# EDGAR Filing Document

**Accession Number:** 0000703604
**File Stem:** 0001193125-23-075948
**Filing Date:** 2023-3
**Character Count:** 37450
**Document Hash:** 193f737ba455932b9a827229493a1406
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-075948.hdr.sgml**: 20230322

**ACCESSION NUMBER**: 0001193125-23-075948

**CONFORMED SUBMISSION TYPE**: SC 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230322

**DATE AS OF CHANGE**: 20230321

**GROUP MEMBERS**: 301 HW OPUS INVESTORS, LLC

**GROUP MEMBERS**: HEADWATER LAWSON INVESTORS, LLC

**GROUP MEMBERS**: J. BRYAN KING

**GROUP MEMBERS**: J. LUTHER KING, JR.

**GROUP MEMBERS**: LKCM CORE DISCIPLINE, L.P.

**GROUP MEMBERS**: LKCM HEADWATER II SIDECAR PARTNERSHIP, L.P.

**GROUP MEMBERS**: LKCM HEADWATER INVESTMENTS II, L.P.

**GROUP MEMBERS**: LKCM HEADWATER INVESTMENTS III, L.P.

**GROUP MEMBERS**: LKCM INVESTMENT PARTNERSHIP, L.P.

**GROUP MEMBERS**: LKCM MICRO-CAP PARTNERSHIP, L.P.

**GROUP MEMBERS**: LKCM PRIVATE DISCIPLINE MASTER FUND, SPC / PDLP LAWSON, LLC

**GROUP MEMBERS**: LKCM TE INVESTORS, LLC

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Distribution Solutions Group, Inc.
- **CENTRAL INDEX KEY:** 0000703604
- **STANDARD INDUSTRIAL CLASSIFICATION:** WHOLESALE-MACHINERY, EQUIPMENT & SUPPLIES [5080]
- **IRS NUMBER:** 362229304
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-33906
- **FILM NUMBER:** 23750880

**BUSINESS ADDRESS:**
- **STREET 1:** 8770 WEST BRYN MAWR AVENUE
- **STREET 2:** SUITE 900
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60631
- **BUSINESS PHONE:** 773-304-5220

**MAIL ADDRESS:**
- **STREET 1:** 8770 WEST BRYN MAWR AVENUE
- **STREET 2:** SUITE 900
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60631

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LAWSON PRODUCTS INC/NEW/DE/
- **DATE OF NAME CHANGE:** 19920703
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** KING LUTHER CAPITAL MANAGEMENT CORP
- **CENTRAL INDEX KEY:** 0000310051
- **STANDARD INDUSTRIAL CLASSIFICATION:** UNKNOWN SIC - 0000 [0000]
- **IRS NUMBER:** 75163030
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 301 COMMERCE SUITE 1600
- **CITY:** FORT WORTH
- **STATE:** TX
- **ZIP:** 76102
- **BUSINESS PHONE:** 8173323235

**MAIL ADDRESS:**
- **STREET 1:** 301 COMMERCE SUITE 1600
- **CITY:** FORT WORTH
- **STATE:** TX
- **ZIP:** 76102

------

------

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

------

**SCHEDULE 13D** 

**Under the Securities Exchange Act of 1934** 

**(Amendment No. 25)\*** 

------

## Distribution Solutions Group, Inc.
**(Name of Issuer)** 

**Common Stock, $1.00 par value** 

**(Title of Class of Securities)** 

**520776105** 

**(CUSIP Number)** 

**Jacob D. Smith** 

**Principal and General Counsel** 

**Luther King Capital Management Corporation** 

**301 Commerce Street, Suite 1600** 

**Fort Worth, Texas 76102** 

**(817) 332-3235** 

**(Name, Address and Telephone Number of Persons Authorized to Receive Notices and Communications)** 

**March 20, 2023** 

**(Date of Event which Requires Filing of this Statement)** 

------

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Sections 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

------

**Note:** Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Section 13d-7 for other parties to whom copies are to be sent.

------

\* 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 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).

Persons who response to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

------

CUSIP No. 520776105 Page 2 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; LKCM Private Discipline Master Fund, SPC / PDLP Lawson, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Cayman Islands /
Texas

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;1,699,871 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;1,699,871 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 1,699,871

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 8.0%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

------

CUSIP No. 520776105 Page 3 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; LKCM Investment Partnership, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Texas

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;250,000 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;250,000 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 250,000

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 1.2%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

CUSIP No. 520776105 Page 4 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; LKCM Micro-Cap Partnership, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;26,827 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;26,827 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 26,827

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 0.1%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

CUSIP No. 520776105 Page 5 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; LKCM Core Discipline, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;10,490 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;10,490 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 10,490

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 0.1%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

CUSIP No. 520776105 Page 6 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; LKCM Headwater Investments II, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;592,326 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;592,326 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 592,326

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 2.8%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

CUSIP No. 520776105 Page 7 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; LKCM Headwater II Sidecar Partnership, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 0

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 0%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

CUSIP No. 520776105 Page 8 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; LKCM Headwater Investments III, L.P.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 0

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 0%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; PN

------

CUSIP No. 520776105 Page 9 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; 301 HW Opus Investors, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;8,000,000 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;8,000,000 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 8,000,000

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 37.9%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

------

CUSIP No. 520776105 Page 10 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; LKCM TE Investors, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;4,000,000 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;4,000,000 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 4,000,000

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 18.9%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; OO

------

CUSIP No. 520776105 Page 11 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; Headwater Lawson Investors, LLC

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; WC

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;1,761,494 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;1,761,494 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 1,761,494

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 8.3%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; CO

------

CUSIP No. 520776105 Page 12 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; Luther King Capital Management Corporation

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; N/A

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;16,343,508 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;16,343,508 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 16,343,508

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 77.4%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; IA, CO

------

CUSIP No. 520776105 Page 13 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; J. Luther King, Jr.

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; N/A

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; United
States

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;16,343,508 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;16,343,508 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 16,343,508

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 77.4%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; IN

------

CUSIP No. 520776105 Page 14 of 17

1. &nbsp;&nbsp;&nbsp;&nbsp; Name of Reporting Persons. &nbsp;&nbsp;&nbsp;&nbsp; J. Bryan King

2. &nbsp;&nbsp;&nbsp;&nbsp; Check the Appropriate Box
if a Member of a Group (See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☒

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC Use Only

4. &nbsp;&nbsp;&nbsp;&nbsp; Source of Funds (See
Instructions) &nbsp;&nbsp;&nbsp;&nbsp; N/A

5. &nbsp;&nbsp;&nbsp;&nbsp; Check if Disclosure of
Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e): &nbsp;&nbsp;&nbsp;&nbsp; ☐

6. &nbsp;&nbsp;&nbsp;&nbsp; Citizenship or Place of
Organization &nbsp;&nbsp;&nbsp;&nbsp; United
States

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;7. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;16,108,056 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;8. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Voting Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | &nbsp;&nbsp;&nbsp;&nbsp;9. | &nbsp;&nbsp;&nbsp;&nbsp;Sole Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;16,108,056 |
| &nbsp;&nbsp;&nbsp; Number of<br> Shares<br> Beneficially <br> Owned by<br> Each<br> Reporting<br> Person<br> With | 10. | &nbsp;&nbsp;&nbsp;&nbsp;Shared Dispositive Power<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

11. &nbsp;&nbsp;&nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person &nbsp;&nbsp;&nbsp;&nbsp; 16,108,056

12. &nbsp;&nbsp;&nbsp;&nbsp; Check if the Aggregate
Amount in Row (11) Excludes Certain Shares (See Instructions): &nbsp;&nbsp;&nbsp;&nbsp; ☐

13. &nbsp;&nbsp;&nbsp;&nbsp; Percent of Class
Represented by Amount in Row (11) &nbsp;&nbsp;&nbsp;&nbsp; 76.3%

14. &nbsp;&nbsp;&nbsp;&nbsp; Type of Reporting Person
(See Instructions) &nbsp;&nbsp;&nbsp;&nbsp; IN

------

This Amendment No. 25 to Schedule 13D amends and supplements the Schedule 13D filed by the Reporting Persons with respect to the Common Stock, par value $1.00 per share ("Common Stock"), of Distribution Solutions Group, Inc. (the "Issuer"). Except as set forth below, all previous Items remain unchanged. Capitalized terms used herein but not defined herein shall have the meanings given to them in the Schedule 13D, as amended, filed with the Securities and Exchange Commission. Each of the Reporting Persons hereby expressly disclaims membership in a "group" under the Securities Exchange Act of 1934 with respect to the securities reported herein, and this Schedule 13D shall not be deemed to be an admission that any such Reporting Person is a member of such a group. Each of the Reporting Persons hereby expressly disclaims beneficial ownership of the securities reported herein, other than to the extent of its pecuniary interest therein, and this Schedule 13D shall not be deemed to be an admission that any such Reporting Person is the beneficial owner of the securities reported herein for purposes of the Securities Exchange Act of 1934 or for any other purpose.

**Item 3. Source and Amount of Funds or Other Consideration** 

Item 3 is here by supplemented as follows:

On March 20, 2023, the Issuer issued (i) 700,000 shares of Common Stock to TestEquity Investors (the "TestEquity Holdback Shares") and (ii) 1,000,000 shares of Common Stock to Gexpro Investors (the "Gexpro Holdback Shares," and together with the TestEquity Holdback Shares, the "Holdback Shares"), in each case pursuant to the terms of the earnout provisions of the TestEquity Merger Agreement and Gexpro Merger Agreement, respectively. The Holdback Shares issued represent the maximum number of additional shares of Common Stock that could be issued to TestEquity Investors and Gexpro Investors under such merger agreements, and no additional shares of Common Stock are available for issuance pursuant to such merger agreements.

**Item 5. Interest in Securities of the Issuer.** 

Item 5 is hereby amended and restated in its entirety as follows:

(a) As of March 20, 2023, the Reporting Persons may be deemed to beneficially own 16,343,508 shares of Common Stock (which represents approximately 77.4% of the outstanding Common Stock based upon information obtained from the Issuer).

(b) ---

| | | | | |
|:---|:---|:---|:---|:---|
|  | **Sole**<br>**Voting**<br>**Power** | **Shared**<br>**Voting**<br>**Power** | **Sole**<br>**Dispositive**<br>**Power** | **Shared**<br>**Dispositive**<br>**Power** |
|  PDP | 1699871 | 0 | 1699871 | 0 |
|  LIP | 250000 | 0 | 250000 | 0 |
|  HW2 | 592326 | 0 | 592326 | 0 |
|  Sidecar | 0 | 0 | 0 | 0 |
|  HWLI | 1761494 | 0 | 1761494 | 0 |
|  HW3 | 0 | 0 | 0 | 0 |
|  Gexpro Investors | 8000000 | 0 | 8000000 | 0 |
|  TestEquity Investors | 4000000 | 0 | 4000000 | 0 |
|  Micro | 26827 | 0 | 26827 | 0 |
|  Core | 10490 | 0 | 10490 | 0 |
|  LKCM | 16343508 | 0 | 16343508 | 0 |
| J. Luther King, Jr. | 16343508 | 0 | 16343508 | 0 |
| J. Bryan King | 16108056 | 0 | 16108056 | 0 |

---

(c) The information provided by the Reporting Persons in response to Items 3 and 4 are hereby incorporated by reference in response to this Item 5(c).

(d) Not applicable.

(e) 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.

Date: March 21, 2023

---

| | |
|:---|:---|
| **LKCM Private Discipline Master Fund, SPC** | **LKCM Private Discipline Master Fund, SPC** |
| By: | LKCM Private Discipline Management, L.P., sole holder of its management shares |
| By: | LKCM Alternative Management, LLC, its general partner |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, President |
| **PDLP Lawson, LLC** | **PDLP Lawson, LLC** |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, President |
| **LKCM Investment Partnership, L.P.** | **LKCM Investment Partnership, L.P.** |
| By: | LKCM Investment Partnership GP, LLC, its general partner |
| By: | /s/ J. Luther King, Jr. |
|  | J. Luther King, Jr., President |
| **LKCM Headwater Investments II, L.P.** | **LKCM Headwater Investments II, L.P.** |
| By: | LKCM Headwater Investments II GP, L.P., its general partner |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, President |
| **LKCM Headwater II Sidecar Partnership, L.P.** | **LKCM Headwater II Sidecar Partnership, L.P.** |
| By: | LKCM Headwater II Sidecar Partnership GP, L.P., its general partner |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, President |

---

------

---

| | |
|:---|:---|
| **LKCM Headwater Investments III, L.P.** | **LKCM Headwater Investments III, L.P.** |
| By: | LKCM Headwater Investments III GP, L.P., its general partner |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, President |
| **301 HW Opus Investors, LLC** | **301 HW Opus Investors, LLC** |
| By: | /s/ Jacob D. Smith |
|  | Jacob D. Smith, Vice President |
| **LKCM TE Investors, LLC** | **LKCM TE Investors, LLC** |
| By: | /s/ Jacob D. Smith |
|  | Jacob D. Smith, Vice President |
| **LKCM Micro-Cap Partnership, L.P.** | **LKCM Micro-Cap Partnership, L.P.** |
| By: | LKCM Micro-Cap Management, L.P., its general partner |
| By: | LKCM Alternative Management, LLC, its general partner |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, President |
| **LKCM Core Discipline, L.P.** | **LKCM Core Discipline, L.P.** |
| By: | LKCM Core Discipline Management, L.P., its general partner |
| By: | LKCM Alternative Management, LLC, its general partner |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, President |
| **Headwater Lawson Investors, LLC** | **Headwater Lawson Investors, LLC** |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, President |
| **Luther King Capital Management Corporation** | **Luther King Capital Management Corporation** |
| By: | /s/ J. Bryan King |
|  | J. Bryan King, Principal and Vice President |

---

------

---

| |
|:---|
|  /s/ J. Bryan King |
| **J. Bryan King** |
|  /s/ J. Luther King, Jr. |
| **J. Luther King, Jr.** |

---