Nicholas M. Grindstaff - 10 Jul 2026 Form 4 Insider Report for STERLING INFRASTRUCTURE, INC. (STRL)

Reporting relationship: Chief Financial Officer (CFO)
Issuer ticker: STRL
Reported as of: 10 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 14 Jul 2026, 16:03:47 UTC
Prior SEC filing: 05 Jan 2026
Source filing: View source filing
Reporting owner signature: Nicholas M. Grindstaff

Key filing fact

Nicholas M. Grindstaff filed Form 4 for STERLING INFRASTRUCTURE, INC. (STRL) on 14 Jul 2026.

Key facts

This page summarizes Nicholas M. Grindstaff's Form 4 filing for STERLING INFRASTRUCTURE, INC. (STRL).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 14 Jul 2026, 16:03.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001134710 Primary reporting owner

GRINDSTAFF NICHOLAS M

Relationship: Chief Financial Officer (CFO)
Address: 1800 HUGHES LANDING BLVD., SUITE 250, THE WOODLANDS
Signature: Nicholas M. Grindstaff
Signature date: 14 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STRL transaction

Common Stock

Tax liability

Transaction value
Shares: -556
Change %: -8.4%
Price: $682.29^*
Shares after: 6,037
Date: 10 Jul 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

These shares were retained by the Company at the election of the Reporting Person pursuant to a procedure approved by the Compensation Committee of the Board of Directors to satisfy the Company's tax withholding requirements (based on the closing price of the Company's common stock on the release date) arising from the release of restrictions as permitted by the plan pursuant to which the restricted stock unit award was made.

Footnote F2

Of these shares, 4,735 shares are subject to restrictions on their sale or other transfer and to forfeiture under certain circumstances.