSIP No. | 07373V105 |
| 1 | Names of Reporting Persons Robert Nelsen | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization UNITED STATES | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 4,600,747.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 5.6 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) IN |
SCHEDULE 13G |
| Item 1. | ||
| (a) | Name of issuer: Beam Therapeutics Inc. | |
| (b) | Address of issuer's principal executive
offices: 238 Main Street, Cambridge, MA 02142 | |
| Item 2. | ||
| (a) | Name of person filing: ARCH Venture Fund IX, L.P. ("AVF IX"); ARCH Venture Partners IX, L.P. ("AVP IX LP"); ARCH Venture Partners IX, LLC ("AVP IX LLC"); ARCH Venture Fund IX Overage, L.P. ("AVF IX Overage"); ARCH Venture Partners IX Overage, L.P. ("AVP IX Overage GP") (collectively, the "Reporting Entities" and individually, each a "Reporting Entity"); and Keith Crandell ("Crandell"), Robert Nelsen ("Nelsen") and Clinton Bybee ("Bybee") (collectively, the "Managing Directors" and individually, each a "Managing Director"). The Reporting Entities and the Managing Directors collectively are referred to as the "Reporting Persons". | |
| (b) | Address or principal business office or, if
none, residence: 8755 W. Higgins Avenue, Suite 1025, Chicago, IL 60631 | |
| (c) | Citizenship: Each of AVF IX, AVP IX LP, AVF IX Overage and AVP IX Overage GP, are limited partnerships organized under the laws of the State of Delaware. AVP IX LLC is a limited liability company organized under the laws of the State of Delaware. Each Managing Director is a US citizen. | |
| (d) | Title of class of securities: Common Stock par value $0.01 per share | |
| (e) | CUSIP No.: 07373V105 | |
| 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: | |
| (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); | |
| (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). If filing as a non-U.S.
institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution: | |
| (k) | Group,
in accordance with Rule 240.13d-1(b)(1)(ii)(K). | |
| Item 4. | Ownership | |
| (a) | Amount beneficially owned: AVF IX is the record owner of 2,270,067 shares of Common Stock (the "AVF IX Shares") as of December 31, 2024. AVP IX LP, as the sole general partner of AVF IX, may be deemed to beneficially own the AVF IX Shares. AVF IX Overage is the record owner of 2,270,065 shares of Common Stock (the "AVF IX Overage Shares"; combined with the AVF IX Shares, the "Record Shares") as of December 31, 2024. AVP IX Overage GP, as the sole general partner of AVF IX Overage, may be deemed to beneficially own the AVF IX Overage Shares. AVP IX LLC, as the sole general partner of AVP IX LP and AVP IX Overage GP, may be deemed to beneficially own the Record Shares. As managing directors of AVP IX LLC, each Managing Director may also be deemed to share the power to direct the disposition and vote of the Record Shares. In addition, as of December 31, 2024, Crandell is a holder of 17,730 Shares of Common Stock, Bybee and his related trusts are the holder of 10,498 shares of Common Stock, and Nelsen and his related trusts are the holder of 60,615 shares of Common Stock. | |
| (b) | Percent of class: See line 11 of the cover sheets. The percentages set forth on the cover sheet for each Reporting Person is based upon 82,805,627 shares of common stock outstanding as of October 29, 2024, as reported on the Issuer's Form 10-Q as filed with the Securities and Exchange Commission on November 5, 2024. % | |
| (c) | Number of shares as to which the person has: | |
| (i) Sole power to vote or to direct the vote: See line 5 of the cover sheets. | ||
| (ii) Shared power to vote or to direct the
vote: See line 6 of the cover sheets. | ||
| (iii) Sole power to dispose or to direct the
disposition of: See line 7 of the cover sheets. | ||
| (iv) Shared power to dispose or to direct the
disposition of: See line 8 of the cover sheets. | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
| ||
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
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. | Certifications: |
Not Applicable
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| 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. |
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Comments accompanying signature:
* This Schedule 13G was executed by Mark McDonnell pursuant to a Power of Attorney filed as Exhibit 24 to the Form 3 relating to the beneficial ownership of shares of Beam Therapeutics, Inc. by the Reporting Persons filed with the Securities Exchange Commission on February 5, 2020 and incorporated herein in its entirety by reference.