Form4insider filings, from the source

Company · CIK 0000874238 · SIC 1600 — Heavy Construction Other Than Bldg Const - Contractors · Nasdaq

STERLING INFRASTRUCTURE, INC. · STRL

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.2M · 1net −$2.2M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 GForm 4 →Sep 23, 4:12 pm EDTJoseph A CutilloChief Executive Officer, Director40,000——290,593—
Aug 6, 2026 FForm 4 →Aug 10, 4:54 pm EDTDaniel P. GovinChief Operating Officer (COO)6,559$536.08$3,516,14943,485—
Jul 10, 2026 FForm 4 →Jul 14, 4:03 pm EDTNicholas M GrindstaffChief Financial Officer (CFO)556$682.29$379,3536,037—
Jun 25, 2026 SForm 4 →Jun 29, 4:04 pm EDTMark D. WolfGeneral Counsel, Corporate Sec2,500$888.00$2,220,00028,137−8.16%
Jun 18, 2026 GForm 4 →Jun 22, 4:02 pm EDTJulie DillDirector325——17,709—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.