SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO

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:

5	Sole Voting Power 0.00
6	Shared Voting Power 500,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 500,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

500,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

11

Percent of class represented by amount in row (9)

7.9 %

12

Type of Reporting Person (See Instructions)

CO, HC

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

Lockheed Martin Corporation Master Retirement Trust

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

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 500,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 500,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

500,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

11

Percent of class represented by amount in row (9)

7.9 %

12

Type of Reporting Person (See Instructions)

EP

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

TCW Direct Lending VIII LLC

(b)

Address of issuer's principal executive offices:

515 South Flower Street, Los Angeles, CA 90071

Item 2.

(a)

Name of person filing:

This Schedule 13G is being jointly filed by and on behalf of each of Lockheed Martin Investment Management Company ("LMIMCo") and Lockheed Martin Corporation Master Retirement Trust ("MRT" and together with LMIMCo, the "Reporting Persons"). MRT is an employee benefit plan trust governed by ERISA. LMIMCo is the named fiduciary of MRT and may be deemed to beneficially own securities held by MRT. The Reporting Persons have entered into a Joint Filing Agreement, dated July 13, 2026, a copy of which is filed with this Schedule 13G as Exhibit 99.1, pursuant to which the Reporting Persons have agreed to file this statement jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934 (the "Act").

(b)

Address or principal business office or, if none, residence:

The principal business address of LMIMCo and MRT is c/o Lockheed Martin Investment Management Company, 6801 Rockledge Drive, MP 150, Bethesda, MD 20817.

(c)

Citizenship:

LMIMCo is organized under the laws of the State of Delaware. MRT is established under the laws of the State of New York.

(d)

Title of class of securities:

Limited Liability Company Units

(e)

CUSIP No.:

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:

500,000 Limited Liability Company Units

(b)

Percent of class:

7.9% The percentage of class beneficially owned is based on 6,310,260 Limited Liability Company Units outstanding as of May 13, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (the "SEC") on May 13, 2026.

(c)

Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote:

0

(ii) Shared power to vote or to direct the vote:

500000

(iii) Sole power to dispose or to direct the disposition of:

0

(iv) Shared power to dispose or to direct the disposition of:

500000

Item 5.

Ownership of 5 Percent or Less of a Class.

Not Applicable

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

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.

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO

Signature:	/s/ Robert C. Varnell
Name/Title:	Robert C. Varnell, Vice President & General Counsel
Date:	07/13/2026

Lockheed Martin Corporation Master Retirement Trust

Signature:	/s/ Robert C. Varnell
Name/Title:	By: Lockheed Martin Investment Management Company, as named fiduciary. By: Robert C. Varnell, Vice President & General Counsel
Date:	07/13/2026

Exhibit Information

Exhibit 99.1 Joint Filing Agreement dated July 13, 2026