SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. __) | ||
| Filed by the Registrant | ☑ | Filed by a Party other than the Registrant | ☐ | |||||||||||||||||
| 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 | |||||||
| STERLING INFRASTRUCTURE, INC. | |||||
| (Name of Registrant as Specified in its Charter) | |||||
| (Name of Person(s) Filing Proxy Statement, if other than the Registrant) | |||||
| 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. | ||||||||||

