# EDGAR Filing Document

**Accession Number:** 0001877939
**File Stem:** 0001213900-23-013743
**Filing Date:** 2023-2
**Character Count:** 15051
**Document Hash:** efc3953b3af93f773b403e86776626c9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-23-013743.hdr.sgml**: 20230223

**ACCESSION NUMBER**: 0001213900-23-013743

**CONFORMED SUBMISSION TYPE**: SC 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230223

**DATE AS OF CHANGE**: 20230222

**GROUP MEMBERS**: LIAM SHERIF

**GROUP MEMBERS**: YANG YU CHEN

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Castellum, Inc.
- **CENTRAL INDEX KEY:** 0001877939
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
- **IRS NUMBER:** 274079982
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-93799
- **FILM NUMBER:** 23655188

**BUSINESS ADDRESS:**
- **STREET 1:** 3 BETHESDA METRO CENTER
- **STREET 2:** SUITE 700
- **CITY:** BETHESDA
- **STATE:** MD
- **ZIP:** 20814
- **BUSINESS PHONE:** (301) 461-1839

**MAIL ADDRESS:**
- **STREET 1:** 3 BETHESDA METRO CENTER
- **STREET 2:** SUITE 700
- **CITY:** BETHESDA
- **STATE:** MD
- **ZIP:** 20814
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Crom Cortana Fund LLC
- **CENTRAL INDEX KEY:** 0001948757
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G

**BUSINESS ADDRESS:**
- **STREET 1:** 228 PARK AVE S
- **STREET 2:** PMB 57033
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10003
- **BUSINESS PHONE:** (862) 231-5914

**MAIL ADDRESS:**
- **STREET 1:** 228 PARK AVE S
- **STREET 2:** PMB 57033
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10003

**UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**SCHEDULE 13G**

**Under the Securities Exchange Act of 1934**

**CASTELLUM, INC.**

(Name of Issuer)

**Common Stock, $0.0001 par value per share**

(Title of Class of Securities)

**14838T204**

**(CUSIP Number)**

**October 12, 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. | 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 on 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).

**SCHEDULE 13G**

CUSIP No. 14838T204

---

| | |
|:---|:---|
| 1 | Names of reporting persons<br>Crom Cortana Fund, LLC |
| 2 | Check the appropriate box if a member of a group (see instructions)<br>(a) ◻<br> (b) ◻ |
| 3 | SEC use only<br>|
| 4 | Citizenship or place of organization<br>Delaware |

---

---

| | | |
|:---|:---|:---|
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5 | Sole voting power<br>0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6 | Shared voting power<br>4,149,780<sup>(1)(2)</sup> |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7 | Sole dispositive power<br>0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8 | Shared dispositive power<br>4,149,780<sup>(1)(2)</sup> |

---

---

| | | |
|:---|:---|:---|
| 9 | Aggregate amount beneficially owned by each reporting person<br>4,149,780<sup>(1)(2)</sup> | Aggregate amount beneficially owned by each reporting person<br>4,149,780<sup>(1)(2)</sup> |
| 10 | Check if the aggregate amount in row (9) excludes certain shares (see instructions)<br>| ◻ |
| 11 | Percent of class represented by amount in Row (9)<br>9.9%<sup>(3)</sup> | Percent of class represented by amount in Row (9)<br>9.9%<sup>(3)</sup> |
| 12 | Type of reporting person (see instructions)<br>OO | Type of reporting person (see instructions)<br>OO |

---

(1) These shares are held directly by Crom Cortana Fund, LLC,
an entity controlled by its co-founders and general partners, Yang Yu Chen and Liam Sherif, (collectively the "Reporting Persons").
The Reporting Persons share voting and dispositive power over these securities.

---

| | |
|:---|:---|
| <sub>(2)</sub> | Does not include 757,850 shares of the Issuer's common stock that the Reporting Persons have sold in the open market since October 12, 2022. Includes only 445,130 of an aggregate of 1,400,000 shares of the Issuer's common stock issuable upon the conversion of a convertible note and the exercise of a warrant, each of which contains a "blocker" provision that prohibits the conversion or exercise, as applicable, of any portion thereof if, after giving effect to such conversion or exercise, the Reporting Persons and its affiliates would beneficially own in excess of 9.99% of the outstanding shares of the Issuer's common stock. |

---

(3) The percentage is calculated based on 41,539,342 shares of
the Issuer's common stock outstanding as of November 10, 2022, as reported in the Issuer's quarterly report on Form 10-Q
filed with the Securities and Exchange Commission on November 14, 2022.

**SCHEDULE 13G**

CUSIP No. 14838T204

---

| | |
|:---|:---|
| 1 | Names of reporting persons<br>Liam Sherif |
| 2 | Check the appropriate box if a member of a group (see instructions)<br>(a) ◻<br> (b) ◻ |
| 3 | SEC use only<br>|
| 4 | Citizenship or place of organization<br>United States of America |

---

---

| | | |
|:---|:---|:---|
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5 | Sole voting power<br>0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6 | Shared voting power<br>4,149,780<sup>(1)(2)</sup> |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7 | Sole dispositive power<br>0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8 | Shared dispositive power<br>4,149,780<sup>(1)(2)</sup> |

---

---

| | | |
|:---|:---|:---|
| 9 | Aggregate amount beneficially owned by each reporting person<br>4,149,780<sup>(1)(2)</sup> | Aggregate amount beneficially owned by each reporting person<br>4,149,780<sup>(1)(2)</sup> |
| 10 | Check if the aggregate amount in row (9) excludes certain shares (see instructions)<br>| ◻ |
| 11 | Percent of class represented by amount in Row (9)<br>9.9%<sup>(3)</sup> | Percent of class represented by amount in Row (9)<br>9.9%<sup>(3)</sup> |
| 12 | Type of reporting person (see instructions)<br>IN` | Type of reporting person (see instructions)<br>IN` |

---

(1) These shares are held directly by Crom Cortana Fund, LLC,
an entity controlled by its co-founders and general partners, Yang Yu Chen and Liam Sherif, (collectively the "Reporting Persons").
The Reporting Persons share voting and dispositive power over these securities.

(2) Does not include 757,850 shares of the Issuer's common
stock that the Reporting Persons have sold in the open market since October 12, 2022. Includes only 445,130 of an aggregate of 1,400,000
shares of the Issuer's common stock issuable upon the conversion of a convertible note and the exercise of a warrant, each of which
contains a "blocker" provision that prohibits the conversion or exercise, as applicable, of any portion thereof if, after
giving effect to such conversion or exercise, the Reporting Persons and its affiliates would beneficially own in excess of 9.99% of the
outstanding shares of the Issuer's common stock.

(3) The percentage is calculated based on 41,539,342 shares of
the Issuer's common stock outstanding as of November 10, 2022, as reported in the Issuer's quarterly report on Form 10-Q
filed with the Securities and Exchange Commission on November 14, 2022.

**SCHEDULE 13G**

CUSIP No. 14838T204

---

| | |
|:---|:---|
| 1 | Names of reporting persons<br>Yang Yu Chen |
| 2 | Check the appropriate box if a member of a group (see instructions)<br>(a) ◻<br> (b) ◻ |
| 3 | SEC use only<br>|
| 4 | Citizenship or place of organization<br>United States of America |

---

---

| | | |
|:---|:---|:---|
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 5 | Sole voting power<br>0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 6 | Shared voting power<br>4,149,780<sup>(1)(2)</sup> |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 7 | Sole dispositive power<br>0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person<br> With | 8 | Shared dispositive power<br>4,149,780<sup>(1)(2)</sup> |

---

---

| | | |
|:---|:---|:---|
| 9 | Aggregate amount beneficially owned by each reporting person<br>4,149,780<sup>(1)(2)</sup> | Aggregate amount beneficially owned by each reporting person<br>4,149,780<sup>(1)(2)</sup> |
| 10 | Check if the aggregate amount in row (9) excludes certain shares (see instructions)<br>| ◻ |
| 11 | Percent of class represented by amount in Row (9)<br>9.9%<sup>(3)</sup> | Percent of class represented by amount in Row (9)<br>9.9%<sup>(3)</sup> |
| 12 | Type of reporting person (see instructions)<br>IN` | Type of reporting person (see instructions)<br>IN` |

---

(1) These shares are held directly by Crom Cortana Fund, LLC,
an entity controlled by its co-founders and general partners, Yang Yu Chen and Liam Sherif, (collectively the "Reporting Persons").
The Reporting Persons share voting and dispositive power over these securities.

(2) Does not include 757,850 shares of the Issuer's common
stock that the Reporting Persons have sold in the open market since October 12, 2022. Includes only 445,130 of an aggregate of 1,400,000
shares of the Issuer's common stock issuable upon the conversion of a convertible note and the exercise of a warrant, each of which
contains a "blocker" provision that prohibits the conversion or exercise, as applicable, of any portion thereof if, after
giving effect to such conversion or exercise, the Reporting Persons and its affiliates would beneficially own in excess of 9.99% of the
outstanding shares of the Issuer's common stock.

(3) The percentage is calculated based on 41,539,342 shares of
the Issuer's common stock outstanding as of November 10, 2022, as reported in the Issuer's quarterly report on Form 10-Q
filed with the Securities and Exchange Commission on November 14, 2022.

**SCHEDULE 13G**

CUSIP No. 14838T204

**Item 1.**

Item 1(a). Name of Issuer:

Castellum, Inc.

Item 1(b). Address of issuer's principal executive offices:

3 Bethesda Metro Center, Suite 700, Bethesda, MD 20814

Item 2(a) (b) and (c). Name address and citizenship of reporting persons:

This Schedule 13G is being filed on behalf of (i) Crom Cortana Fund, a Delaware limited liability company ("Crom"); (ii) Liam Sherif, an individual who is a citizen of the United States of America ("Mr. Sherif") and (iii) Yang Yu Chen, an individual who is a citizen of the United States of America ("Mr. Chen") (collectively, the "Reporting Persons").

Item 2(b). The principal business address for all reporting persons is:

Crom Cortana Fund, LLC

228 Park Avenue South PMB 57033

New York, New York 10003

The Reporting Persons have entered into a Joint Filing Agreement, a copy of which is filed with this Schedule 13G as [Exhibit 1](ea174120ex99-1_castel.htm), pursuant to which the Reporting Persons have agreed to file this Schedule 13G jointly in accordance with the provisions of Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended.

Item 2(d). Title of class of securities:

Common Stock, $0.0001 par value per share.

Item 2(e). CUSIP No.:

14838T204

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.

**SCHEDULE 13G**

CUSIP No. 14838T204

Item 4. Ownership.

The Reporting Persons beneficially own 4,149,780 shares of the Issuer's common stock. The other information required by this item with respect to the Reporting Person is set forth in Rows 5 through 9 and 11 of the cover page to this Schedule 13G, which is incorporated herein by reference.

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. Certification.

Not applicable.

**SCHEDULE 13G**

CUSIP No. 14838T204

**SIGNATURES**

After reasonable inquiry and to the best of the undersigned's knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

Dated: February 22, 2023

---

| | | |
|:---|:---|:---|
| **CROM CORTANA FUND, LLC** | **CROM CORTANA FUND, LLC** | **CROM CORTANA FUND, LLC** |
| By: | /s/ *Yang Yu Chen* | /s/ *Yang Yu Chen* |
|  | Name:  | Yang Yu Chen<br>|
|  | Title: | General Partner |

---

---

| | | |
|:---|:---|:---|
| By: | /s/ *Liam Sherif* | /s/ *Liam Sherif* |
|  | Name:  | Liam Sherif<br>|
|  | Title: | General Partner |

---

## Exhibit 99.1

**Exhibit 1**

**JOINT FILING AGREEMENT**

The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

Date: February 22, 2023

---

| | |
|:---|:---|
| /s/ Yang Yu Chen | /s/ Yang Yu Chen |
| Yang Yu Chen | Yang Yu Chen |
| /s/ Liam Sherif | /s/ Liam Sherif |
| Liam Sherif | Liam Sherif |
| Crom Cortana Fund, LLC | Crom Cortana Fund, LLC |
| By: | /s/ Liam Sherif |
|  | Liam Sherif, General Partner |

---