# EDGAR Filing Document

**Accession Number:** 0000874238
**File Stem:** 0000874238-23-000048
**Filing Date:** 2023-3
**Character Count:** 2733
**Document Hash:** a1ac9db95b58e723366817809c8fc5ab
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000874238-23-000048.hdr.sgml**: 20230324

**ACCESSION NUMBER**: 0000874238-23-000048

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20230324

**DATE AS OF CHANGE**: 20230324

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** STERLING INFRASTRUCTURE, INC.
- **CENTRAL INDEX KEY:** 0000874238
- **STANDARD INDUSTRIAL CLASSIFICATION:** HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
- **IRS NUMBER:** 251655321
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-31993
- **FILM NUMBER:** 23757717

**BUSINESS ADDRESS:**
- **STREET 1:** 1800 HUGHES LANDING BLVD.
- **STREET 2:** SUITE 250
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380
- **BUSINESS PHONE:** 281-214-0777

**MAIL ADDRESS:**
- **STREET 1:** 1800 HUGHES LANDING BLVD.
- **STREET 2:** SUITE 250
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77380

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** STERLING CONSTRUCTION CO INC
- **DATE OF NAME CHANGE:** 20020329

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** OAKHURST CO INC
- **DATE OF NAME CHANGE:** 19950831

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** OAKHURST CAPITAL INC
- **DATE OF NAME CHANGE:** 19931130

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**SCHEDULE 14A**<br>**Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934**<br>**(Amendment No. __)**<br>

Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐

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| | |
|:---|:---|
| Check the appropriate box: | Check the appropriate box: |
| ☐ | Preliminary Proxy Statement |
| ☐ | **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** |
| ☐ | Definitive Proxy Statement |
| ☑ | Definitive Additional Materials |
| ☐ | Soliciting Material Pursuant to §240.14a-12 |

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| |
|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**STERLING INFRASTRUCTURE, INC.** |
| **(Name of Registrant as Specified in its Charter)** |
| **(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** |

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| | |
|:---|:---|
| Payment of Filing Fee (Check all boxes that apply): | Payment of Filing Fee (Check all boxes that apply): |
| ☑ | No fee required. |
| ☐ | Fee paid previously with preliminary materials. |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

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![sterlinginfrastructureinc_b.jpg](sterlinginfrastructureinc_b.jpg)

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![sterlinginfrastructureinc_c.jpg](sterlinginfrastructureinc_c.jpg)

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