STRL insider trading

NasdaqGS Industrials

STERLING INFRASTRUCTURE, INC. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
289
Last 90 days
18
Buys / sells
3% / 21%
Market cap
$13.65B

About STERLING INFRASTRUCTURE, INC.

Sterling Infrastructure, Inc. engages in the provision of e-infrastructure, transportation, and building solutions in the United States. It operates through three segments: E-Infrastructure Solutions, Transportation Solutions, and Building Solutions. The E-Infrastructure Solutions segment provides site development services for the blue-chip end users in the e-commerce distribution center, data center, manufacturing, warehousing, and power generation sectors. The Transportation Solutions segment is involved in the development of infrastructure and rehabilitation projects for highways, roads, bridges, airports, ports, rail, and storm drainage systems for the departments of transportation, regional transit, airport, port, water, and railroads authorities. The Building Solutions segment provides residential and commercial concrete foundations for single-family and multi-family homes, parking structures, elevated slabs, other concrete work for developers and general contractors, as well as provides plumbing and surveys services for residential builds. The company was formerly known as Sterling Construction Company, Inc. and changed its name to Sterling Infrastructure, Inc. in June 2022. Sterling Infrastructure, Inc. was founded in 1955 and is headquartered in The Woodlands, Texas.

Company website: www.strlco.com

STRL insider activity at a glance

FilingIQ has scored 289 insider transactions for STRL since Nov 9, 2015. The most recent filing in our index is dated May 7, 2026.

Across the full history, 10 open-market purchases and 60 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on STRL insider trades is 63.5/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Latest STRL Form 4 filings

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

Other Industrials tickers with recent insider activity

13F funds holding STRL

Frequently asked

How many insider trades does FilingIQ track for STRL?
FilingIQ tracks 289 Form 4 insider transactions for STRL (STERLING INFRASTRUCTURE, INC.), covering filings from Nov 9, 2015 onwards. 18 of those were filed in the last 90 days.
Are STRL insiders net buyers or net sellers?
Across the full Form 4 history for STRL, 10 transactions (3%) were open-market purchases and 60 (21%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does STRL insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is STRL in?
STERLING INFRASTRUCTURE, INC. (STRL) is classified in the Industrials sector, specifically Engineering & Construction, with a current market capitalisation of $13.65B.

Methodology & sources

Every STRL insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.